Biel/Bienne climate

Biel/Bienne Weather in April

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

Average highs run from 10°C on April 1 to 14°C on April 30, and lows from 1°C to 5°C. Normal precipitation for the month is 84 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 Biel/Bienne, in °C, with the record for each date.-100102030151015202530
  • Normal low
  • Normal high
  • Reanalysis extreme high
  • Reanalysis extreme low

April at a glance

Average high
12°C
Average low
3°C
Precipitation
84 mm
Reanalysis high
23°CApr 28, 2012
Reanalysis low
-7°CApr 14, 1998
Daylight
12 h 50 min to 14 h 23 min
Cloud cover
69%
Humidity
81%
Dew point
4°C
Wind
12.6 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
Apr 110°C1°C17°C 2011-5°C 201342%
Apr 210°C1°C19°C 2011-4°C 199642%
Apr 310°C1°C18°C 2014-4°C 199641%
Apr 410°C1°C16°C 1995-4°C 199641%
Apr 510°C2°C16°C 1995-5°C 201941%
Apr 610°C2°C18°C 2011-5°C 200641%
Apr 711°C2°C20°C 2011-5°C 200340%
Apr 811°C2°C19°C 2018-6°C 200341%
Apr 911°C2°C19°C 2017-4°C 200542%
Apr 1011°C2°C18°C 2020-5°C 200542%
Apr 1111°C2°C19°C 2020-4°C 199442%
Apr 1211°C2°C19°C 2007-3°C 199741%
Apr 1311°C2°C20°C 2007-6°C 199841%
Apr 1411°C2°C20°C 2007-7°C 199841%
Apr 1511°C2°C21°C 2007-3°C 199640%
Apr 1612°C3°C20°C 2007-3°C 199740%
Apr 1712°C3°C20°C 2013-4°C 199240%
Apr 1812°C3°C19°C 2018-3°C 199740%
Apr 1912°C3°C22°C 2018-3°C 201741%
Apr 2012°C3°C23°C 2018-4°C 201742%
Apr 2113°C4°C23°C 2018-5°C 199143%
Apr 2213°C4°C22°C 2018-5°C 199745%
Apr 2313°C4°C21°C 2007-3°C 199746%
Apr 2413°C4°C21°C 2007-3°C 199147%
Apr 2513°C4°C22°C 2007-2°C 201649%
Apr 2614°C5°C21°C 20070°C 201649%
Apr 2714°C5°C22°C 1993-2°C 201650%
Apr 2814°C5°C23°C 20120°C 201652%
Apr 2914°C5°C21°C 2018-1°C 200652%
Apr 3014°C5°C22°C 2005-2°C 200653%

Chance of rain

The chance of at least 1 mm of precipitation in the reanalysis on each date at Biel/Bienne, in percent.02040601102030
  • Chance of a wet day

Sunrise and sunset

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

April 1
sunrise 7:10 AM, sunset 8:00 PM
April 30
sunrise 6:17 AM, sunset 8:40 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 2026-09-24. Sun and moon: computed with the NOAA solar equations and Meeus.