Weather and climate in Vilsandi (Estonia)

The climate of Vilsandi is Baltic, that is, moderately continental, with cold winters, during which the average temperature is a few degrees below freezing, and mild summers.
The small Baltic Sea island is located in the west of Estonia, near the larger Saare island (Saaremaa), and is protected in a national park.
The climate is somewhat milder than in inland areas of Estonia. Anyway, the coldest record is -31.8 °C (-25.2 °F) and was set in January 1942. The highest record is 32.4 °C (90.3 °F) and was set in August 2014.

Vilsandi - Climate data

The average temperature of the coldest month (February) is of -1.5 °C (29.3 °F), that of the warmest month (July) is of 18.1 °C (64.5 °F). Here are the average temperatures.
Precipitation amounts to 580 millimeters (22.8 inches) per year: so, it is at an intermediate level. It ranges from 30 mm (1.2 in) in the driest months (February, April, May) to 75 mm (3 in) in the wettest one (August). Here is the average precipitation.
The sea temperature ranges from 1.5 °C (35 °F) in February, March to 17.5 °C (64 °F) in August. Here are the average sea temperatures.
There are on average around 2090 sunshine hours per year. Here are the average hours of sunshine per day.

Vilsandi - Weather by month

Based on the period 1991-2020

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January is generally a very cold month. The average temperature is of -0.4 °C (31 °F), with a minimum of -2.1 °C (28.2 °F) and a maximum of 1.4 °C (34.4 °F).
On the coldest nights of the month, the temperature usually drops to around -11 °C (12 °F). However, it dropped to -21.8 °C (-7.2 °F) in January 2003.
On the warmest days of the month, the temperature usually reaches around 5 °C (41.5 °F). However, it reached 8.1 °C (46.6 °F) in January 2007.
Precipitation amounts to 45 mm (1.8 in), distributed over 11 days.
The day lasts on average 7 hours and 10 minutes. So the days are short.
There is an average of 1 hour of sunshine per day. So, the sun shines 17% of the time.
The average sea temperature is of 3 °C (37.5 °F). Therefore, the sea is very cold for swimming.

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February, the coldest month of the year, is generally a very cold month. The average temperature is of -1.5 °C (29 °F), with a minimum of -3.4 °C (26 °F) and a maximum of 0.4 °C (32.7 °F).
On the coldest nights of the month, the temperature usually drops to around -11.5 °C (11.5 °F). However, it dropped to -20.4 °C (-4.7 °F) in February 1994.
On the warmest days of the month, the temperature usually reaches around 4 °C (39.5 °F). However, it reached 7.2 °C (45 °F) in February 1993.
Precipitation amounts to 30 mm (1.2 in), distributed over 9 days.
The day lasts on average 9 hours and 25 minutes.
There are on average 2.5 hours of sunshine per day. So, the sun shines 27% of the time.
The average sea temperature is of 1.5 °C (35 °F). Therefore, the sea is very cold for swimming.

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March is generally a cold month. The average temperature is of 0.6 °C (33 °F), with a minimum of -1.3 °C (29.6 °F) and a maximum of 2.6 °C (36.7 °F).
On the coldest nights, which normally occur at the beginning of the month, the temperature usually drops to around -7.5 °C (18.5 °F). However, it dropped to -15.2 °C (4.6 °F) in March 2018.
On the warmest days, which normally occur at the end of the month, the temperature usually reaches around 7.5 °C (46 °F). However, it reached 15 °C (59 °F) in March 2007.
Precipitation amounts to 35 mm (1.4 in), distributed over 8 days.
The day lasts on average 11 hours and 55 minutes.
There are on average 4.5 hours of sunshine per day. So, the sun shines 39% of the time.
The average sea temperature is of 1.5 °C (35 °F). Therefore, the sea is very cold for swimming.

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April is generally a quite cold month. The average temperature is of 5.0 °C (41 °F), with a minimum of 2.4 °C (36.3 °F) and a maximum of 7.6 °C (45.6 °F).
On the coldest nights, which normally occur at the beginning of the month, the temperature usually drops to around -2 °C (28 °F). However, it dropped to -7.5 °C (18.5 °F) in April 1998.
On the warmest days, which normally occur at the end of the month, the temperature usually reaches around 15.5 °C (60 °F). However, it reached 23.5 °C (74.3 °F) in April 2019.
Precipitation amounts to 30 mm (1.2 in), distributed over 6 days.
The day lasts on average 14 hours and 30 minutes.
There are on average 7.5 hours of sunshine per day. So, the sun shines 52% of the time.
The average sea temperature is of 3 °C (37.5 °F). Therefore, the sea is very cold for swimming.

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May is generally a mild month. The average temperature is of 9.9 °C (50 °F), with a minimum of 7 °C (44.5 °F) and a maximum of 12.8 °C (55 °F).
On the coldest nights, which normally occur at the beginning of the month, the temperature usually drops to around 2 °C (35.5 °F). However, it dropped to -1.2 °C (29.8 °F) in May 1999.
On the warmest days, which normally occur at the end of the month, the temperature usually reaches around 22.5 °C (72.5 °F). However, it reached 28.7 °C (83.7 °F) in May 2014.
Precipitation amounts to 30 mm (1.2 in), distributed over 6 days.
The day lasts on average 16 hours and 55 minutes. So the days are long.
There are on average 10.5 hours of sunshine per day. So, the sun shines 62% of the time.
The average sea temperature is of 6.5 °C (43.5 °F). Therefore, the sea is very cold for swimming.

