Helsinki Weather: December
 |
Average Day Temperature: | 31.7°F |
|
Average Night Temperature: | 29.5°F |
|
Sea Water Temperature: | 37.4°F |
|
Number of Sunny Days: | 3 days |
| Sunshine Hours: | 5.8 - 6.4 hours | |
|
Number of Rainy Days: | 4 days |
| Precipitation Totals: | 2.2 in | |
|
Number of Snowy Days: | 1 day |
| detailed information | ||
forecast
| Helsinki |
Temperature
| Helsinki |
Air Temperature in December, °F
| Day Temperature | Night Temperature |
The highest day temperature in December 2024 was 42°F. The lowest night temperature was 12°F. The average values for day and night temperatures during December were 32.9°F и 32.0°F respectivly.
Helsinki Water Sea Temperature in December, °F
The average sea surface temperature in December 2024 for Helsinki was 36.9°F. The maximum and minimum values were 34.0°F and 39.8°F respectively.
| Sunny days | |
| Cloudy days | |
| Gloomy days |
Most of the days in December are gloomy but you can also expect sunny days.
Precipitation Totals in December, in
Precipitation total in December for Helsinki is 2.2 in. It makes december one of the most rainy months of the year.
The average wind speed in December is 12.7 mph. It makes December the most windy month of the year for Helsinki.
We are using day length and cloud cover information for each day of the month to calculate averages for this chart. Average sunny hours for Helsinki in December is 1.6 hours.
Helsinki on the Weather Map
| Espoo |  |
+40 |
| Helsinki |  |
+38 |
| Imatra |  |
+40 |
| Juvaskyla | |
+40 |
| Kemi | |
+32 |
| Koli National Park | |
+36 |
| Kotka | |
+38 |
| Lahti | |
+40 |
| Lappeenranta | |
+40 |
| Oulu | |
+32 |
| Porvoo | |
+38 |
| Saariselka |  |
+22 |
| Turku | |
+38 |
| Vaasa | |
+36 |
| Vantaa | |
+40 |
| 0900 |  |
48°F | SE 3 mph |
| 1200 | |
52°F | NE 4 mph |
| 1500 | |
52°F | N 6 mph |
| 1800 |  |
48°F | NW 5 mph |
| 2100 |  |
44°F | NW 7 mph |
| 0000 | |
42°F | W 9 mph |
| 0300 |  |
40°F | W 9 mph |
| 0600 | |
40°F | W 9 mph |