Climate in Sulina (Romania)

The climate of Sulina is slightly continental, with cold winters and hot summers.
The city is located in the far east of Romania, on the Black Sea coast and in the Danube delta area, where there is a mild and arid microclimate, though windy. We are in the sunniest area of Romania.
The climate is milder than in other cities in Romania, however, the winter is cold, because the Black Sea is not very large, and in winter it cools down a lot under the influence of cold air masses from Russia. During the coldest winters, the sea can even freeze.
In these situations, there is a delay in the spring warming, so it is still cold in March, but sometimes even in April.
On the coldest nights of the year, the temperature typically drops below -10 °C (14 °F). The record is -20 °C (-4 °F), recorded in January 2006.
The summer is warm and sunny, with rare rain.
In the Danube delta, it rarely gets hot, even though, on the other hand, the humidity is high. The record heat is only 34.5 °C (94 °F), recorded in August 2010.

Best Time

The best time to visit Sulina runs from May to September, since it is the warmest and sunniest of the year.

Sulina - Climate data

In Sulina, the average temperature of the coldest month (January) is of 1.1 °C (34 °F), that of the warmest month (July) is of 23.8 °C (74.8 °F). Here are the average temperatures.
Precipitation amounts to 245 millimeters (9.6 inches) per year: it is therefore scarce. It ranges from 10 mm (0.4 in) in the driest month (February) to 30 mm (1.2 in) in the wettest one (June). Here is the average precipitation.
The sea temperature ranges from 5.5 °C (42 °F) in February to
There are on average around 2430 sunshine hours per year. Here are the average hours of sunshine per day.

Sulina - Weather by month

Based on the period 1991-2020

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January, the coldest month of the year, is generally a cold month. The average temperature is of 1.1 °C (34 °F), with a minimum of -1.3 °C (29.7 °F) and a maximum of 3.5 °C (38.3 °F).
On the coldest nights of the month, the temperature usually drops to around -10 °C (14 °F). However, it dropped to -19.9 °C (-3.8 °F) in January 2006.
On the warmest days of the month, the temperature usually reaches around 9.5 °C (49.5 °F). However, it reached 13.8 °C (56.8 °F) in January 2010.
Precipitation amounts to 15 mm (0.6 in), distributed over 4 days.
The day lasts on average 9 hours and 10 minutes.
There are on average 2.5 hours of sunshine per day. So, the sun shines 30% of the time.
The average humidity is 89%. Hence, the air is normally humid.
The average wind speed is 25 kph (16 mph).
The average sea temperature is of 7 °C (44.5 °F). Therefore, the sea is very cold for swimming.

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February is generally a cold month. The average temperature is of 2 °C (36 °F), with a minimum of -0.3 °C (31.5 °F) and a maximum of 4.2 °C (39.6 °F).
On the coldest nights of the month, the temperature usually drops to around -7.5 °C (18 °F). However, it dropped to -15.4 °C (4.3 °F) in February 2012.
On the warmest days of the month, the temperature usually reaches around 11 °C (51.5 °F). However, it reached 17.9 °C (64.2 °F) in February 1995.
Precipitation amounts to 10 mm (0.4 in), distributed over 3 days.
The day lasts on average 10 hours and 25 minutes.
There are on average 3.5 hours of sunshine per day. So, the sun shines 34% of the time.
The average humidity is 87%. Hence, the air is normally humid.
The average wind speed is 25 kph (16 mph).
The average sea temperature is of 5.5 °C (42.5 °F). Therefore, the sea is very cold for swimming.

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March is generally a quite cold month. The average temperature is of 5.4 °C (42 °F), with a minimum of 3.3 °C (37.9 °F) and a maximum of 7.6 °C (45.7 °F).
On the coldest nights, which normally occur at the beginning of the month, the temperature usually drops to around -2.5 °C (27.5 °F). However, it dropped to -11.6 °C (11.1 °F) in March 2018.
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 19.5 °C (67.1 °F) in March 2004.
Precipitation amounts to 20 mm (0.8 in), distributed over 4 days.
The day lasts on average 12 hours and 0 minutes.
There are on average 5 hours of sunshine per day. So, the sun shines 42% of the time.
The average humidity is 85%. Hence, the air is normally humid.
The average wind speed is 23 kph (14 mph).
The average sea temperature is of 6.5 °C (43.5 °F). Therefore, the sea is very cold for swimming.

