Helsinki climate

Helsinki Weather in March

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

Average highs run from -2°C on March 1 to 2°C on March 31, and lows from -5°C to -2°C. Normal precipitation for the month is 43 mm over about 9 wet days.

March day by day

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

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

March at a glance

Average high
0°C
Average low
-3°C
Precipitation
43 mm
Reanalysis high
9°CMar 26, 2007
Reanalysis low
-18°CMar 1, 1994
Daylight
10 h 28 min to 13 h 13 min
Cloud cover
65%
Humidity
90%
Dew point
-3°C
Wind
17.6 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
Mar 1-2°C-5°C3°C 2020-18°C 199437%
Mar 2-1°C-5°C4°C 1997-15°C 199437%
Mar 3-1°C-5°C4°C 1997-13°C 199438%
Mar 4-1°C-5°C3°C 1992-13°C 200438%
Mar 5-1°C-4°C3°C 2020-14°C 200436%
Mar 6-1°C-4°C4°C 2020-12°C 201036%
Mar 7-1°C-4°C3°C 1997-11°C 201035%
Mar 8-1°C-4°C5°C 2015-13°C 201234%
Mar 9-1°C-4°C5°C 2015-12°C 201234%
Mar 100°C-4°C5°C 1997-12°C 199834%
Mar 110°C-4°C5°C 2014-12°C 200634%
Mar 120°C-4°C5°C 2014-12°C 199834%
Mar 130°C-4°C6°C 2014-14°C 199833%
Mar 140°C-4°C4°C 2014-12°C 199833%
Mar 150°C-4°C4°C 2015-15°C 201334%
Mar 160°C-3°C4°C 2020-15°C 201334%
Mar 170°C-3°C6°C 2015-14°C 201332%
Mar 180°C-3°C5°C 2015-16°C 201331%
Mar 191°C-3°C5°C 2020-10°C 201331%
Mar 201°C-3°C3°C 1992-11°C 200131%
Mar 211°C-3°C5°C 2012-13°C 200331%
Mar 221°C-3°C5°C 1992-13°C 201331%
Mar 231°C-3°C4°C 2012-9°C 200132%
Mar 241°C-3°C5°C 2015-10°C 200132%
Mar 251°C-3°C7°C 2007-9°C 200131%
Mar 262°C-2°C9°C 2007-12°C 200131%
Mar 272°C-2°C7°C 2007-9°C 201331%
Mar 282°C-2°C7°C 2007-10°C 199431%
Mar 292°C-2°C7°C 2007-7°C 199432%
Mar 302°C-2°C6°C 2007-6°C 201132%
Mar 312°C-2°C7°C 2008-8°C 201133%

Chance of rain

The chance of at least 1 mm of precipitation in the reanalysis on each date at Helsinki, in percent.0102030401102030
  • Chance of a wet day

Sunrise and sunset

Times for 2026, local time (GMT+2).

March 1
sunrise 7:19 AM, sunset 5:47 PM
March 31
sunrise 6:49 AM, sunset 8:02 PM

Every day of March: 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 2026-09-24. Sun and moon: computed with the NOAA solar equations and Meeus.