Saint-Lô climate

Saint-Lô Weather in August

NASA POWER reanalysis for the half-degree grid cell around Saint-Lô, 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 August 1 to 21°C on August 31, and lows from 14°C to 13°C. Normal precipitation for the month is 56 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 Saint-Lô, 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
22°C
Average low
13°C
Precipitation
56 mm
Reanalysis high
36°CAug 9, 2003
Reanalysis low
8°CAug 31, 2010
Daylight
15 h 07 min to 13 h 30 min
Cloud cover
64%
Humidity
80%
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
Aug 123°C14°C32°C 20049°C 201535%
Aug 223°C14°C29°C 200410°C 201535%
Aug 323°C14°C32°C 199511°C 199635%
Aug 423°C14°C33°C 200311°C 202035%
Aug 523°C14°C36°C 200311°C 199835%
Aug 623°C14°C30°C 201810°C 199335%
Aug 723°C14°C34°C 202011°C 199336%
Aug 823°C14°C33°C 199211°C 200736%
Aug 923°C14°C36°C 200310°C 201738%
Aug 1023°C14°C35°C 200311°C 201637%
Aug 1123°C14°C35°C 200310°C 200137%
Aug 1222°C14°C31°C 200311°C 201637%
Aug 1322°C14°C30°C 200311°C 199337%
Aug 1422°C14°C27°C 200110°C 199436%
Aug 1522°C14°C27°C 19978°C 199237%
Aug 1622°C14°C28°C 199710°C 201537%
Aug 1722°C14°C28°C 201211°C 201537%
Aug 1822°C13°C28°C 199610°C 199438%
Aug 1922°C14°C29°C 199610°C 201438%
Aug 2022°C13°C29°C 199710°C 201437%
Aug 2122°C13°C31°C 19919°C 201436%
Aug 2222°C13°C28°C 201710°C 200034%
Aug 2322°C13°C29°C 20169°C 201434%
Aug 2422°C13°C29°C 201910°C 201433%
Aug 2522°C13°C29°C 20019°C 199332%
Aug 2622°C13°C26°C 20039°C 199331%
Aug 2721°C13°C29°C 200310°C 199831%
Aug 2821°C13°C28°C 201710°C 199832%
Aug 2921°C13°C27°C 20179°C 199332%
Aug 3021°C13°C28°C 20059°C 201031%
Aug 3121°C13°C29°C 20058°C 201030%

Chance of rain

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

Sunrise and sunset

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

August 1
sunrise 6:37 AM, sunset 9:44 PM
August 31
sunrise 7:19 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 2026-09-24. Sun and moon: computed with the NOAA solar equations and Meeus.