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April is generally a mild month. The average temperature is of 10.6 °C (51 °F), with a minimum of 8.6 °C (47.5 °F) and a maximum of 12.7 °C (54.9 °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 -0.1 °C (31.8 °F) in April 1997.
On the warmest days, which normally occur at the end of the month, the temperature usually reaches around 19 °C (66 °F). However, it reached 23.2 °C (73.8 °F) in April 2008.
Precipitation amounts to 15 mm (0.6 in), distributed over 4 days.
The day lasts on average 13 hours and 35 minutes.
There are on average 7.5 hours of sunshine per day. So, the sun shines 55% of the time.
The average humidity is 80%. Hence, the air is normally humid.
The average wind speed is 21 kph (13 mph).
The average sea temperature is of 9.5 °C (48.5 °F). Therefore, the sea is very cold for swimming.

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May is generally a very mild month. The average temperature is of 16.8 °C (62 °F), with a minimum of 14.5 °C (58.1 °F) and a maximum of 19.1 °C (66.4 °F).
On the coldest nights, which normally occur at the beginning of the month, the temperature usually drops to around 9.5 °C (49 °F). However, it dropped to 4.5 °C (40.1 °F) in May 1995.
On the warmest days, which normally occur at the end of the month, the temperature usually reaches around 25.5 °C (77.5 °F). However, it reached 29.3 °C (84.7 °F) in May 1993.
Precipitation amounts to 20 mm (0.8 in), distributed over 4 days.
The day lasts on average 14 hours and 55 minutes. So the days are long.
There are on average 10 hours of sunshine per day. So, the sun shines 66% of the time.
The average humidity is 78%. Hence, the air is normally humid.
The average wind speed is 19 kph (12 mph).
The average sea temperature is of 15 °C (59 °F). Therefore, the sea is cold for swimming.

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June is generally a warm month. The average temperature is of 21.4 °C (71 °F), with a minimum of 18.8 °C (65.8 °F) and a maximum of 24 °C (75.2 °F).
On the coldest nights, which normally occur at the beginning of the month, the temperature usually drops to around 14 °C (57 °F). However, it dropped to 10.2 °C (50.4 °F) in June 2014.
On the warmest days, which normally occur at the end of the month, the temperature usually reaches around 29.5 °C (85 °F). However, it reached 33.8 °C (92.8 °F) in June 2010.
Precipitation amounts to 30 mm (1.2 in), distributed over 4 days.
The day lasts on average 15 hours and 35 minutes. So the days are long. June 21, the summer solstice, is the longest day of the year in the Northern Hemisphere.
There are on average 11 hours of sunshine per day. So, the sun shines 71% of the time.
The average humidity is 76%. Hence, the air is normally humid.
The average wind speed is 18 kph (11 mph).
The average sea temperature is of 20.5 °C (69 °F). Therefore, the sea is cool for swimming.

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July, the warmest month of the year, is generally a warm to hot, muggy month. The average temperature is of 23.8 °C (75 °F), with a minimum of 20.9 °C (69.6 °F) and a maximum of 26.6 °C (79.9 °F).
On the coldest nights of the month, the temperature usually drops to around 16.5 °C (61.5 °F). However, it dropped to 11 °C (51.8 °F) in July 1998.
On the warmest days of the month, the temperature usually reaches around 30.5 °C (87.5 °F). However, it reached 33.4 °C (92.1 °F) in July 1999.
Precipitation amounts to 20 mm (0.8 in), distributed over 3 days.
The day lasts on average 15 hours and 10 minutes. So the days are long.
There are on average 11 hours of sunshine per day. So, the sun shines 74% of the time.
The average humidity is 75%. Hence, the air is normally humid.
The average wind speed is 17 kph (11 mph).
The average sea temperature is of 23.5 °C (74.5 °F). Therefore, the sea can be considered barely acceptable for swimming.

