Climate - Tallinn (Estonia)
Average weather, temperature, rainfall, sunshine hours
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Climate chart - Tallinn (Estonia)
The climate of Tallinn is Baltic, that is, moderately continental, with cold winters, during which the average temperature is a few degrees below freezing, and mild to pleasantly warm summers.
The city is the capital of Estonia and is located in the north of the country, on the coast of the Gulf of Finland.
The presence of the sea slightly mitigates the climate compared to inland areas of Estonia, although it must be said that in winter, the Gulf of Finland can freeze.
In winter, snowfalls are quite frequent, though generally not abundant.
Cold spells from Russia, which were once more frequent, can be intense. The cold record is -32 °C (-25.5 °F), recorded in December 1978.
In summer, there can be hot days, with temperatures above 30 °C (86 °F). The highest record is 34.3 °C (93.7 °F) and was set in July 1994.
Given the latitude (59°26'N), the white nights, in which the sun sets but it does not get completely dark even at midnight, occur from May 14 to July 29.
Tallinn - Climate data
The average temperature of the coldest month (February) is of -3.6 °C (25.6 °F), that of the warmest month (July) is of 17.7 °C (63.8 °F). Here are the average temperatures.Tallinn - Average temperatures (1991-2020) | Month | Min (°C) | Max (°C) | Mean (°C) | Min (°F) | Max (°F) | Mean (°F) |
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| January | -5.5 | -0.7 | -3.1 | 22 | 31 | 26.4 |
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| February | -6.2 | -1 | -3.6 | 21 | 30 | 25.6 |
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| March | -3.7 | 2.8 | -0.5 | 25 | 37 | 31.2 |
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| April | 0.7 | 9.5 | 5.1 | 33 | 49 | 41.2 |
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| May | 5.2 | 15.4 | 10.3 | 41 | 60 | 50.5 |
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| June | 9.8 | 19.2 | 14.5 | 50 | 67 | 58.1 |
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| July | 13.1 | 22.2 | 17.7 | 56 | 72 | 63.8 |
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| August | 12.3 | 21 | 16.6 | 54 | 70 | 61.9 |
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| September | 8.4 | 16.1 | 12.2 | 47 | 61 | 54 |
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| October | 3.7 | 9.5 | 6.6 | 39 | 49 | 43.9 |
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| November | -0.2 | 4.1 | 2 | 32 | 39 | 35.5 |
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| December | -3.1 | 1.2 | -1 | 26 | 34 | 30.3 |
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| Year | 2.9 | 10 | 6.45 | 37.3 | 50 | 43.5 |
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Precipitation amounts to 695 millimeters (27.4 inches) per year: so, it is at an intermediate level. It ranges from 35 mm (1.4 in) in the driest months (February, March, April) to 85 mm (3.3 in) in the wettest one (August). Here is the average precipitation.Tallinn - Average precipitation| Month | Millimeters | Inches | Days |
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| January | 55 | 2.2 | 13 |
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| February | 35 | 1.4 | 10 |
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| March | 35 | 1.4 | 9 |
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| April | 35 | 1.4 | 7 |
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| May | 40 | 1.6 | 7 |
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| June | 65 | 2.6 | 10 |
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| July | 80 | 3.1 | 9 |
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| August | 85 | 3.3 | 10 |
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| September | 60 | 2.4 | 10 |
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| October | 75 | 3 | 13 |
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| November | 65 | 2.6 | 12 |
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| December | 60 | 2.4 | 14 |
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| Year | 695 | 27.4 | 125 |
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The sea temperature ranges from 0.5 °C (33 °F) in February to 17.5 °C (64 °F) in August. Here are the average sea temperatures.Tallinn - Sea temperature| Month | Celsius (°C) | Fahrenheit (°F) |
|---|
January | 2 | 35 | February | 0.5 | 33 | March | 1 | 33 | April | 2 | 36 | May | 5.5 | 42 | June | 11 | 52 | July | 16 | 61 | August | 17.5 | 64 | September | 14.5 | 58 | October | 10.5 | 51 | November | 7 | 44 | December | 3.5 | 39 | Year | 7.7 | 45.8 |
There are on average around 1825 sunshine hours per year. Here are the average hours of sunshine per day.
