Norrtälje climate

Norrtälje Weather in January

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

Average highs run from 0°C on January 1 to -1°C on January 31, and lows from -4°C to -5°C. Normal precipitation for the month is 47 mm over about 12 wet days.

January day by day

The normal high and low for each date, in °C.

Normal daily high and low temperature at Norrtälje, in °C, with the record for each date.-20-10010151015202530
  • Normal low
  • Normal high
  • Reanalysis extreme high
  • Reanalysis extreme low

January at a glance

Average high
0°C
Average low
-4°C
Precipitation
47 mm
Reanalysis high
9°CJan 15, 2020
Reanalysis low
-17°CJan 6, 1996
Daylight
6 h 07 min to 7 h 58 min
Cloud cover
81%
Humidity
94%
Dew point
-3°C
Wind
15.8 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
Jan 10°C-4°C5°C 2017-15°C 199641%
Jan 20°C-4°C5°C 2020-16°C 199639%
Jan 30°C-4°C7°C 1992-16°C 199640%
Jan 40°C-4°C5°C 2007-14°C 199640%
Jan 50°C-4°C5°C 2007-17°C 199641%
Jan 60°C-4°C5°C 2020-17°C 199640%
Jan 70°C-4°C6°C 2005-14°C 200339%
Jan 80°C-4°C8°C 2020-15°C 201038%
Jan 90°C-4°C8°C 2007-15°C 201037%
Jan 100°C-3°C8°C 2007-11°C 199736%
Jan 110°C-3°C7°C 2005-14°C 200335%
Jan 120°C-3°C6°C 2020-11°C 199735%
Jan 130°C-3°C5°C 2005-10°C 201336%
Jan 140°C-3°C4°C 2020-12°C 201136%
Jan 150°C-3°C9°C 2020-13°C 201635%
Jan 160°C-3°C6°C 2007-11°C 201635%
Jan 170°C-4°C5°C 1993-13°C 199435%
Jan 180°C-4°C5°C 1993-14°C 199434%
Jan 190°C-4°C5°C 2008-14°C 201333%
Jan 20-1°C-4°C5°C 2020-9°C 201332%
Jan 21-1°C-4°C5°C 1999-11°C 201933%
Jan 22-1°C-4°C4°C 1993-15°C 200434%
Jan 23-1°C-4°C3°C 2020-15°C 200434%
Jan 24-1°C-4°C5°C 2008-10°C 201334%
Jan 25-1°C-4°C5°C 2018-13°C 201336%
Jan 26-1°C-4°C5°C 2020-13°C 200237%
Jan 27-1°C-4°C4°C 2020-12°C 201138%
Jan 28-1°C-4°C4°C 2016-12°C 199537%
Jan 29-1°C-5°C6°C 2016-10°C 201037%
Jan 30-1°C-5°C5°C 2016-13°C 199538%
Jan 31-1°C-5°C3°C 2006-12°C 200338%

Chance of rain

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

Sunrise and sunset

Times for 2026, local time (GMT+1).

January 1
sunrise 8:45 AM, sunset 2:52 PM
January 31
sunrise 8:00 AM, sunset 3:58 PM

Every day of January: 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.