Weather in Kouvola: December
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Average day temperature: | 29.5°F |
| Average night temperature: | 27.2°F | |
 |
Number of sunny days: | 2 days |
| Day length: | 5.6 - 6.2 hours | |
 |
Number of days with precipitation: | 4 days |
| Precipitation totals: | 2.1 in. | |
| more information | ||
14 days
forecast
forecast
| Kouvola |
weather in
January
January
| Kouvola |
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 22°F. Daily and nightly averages during December were 34.4°F and 34.8°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 Kouvola in December is 2.0 in. Other months of the year show relatively similar values.
Wind speed in December, mph
The average wind speed value in December is 7.4 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: 1.3.
Best time for vacation in Kouvola
Kouvola on a weather map
Places in Finland:
Name
°F
24 Hours Forecast
Kouvola
Local time: 23:19
December 29, monday
0000
25°F
NE
5 mph
5 mph
0300
30°F
SE
8 mph
8 mph
0600
28°F
SE
9 mph
9 mph
0900
28°F
SE
9 mph
9 mph
1200
27°F
SE
11 mph
11 mph
1500
23°F
SE
11 mph
11 mph
1800
23°F
SE
9 mph
9 mph
2100
23°F
S
12 mph
12 mph
