Mammoth climate

Mammoth Weather in August

NOAA 1991-2020 normals for San Manuel, 13.6 km from Mammoth

Average highs run from 95°F on August 1 to 93°F on August 31, and lows from 71°F to 69°F. Normal precipitation for the month is 2.78 in over about 10 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 Mammoth, in °F, with the record for each date.406080100120151015202530
  • Normal low
  • Normal high
  • Record high
  • Record low

August at a glance

Average high
94°F
Average low
71°F
Precipitation
2.78 in
Record high
110°FAug 6, 2025
Record low
51°FAug 17, 1959
Chance of a freeze
0%
Days of 90°F or more
26.6
Daylight
13 h 44 min to 12 h 51 min
Cloud cover
52%
Humidity
48%
Dew point
57°F
Wind
5.6 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°F71°F109°F 197265°F 196134%0%
Aug 295°F71°F103°F 196960°F 195934%0%
Aug 395°F71°F105°F 197558°F 195934%0%
Aug 495°F71°F107°F 196960°F 195934%0%
Aug 595°F71°F107°F 196958°F 195934%0%
Aug 695°F71°F110°F 202560°F 195933%0%
Aug 795°F71°F108°F 202558°F 195933%0%
Aug 895°F71°F106°F 201260°F 195933%0%
Aug 995°F71°F104°F 202062°F 195933%0%
Aug 1095°F71°F104°F 202061°F 197733%0%
Aug 1195°F71°F105°F 196260°F 195933%0%
Aug 1295°F71°F104°F 196262°F 195932%0%
Aug 1394°F71°F104°F 201260°F 195932%0%
Aug 1494°F71°F106°F 202057°F 195932%0%
Aug 1594°F71°F106°F 202058°F 196132%0%
Aug 1694°F71°F104°F 196255°F 195931%0%
Aug 1794°F71°F103°F 196251°F 195931%0%
Aug 1894°F71°F104°F 197357°F 195931%0%
Aug 1994°F71°F105°F 202058°F 195930%0%
Aug 2094°F71°F103°F 201955°F 195930%0%
Aug 2194°F71°F104°F 201956°F 195930%0%
Aug 2294°F71°F101°F 197260°F 195930%0%
Aug 2394°F70°F104°F 197260°F 196829%0%
Aug 2494°F70°F103°F 201159°F 195929%0%
Aug 2594°F70°F101°F 197460°F 195928%0%
Aug 2694°F70°F101°F 201160°F 195928%0%
Aug 2794°F70°F104°F 202060°F 195928%0%
Aug 2893°F70°F103°F 202360°F 197727%0%
Aug 2993°F70°F105°F 202359°F 196127%0%
Aug 3093°F70°F102°F 197059°F 195826%0%
Aug 3193°F69°F103°F 197054°F 196126%0%

Chance of rain

The chance of at least 0.01 inch of precipitation on each date at Mammoth, 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 (MST).

August 1
sunrise 5:37 AM, sunset 7:21 PM
August 31
sunrise 5:57 AM, sunset 6:48 PM

Every day of August: sun and moon

Other months

Sources

Normals: NOAA NCEI U.S. Climate Normals, 1991-2020, station USC00027530 (San Manuel), public domain. Records: NOAA GHCN-Daily, station USC00027530, 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 2026-09-25. Sun and moon: computed with the NOAA solar equations and Meeus.