Vänersborg climate

Vänersborg Weather in May

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

Average highs run from 13°C on May 1 to 17°C on May 31, and lows from 5°C to 9°C. Normal precipitation for the month is 68 mm over about 12 wet days.

May day by day

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

Normal daily high and low temperature at Vänersborg, in °C, with the record for each date.-100102030151015202530
  • Normal low
  • Normal high
  • Reanalysis extreme high
  • Reanalysis extreme low

May at a glance

Average high
15°C
Average low
7°C
Precipitation
68 mm
Reanalysis high
27°CMay 24, 2018
Reanalysis low
-1°CMay 1, 1995
Daylight
15 h 43 min to 17 h 46 min
Cloud cover
68%
Humidity
78%
Dew point
7°C
Wind
10.1 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
May 113°C5°C20°C 1998-1°C 199538%
May 213°C5°C21°C 19931°C 201338%
May 313°C5°C16°C 20080°C 201338%
May 413°C5°C19°C 20060°C 199738%
May 513°C5°C20°C 20041°C 201938%
May 613°C5°C19°C 20041°C 201238%
May 714°C6°C21°C 20160°C 199140%
May 814°C6°C23°C 20161°C 199638%
May 914°C6°C24°C 20162°C 199639%
May 1014°C6°C25°C 20161°C 199240%
May 1114°C6°C21°C 20021°C 199940%
May 1214°C6°C22°C 20010°C 199941%
May 1314°C6°C23°C 20180°C 202043%
May 1415°C7°C23°C 20180°C 199543%
May 1515°C7°C27°C 20180°C 199545%
May 1615°C7°C27°C 20183°C 199546%
May 1715°C7°C22°C 20132°C 199646%
May 1815°C7°C23°C 20131°C 199647%
May 1915°C7°C24°C 20171°C 199647%
May 2015°C8°C23°C 20172°C 199646%
May 2116°C8°C23°C 19932°C 199748%
May 2216°C8°C26°C 19922°C 199747%
May 2316°C8°C26°C 20143°C 199648%
May 2416°C8°C27°C 20183°C 199148%
May 2516°C9°C26°C 20124°C 199147%
May 2617°C9°C25°C 20184°C 199846%
May 2717°C9°C23°C 20175°C 201045%
May 2817°C9°C23°C 19924°C 201044%
May 2917°C9°C24°C 20185°C 199643%
May 3017°C9°C27°C 20084°C 199742%
May 3117°C9°C26°C 19926°C 199742%

Chance of rain

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

Sunrise and sunset

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

May 1
sunrise 5:17 AM, sunset 9:00 PM
May 31
sunrise 4:16 AM, sunset 10:02 PM

Every day of May: 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.