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Imatra weather in December

Weather in Imatra: December

Average day temperature: 28.0°F
Average night temperature: 26.3°F
Sea water temperature: 37.1°F
Number of sunny days: 1 day
Day length: 5.5 - 6.1 hours
Number of days with precipitation: 4 days
Precipitation totals: 2.2 in.

Air temperature in December, °F

Show year:
2025
2024
2023

The highest day temperature during December of 2025 was 41°F. At the same time the lowest night temperature was 15°F. Daily and nightly averages during December were 32.8°F and 32.5°F.

Sea water temperature in Imatra in December, °F

Show year:
2025
2024
2023

The average sea water temperature in December of 2025 was 37.4°F. The highest and lowest sea temperatures during the month were 39.7°F and 34.5°F.

Sunny, partly cloudy and cloudy days

Mostly all days in December are cloudy but sunny and partly cloudy days are also possible.

Precipitation total in December, in.

Precipitation total value in Imatra in December is 2.3 in. Other months of the year show relatively similar values.

Wind speed in December, mph

The average wind speed value in December is 7.3 mph

Average sunny hours

This chart shows average number of hours during the day when sunlight can reach the ground. It depends on day length and cloudiness during the day. The average number of sunny hours in December is: 1.1.

Best time for vacation in Imatra

Sunniest months:
July 13 days
June 11 days
May 11 days
Warmest months:
July 72.3 °F
August 69.1 °F
June 67.5 °F
Warmest sea temp:
August 65.5 °F
July 64.5 °F
September 58.7 °F
Coldest months:
January 22.5 °F
February 24.8 °F
December 28.0 °F
Rainiest months:
July 5 days
August 5 days
May 4 days
Windiest months:
December 7.7 mph
March 7.4 mph
November 7.4 mph

Imatra on a weather map

Imatra
+12°F
S 9 mph
Feels like: +0°F
Precip.: 0%
Places in Finland:
Name
°F
+18°F
+14°F
+9°F
+18°F
+16°F
+9°F
+9°F
+18°F
+19°F
-13°F
+9°F
+18°F
+16°F
+16°F
+7°F
24 Hours Forecast
Imatra
Local time: 21:45
January 01, thursday
0000
12°F
S
7 mph
0300
12°F
S
6 mph
0600
12°F
S
4 mph
0900
10°F
S
2 mph
1200
12°F
W
1 mph
1500
14°F
NW
3 mph
1800
14°F
W
6 mph
2100
16°F
NW
9 mph
Units of measurement: °C / °F