Mammoth Lakes climate

Mammoth Lakes Weather in August

NOAA 1991-2020 normals for Mammoth Lakes RS, 0.9 km from Mammoth Lakes

Average highs run from 79°F on August 1 to 76°F on August 31, and lows from 49°F to 45°F. Normal precipitation for the month is 0.49 in.

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 Lakes, in °F, with the record for each date.20406080100151015202530
  • Normal low
  • Normal high
  • Record high
  • Record low

August at a glance

Average high
77°F
Average low
47°F
Precipitation
0.49 in
Record high
88°FAug 1, 2000
Record low
30°FAug 31, 1999
Chance of a freeze
8%
Daylight
14 h 04 min to 13 h 01 min
Cloud cover
28%
Humidity
35%
Dew point
29°F
Wind
6.5 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 179°F49°F88°F 200038°F 19980%
Aug 279°F49°F87°F 200037°F 20040%
Aug 379°F49°F85°F 201238°F 20130%
Aug 478°F49°F86°F 199437°F 19960%
Aug 578°F49°F88°F 199840°F 20060%
Aug 678°F49°F85°F 199737°F 20060%
Aug 778°F49°F87°F 201839°F 19960%
Aug 878°F49°F87°F 199734°F 19990%
Aug 978°F49°F84°F 199638°F 19990%
Aug 1078°F48°F87°F 201835°F 19990%
Aug 1178°F48°F86°F 201836°F 20000%
Aug 1278°F48°F85°F 200236°F 19990%
Aug 1378°F48°F87°F 200239°F 19950%
Aug 1478°F48°F86°F 199840°F 19950%
Aug 1578°F48°F86°F 200236°F 20040%
Aug 1678°F48°F85°F 199435°F 20090%
Aug 1778°F48°F88°F 200837°F 20110%
Aug 1877°F47°F88°F 200835°F 19950%
Aug 1977°F47°F83°F 200334°F 19950%
Aug 2077°F47°F85°F 201536°F 19980%
Aug 2177°F47°F85°F 201534°F 19980%
Aug 2277°F47°F84°F 200934°F 19980%
Aug 2377°F47°F83°F 200836°F 20030%
Aug 2477°F46°F84°F 200736°F 19980%
Aug 2577°F46°F83°F 200139°F 20090%
Aug 2676°F46°F83°F 200139°F 20020%
Aug 2776°F46°F85°F 200133°F 20040%
Aug 2876°F46°F85°F 200133°F 19990%
Aug 2976°F45°F86°F 200834°F 19990%
Aug 3076°F45°F86°F 199831°F 20100%
Aug 3176°F45°F86°F 199630°F 19990%

Chance of rain

The chance of at least 0.01 inch of precipitation on each date at Mammoth Lakes, in percent, and of at least 0.1 inch of snowfall.00.21102030
  • Chance of a wet day
  • Chance of snowfall

Sunrise and sunset

Times for 2026, local time (PDT).

August 1
sunrise 6:00 AM, sunset 8:04 PM
August 31
sunrise 6:25 AM, sunset 7:26 PM

Every day of August: sun and moon

Other months

Sources

Normals: NOAA NCEI U.S. Climate Normals, 1991-2020, station USC00045280 (Mammoth Lakes RS), public domain. Records: NOAA GHCN-Daily, station USC00045280, 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.