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.
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.
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.
to visit Sulina runs from May to September, since it is the warmest and sunniest of the year.
. Here are the average temperatures.
January, the coldest month of the year, is generally a cold month. The average temperature is of
1.1 °C, with a minimum of
-1.3 °C and a maximum of
3.5 °C.

On the coldest nights of the month, the temperature usually drops to around
-10 °C. However, it dropped to
-19.9 °C in January 2006.

On the warmest days of the month, the temperature usually reaches around
9.5 °C. However, it reached
13.8 °C in January 2010.

Precipitation amounts to
15 mm, 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 of
25 kph.

The average sea temperature is of
6.9 °C. Therefore, the sea is very cold for swimming.
February is generally a cold month. The average temperature is of
2 °C, with a minimum of
-0.3 °C and a maximum of
4.2 °C.

On the coldest nights of the month, the temperature usually drops to around
-7.5 °C. However, it dropped to
-15.4 °C in February 2012.

On the warmest days of the month, the temperature usually reaches around
11 °C. However, it reached
17.9 °C in February 1995.

Precipitation amounts to
10 mm, 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 of
25 kph.

The average sea temperature is of
5.7 °C. Therefore, the sea is very cold for swimming.
March is generally a quite cold month. The average temperature is of
5.4 °C, with a minimum of
3.3 °C and a maximum of
7.6 °C.

On the coldest nights of the month, the temperature usually drops to around
-2.5 °C. However, it dropped to
-11.6 °C in March 2018.

On the warmest days of the month, the temperature usually reaches around
15.5 °C. However, it reached
19.5 °C in March 2004.

Precipitation amounts to
20 mm, 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 of
23 kph.

The average sea temperature is of
6.3 °C. Therefore, the sea is very cold for swimming.
April is generally a mild month. The average temperature is of
10.6 °C, with a minimum of
8.6 °C and a maximum of
12.7 °C.

On the coldest nights of the month, the temperature usually drops to around
4 °C. However, it dropped to
-0.1 °C in April 1997.

On the warmest days of the month, the temperature usually reaches around
19 °C. However, it reached
23.2 °C in April 2008.

Precipitation amounts to
15 mm, 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 of
21 kph.

The average sea temperature is of
9.3 °C. Therefore, the sea is very cold for swimming.
May is generally a very mild month. The average temperature is of
16.8 °C, with a minimum of
14.5 °C and a maximum of
19.1 °C.

On the coldest nights of the month, the temperature usually drops to around
9.5 °C. However, it dropped to
4.5 °C in May 1995.

On the warmest days of the month, the temperature usually reaches around
25.5 °C. However, it reached
29.3 °C in May 1993.

Precipitation amounts to
20 mm, 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 of
19 kph.

The average sea temperature is of
15.1 °C. Therefore, the sea is cold for swimming.
June is generally a warm month. The average temperature is of
21.4 °C, with a minimum of
18.8 °C and a maximum of
24 °C.

On the coldest nights of the month, the temperature usually drops to around
14 °C. However, it dropped to
10.2 °C in June 2014.

On the warmest days of the month, the temperature usually reaches around
29.5 °C. However, it reached
33.8 °C in June 2010.

Precipitation amounts to
30 mm, 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 of
18 kph.

The average sea temperature is of
20.5 °C. Therefore, the sea is cool for swimming.
July, the warmest month of the year, is generally a warm to hot, muggy month. The average temperature is of
23.8 °C, with a minimum of
20.9 °C and a maximum of
26.6 °C.

On the coldest nights of the month, the temperature usually drops to around
16.5 °C. However, it dropped to
11 °C in July 1998.

On the warmest days of the month, the temperature usually reaches around
30.5 °C. However, it reached
33.4 °C in July 1999.

Precipitation amounts to
20 mm, 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 of
17 kph.

The average sea temperature is of
23.5 °C. Therefore, the sea can be considered barely acceptable for swimming.
August is generally a warm to hot, muggy month. The average temperature is of
23.6 °C, with a minimum of
20.9 °C and a maximum of
26.4 °C.

On the coldest nights of the month, the temperature usually drops to around
15 °C. However, it dropped to
8.7 °C in August 2014.

On the warmest days of the month, the temperature usually reaches around
31 °C. However, it reached
34.4 °C in August 2010.

Precipitation amounts to
25 mm, 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 of
17 kph.

The average sea temperature is of
24.3 °C. Therefore, the sea is warm enough for swimming.
September is generally a warm month. The average temperature is of
19 °C, with a minimum of
16.5 °C and a maximum of
21.6 °C.

On the coldest nights of the month, the temperature usually drops to around
10.5 °C. However, it dropped to
6.8 °C in September 2018.

On the warmest days of the month, the temperature usually reaches around
26.5 °C. However, it reached
32.6 °C in September 2015.

Precipitation amounts to
20 mm, 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 of
18 kph.

The average sea temperature is of
21.2 °C. Therefore, the sea is cool for swimming.
October is generally a mild month. The average temperature is of
13.8 °C, with a minimum of
11.5 °C and a maximum of
16 °C.

On the coldest nights of the month, the temperature usually drops to around
4 °C. However, it dropped to
-0.7 °C in October 1991.

On the warmest days of the month, the temperature usually reaches around
22 °C. However, it reached
25.4 °C in October 2011.

Precipitation amounts to
25 mm, 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 of
21 kph.

The average sea temperature is of
16.9 °C. Therefore, the sea is cold for swimming.
November is generally a quite mild month. The average temperature is of
8.2 °C, with a minimum of
6.1 °C and a maximum of
10.4 °C.

On the coldest nights of the month, the temperature usually drops to around
-1.5 °C. However, it dropped to
-10.2 °C in November 1999.

On the warmest days of the month, the temperature usually reaches around
17 °C. However, it reached
22.2 °C in November 2010.

Precipitation amounts to
25 mm, 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 of
22 kph.

The average sea temperature is of
12.7 °C. Therefore, the sea is very cold for swimming.
December is generally a cold month. The average temperature is of
3.2 °C, with a minimum of
0.9 °C and a maximum of
5.6 °C.

On the coldest nights of the month, the temperature usually drops to around
-7 °C. However, it dropped to
-13.5 °C in December 2002.

On the warmest days of the month, the temperature usually reaches around
12 °C. However, it reached
16.6 °C in December 2008.

Precipitation amounts to
20 mm, 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 of
24 kph.

The average sea temperature is of
9.1 °C. Therefore, the sea is very cold for swimming.