La Mesa climate

La Mesa Weather in August

NOAA 1991-2020 normals for State Univ, 18.5 km from La Mesa

Average highs run from 95°F on August 1 to 92°F on August 31, and lows from 69°F to 66°F. Normal precipitation for the month is 1.73 in over about 8 wet days.

August day by day

The normal high and low for each date, and the record, in °F.

Normal daily high and low temperature at La Mesa, in °F, with the record for each date.5060708090100110151015202530
  • Normal low
  • Normal high
  • Record high
  • Record low

August at a glance

Average high
94°F
Average low
68°F
Precipitation
1.73 in
Record high
107°FAug 6, 2023
Record low
58°FAug 25, 2004
Chance of a freeze
0%
Days of 90°F or more
25.1
Daylight
13 h 42 min to 12 h 50 min
Cloud cover
51%
Humidity
44%
Dew point
54°F
Wind
6.9 mph

Every day of the month

A wet day has at least 0.01 inch of precipitation; snow means at least 0.1 inch of snowfall.

DateNormal highNormal lowRecord highRecord lowChance wetChance of snow
Aug 195°F69°F101°F 202262°F 201431%0%
Aug 294°F69°F102°F 201163°F 200931%0%
Aug 394°F69°F102°F 202262°F 200631%0%
Aug 494°F69°F103°F 202365°F 201630%0%
Aug 594°F69°F106°F 202365°F 201430%0%
Aug 694°F69°F107°F 202364°F 200230%0%
Aug 794°F69°F105°F 202365°F 200730%0%
Aug 894°F69°F103°F 201166°F 200730%0%
Aug 994°F69°F104°F 200364°F 201029%0%
Aug 1094°F68°F102°F 202064°F 201929%0%
Aug 1194°F68°F104°F 202062°F 201329%0%
Aug 1294°F68°F104°F 202062°F 202129%0%
Aug 1394°F68°F104°F 202062°F 200428%0%
Aug 1494°F68°F104°F 202062°F 200428%0%
Aug 1594°F68°F105°F 202061°F 200528%0%
Aug 1694°F68°F102°F 202462°F 200428%0%
Aug 1794°F68°F102°F 202461°F 200427%0%
Aug 1894°F68°F101°F 201564°F 200427%0%
Aug 1994°F68°F101°F 200760°F 200427%0%
Aug 2094°F67°F103°F 202661°F 200426%0%
Aug 2193°F67°F103°F 200762°F 200826%0%
Aug 2293°F67°F101°F 202062°F 201626%0%
Aug 2393°F67°F101°F 201062°F 201425%0%
Aug 2493°F67°F101°F 200262°F 201725%0%
Aug 2593°F67°F105°F 202658°F 200425%0%
Aug 2693°F67°F103°F 200260°F 200425%0%
Aug 2793°F66°F102°F 200261°F 200424%0%
Aug 2893°F66°F102°F 200260°F 200424%0%
Aug 2992°F66°F101°F 202060°F 201424%0%
Aug 3092°F66°F102°F 201160°F 200423%0%
Aug 3192°F66°F101°F 201160°F 200423%0%

Chance of rain

The chance of at least 0.01 inch of precipitation on each date at La Mesa, in percent, and of at least 0.1 inch of snowfall.0102030401102030
  • Chance of a wet day
  • Chance of snowfall

Sunrise and sunset

Times for 2026, local time (MDT).

August 1
sunrise 6:22 AM, sunset 8:04 PM
August 31
sunrise 6:42 AM, sunset 7:32 PM

Every day of August: sun and moon

Other months

Sources

Normals: NOAA NCEI U.S. Climate Normals, 1991-2020, station USC00298535 (State Univ), public domain. Records: NOAA GHCN-Daily, station USC00298127, every year on file, quality-flagged values removed. Cloud, humidity, wind and sunshine: 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.