Tallinn - Sunshine hours| Month | Average | Total |
|---|
January | 1 | 25 | February | 2 | 55 | March | 4 | 130 | April | 7 | 205 | May | 9.5 | 295 | June | 9.5 | 285 | July | 10 | 305 | August | 8 | 240 | September | 5 | 150 | October | 3 | 85 | November | 1 | 30 | December | 0.5 | 20 | Year | 5 | 1825 |
Tallinn - Weather by month
Based on the period 1991-2020
January is generally a very cold month. The average temperature is of -3.1 °C (26 °F), with a minimum of -5.5 °C (22.1 °F) and a maximum of -0.7 °C (30.7 °F).
On the coldest nights of the month, the temperature usually drops to around -17 °C (1.5 °F). However, it dropped to -29.4 °C (-20.9 °F) in January 2003.
On the warmest days of the month, the temperature usually reaches around 5 °C (41 °F). However, it reached 9.2 °C (48.6 °F) in January 2007.
Precipitation amounts to 55 mm (2.2 in), distributed over 13 days.
The day lasts on average 7 hours and 0 minutes. So the days are short.
There is an average of 1 hour of sunshine per day. So, the sun shines 12% of the time.
The average humidity is 87%. Hence, the air is normally humid.
The average wind speed is 17 kph (11 mph).
The average sea temperature is of 2 °C (35.5 °F). Therefore, the sea is very cold for swimming.
February, the coldest month of the year, is generally a very cold month. The average temperature is of -3.6 °C (26 °F), with a minimum of -6.2 °C (20.9 °F) and a maximum of -1 °C (30.3 °F).
On the coldest nights of the month, the temperature usually drops to around -16.5 °C (2.5 °F). However, it dropped to -27.3 °C (-17.1 °F) in February 2012.
On the warmest days of the month, the temperature usually reaches around 5 °C (40.5 °F). However, it reached 8.7 °C (47.7 °F) in February 2019.
Precipitation amounts to 35 mm (1.4 in), distributed over 10 days.
The day lasts on average 9 hours and 20 minutes.
There are on average 2 hours of sunshine per day. So, the sun shines 21% of the time.
The average humidity is 85%. Hence, the air is normally humid.
The average wind speed is 17 kph (11 mph).
The average sea temperature is of 0.5 °C (33.5 °F). Therefore, the sea is very cold for swimming.
March is generally a very cold month. The average temperature is of -0.5 °C (31 °F), with a minimum of -3.7 °C (25.3 °F) and a maximum of 2.8 °C (37.1 °F).
On the coldest nights, which normally occur at the beginning of the month, the temperature usually drops to around -12.5 °C (9.5 °F). However, it dropped to -21.2 °C (-6.2 °F) in March 2013.
On the warmest days, which normally occur at the end of the month, the temperature usually reaches around 10 °C (50 °F). However, it reached 15.9 °C (60.6 °F) in March 2007.
Precipitation amounts to 35 mm (1.4 in), distributed over 9 days.
The day lasts on average 11 hours and 55 minutes.
There are on average 4 hours of sunshine per day. So, the sun shines 35% of the time.
The average humidity is 82%. Hence, the air is normally humid.
The average wind speed is 17 kph (11 mph).
The average sea temperature is of 1 °C (33.5 °F). Therefore, the sea is very cold for swimming.
April is generally a quite cold month. The average temperature is of 5.1 °C (41 °F), with a minimum of 0.7 °C (33.3 °F) and a maximum of 9.5 °C (49.1 °F).
On the coldest nights, which normally occur at the beginning of the month, the temperature usually drops to around -5.5 °C (22.5 °F). However, it dropped to -12 °C (10.4 °F) in April 1998.
On the warmest days, which normally occur at the end of the month, the temperature usually reaches around 19.5 °C (66.5 °F). However, it reached 27.2 °C (81 °F) in April 2000.
Precipitation amounts to 35 mm (1.4 in), distributed over 7 days.
