Mammoth Lakes Weather in May
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 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.
| Date | Normal high | Normal low | Record high | Record low | Chance wet | Chance of snow |
|---|---|---|---|---|---|---|
| May 1 | 56°F | 31°F | 71°F 1996 | 15°F 2002 | 3% | |
| May 2 | 56°F | 31°F | 69°F 1996 | 23°F 2002 | 3% | |
| May 3 | 56°F | 31°F | 71°F 2004 | 20°F 2001 | 3% | |
| May 4 | 57°F | 32°F | 73°F 2004 | 22°F 1999 | 3% | |
| May 5 | 57°F | 32°F | 69°F 2004 | 24°F 2003 | 3% | |
| May 6 | 57°F | 32°F | 69°F 2001 | 17°F 2007 | 2% | |
| May 7 | 58°F | 32°F | 73°F 2001 | 23°F 2010 | 2% | |
| May 8 | 58°F | 33°F | 71°F 2001 | 23°F 2002 | 2% | |
| May 9 | 58°F | 33°F | 75°F 2018 | 15°F 2003 | 2% | |
| May 10 | 59°F | 33°F | 73°F 2001 | 15°F 2005 | 2% | |
| May 11 | 59°F | 33°F | 72°F 1994 | 13°F 2000 | 2% | |
| May 12 | 59°F | 34°F | 75°F 1996 | 18°F 2000 | 2% | |
| May 13 | 60°F | 34°F | 77°F 1996 | 21°F 1998 | 2% | |
| May 14 | 60°F | 34°F | 74°F 1997 | 25°F 1998 | 2% | |
| May 15 | 60°F | 34°F | 74°F 2006 | 20°F 2011 | 2% | |
| May 16 | 61°F | 35°F | 72°F 1997 | 18°F 1995 | 2% | |
| May 17 | 61°F | 35°F | 78°F 2008 | 24°F 1995 | 2% | |
| May 18 | 61°F | 35°F | 80°F 2008 | 23°F 1998 | 2% | |
| May 19 | 61°F | 35°F | 81°F 2008 | 25°F 2020 | 2% | |
| May 20 | 62°F | 36°F | 79°F 2008 | 24°F 1994 | 2% | |
| May 21 | 62°F | 36°F | 75°F 2000 | 21°F 2002 | 2% | |
| May 22 | 62°F | 36°F | 76°F 2001 | 22°F 2002 | 2% | |
| May 23 | 63°F | 36°F | 78°F 2001 | 20°F 2010 | 2% | |
| May 24 | 63°F | 36°F | 76°F 2001 | 24°F 1996 | 2% | |
| May 25 | 63°F | 37°F | 75°F 2001 | 24°F 2010 | 1% | |
| May 26 | 64°F | 37°F | 75°F 1994 | 24°F 1998 | 1% | |
| May 27 | 64°F | 37°F | 76°F 2003 | 21°F 1998 | 1% | |
| May 28 | 64°F | 37°F | 80°F 2003 | 23°F 2006 | 1% | |
| May 29 | 65°F | 37°F | 80°F 2003 | 21°F 2011 | 1% | |
| May 30 | 65°F | 38°F | 79°F 2001 | 18°F 2011 | 1% | |
| May 31 | 65°F | 38°F | 81°F 2001 | 27°F 1998 | 1% |
Chance of rain
- 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
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.