Siilinjärvi Weather in January
Average highs run from -4°C on January 1 to -7°C on January 31, and lows from -9°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, and the record, in °C.
- Normal low
- Normal high
- Record high
- Record low
January at a glance
- Average high
- -5°C
- Average low
- -11°C
- Precipitation
- 53 mm
- Record high
- 8°CJan 11, 1971
- Record low
- -39°CJan 8, 1987
- Daylight
- 4 h 54 min to 7 h 16 min
- Cloud cover
- 74%
- Humidity
- 99%
- Dew point
- -12°C
- Wind
- 11.5 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 |
|---|---|---|---|---|---|
| Jan 1 | -4°C | -9°C | 5°C 1973 | -34°C 2003 | 45% |
| Jan 2 | -5°C | -10°C | 5°C 2020 | -35°C 2003 | 44% |
| Jan 3 | -5°C | -10°C | 5°C 2020 | -33°C 1982 | 43% |
| Jan 4 | -6°C | -11°C | 3°C 1989 | -34°C 2024 | 43% |
| Jan 5 | -6°C | -10°C | 4°C 2007 | -36°C 2024 | 44% |
| Jan 6 | -6°C | -12°C | 4°C 1973 | -37°C 1985 | 44% |
| Jan 7 | -5°C | -12°C | 5°C 1983 | -37°C 1985 | 44% |
| Jan 8 | -4°C | -9°C | 5°C 2020 | -39°C 1987 | 44% |
| Jan 9 | -3°C | -9°C | 4°C 2007 | -36°C 1987 | 45% |
| Jan 10 | -4°C | -10°C | 6°C 2007 | -37°C 1987 | 46% |
| Jan 11 | -4°C | -11°C | 8°C 1971 | -37°C 1987 | 46% |
| Jan 12 | -4°C | -10°C | 4°C 1964 | -36°C 1968 | 45% |
| Jan 13 | -4°C | -10°C | 5°C 2009 | -37°C 1968 | 45% |
| Jan 14 | -4°C | -9°C | 4°C 2025 | -31°C 1966 | 45% |
| Jan 15 | -3°C | -9°C | 6°C 2020 | -36°C 1966 | 44% |
| Jan 16 | -4°C | -9°C | 6°C 2025 | -31°C 2011 | 43% |
| Jan 17 | -4°C | -9°C | 6°C 1975 | -34°C 1968 | 42% |
| Jan 18 | -4°C | -10°C | 6°C 2025 | -34°C 1968 | 43% |
| Jan 19 | -6°C | -12°C | 4°C 2025 | -33°C 1968 | 42% |
| Jan 20 | -7°C | -14°C | 4°C 2020 | -33°C 1985 | 42% |
| Jan 21 | -7°C | -14°C | 8°C 2020 | -34°C 1959 | 41% |
| Jan 22 | -7°C | -13°C | 5°C 1997 | -36°C 1985 | 39% |
| Jan 23 | -6°C | -12°C | 5°C 1991 | -28°C 1985 | 40% |
| Jan 24 | -6°C | -14°C | 2°C 2024 | -28°C 2010 | 39% |
| Jan 25 | -6°C | -13°C | 5°C 1991 | -30°C 1969 | 38% |
| Jan 26 | -6°C | -12°C | 4°C 2023 | -34°C 1985 | 38% |
| Jan 27 | -6°C | -12°C | 2°C 2018 | -32°C 1968 | 38% |
| Jan 28 | -6°C | -13°C | 6°C 1992 | -33°C 1969 | 39% |
| Jan 29 | -7°C | -12°C | 5°C 1989 | -35°C 1967 | 40% |
| Jan 30 | -6°C | -13°C | 4°C 1989 | -34°C 1967 | 41% |
| Jan 31 | -7°C | -14°C | 3°C 1997 | -34°C 1980 | 41% |
Chance of rain
- Chance of a wet day
Sunrise and sunset
Times for 2026, local time (GMT+2).
- January 1
- sunrise 9:46 AM, sunset 2:40 PM
- January 31
- sunrise 8:45 AM, sunset 4:01 PM
Other months
Sources
Records: NOAA GHCN-Daily, station FIE00144702, 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 2026-09-25. Sun and moon: computed with the NOAA solar equations and Meeus.