Jämsä climate

Jämsä Weather in April

NASA POWER reanalysis for the half-degree grid cell around Jämsä, 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 April 1 to 10°C on April 30, and lows from -4°C to 2°C. Normal precipitation for the month is 51 mm over about 12 wet days.

April day by day

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

Normal daily high and low temperature at Jämsä, in °C, with the record for each date.-20-1001020151015202530
  • Normal low
  • Normal high
  • Reanalysis extreme high
  • Reanalysis extreme low

April at a glance

Average high
6°C
Average low
-1°C
Precipitation
51 mm
Reanalysis high
19°CApr 29, 1998
Reanalysis low
-15°CApr 2, 1998
Daylight
13 h 24 min to 16 h 15 min
Cloud cover
66%
Humidity
85%
Dew point
0°C
Wind
10.4 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
Apr 12°C-4°C9°C 2007-15°C 199836%
Apr 22°C-4°C11°C 2008-15°C 199838%
Apr 32°C-3°C8°C 2019-15°C 199838%
Apr 43°C-3°C10°C 2008-10°C 201239%
Apr 53°C-3°C11°C 2005-14°C 199837%
Apr 63°C-3°C11°C 2019-10°C 200338%
Apr 74°C-3°C10°C 2020-9°C 201238%
Apr 84°C-2°C10°C 2004-10°C 200338%
Apr 94°C-2°C9°C 2004-11°C 199837%
Apr 104°C-2°C9°C 2016-11°C 199838%
Apr 115°C-2°C11°C 1991-8°C 201339%
Apr 125°C-2°C13°C 2015-8°C 199839%
Apr 135°C-1°C12°C 1991-8°C 199738%
Apr 146°C-1°C12°C 2007-5°C 199837%
Apr 156°C-1°C16°C 2007-6°C 201736%
Apr 166°C-1°C17°C 2007-7°C 201736%
Apr 177°C-1°C13°C 2019-5°C 201736%
Apr 187°C-1°C16°C 1999-5°C 201734%
Apr 198°C0°C14°C 2000-4°C 200535%
Apr 208°C0°C17°C 1999-4°C 199336%
Apr 218°C0°C16°C 2003-5°C 199237%
Apr 228°C0°C17°C 2003-6°C 199137%
Apr 239°C1°C16°C 2019-6°C 199237%
Apr 249°C1°C17°C 2011-6°C 199236%
Apr 259°C1°C19°C 2011-6°C 199236%
Apr 269°C1°C17°C 2011-2°C 199735%
Apr 2710°C1°C17°C 2019-2°C 202036%
Apr 2810°C2°C15°C 2009-3°C 201737%
Apr 2910°C2°C19°C 1998-3°C 200738%
Apr 3010°C2°C19°C 1998-3°C 202036%

Chance of rain

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

Sunrise and sunset

Times for 2026, local time (GMT+3).

April 1
sunrise 6:42 AM, sunset 8:06 PM
April 30
sunrise 5:10 AM, sunset 9:25 PM

Every day of April: 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.