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June is generally a mild month. The average temperature is of 14.4 °C (58 °F), with a minimum of 11.7 °C (53.1 °F) and a maximum of 17.1 °C (62.8 °F).
On the coldest nights, which normally occur at the beginning of the month, the temperature usually drops to around 7.5 °C (45 °F). However, it dropped to 4.8 °C (40.6 °F) in June 2004.
On the warmest days, which normally occur at the end of the month, the temperature usually reaches around 24 °C (75.5 °F). However, it reached 29.7 °C (85.5 °F) in June 2019.
Precipitation amounts to 45 mm (1.8 in), distributed over 7 days.
The day lasts on average 18 hours and 10 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 10.5 hours of sunshine per day. So, the sun shines 59% of the time.
The average sea temperature is of 11.5 °C (53 °F). Therefore, the sea is very cold for swimming.

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July, the warmest month of the year, is generally a warm month. The average temperature is of 18.1 °C (64 °F), with a minimum of 15.4 °C (59.6 °F) and a maximum of 20.8 °C (69.4 °F).
On the coldest nights of the month, the temperature usually drops to around 11.5 °C (52.5 °F). However, it dropped to 8.3 °C (46.9 °F) in July 1995.
On the warmest days of the month, the temperature usually reaches around 27 °C (81 °F). However, it reached 32.1 °C (89.8 °F) in July 2010.
Precipitation amounts to 50 mm (2 in), distributed over 7 days.
The day lasts on average 17 hours and 25 minutes. So the days are very long.
There are on average 11 hours of sunshine per day. So, the sun shines 62% of the time.
The average sea temperature is of 16.5 °C (62 °F). Therefore, the sea is cold for swimming.

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August is generally a very mild month. The average temperature is of 17.9 °C (64 °F), with a minimum of 15.3 °C (59.5 °F) and a maximum of 20.6 °C (69 °F).
On the coldest nights of the month, the temperature usually drops to around 11 °C (51.5 °F). However, it dropped to 8.6 °C (47.5 °F) in August 2007.
On the warmest days of the month, the temperature usually reaches around 26 °C (78.5 °F). However, it reached 32.4 °C (90.3 °F) in August 2014.
Precipitation amounts to 75 mm (3 in), distributed over 10 days.
The day lasts on average 15 hours and 10 minutes. So the days are long.
There are on average 9 hours of sunshine per day. So, the sun shines 59% of the time.
The average sea temperature is of 17.5 °C (64 °F). Therefore, the sea is cold for swimming.

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September is generally a mild month. The average temperature is of 13.9 °C (57 °F), with a minimum of 11.7 °C (53 °F) and a maximum of 16.1 °C (61 °F).
On the coldest nights, which normally occur at the end of the month, the temperature usually drops to around 6 °C (42.5 °F). However, it dropped to 0.4 °C (32.7 °F) in September 1993.
On the warmest days, which normally occur at the beginning of the month, the temperature usually reaches around 21 °C (70 °F). However, it reached 24.9 °C (76.8 °F) in September 2019.
Precipitation amounts to 60 mm (2.4 in), distributed over 10 days.
The day lasts on average 12 hours and 40 minutes.
There are on average 6 hours of sunshine per day. So, the sun shines 47% of the time.
The average sea temperature is of 15 °C (59 °F). Therefore, the sea is cold for swimming.

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October is generally a mild month. The average temperature is of 8.6 °C (47 °F), with a minimum of 6.7 °C (44.1 °F) and a maximum of 10.4 °C (50.8 °F).
On the coldest nights, which normally occur at the end of the month, the temperature usually drops to around 0.5 °C (33 °F). However, it dropped to -4.2 °C (24.4 °F) in October 1992.
On the warmest days, which normally occur at the beginning of the month, the temperature usually reaches around 15 °C (59 °F). However, it reached 18.6 °C (65.5 °F) in October 2020.
Precipitation amounts to 65 mm (2.6 in), distributed over 12 days.
The day lasts on average 10 hours and 10 minutes.
There are on average 3.5 hours of sunshine per day. So, the sun shines 32% of the time.
The average sea temperature is of 11 °C (52 °F). Therefore, the sea is very cold for swimming.

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November is generally a quite cold month. The average temperature is of 4.4 °C (40 °F), with a minimum of 2.8 °C (37.1 °F) and a maximum of 6 °C (42.9 °F).
On the coldest nights, which normally occur at the end of the month, the temperature usually drops to around -3.5 °C (25.5 °F). However, it dropped to -10.8 °C (12.6 °F) in November 2010.
On the warmest days, which normally occur at the beginning of the month, the temperature usually reaches around 10 °C (50 °F). However, it reached 13.1 °C (55.6 °F) in November 2020.
Precipitation amounts to 60 mm (2.4 in), distributed over 12 days.
The day lasts on average 7 hours and 50 minutes. So the days are short.
There are on average 1.5 hours of sunshine per day. So, the sun shines 18% of the time.
The average sea temperature is of 8 °C (46 °F). Therefore, the sea is very cold for swimming.

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December is generally a cold month. The average temperature is of 1.7 °C (35 °F), with a minimum of 0.1 °C (32.2 °F) and a maximum of 3.3 °C (38 °F).
On the coldest nights of the month, the temperature usually drops to around -6.5 °C (20.5 °F). However, it dropped to -15.9 °C (3.4 °F) in December 1996.
On the warmest days of the month, the temperature usually reaches around 7 °C (44 °F). However, it reached 10.2 °C (50.4 °F) in December 2006.
Precipitation amounts to 55 mm (2.2 in), distributed over 13 days.
The day lasts on average 6 hours and 30 minutes. So the days are short. December 21, the winter solstice, is the shortest day of the year in the Northern Hemisphere.
There is an average of 1 hour of sunshine per day. So, the sun shines 12% of the time.
The average sea temperature is of 5 °C (41 °F). Therefore, the sea is very cold for swimming.