La Mesa climate

La Mesa Weather in August

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

Average highs run from 20°C on August 1 to 20°C on August 31, and lows from 10°C to 10°C. Normal precipitation for the month is 130 mm over about 22 wet days.

August day by day

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

Normal daily high and low temperature at La Mesa, in °C, with the record for each date.510152025151015202530
  • Normal low
  • Normal high
  • Reanalysis extreme high
  • Reanalysis extreme low

August at a glance

Average high
20°C
Average low
10°C
Precipitation
130 mm
Reanalysis high
24°CAug 8, 2008
Reanalysis low
6°CAug 17, 1996
Daylight
12 h 20 min to 12 h 13 min
Cloud cover
82%
Humidity
82%
Dew point
11°C
Wind
6.8 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 120°C10°C23°C 20088°C 200273%
Aug 220°C10°C23°C 20058°C 202073%
Aug 320°C10°C23°C 20098°C 200272%
Aug 420°C10°C24°C 20088°C 199172%
Aug 520°C10°C23°C 20088°C 200071%
Aug 620°C10°C23°C 20038°C 200071%
Aug 720°C10°C24°C 20089°C 199271%
Aug 820°C10°C24°C 20089°C 201173%
Aug 920°C10°C24°C 20088°C 199874%
Aug 1020°C10°C23°C 20068°C 200274%
Aug 1120°C10°C22°C 20208°C 200074%
Aug 1220°C10°C22°C 20038°C 201875%
Aug 1320°C10°C23°C 20068°C 199176%
Aug 1420°C10°C23°C 20088°C 200476%
Aug 1520°C10°C23°C 20038°C 199976%
Aug 1620°C10°C23°C 20087°C 201876%
Aug 1720°C10°C22°C 20066°C 199675%
Aug 1820°C10°C23°C 20087°C 199676%
Aug 1920°C10°C23°C 20087°C 200077%
Aug 2020°C10°C24°C 20088°C 201278%
Aug 2120°C10°C22°C 20028°C 199478%
Aug 2220°C10°C22°C 20069°C 201777%
Aug 2320°C10°C23°C 20068°C 200476%
Aug 2420°C10°C23°C 20019°C 200175%
Aug 2520°C10°C23°C 20017°C 199274%
Aug 2620°C10°C23°C 20019°C 201174%
Aug 2720°C10°C23°C 20058°C 201872%
Aug 2820°C10°C22°C 20058°C 200772%
Aug 2920°C10°C22°C 20058°C 201472%
Aug 3020°C10°C23°C 20056°C 201474%
Aug 3120°C10°C23°C 20088°C 199974%

Chance of rain

The chance of at least 1 mm of precipitation in the reanalysis on each date at La Mesa, in percent.0204060801102030
  • Chance of a wet day

Sunrise and sunset

Times for 2026, local time (GMT-5).

August 1
sunrise 5:52 AM, sunset 6:12 PM
August 31
sunrise 5:49 AM, sunset 6:02 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.