Challans climate

Challans Weather in August

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

Average highs run from 24°C on August 1 to 23°C on August 31, and lows from 15°C to 14°C. Normal precipitation for the month is 47 mm over about 9 wet days.

August day by day

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

Normal daily high and low temperature at Challans, in °C, with the record for each date.010203040151015202530
  • Normal low
  • Normal high
  • Reanalysis extreme high
  • Reanalysis extreme low

August at a glance

Average high
24°C
Average low
15°C
Precipitation
47 mm
Reanalysis high
36°CAug 9, 2003
Reanalysis low
9°CAug 28, 1998
Daylight
14 h 53 min to 13 h 23 min
Cloud cover
59%
Humidity
75%
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 124°C15°C32°C 200410°C 201528%
Aug 224°C15°C30°C 201812°C 199828%
Aug 324°C15°C33°C 201812°C 199829%
Aug 424°C15°C34°C 200311°C 202028%
Aug 524°C15°C34°C 200311°C 199827%
Aug 624°C15°C34°C 200312°C 201727%
Aug 724°C15°C35°C 200310°C 199628%
Aug 824°C15°C35°C 200311°C 199628%
Aug 924°C15°C36°C 200310°C 200728%
Aug 1024°C15°C35°C 200310°C 200128%
Aug 1124°C15°C31°C 202010°C 200130%
Aug 1224°C15°C30°C 201511°C 201630%
Aug 1324°C15°C34°C 200311°C 199330%
Aug 1424°C15°C32°C 199111°C 201029%
Aug 1524°C15°C31°C 199711°C 200829%
Aug 1624°C15°C31°C 201610°C 201528%
Aug 1724°C15°C32°C 201211°C 201528%
Aug 1824°C15°C30°C 201212°C 201529%
Aug 1924°C15°C29°C 199610°C 201429%
Aug 2024°C15°C31°C 199311°C 199929%
Aug 2124°C15°C32°C 199312°C 201429%
Aug 2224°C15°C31°C 201712°C 201428%
Aug 2324°C15°C30°C 201611°C 200828%
Aug 2424°C15°C31°C 201911°C 200528%
Aug 2524°C14°C32°C 201611°C 199328%
Aug 2624°C14°C32°C 19919°C 199326%
Aug 2724°C14°C31°C 199112°C 199625%
Aug 2824°C14°C32°C 19919°C 199825%
Aug 2923°C14°C31°C 201710°C 199525%
Aug 3023°C14°C31°C 199110°C 199324%
Aug 3123°C14°C28°C 200910°C 201024%

Chance of rain

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

Sunrise and sunset

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

August 1
sunrise 6:47 AM, sunset 9:40 PM
August 31
sunrise 7:26 AM, sunset 8:49 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 2026-09-25. Sun and moon: computed with the NOAA solar equations and Meeus.