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.
. Here are the average temperatures.
January is generally a very cold month. The average temperature is of
-0.4 °C, with a minimum of
-2.1 °C and a maximum of
1.4 °C.
On the coldest nights of the month, the temperature usually drops to around
-11 °C. However, it dropped to
-21.8 °C in January 2003.
On the warmest days of the month, the temperature usually reaches around
5 °C. However, it reached
8.1 °C in January 2007.
Precipitation amounts to
45 mm, 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
3.1 °C. 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
-1.5 °C, with a minimum of
-3.4 °C and a maximum of
0.4 °C.
On the coldest nights of the month, the temperature usually drops to around
-11.5 °C. However, it dropped to
-20.4 °C in February 1994.
On the warmest days of the month, the temperature usually reaches around
4 °C. However, it reached
7.2 °C in February 1993.
Precipitation amounts to
30 mm, 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
1.7 °C. Therefore, the sea is very cold for swimming.
March is generally a cold month. The average temperature is of
0.6 °C, with a minimum of
-1.3 °C and a maximum of
2.6 °C.
On the coldest nights of the month, the temperature usually drops to around
-7.5 °C. However, it dropped to
-15.2 °C in March 2018.
On the warmest days of the month, the temperature usually reaches around
7.5 °C. However, it reached
15 °C in March 2007.
Precipitation amounts to
35 mm, 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
1.6 °C. Therefore, the sea is very cold for swimming.
April is generally a quite cold month. The average temperature is of
5 °C, with a minimum of
2.4 °C and a maximum of
7.6 °C.
On the coldest nights of the month, the temperature usually drops to around
-2 °C. However, it dropped to
-7.5 °C in April 1998.
On the warmest days of the month, the temperature usually reaches around
15.5 °C. However, it reached
23.5 °C in April 2019.
Precipitation amounts to
30 mm, 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. Therefore, the sea is very cold for swimming.
May is generally a mild month. The average temperature is of
9.9 °C, with a minimum of
7 °C and a maximum of
12.8 °C.
On the coldest nights of the month, the temperature usually drops to around
2 °C. However, it dropped to
-1.2 °C in May 1999.
On the warmest days of the month, the temperature usually reaches around
22.5 °C. However, it reached
28.7 °C in May 2014.
Precipitation amounts to
30 mm, 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. Therefore, the sea is very cold for swimming.
June is generally a mild month. The average temperature is of
14.4 °C, with a minimum of
11.7 °C and a maximum of
17.1 °C.
On the coldest nights of the month, the temperature usually drops to around
7.5 °C. However, it dropped to
4.8 °C in June 2004.
On the warmest days of the month, the temperature usually reaches around
24 °C. However, it reached
29.7 °C in June 2019.
Precipitation amounts to
45 mm, 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
11.7 °C. Therefore, the sea is very cold for swimming.
July, the warmest month of the year, is generally a warm month. The average temperature is of
18.1 °C, with a minimum of
15.4 °C and a maximum of
20.8 °C.
On the coldest nights of the month, the temperature usually drops to around
11.5 °C. However, it dropped to
8.3 °C in July 1995.
On the warmest days of the month, the temperature usually reaches around
27 °C. However, it reached
32.1 °C in July 2010.
Precipitation amounts to
50 mm, 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
16.7 °C. Therefore, the sea is cold for swimming.
August is generally a very mild month. The average temperature is of
17.9 °C, with a minimum of
15.3 °C and a maximum of
20.6 °C.
On the coldest nights of the month, the temperature usually drops to around
11 °C. However, it dropped to
8.6 °C in August 2007.
On the warmest days of the month, the temperature usually reaches around
26 °C. However, it reached
32.4 °C in August 2014.
Precipitation amounts to
75 mm, 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
17.7 °C. Therefore, the sea is cold for swimming.
September is generally a mild month. The average temperature is of
13.9 °C, with a minimum of
11.7 °C and a maximum of
16.1 °C.
On the coldest nights of the month, the temperature usually drops to around
6 °C. However, it dropped to
0.4 °C in September 1993.
On the warmest days of the month, the temperature usually reaches around
21 °C. However, it reached
24.9 °C in September 2019.
Precipitation amounts to
60 mm, 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. Therefore, the sea is cold for swimming.
October is generally a mild month. The average temperature is of
8.6 °C, with a minimum of
6.7 °C and a maximum of
10.4 °C.
On the coldest nights of the month, the temperature usually drops to around
0.5 °C. However, it dropped to
-4.2 °C in October 1992.
On the warmest days of the month, the temperature usually reaches around
15 °C. However, it reached
18.6 °C in October 2020.
Precipitation amounts to
65 mm, 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
11.2 °C. Therefore, the sea is very cold for swimming.
November is generally a quite cold month. The average temperature is of
4.4 °C, with a minimum of
2.8 °C and a maximum of
6 °C.
On the coldest nights of the month, the temperature usually drops to around
-3.5 °C. However, it dropped to
-10.8 °C in November 2010.
On the warmest days of the month, the temperature usually reaches around
10 °C. However, it reached
13.1 °C in November 2020.
Precipitation amounts to
60 mm, 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
7.9 °C. Therefore, the sea is very cold for swimming.
December is generally a cold month. The average temperature is of
1.7 °C, with a minimum of
0.1 °C and a maximum of
3.3 °C.
On the coldest nights of the month, the temperature usually drops to around
-6.5 °C. However, it dropped to
-15.9 °C in December 1996.
On the warmest days of the month, the temperature usually reaches around
7 °C. However, it reached
10.2 °C in December 2006.
Precipitation amounts to
55 mm, 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
5.1 °C. Therefore, the sea is very cold for swimming.