Challans climate

Challans Weather in July

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 23°C on July 1 to 24°C on July 31, and lows from 14°C to 15°C. Normal precipitation for the month is 43 mm over about 9 wet days.

July 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

July at a glance

Average high
24°C
Average low
15°C
Precipitation
43 mm
Reanalysis high
35°CJul 18, 2006
Reanalysis low
9°CJul 12, 2000
Daylight
15 h 48 min to 14 h 55 min
Cloud cover
60%
Humidity
75%
Dew point
14°C
Wind
15.5 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
Jul 123°C14°C31°C 200910°C 201132%
Jul 223°C14°C31°C 200611°C 199732%
Jul 323°C14°C28°C 201412°C 199732%
Jul 423°C14°C30°C 19919°C 199832%
Jul 523°C14°C30°C 201710°C 199733%
Jul 623°C14°C30°C 20199°C 199634%
Jul 723°C14°C30°C 201710°C 202034%
Jul 823°C14°C31°C 201710°C 199632%
Jul 923°C14°C29°C 199510°C 199630%
Jul 1023°C14°C30°C 199110°C 199329%
Jul 1123°C14°C30°C 200510°C 202028%
Jul 1223°C14°C29°C 20059°C 200026%
Jul 1324°C14°C31°C 200310°C 200824%
Jul 1424°C14°C32°C 200510°C 199824%
Jul 1524°C14°C34°C 200510°C 200123%
Jul 1624°C15°C33°C 20069°C 200024%
Jul 1724°C15°C34°C 200612°C 200024%
Jul 1824°C15°C35°C 200610°C 200024%
Jul 1924°C15°C31°C 201611°C 201124%
Jul 2024°C15°C32°C 199510°C 200125%
Jul 2124°C15°C31°C 200611°C 200825%
Jul 2224°C15°C32°C 19919°C 200826%
Jul 2324°C15°C34°C 201911°C 199527%
Jul 2424°C15°C32°C 201911°C 201127%
Jul 2524°C15°C33°C 200612°C 199826%
Jul 2624°C15°C31°C 201212°C 199326%
Jul 2724°C15°C29°C 200513°C 202026%
Jul 2824°C15°C31°C 199112°C 199226%
Jul 2924°C15°C32°C 199212°C 201526%
Jul 3024°C15°C32°C 199210°C 201528%
Jul 3124°C15°C31°C 200411°C 200728%

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).

July 1
sunrise 6:17 AM, sunset 10:05 PM
July 31
sunrise 6:46 AM, sunset 9:41 PM

Every day of July: 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.