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August is generally a warm to hot, muggy month. The average temperature is of 23.6 °C (75 °F), with a minimum of 20.9 °C (69.6 °F) and a maximum of 26.4 °C (79.5 °F).
On the coldest nights of the month, the temperature usually drops to around 15 °C (59.5 °F). However, it dropped to 8.7 °C (47.7 °F) in August 2014.
On the warmest days of the month, the temperature usually reaches around 31 °C (87.5 °F). However, it reached 34.4 °C (93.9 °F) in August 2010.
Precipitation amounts to 25 mm (1 in), distributed over 2 days.
The day lasts on average 14 hours and 0 minutes.
There are on average 10.5 hours of sunshine per day. So, the sun shines 76% of the time.
The average humidity is 75%. Hence, the air is normally humid.
The average wind speed is 17 kph (11 mph).
The average sea temperature is of 24.5 °C (75.5 °F). Therefore, the sea is warm enough for swimming.

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September is generally a warm month. The average temperature is of 19 °C (66 °F), with a minimum of 16.5 °C (61.7 °F) and a maximum of 21.6 °C (70.9 °F).
On the coldest nights, which normally occur at the end of the month, the temperature usually drops to around 10.5 °C (51 °F). However, it dropped to 6.8 °C (44.2 °F) in September 2018.
On the warmest days, which normally occur at the beginning of the month, the temperature usually reaches around 26.5 °C (80 °F). However, it reached 32.6 °C (90.7 °F) in September 2015.
Precipitation amounts to 20 mm (0.8 in), distributed over 3 days.
The day lasts on average 12 hours and 30 minutes.
There are on average 7.5 hours of sunshine per day. So, the sun shines 59% of the time.
The average humidity is 78%. Hence, the air is normally humid.
The average wind speed is 18 kph (11 mph).
The average sea temperature is of 21 °C (70 °F). Therefore, the sea is cool for swimming.

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October is generally a mild month. The average temperature is of 13.8 °C (57 °F), with a minimum of 11.5 °C (52.7 °F) and a maximum of 16 °C (60.8 °F).
On the coldest nights, which normally occur at the end of the month, the temperature usually drops to around 4 °C (39 °F). However, it dropped to -0.7 °C (30.7 °F) in October 1991.
On the warmest days, which normally occur at the beginning of the month, the temperature usually reaches around 22 °C (72 °F). However, it reached 25.4 °C (77.7 °F) in October 2011.
Precipitation amounts to 25 mm (1 in), distributed over 3 days.
The day lasts on average 10 hours and 55 minutes.
There are on average 5.5 hours of sunshine per day. So, the sun shines 48% of the time.
The average humidity is 81%. Hence, the air is normally humid.
The average wind speed is 21 kph (13 mph).
The average sea temperature is of 17 °C (62.5 °F). Therefore, the sea is cold for swimming.

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November is generally a quite mild month. The average temperature is of 8.2 °C (47 °F), with a minimum of 6.1 °C (43 °F) and a maximum of 10.4 °C (50.7 °F).
On the coldest nights, which normally occur at the end of the month, the temperature usually drops to around -1.5 °C (29.5 °F). However, it dropped to -10.2 °C (13.6 °F) in November 1999.
On the warmest days, which normally occur at the beginning of the month, the temperature usually reaches around 17 °C (62 °F). However, it reached 22.2 °C (72 °F) in November 2010.
Precipitation amounts to 25 mm (1 in), distributed over 4 days.
The day lasts on average 9 hours and 30 minutes.
There are on average 3.5 hours of sunshine per day. So, the sun shines 35% of the time.
The average humidity is 87%. Hence, the air is normally humid.
The average wind speed is 22 kph (14 mph).
The average sea temperature is of 12.5 °C (55 °F). Therefore, the sea is very cold for swimming.

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December is generally a cold month. The average temperature is of 3.2 °C (38 °F), with a minimum of 0.9 °C (33.6 °F) and a maximum of 5.6 °C (42.1 °F).
On the coldest nights of the month, the temperature usually drops to around -7 °C (20 °F). However, it dropped to -13.5 °C (7.7 °F) in December 2002.
On the warmest days of the month, the temperature usually reaches around 12 °C (53.5 °F). However, it reached 16.6 °C (61.9 °F) in December 2008.
Precipitation amounts to 20 mm (0.8 in), distributed over 4 days.
The day lasts on average 8 hours and 50 minutes. December 21, the winter solstice, is the shortest day of the year in the Northern Hemisphere.
There are on average 2 hours of sunshine per day. So, the sun shines 24% of the time.
The average humidity is 88%. Hence, the air is normally humid.
The average wind speed is 24 kph (15 mph).
The average sea temperature is of 9 °C (48.5 °F). Therefore, the sea is very cold for swimming.