Brest climate

Brest Weather in August

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

Average highs run from 27°C on August 1 to 23°C on August 31, and lows from 16°C to 12°C. Normal precipitation for the month is 62 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 Brest, 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
26°C
Average low
14°C
Precipitation
62 mm
Reanalysis high
37°CAug 9, 2015
Reanalysis low
6°CAug 29, 1998
Daylight
15 h 30 min to 13 h 40 min
Cloud cover
61%
Humidity
63%
Dew point
12°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 127°C16°C36°C 199410°C 200738%
Aug 227°C16°C36°C 199411°C 199339%
Aug 327°C16°C37°C 199812°C 199338%
Aug 427°C16°C36°C 199210°C 201138%
Aug 527°C16°C34°C 201511°C 199638%
Aug 627°C15°C35°C 199411°C 201138%
Aug 726°C15°C36°C 201511°C 200538%
Aug 826°C15°C36°C 201510°C 200538%
Aug 926°C15°C37°C 20159°C 199636%
Aug 1026°C15°C36°C 199210°C 200035%
Aug 1126°C15°C35°C 20179°C 201136%
Aug 1226°C15°C36°C 20158°C 201635%
Aug 1326°C15°C32°C 201010°C 200534%
Aug 1426°C14°C34°C 201011°C 199934%
Aug 1526°C14°C34°C 20108°C 200433%
Aug 1626°C14°C34°C 20089°C 199733%
Aug 1726°C14°C32°C 200110°C 199731%
Aug 1825°C14°C33°C 200110°C 199332%
Aug 1925°C14°C33°C 20199°C 199332%
Aug 2025°C14°C33°C 19959°C 199332%
Aug 2125°C14°C32°C 20009°C 201430%
Aug 2225°C13°C33°C 20077°C 201429%
Aug 2325°C13°C34°C 20079°C 200429%
Aug 2425°C13°C33°C 19958°C 199829%
Aug 2525°C13°C32°C 20159°C 201331%
Aug 2624°C13°C30°C 20097°C 199331%
Aug 2724°C13°C31°C 20167°C 199830%
Aug 2824°C13°C33°C 20156°C 199831%
Aug 2923°C12°C36°C 19926°C 199831%
Aug 3023°C12°C35°C 19927°C 199332%
Aug 3123°C12°C36°C 19929°C 199534%

Chance of rain

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

Sunrise and sunset

Times for 2026, local time (GMT+3).

August 1
sunrise 5:46 AM, sunset 9:16 PM
August 31
sunrise 6:35 AM, sunset 8:15 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.