Chico Weather in May
Average highs run from 77°F on May 1 to 85°F on May 31, and lows from 49°F to 55°F. Normal precipitation for the month is 1.35 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
- 81°F
- Average low
- 52°F
- Precipitation
- 1.35 in
- Record high
- 108°FMay 30, 1910
- Record low
- 32°FMay 1, 1913
- Chance of a freeze
- 0%
- Days of 90°F or more
- 6.4
- Daylight
- 13 h 54 min to 14 h 47 min
- Cloud cover
- 39%
- Humidity
- 62%
- Dew point
- 50°F
- Wind
- 6.9 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 | 77°F | 49°F | 94°F 1919 | 32°F 1913 | 0% | |
| May 2 | 78°F | 49°F | 94°F 1947 | 34°F 1921 | 0% | |
| May 3 | 78°F | 49°F | 95°F 2004 | 34°F 1921 | 0% | |
| May 4 | 78°F | 49°F | 95°F 1992 | 34°F 1975 | 0% | |
| May 5 | 79°F | 50°F | 99°F 1992 | 35°F 1924 | 0% | |
| May 6 | 79°F | 50°F | 97°F 1969 | 36°F 1968 | 0% | |
| May 7 | 79°F | 50°F | 100°F 1987 | 34°F 1950 | 0% | |
| May 8 | 79°F | 50°F | 99°F 1987 | 36°F 1930 | 0% | |
| May 9 | 80°F | 51°F | 97°F 1931 | 33°F 1922 | 0% | |
| May 10 | 80°F | 51°F | 98°F 1931 | 34°F 1909 | 0% | |
| May 11 | 80°F | 51°F | 98°F 2001 | 33°F 2010 | 0% | |
| May 12 | 80°F | 51°F | 102°F 1987 | 37°F 1909 | 0% | |
| May 13 | 81°F | 52°F | 98°F 1972 | 37°F 1913 | 0% | |
| May 14 | 81°F | 52°F | 99°F 1976 | 40°F 1951 | 0% | |
| May 15 | 81°F | 52°F | 101°F 1987 | 37°F 1906 | 0% | |
| May 16 | 81°F | 52°F | 102°F 2008 | 34°F 1917 | 0% | |
| May 17 | 82°F | 53°F | 99°F 1997 | 35°F 1971 | 0% | |
| May 18 | 82°F | 53°F | 101°F 2009 | 40°F 1906 | 0% | |
| May 19 | 82°F | 53°F | 103°F 2006 | 37°F 1991 | 0% | |
| May 20 | 82°F | 53°F | 103°F 1947 | 36°F 2010 | 0% | |
| May 21 | 83°F | 54°F | 103°F 1947 | 36°F 1927 | 0% | |
| May 22 | 83°F | 54°F | 101°F 2001 | 41°F 1960 | 0% | |
| May 23 | 83°F | 54°F | 100°F 1928 | 39°F 1916 | 0% | |
| May 24 | 83°F | 54°F | 102°F 2000 | 40°F 1980 | 0% | |
| May 25 | 84°F | 54°F | 102°F 1951 | 37°F 1911 | 0% | |
| May 26 | 84°F | 55°F | 100°F 1951 | 36°F 2026 | 0% | |
| May 27 | 84°F | 55°F | 105°F 1919 | 39°F 1953 | 0% | |
| May 28 | 84°F | 55°F | 101°F 1939 | 40°F 1927 | 0% | |
| May 29 | 85°F | 55°F | 105°F 1910 | 38°F 1927 | 0% | |
| May 30 | 85°F | 55°F | 108°F 1910 | 39°F 1988 | 0% | |
| May 31 | 85°F | 55°F | 107°F 1910 | 41°F 1923 | 0% |
Chance of rain
- Chance of a wet day
- Chance of snowfall
Sunrise and sunset
Times for 2026, local time (PDT).
- May 1
- sunrise 6:08 AM, sunset 8:02 PM
- May 31
- sunrise 5:42 AM, sunset 8:29 PM
Other months
Sources
Normals: NOAA NCEI U.S. Climate Normals, 1991-2020, station USC00041715 (Chico Univ Farm), public domain. Records: NOAA GHCN-Daily, station USC00041715, 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.