Measurements:
°C
°F
CURRENT WEATHER
15:17
Helsinki
40°F
NE 14 mph
Feels like: 30°F
Precip: 0%
World Resorts Finland Helsinki Weather

7 Day Weather Forecast

12.25
wed
DAY
38°F
NE 16 mph
precip
84%
NIGHT
42°F
NE 14 mph
precip
71%
12.26
thu
DAY
42°F
NE 14 mph
precip
68%
NIGHT
34°F
SE 6 mph
precip
0%
12.27
fri
DAY
34°F
N 4 mph
precip
0%
NIGHT
36°F
NE 7 mph
precip
69%
12.28
sat
DAY
36°F
NE 4 mph
precip
61%
NIGHT
40°F
NE 17 mph
precip
76%
12.29
sun
DAY
40°F
NE 21 mph
precip
100%
NIGHT
40°F
NE 19 mph
precip
0%
12.30
mon
DAY
40°F
E 20 mph
precip
100%
NIGHT
30°F
NE 5 mph
precip
0%
12.31
tue
DAY
30°F
SE 11 mph
precip
0%
NIGHT
26°F
E 15 mph
precip
0%

Helsinki Sea Water Temperature in December, °F

Select Year: 2024 2023 2022

The average sea surface temperature in December 2024 for Helsinki was 3.7°F. The maximum and minimum values were 2.8°F and 4.9°F respectively.

Helsinki on the Weather Map

Best Time to Visit Helsinki
The most sunny months:
July 15 days
June 15 days
May 14 days
The most warm months:
July 70.7 °F
August 69.2 °F
June 65.0 °F
Warmest sea temperature:
August 64.6 °F
July 63.1 °F
September 59.7 °F
The most cold months:
January 25.6 °F
February 26.7 °F
December 31.6 °F
The most rainy months:
August 5 days
September 4 days
July 4 days
The most windy months:
December 12 mph
November 12 mph
January 11 mph
more details