Jämsä Weather in January
Average highs run from -6°C on January 1 to -7°C on January 31, and lows from -11°C to -14°C. Normal precipitation for the month is 53 mm over about 12 wet days.
January day by day
The normal high and low for each date, in °C.
- Normal low
- Normal high
- Reanalysis extreme high
- Reanalysis extreme low
January at a glance
- Average high
- -6°C
- Average low
- -12°C
- Precipitation
- 53 mm
- Reanalysis high
- 6°CJan 15, 2020
- Reanalysis low
- -41°CJan 20, 2006
- Daylight
- 5 h 24 min to 7 h 32 min
- Cloud cover
- 76%
- Humidity
- 99%
- Dew point
- -9°C
- Wind
- 10.1 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 | Reanalysis high | Reanalysis low | Chance wet |
|---|---|---|---|---|---|
| Jan 1 | -6°C | -11°C | 2°C 2014 | -28°C 2002 | 49% |
| Jan 2 | -6°C | -11°C | 1°C 2020 | -28°C 2002 | 48% |
| Jan 3 | -6°C | -11°C | 2°C 2020 | -26°C 2003 | 47% |
| Jan 4 | -6°C | -11°C | 2°C 2007 | -26°C 2003 | 46% |
| Jan 5 | -6°C | -11°C | 2°C 2007 | -24°C 1997 | 48% |
| Jan 6 | -6°C | -11°C | 0°C 1993 | -31°C 2003 | 48% |
| Jan 7 | -6°C | -11°C | 2°C 2020 | -31°C 2003 | 48% |
| Jan 8 | -6°C | -11°C | 4°C 2020 | -29°C 2010 | 48% |
| Jan 9 | -6°C | -11°C | 2°C 2007 | -25°C 2003 | 48% |
| Jan 10 | -5°C | -11°C | 4°C 2007 | -28°C 2003 | 49% |
| Jan 11 | -5°C | -11°C | 1°C 1993 | -25°C 2003 | 48% |
| Jan 12 | -5°C | -11°C | 3°C 2009 | -22°C 1991 | 47% |
| Jan 13 | -6°C | -11°C | 3°C 2009 | -25°C 1999 | 47% |
| Jan 14 | -6°C | -11°C | 1°C 2009 | -26°C 1999 | 46% |
| Jan 15 | -6°C | -11°C | 6°C 2020 | -24°C 2011 | 43% |
| Jan 16 | -6°C | -11°C | 2°C 2020 | -27°C 2011 | 42% |
| Jan 17 | -6°C | -11°C | 3°C 2020 | -24°C 2016 | 42% |
| Jan 18 | -6°C | -12°C | 3°C 2020 | -34°C 2006 | 42% |
| Jan 19 | -6°C | -12°C | 3°C 2020 | -39°C 2006 | 42% |
| Jan 20 | -7°C | -12°C | 3°C 2020 | -41°C 2006 | 41% |
| Jan 21 | -7°C | -12°C | 4°C 2020 | -36°C 2006 | 40% |
| Jan 22 | -7°C | -12°C | 0°C 1999 | -36°C 2006 | 39% |
| Jan 23 | -7°C | -13°C | 0°C 1991 | -28°C 2006 | 39% |
| Jan 24 | -7°C | -13°C | 0°C 2008 | -23°C 2019 | 38% |
| Jan 25 | -7°C | -13°C | 1°C 1991 | -24°C 1996 | 38% |
| Jan 26 | -8°C | -13°C | 0°C 2017 | -25°C 2010 | 38% |
| Jan 27 | -8°C | -13°C | 0°C 1992 | -28°C 1999 | 38% |
| Jan 28 | -8°C | -13°C | 3°C 1992 | -35°C 1999 | 39% |
| Jan 29 | -7°C | -13°C | 2°C 1992 | -36°C 1999 | 40% |
| Jan 30 | -7°C | -13°C | 0°C 2016 | -31°C 1999 | 41% |
| Jan 31 | -7°C | -14°C | 0°C 1992 | -31°C 2012 | 42% |
Chance of rain
- Chance of a wet day
Sunrise and sunset
Times for 2026, local time (GMT+2).
- January 1
- sunrise 9:41 AM, sunset 3:05 PM
- January 31
- sunrise 8:47 AM, sunset 4:19 PM
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.