Measurements:
°C
°F
CURRENT WEATHER
09:55
Helsinki
38°F
N 7 mph
Feels like: 34°F
Precip: 0%
World Resorts Finland Helsinki Weather

7 Day Weather Forecast

12.05
fri
DAY
38°F
N 6 mph
precip
0%
NIGHT
40°F
NW 6 mph
precip
0%
12.06
sat
DAY
40°F
NW 11 mph
precip
0%
NIGHT
38°F
N 9 mph
precip
100%
12.07
sun
DAY
38°F
NW 7 mph
precip
66%
NIGHT
38°F
N 9 mph
precip
84%
12.08
mon
DAY
38°F
N 10 mph
precip
69%
NIGHT
40°F
NE 6 mph
precip
100%
12.09
tue
DAY
40°F
SE 4 mph
precip
76%
NIGHT
36°F
E 1 mph
precip
45%
12.10
wed
DAY
38°F
NW 7 mph
precip
79%
NIGHT
38°F
NW 13 mph
precip
100%
12.11
thu
DAY
42°F
NE 12 mph
precip
100%
NIGHT
36°F
E 14 mph
precip
100%

Helsinki Sea Water Temperature in December, °F

Select Year: 2024 2023 2022

The average sea surface temperature in December 2024 for Helsinki was 3.4°F. The maximum and minimum values were 2.0°F and 4.9°F respectively.

Helsinki on the Weather Map

Best Time to Visit Helsinki
The most sunny months:
June 15 days
July 15 days
May 14 days
The most warm months:
July 70.8 °F
August 69.0 °F
June 64.8 °F
Warmest sea temperature:
August 64.6 °F
July 63.2 °F
September 59.8 °F
The most cold months:
January 26.0 °F
February 26.8 °F
December 31.7 °F
The most rainy months:
August 5 days
July 4 days
October 4 days
The most windy months:
December 12 mph
November 12 mph
January 11 mph
more details