Oulu climate

Oulu Weather in December

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

Average highs run from -3°C on December 1 to -7°C on December 31, and lows from -7°C to -12°C. Normal precipitation for the month is 59 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 Oulu, in °C, with the record for each date.-30-20-10010151015202530
  • Normal low
  • Normal high
  • Reanalysis extreme high
  • Reanalysis extreme low

December at a glance

Average high
-4°C
Average low
-9°C
Precipitation
59 mm
Reanalysis high
4°CDec 7, 2000
Reanalysis low
-27°CDec 29, 2002
Daylight
4 h 38 min to 3 h 50 min
Cloud cover
77%
Humidity
98%
Dew point
-7°C
Wind
12.2 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 1-3°C-7°C3°C 2006-20°C 200249%
Dec 2-3°C-7°C3°C 2006-20°C 199748%
Dec 3-3°C-7°C2°C 1992-18°C 199747%
Dec 4-3°C-7°C2°C 1992-20°C 200246%
Dec 5-3°C-7°C3°C 2006-19°C 200248%
Dec 6-3°C-7°C3°C 2000-18°C 201648%
Dec 7-3°C-7°C4°C 2000-17°C 199947%
Dec 8-3°C-7°C3°C 2000-17°C 199947%
Dec 9-3°C-7°C3°C 2006-18°C 201045%
Dec 10-3°C-8°C4°C 2006-20°C 201046%
Dec 11-4°C-8°C3°C 2006-20°C 201045%
Dec 12-4°C-8°C4°C 2006-20°C 199946%
Dec 13-4°C-8°C3°C 2006-20°C 201045%
Dec 14-4°C-8°C2°C 2006-17°C 201045%
Dec 15-4°C-8°C1°C 2006-17°C 200944%
Dec 16-4°C-8°C1°C 1995-22°C 199445%
Dec 17-4°C-9°C1°C 1992-23°C 199444%
Dec 18-5°C-9°C3°C 2007-20°C 202043%
Dec 19-5°C-9°C3°C 2007-20°C 201243%
Dec 20-5°C-10°C2°C 2007-20°C 199642%
Dec 21-5°C-10°C3°C 2007-24°C 200142%
Dec 22-6°C-10°C2°C 2006-24°C 201043%
Dec 23-6°C-10°C1°C 1994-24°C 201043%
Dec 24-6°C-10°C1°C 2007-25°C 199544%
Dec 25-6°C-11°C1°C 2015-25°C 199543%
Dec 26-6°C-11°C2°C 1992-27°C 199343%
Dec 27-6°C-11°C3°C 2007-26°C 199343%
Dec 28-6°C-11°C3°C 2007-25°C 200241%
Dec 29-7°C-11°C2°C 2013-27°C 200240%
Dec 30-7°C-11°C2°C 2013-24°C 201041%
Dec 31-7°C-12°C1°C 2016-27°C 200241%

Chance of rain

The chance of at least 1 mm of precipitation in the reanalysis on each date at Oulu, in percent.010203040501102030
  • Chance of a wet day

Sunrise and sunset

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

December 1
sunrise 9:48 AM, sunset 2:26 PM
December 31
sunrise 10:26 AM, sunset 2:16 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 2026-09-25. Sun and moon: computed with the NOAA solar equations and Meeus.