Savonlinna Weather in December
Average highs run from -1°C on December 1 to -2°C on December 31, and lows from -5°C to -6°C. Normal precipitation for the month is 62 mm over about 16 wet days.
December day by day
The normal high and low for each date, and the record, in °C.
- Normal low
- Normal high
- Record high
- Record low
December at a glance
- Average high
- -2°C
- Average low
- -7°C
- Precipitation
- 62 mm
- Record high
- 9°CDec 21, 2015
- Record low
- -37°CDec 17, 1978
- Daylight
- 5 h 54 min to 5 h 21 min
- Cloud cover
- 77%
- Humidity
- 99%
- Dew point
- -9°C
- Wind
- 11.9 km/h
Every day of the month
A wet day has at least 1 mm of precipitation in the reanalysis.
| Date | Normal high | Normal low | Record high | Record low | Chance wet |
|---|---|---|---|---|---|
| Dec 1 | -1°C | -5°C | 5°C 2024 | -26°C 2002 | 50% |
| Dec 2 | -1°C | -5°C | 8°C 2024 | -22°C 2021 | 50% |
| Dec 3 | 0°C | -5°C | 6°C 2006 | -23°C 2021 | 50% |
| Dec 4 | -1°C | -6°C | 5°C 2000 | -22°C 2023 | 50% |
| Dec 5 | -1°C | -6°C | 5°C 2006 | -23°C 2021 | 50% |
| Dec 6 | 0°C | -5°C | 9°C 2006 | -22°C 2002 | 49% |
| Dec 7 | 0°C | -5°C | 8°C 2006 | -22°C 1980 | 49% |
| Dec 8 | -1°C | -4°C | 6°C 2006 | -24°C 1980 | 48% |
| Dec 9 | 0°C | -5°C | 7°C 2006 | -26°C 1980 | 48% |
| Dec 10 | 0°C | -5°C | 7°C 2006 | -23°C 2013 | 47% |
| Dec 11 | 0°C | -5°C | 7°C 2015 | -27°C 1980 | 47% |
| Dec 12 | 0°C | -5°C | 5°C 2006 | -26°C 2010 | 46% |
| Dec 13 | -1°C | -7°C | 5°C 2006 | -27°C 2010 | 46% |
| Dec 14 | -2°C | -7°C | 4°C 2000 | -26°C 1979 | 46% |
| Dec 15 | -2°C | -6°C | 8°C 2006 | -27°C 1978 | 44% |
| Dec 16 | -2°C | -6°C | 3°C 2011 | -34°C 1978 | 44% |
| Dec 17 | -3°C | -7°C | 6°C 2013 | -37°C 1978 | 44% |
| Dec 18 | -3°C | -8°C | 5°C 2025 | -27°C 2024 | 44% |
| Dec 19 | -2°C | -7°C | 5°C 2025 | -26°C 2024 | 43% |
| Dec 20 | -2°C | -7°C | 8°C 2015 | -26°C 1978 | 44% |
| Dec 21 | -3°C | -8°C | 9°C 2015 | -32°C 2001 | 43% |
| Dec 22 | -4°C | -8°C | 7°C 2015 | -33°C 2001 | 46% |
| Dec 23 | -4°C | -10°C | 4°C 2013 | -32°C 2010 | 47% |
| Dec 24 | -4°C | -11°C | 3°C 1974 | -33°C 2010 | 48% |
| Dec 25 | -5°C | -11°C | 5°C 2025 | -30°C 2001 | 48% |
| Dec 26 | -4°C | -9°C | 5°C 2011 | -29°C 2000 | 47% |
| Dec 27 | -3°C | -9°C | 5°C 2011 | -29°C 1978 | 46% |
| Dec 28 | -4°C | -10°C | 5°C 2013 | -35°C 1978 | 45% |
| Dec 29 | -4°C | -9°C | 5°C 2007 | -37°C 1978 | 44% |
| Dec 30 | -2°C | -8°C | 4°C 2007 | -33°C 1978 | 44% |
| Dec 31 | -2°C | -6°C | 4°C 2016 | -32°C 2002 | 44% |
Chance of rain
- Chance of a wet day
Sunrise and sunset
Times for 2026, local time (GMT+2).
- December 1
- sunrise 8:56 AM, sunset 2:50 PM
- December 31
- sunrise 9:27 AM, sunset 2:48 PM
Other months
Sources
Records: NOAA GHCN-Daily, station FIE00144102, every year on file, quality-flagged values removed. Cloud, humidity, wind and sunshine: 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.