Mammoth Lakes climate

Mammoth Lakes Weather in May

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

Average highs run from 56°F on May 1 to 65°F on May 31, and lows from 31°F to 38°F. Normal precipitation for the month is 1.49 in.

May 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.020406080100151015202530
  • Normal low
  • Normal high
  • Record high
  • Record low

May at a glance

Average high
60°F
Average low
35°F
Precipitation
1.49 in
Snowfall
1.6 in
Record high
81°FMay 19, 2008
Record low
13°FMay 11, 2000
Chance of a freeze
100%
Daylight
13 h 46 min to 14 h 35 min
Cloud cover
52%
Humidity
58%
Dew point
28°F
Wind
8.1 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
May 156°F31°F71°F 199615°F 20023%
May 256°F31°F69°F 199623°F 20023%
May 356°F31°F71°F 200420°F 20013%
May 457°F32°F73°F 200422°F 19993%
May 557°F32°F69°F 200424°F 20033%
May 657°F32°F69°F 200117°F 20072%
May 758°F32°F73°F 200123°F 20102%
May 858°F33°F71°F 200123°F 20022%
May 958°F33°F75°F 201815°F 20032%
May 1059°F33°F73°F 200115°F 20052%
May 1159°F33°F72°F 199413°F 20002%
May 1259°F34°F75°F 199618°F 20002%
May 1360°F34°F77°F 199621°F 19982%
May 1460°F34°F74°F 199725°F 19982%
May 1560°F34°F74°F 200620°F 20112%
May 1661°F35°F72°F 199718°F 19952%
May 1761°F35°F78°F 200824°F 19952%
May 1861°F35°F80°F 200823°F 19982%
May 1961°F35°F81°F 200825°F 20202%
May 2062°F36°F79°F 200824°F 19942%
May 2162°F36°F75°F 200021°F 20022%
May 2262°F36°F76°F 200122°F 20022%
May 2363°F36°F78°F 200120°F 20102%
May 2463°F36°F76°F 200124°F 19962%
May 2563°F37°F75°F 200124°F 20101%
May 2664°F37°F75°F 199424°F 19981%
May 2764°F37°F76°F 200321°F 19981%
May 2864°F37°F80°F 200323°F 20061%
May 2965°F37°F80°F 200321°F 20111%
May 3065°F38°F79°F 200118°F 20111%
May 3165°F38°F81°F 200127°F 19981%

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.01231102030
  • Chance of a wet day
  • Chance of snowfall

Sunrise and sunset

Times for 2026, local time (PDT).

May 1
sunrise 6:00 AM, sunset 7:46 PM
May 31
sunrise 5:36 AM, sunset 8:11 PM

Every day of May: 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.