Going from a maximum of +30°F during the day to a minimum of -2°F during the night, the temperature in December averages around +18°F.
The average maximum temperature goes down 39% by the end of the month, compared with the beginning of the month, from +18°F to +5°F.
Rovaniemi is typically cold in December.
Maximum temperatures go down compared to the previous month from +27°F to +21°F. The minimum temperature also goes down from +18°F to +10°F.
Wear your winter warms as it will be cold. To save space, layer, and don’t forget gloves and a scarf.
December is one of the coolest months in Rovaniemi, here is the comparison with other months:
November | December | January | ||||
---|---|---|---|---|---|---|
Avg. temperature | ||||||
+27°F | +21°F | +18°F | ||||
Min. temperature | ||||||
-20°F | -35°F | -44°F | ||||
Max. temperature | ||||||
+46°F | +43°F | +43°F | ||||
Rainfall | ||||||
9 mm | 2 mm | 0 mm | ||||
Wind | ||||||
3 m/s | 3 m/s | 3 m/s | ||||
Humidity | ||||||
91% | 89% | 87% | ||||
Air pressure | ||||||
1008 HPa | 1005 HPa | 1006 HPa | ||||
Sunny days | ||||||
2 | 2 | 2 | ||||
Cloudy days | ||||||
13 | 14 | 15 | ||||
Rainy days | ||||||
1 | 0 | 0 | ||||
Snowy days | ||||||
14 | 15 | 14 |
December weather is still as ok as in November. It’s getting colder in December. From +27°F in the day, the average maximum temperature lowers to +21°F. As December arrives, the amount of rainfall goes down. On average, the rainfall volume decreases from 9 mm to 2 mm. It feels drier, as humidity decreases from 91% to 89%. The average wind speed doesn’t change much during December, staying around 3 m/s. The amount of sunny days stay about the same, averaging 2 sunny days during the month.
January brings much the same weather, it remains ok.
The average wind speed is 3 m/s getting up to 7 m/s which is a medium breeze. You can feel it, especially getting out of the water.
The average wind speed in Rovaniemi is gradually decreasing during December, going from 3 m/s to 2 m/s over the course of the month.
December is one of the snowiest months in Rovaniemi.
Here’s how December is compared with other months in the amount of snow, total mm:
The climate in Rovaniemi in December has not changed that much over the last 43 years.
The average temperature was the lowest in 1985 (+35°F) and the highest in 2020 (+44°F). The driest year was 1997 with only 206 mm of rainfall, and the wettest year was 2020 with 551 mm.
For this page, we’ve looked at the typical weather in Rovaniemi, based on historical hourly weather data from January 1, 1979, to December 31, 2023.
For past dates, we show actual recorded data at the location at that time. Forecasts are based on recorded weather during that day of the year, averaged over the total years for which we have records (unless stated otherwise). The daily temperature is the highest recorded temperature in the shadow during that day.