Chartres climate

Chartres Weather in August

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

Average highs run from 26°C on August 1 to 23°C on August 31, and lows from 14°C to 12°C. Normal precipitation for the month is 50 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 Chartres, 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
25°C
Average low
13°C
Precipitation
50 mm
Reanalysis high
39°CAug 11, 2003
Reanalysis low
6°CAug 24, 2014
Daylight
15 h 02 min to 13 h 28 min
Cloud cover
63%
Humidity
72%
Dew point
13°C
Wind
13.7 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 126°C14°C33°C 19929°C 200729%
Aug 226°C14°C32°C 200410°C 201529%
Aug 325°C14°C34°C 200310°C 199829%
Aug 425°C14°C35°C 20039°C 202028%
Aug 525°C13°C37°C 200310°C 199830%
Aug 625°C13°C39°C 20039°C 201730%
Aug 725°C13°C37°C 20039°C 199631%
Aug 825°C13°C37°C 20038°C 200532%
Aug 925°C13°C37°C 20038°C 200532%
Aug 1025°C13°C38°C 20039°C 201132%
Aug 1125°C13°C39°C 20038°C 201631%
Aug 1225°C13°C38°C 200310°C 200131%
Aug 1325°C13°C34°C 20038°C 199331%
Aug 1425°C13°C31°C 19919°C 201330%
Aug 1525°C13°C32°C 20099°C 199431%
Aug 1625°C13°C32°C 20098°C 201430%
Aug 1725°C13°C31°C 20129°C 200731%
Aug 1825°C13°C36°C 20129°C 200731%
Aug 1925°C13°C35°C 20098°C 201430%
Aug 2025°C13°C30°C 19937°C 201429%
Aug 2125°C13°C31°C 19918°C 201429%
Aug 2224°C13°C30°C 20189°C 201429%
Aug 2324°C13°C32°C 19979°C 201428%
Aug 2424°C13°C34°C 20166°C 201429%
Aug 2524°C12°C34°C 20168°C 200628%
Aug 2624°C12°C32°C 20197°C 199328%
Aug 2724°C12°C32°C 20199°C 199828%
Aug 2824°C12°C29°C 19917°C 199828%
Aug 2923°C12°C32°C 20177°C 199327%
Aug 3023°C12°C29°C 20057°C 201127%
Aug 3123°C12°C32°C 20057°C 200327%

Chance of rain

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

Sunrise and sunset

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

August 1
sunrise 6:29 AM, sunset 9:31 PM
August 31
sunrise 7:10 AM, sunset 8:38 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.