The day lasts on average 14 hours and 35 minutes.
There are on average 7 hours of sunshine per day. So, the sun shines 46% of the time.
The average humidity is 76%. Hence, the air is normally humid.
The average wind speed is 14 kph (9 mph).
The average sea temperature is of 2 °C (36 °F). Therefore, the sea is very cold for swimming.
May is generally a mild month. The average temperature is of 10.3 °C (51 °F), with a minimum of 5.2 °C (41.3 °F) and a maximum of 15.4 °C (59.7 °F).
On the coldest nights, which normally occur at the beginning of the month, the temperature usually drops to around -1.5 °C (29.5 °F). However, it dropped to -5 °C (23 °F) in May 1999.
On the warmest days, which normally occur at the end of the month, the temperature usually reaches around 24.5 °C (76.5 °F). However, it reached 31.4 °C (88.5 °F) in May 2014.
Precipitation amounts to 40 mm (1.6 in), distributed over 7 days.
The day lasts on average 17 hours and 5 minutes. So the days are very long.
There are on average 9.5 hours of sunshine per day. So, the sun shines 55% of the time.
The average humidity is 70%.
The average wind speed is 14 kph (9 mph).
The average sea temperature is of 5.5 °C (42 °F). Therefore, the sea is very cold for swimming.
June is generally a mild month. The average temperature is of 14.5 °C (58 °F), with a minimum of 9.8 °C (49.6 °F) and a maximum of 19.2 °C (66.6 °F).
On the coldest nights, which normally occur at the beginning of the month, the temperature usually drops to around 4 °C (39 °F). However, it dropped to 0 °C (32 °F) in June 2009.
On the warmest days, which normally occur at the end of the month, the temperature usually reaches around 26 °C (79 °F). However, it reached 31.1 °C (88 °F) in June 2019.
Precipitation amounts to 65 mm (2.6 in), distributed over 10 days.
The day lasts on average 18 hours and 30 minutes. So the days are very long. June 21, the summer solstice, is the longest day of the year in the Northern Hemisphere.
There are on average 9.5 hours of sunshine per day. So, the sun shines 51% of the time.
The average humidity is 71%. Hence, the air is normally humid.
The average wind speed is 14 kph (9 mph).
The average sea temperature is of 11 °C (51.5 °F). Therefore, the sea is very cold for swimming.
July, the warmest month of the year, is generally a very mild month. The average temperature is of 17.7 °C (64 °F), with a minimum of 13.1 °C (55.6 °F) and a maximum of 22.2 °C (72 °F).
On the coldest nights of the month, the temperature usually drops to around 8 °C (46.5 °F). However, it dropped to 4 °C (39.2 °F) in July 1996.
On the warmest days of the month, the temperature usually reaches around 29 °C (84 °F). However, it reached 34.3 °C (93.7 °F) in July 1994.
Precipitation amounts to 80 mm (3.1 in), distributed over 9 days.
The day lasts on average 17 hours and 40 minutes. So the days are very long.
There are on average 10 hours of sunshine per day. So, the sun shines 56% of the time.
The average humidity is 76%. Hence, the air is normally humid.
The average wind speed is 14 kph (9 mph).
The average sea temperature is of 16 °C (61 °F). Therefore, the sea is cold for swimming.
August is generally a very mild month. The average temperature is of 16.6 °C (62 °F), with a minimum of 12.3 °C (54.1 °F) and a maximum of 21 °C (69.8 °F).
On the coldest nights of the month, the temperature usually drops to around 6 °C (43 °F). However, it dropped to 3.2 °C (37.8 °F) in August 2010.
On the warmest days of the month, the temperature usually reaches around 27.5 °C (81.5 °F). However, it reached 34.2 °C (93.6 °F) in August 1992.
Precipitation amounts to 85 mm (3.3 in), distributed over 10 days.
The day lasts on average 15 hours and 25 minutes. So the days are long.
There are on average 8 hours of sunshine per day. So, the sun shines 50% of the time.
The average humidity is 80%. Hence, the air is normally humid.
