Rovaniemi climate

Rovaniemi Weather in December

NASA POWER reanalysis for the half-degree grid cell around Rovaniemi, 1991-2020; a grid cell is an area average and can differ from a thermometer in town by several degrees

Average highs run from -5°C on December 1 to -9°C on December 31, and lows from -11°C to -15°C. Normal precipitation for the month is 56 mm over about 16 wet days.

December day by day

The normal high and low for each date, in °C.

Normal daily high and low temperature at Rovaniemi, in °C, with the record for each date.-40-30-20-10010151015202530
  • Normal low
  • Normal high
  • Reanalysis extreme high
  • Reanalysis extreme low

December at a glance

Average high
-7°C
Average low
-13°C
Precipitation
56 mm
Reanalysis high
3°CDec 1, 2011
Reanalysis low
-33°CDec 31, 2002
Daylight
3 h 45 min to 2 h 39 min
Cloud cover
77%
Humidity
100%
Dew point
-10°C
Wind
9.0 km/h

Every day of the month

A wet day has at least 1 mm of precipitation in the reanalysis.

DateNormal highNormal lowReanalysis highReanalysis lowChance wet
Dec 1-5°C-11°C3°C 2011-23°C 199754%
Dec 2-6°C-11°C2°C 2011-26°C 199752%
Dec 3-6°C-11°C0°C 2011-27°C 199751%
Dec 4-6°C-11°C1°C 2003-26°C 201650%
Dec 5-6°C-11°C0°C 2014-23°C 199852%
Dec 6-6°C-11°C1°C 2000-27°C 201651%
Dec 7-6°C-11°C1°C 2000-25°C 201350%
Dec 8-6°C-12°C0°C 2007-26°C 201351%
Dec 9-6°C-12°C1°C 2006-27°C 201350%
Dec 10-6°C-12°C0°C 2006-21°C 201049%
Dec 11-6°C-12°C1°C 2006-22°C 199647%
Dec 12-6°C-12°C1°C 2006-22°C 199647%
Dec 13-6°C-12°C1°C 2006-22°C 201547%
Dec 14-6°C-12°C0°C 2004-25°C 200946%
Dec 15-7°C-12°C0°C 2007-27°C 200946%
Dec 16-7°C-13°C0°C 2013-25°C 199645%
Dec 17-7°C-13°C0°C 1997-25°C 199944%
Dec 18-7°C-14°C1°C 2007-25°C 199644%
Dec 19-8°C-14°C0°C 2007-28°C 199544%
Dec 20-8°C-14°C0°C 2016-30°C 199543%
Dec 21-8°C-14°C0°C 2007-28°C 199643%
Dec 22-8°C-14°C0°C 2006-30°C 200344%
Dec 23-8°C-15°C0°C 2020-29°C 200344%
Dec 24-8°C-15°C0°C 2011-29°C 199645%
Dec 25-8°C-15°C0°C 2013-30°C 199644%
Dec 26-9°C-15°C0°C 2013-27°C 199344%
Dec 27-9°C-15°C1°C 2007-30°C 200244%
Dec 28-9°C-15°C1°C 2007-29°C 200243%
Dec 29-9°C-15°C0°C 2013-29°C 199543%
Dec 30-9°C-15°C0°C 2013-26°C 200244%
Dec 31-9°C-15°C0°C 2004-33°C 200245%

Chance of rain

The chance of at least 1 mm of precipitation in the reanalysis on each date at Rovaniemi, in percent.02040601102030
  • Chance of a wet day

Sunrise and sunset

Times for 2026, local time (GMT+2).

December 1
sunrise 10:13 AM, sunset 1:58 PM
December 31
sunrise 11:01 AM, sunset 1:40 PM

Every day of December: sun and moon

Other months

Sources

Cloud, humidity, wind and sunshine, and temperature and precipitation: NASA POWER (MERRA-2, CERES and GEWEX SRB), 1991-2020. The data was obtained from the National Aeronautics and Space Administration (NASA) Langley Research Center's Prediction Of Worldwide Energy Resources (POWER) project funded through the NASA Earth Science Division: POWER Daily API v2, accessed 2026-09-24. Sun and moon: computed with the NOAA solar equations and Meeus.