Visby climate

Visby Weather in August

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

Average highs run from 21°C on August 1 to 18°C on August 31, and lows from 17°C to 15°C. Normal precipitation for the month is 65 mm over about 12 wet days.

August day by day

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

Normal daily high and low temperature at Visby, in °C, with the record for each date.1015202530151015202530
  • Normal low
  • Normal high
  • Reanalysis extreme high
  • Reanalysis extreme low

August at a glance

Average high
20°C
Average low
16°C
Precipitation
65 mm
Reanalysis high
27°CAug 2, 2018
Reanalysis low
10°CAug 28, 1998
Daylight
16 h 21 min to 14 h 03 min
Cloud cover
61%
Humidity
79%
Dew point
14°C
Wind
15.1 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
Aug 121°C17°C27°C 201813°C 199335%
Aug 221°C17°C27°C 201814°C 199336%
Aug 321°C17°C26°C 201413°C 199636%
Aug 421°C17°C26°C 199414°C 199836%
Aug 521°C17°C25°C 199414°C 199836%
Aug 620°C17°C24°C 200413°C 199337%
Aug 720°C17°C25°C 200413°C 199336%
Aug 820°C17°C26°C 201813°C 200536%
Aug 920°C17°C26°C 202011°C 199837%
Aug 1020°C17°C24°C 201814°C 201638%
Aug 1120°C16°C23°C 199712°C 201638%
Aug 1220°C16°C23°C 200212°C 201638%
Aug 1320°C16°C23°C 199713°C 201239%
Aug 1420°C16°C24°C 200213°C 199340%
Aug 1520°C16°C25°C 200213°C 199341%
Aug 1620°C16°C25°C 202015°C 200842%
Aug 1720°C16°C24°C 202013°C 199341%
Aug 1820°C16°C23°C 199713°C 199343%
Aug 1919°C16°C24°C 199513°C 199344%
Aug 2019°C16°C23°C 200213°C 199344%
Aug 2119°C16°C23°C 199714°C 199344%
Aug 2219°C16°C23°C 199712°C 199345%
Aug 2319°C16°C23°C 200212°C 199344%
Aug 2419°C16°C22°C 199711°C 199345%
Aug 2519°C15°C24°C 199712°C 199346%
Aug 2619°C15°C24°C 199712°C 199846%
Aug 2719°C15°C24°C 199711°C 200346%
Aug 2818°C15°C24°C 199710°C 199847%
Aug 2918°C15°C23°C 200212°C 201047%
Aug 3018°C15°C22°C 199711°C 199547%
Aug 3118°C15°C23°C 199711°C 200747%

Chance of rain

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

Sunrise and sunset

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

August 1
sunrise 4:42 AM, sunset 9:03 PM
August 31
sunrise 5:45 AM, sunset 7:48 PM

Every day of August: 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.