Alta Sierra Weather in May
Average highs run from 68°F on May 1 to 77°F on May 31, and lows from 38°F to 43°F. Normal precipitation for the month is 0.83 in over about 4 wet days.
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
- 72°F
- Average low
- 41°F
- Precipitation
- 0.83 in
- Record high
- 107°FMay 13, 1976
- Record low
- 37°FMay 1, 1988
- Chance of a freeze
- 64%
- Days of 90°F or more
- 0.9
- Daylight
- 13 h 39 min to 14 h 24 min
- Cloud cover
- 31%
- Humidity
- 49%
- Dew point
- 40°F
- Wind
- 7.2 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 | 68°F | 38°F | 102°F 1947 | 37°F 1988 | 15% | 0% |
| May 2 | 68°F | 38°F | 101°F 1947 | 39°F 1991 | 15% | 0% |
| May 3 | 68°F | 38°F | 102°F 1966 | 40°F 1938 | 14% | 0% |
| May 4 | 69°F | 39°F | 104°F 2017 | 40°F 1950 | 14% | 0% |
| May 5 | 69°F | 39°F | 100°F 1990 | 43°F 1984 | 14% | 0% |
| May 6 | 69°F | 39°F | 104°F 1987 | 42°F 1984 | 14% | 0% |
| May 7 | 70°F | 39°F | 101°F 1987 | 42°F 1965 | 14% | 0% |
| May 8 | 70°F | 39°F | 100°F 1974 | 43°F 1999 | 13% | 0% |
| May 9 | 70°F | 40°F | 101°F 2001 | 43°F 2022 | 13% | 0% |
| May 10 | 71°F | 40°F | 102°F 1941 | 42°F 1991 | 13% | 0% |
| May 11 | 71°F | 40°F | 102°F 2001 | 43°F 2000 | 13% | 0% |
| May 12 | 71°F | 40°F | 103°F 1976 | 43°F 1942 | 12% | 0% |
| May 13 | 72°F | 40°F | 107°F 1976 | 46°F 2017 | 12% | 0% |
| May 14 | 72°F | 40°F | 102°F 1979 | 44°F 1955 | 12% | 0% |
| May 15 | 72°F | 41°F | 102°F 1970 | 41°F 1943 | 12% | 0% |
| May 16 | 72°F | 41°F | 105°F 1970 | 43°F 1943 | 12% | 0% |
| May 17 | 73°F | 41°F | 105°F 2009 | 43°F 1943 | 11% | 0% |
| May 18 | 73°F | 41°F | 102°F 1973 | 43°F 1991 | 11% | 0% |
| May 19 | 73°F | 41°F | 101°F 1954 | 46°F 1939 | 11% | 0% |
| May 20 | 74°F | 41°F | 103°F 1942 | 46°F 1962 | 11% | 0% |
| May 21 | 74°F | 41°F | 103°F 1988 | 47°F 1962 | 10% | 0% |
| May 22 | 74°F | 42°F | 102°F 1967 | 44°F 1960 | 10% | 0% |
| May 23 | 75°F | 42°F | 103°F 2000 | 45°F 1960 | 10% | 0% |
| May 24 | 75°F | 42°F | 107°F 1982 | 42°F 1953 | 9% | 0% |
| May 25 | 75°F | 42°F | 106°F 1982 | 46°F 1980 | 9% | 0% |
| May 26 | 76°F | 42°F | 107°F 1951 | 46°F 1980 | 9% | 0% |
| May 27 | 76°F | 42°F | 106°F 1974 | 43°F 1998 | 9% | 0% |
| May 28 | 76°F | 42°F | 107°F 1973 | 46°F 2006 | 8% | 0% |
| May 29 | 77°F | 42°F | 106°F 1973 | 48°F 1942 | 8% | 0% |
| May 30 | 77°F | 43°F | 106°F 1950 | 44°F 1988 | 8% | 0% |
| May 31 | 77°F | 43°F | 107°F 2001 | 47°F 2011 | 7% | 0% |
Chance of rain
- Chance of a wet day
- Chance of snowfall
Sunrise and sunset
Times for 2026, local time (PDT).
- May 1
- sunrise 6:02 AM, sunset 7:41 PM
- May 31
- sunrise 5:40 AM, sunset 8:04 PM
Other months
Sources
Normals: NOAA NCEI U.S. Climate Normals, 1991-2020, station USC00043463 (Glennville), public domain. Records: NOAA GHCN-Daily, station USW00023155, 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.