The average wind speed is 14 kph (9 mph).
The average sea temperature is of 17.5 °C (63.5 °F). Therefore, the sea is cold for swimming.
September is generally a mild month. The average temperature is of 12.2 °C (54 °F), with a minimum of 8.4 °C (47.2 °F) and a maximum of 16.1 °C (60.9 °F).
On the coldest nights, which normally occur at the end of the month, the temperature usually drops to around 2 °C (35 °F). However, it dropped to -4.1 °C (24.6 °F) in September 1993.
On the warmest days, which normally occur at the beginning of the month, the temperature usually reaches around 22.5 °C (72.5 °F). However, it reached 28 °C (82.4 °F) in September 1992.
Precipitation amounts to 60 mm (2.4 in), distributed over 10 days.
The day lasts on average 12 hours and 50 minutes.
There are on average 5 hours of sunshine per day. So, the sun shines 39% of the time.
The average humidity is 83%. Hence, the air is normally humid.
The average wind speed is 14 kph (9 mph).
The average sea temperature is of 14.5 °C (58.5 °F). Therefore, the sea is very cold for swimming.
October is generally a quite mild month. The average temperature is of 6.6 °C (44 °F), with a minimum of 3.7 °C (38.7 °F) and a maximum of 9.5 °C (49.1 °F).
On the coldest nights, which normally occur at the end of the month, the temperature usually drops to around -4 °C (25.5 °F). However, it dropped to -10.5 °C (13.1 °F) in October 2002.
On the warmest days, which normally occur at the beginning of the month, the temperature usually reaches around 15.5 °C (60 °F). However, it reached 20 °C (68 °F) in October 2000.
Precipitation amounts to 75 mm (3 in), distributed over 13 days.
The day lasts on average 10 hours and 5 minutes.
There are on average 3 hours of sunshine per day. So, the sun shines 28% of the time.
The average humidity is 84%. Hence, the air is normally humid.
The average wind speed is 17 kph (11 mph).
The average sea temperature is of 10.5 °C (51 °F). Therefore, the sea is very cold for swimming.
November is generally a cold month. The average temperature is of 2.0 °C (36 °F), with a minimum of -0.2 °C (31.7 °F) and a maximum of 4.1 °C (39.3 °F).
On the coldest nights, which normally occur at the end of the month, the temperature usually drops to around -8 °C (18 °F). However, it dropped to -18.8 °C (-1.8 °F) in November 1993.
On the warmest days, which normally occur at the beginning of the month, the temperature usually reaches around 10 °C (49.5 °F). However, it reached 13.7 °C (56.7 °F) in November 2015.
Precipitation amounts to 65 mm (2.6 in), distributed over 12 days.
The day lasts on average 7 hours and 35 minutes. So the days are short.
There is an average of 1 hour of sunshine per day. So, the sun shines 13% of the time.
The average humidity is 88%. Hence, the air is normally humid.
The average wind speed is 17 kph (11 mph).
The average sea temperature is of 7 °C (44.5 °F). Therefore, the sea is very cold for swimming.
December is generally a very cold month. The average temperature is of -1.0 °C (30 °F), with a minimum of -3.1 °C (26.4 °F) and a maximum of 1.2 °C (34.1 °F).
On the coldest nights of the month, the temperature usually drops to around -12.5 °C (10 °F). However, it dropped to -24.3 °C (-11.7 °F) in December 2002.
On the warmest days of the month, the temperature usually reaches around 6.5 °C (43.5 °F). However, it reached 11.6 °C (52.9 °F) in December 2015.
Precipitation amounts to 60 mm (2.4 in), distributed over 14 days.
The day lasts on average 6 hours and 10 minutes. So the days are short. December 21, the winter solstice, is the shortest day of the year in the Northern Hemisphere.
There are on average 0.5 hours of sunshine per day. So, the sun shines 10% of the time.
The average humidity is 88%. Hence, the air is normally humid.
The average wind speed is 17 kph (11 mph).
The average sea temperature is of 3.5 °C (38.5 °F). Therefore, the sea is very cold for swimming.
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