Porsgrunn Weather in January
Average highs run from 0°C on January 1 to -1°C on January 31, and lows from -5°C to -5°C. Normal precipitation for the month is 99 mm over about 16 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
- 0°C
- Average low
- -4°C
- Precipitation
- 99 mm
- Reanalysis high
- 10°CJan 10, 2005
- Reanalysis low
- -20°CJan 8, 2010
- Daylight
- 6 h 18 min to 8 h 04 min
- Cloud cover
- 73%
- Humidity
- 95%
- Dew point
- -3°C
- Wind
- 10.8 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 | 0°C | -5°C | 6°C 2007 | -14°C 1997 | 48% |
| Jan 2 | 0°C | -5°C | 7°C 1992 | -18°C 2010 | 50% |
| Jan 3 | 0°C | -5°C | 7°C 1992 | -19°C 2010 | 51% |
| Jan 4 | 0°C | -5°C | 7°C 2007 | -20°C 2003 | 51% |
| Jan 5 | 0°C | -4°C | 6°C 2019 | -17°C 2010 | 49% |
| Jan 6 | 0°C | -4°C | 6°C 2000 | -19°C 2003 | 50% |
| Jan 7 | 0°C | -4°C | 9°C 2005 | -18°C 2010 | 50% |
| Jan 8 | 0°C | -4°C | 8°C 2020 | -20°C 2010 | 49% |
| Jan 9 | 0°C | -4°C | 9°C 2007 | -18°C 2010 | 49% |
| Jan 10 | 0°C | -4°C | 10°C 2005 | -12°C 2010 | 50% |
| Jan 11 | 0°C | -4°C | 6°C 2005 | -11°C 1999 | 51% |
| Jan 12 | 0°C | -4°C | 6°C 2009 | -13°C 1999 | 51% |
| Jan 13 | 0°C | -4°C | 6°C 2007 | -12°C 2013 | 51% |
| Jan 14 | 0°C | -4°C | 6°C 2007 | -15°C 2016 | 50% |
| Jan 15 | 0°C | -4°C | 7°C 2007 | -15°C 2016 | 50% |
| Jan 16 | 0°C | -4°C | 7°C 2007 | -15°C 1994 | 50% |
| Jan 17 | 0°C | -4°C | 7°C 1993 | -15°C 1994 | 48% |
| Jan 18 | 0°C | -4°C | 5°C 2005 | -14°C 2001 | 47% |
| Jan 19 | 0°C | -4°C | 6°C 1999 | -14°C 2013 | 46% |
| Jan 20 | 0°C | -4°C | 6°C 1999 | -14°C 2016 | 48% |
| Jan 21 | 0°C | -4°C | 6°C 1999 | -15°C 2016 | 46% |
| Jan 22 | 0°C | -5°C | 7°C 1993 | -15°C 2016 | 46% |
| Jan 23 | 0°C | -5°C | 5°C 2020 | -14°C 2013 | 46% |
| Jan 24 | -1°C | -5°C | 5°C 2020 | -13°C 2013 | 46% |
| Jan 25 | -1°C | -5°C | 5°C 2008 | -12°C 2007 | 46% |
| Jan 26 | -1°C | -5°C | 5°C 2020 | -14°C 1996 | 45% |
| Jan 27 | -1°C | -5°C | 5°C 2020 | -14°C 1996 | 44% |
| Jan 28 | -1°C | -5°C | 4°C 2008 | -14°C 1999 | 43% |
| Jan 29 | -1°C | -5°C | 6°C 2016 | -16°C 1995 | 43% |
| Jan 30 | -1°C | -5°C | 4°C 2016 | -15°C 2010 | 42% |
| Jan 31 | -1°C | -5°C | 3°C 2007 | -14°C 2010 | 42% |
Chance of rain
- Chance of a wet day
Sunrise and sunset
Times for 2026, local time (GMT+1).
- January 1
- sunrise 9:16 AM, sunset 3:34 PM
- January 31
- sunrise 8:33 AM, sunset 4:37 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 2026-09-24. Sun and moon: computed with the NOAA solar equations and Meeus.