Clay Weather in May
Average highs run from 78°F on May 1 to 85°F on May 31, and lows from 50°F to 55°F. Normal precipitation for the month is 0.68 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
- 81°F
- Average low
- 52°F
- Precipitation
- 0.68 in
- Record high
- 107°FMay 28, 1984
- Record low
- 37°FMay 3, 1950
- Chance of a freeze
- 2%
- Days of 90°F or more
- 5.6
- Daylight
- 13 h 48 min to 14 h 39 min
- Cloud cover
- 41%
- Humidity
- 62%
- Dew point
- 49°F
- Wind
- 6.9 mph
Every day of the month
A wet day has at least 0.01 inch of precipitation.
| Date | Normal high | Normal low | Record high | Record low | Chance wet |
|---|---|---|---|---|---|
| May 1 | 78°F | 50°F | 97°F 1996 | 39°F 1920 | 16% |
| May 2 | 78°F | 50°F | 96°F 1992 | 40°F 1964 | 16% |
| May 3 | 78°F | 50°F | 97°F 1992 | 37°F 1950 | 15% |
| May 4 | 79°F | 50°F | 100°F 1990 | 42°F 1920 | 15% |
| May 5 | 79°F | 50°F | 100°F 1987 | 42°F 1988 | 15% |
| May 6 | 79°F | 51°F | 104°F 1987 | 39°F 1933 | 15% |
| May 7 | 79°F | 51°F | 105°F 1987 | 39°F 1887 | 14% |
| May 8 | 80°F | 51°F | 100°F 2001 | 40°F 1933 | 14% |
| May 9 | 80°F | 51°F | 98°F 2001 | 39°F 1896 | 14% |
| May 10 | 80°F | 51°F | 100°F 1987 | 41°F 1887 | 13% |
| May 11 | 80°F | 52°F | 102°F 1987 | 40°F 1930 | 13% |
| May 12 | 80°F | 52°F | 102°F 1987 | 39°F 1880 | 13% |
| May 13 | 81°F | 52°F | 102°F 1976 | 40°F 1882 | 13% |
| May 14 | 81°F | 52°F | 103°F 1987 | 41°F 1899 | 12% |
| May 15 | 81°F | 52°F | 99°F 1927 | 40°F 1906 | 12% |
| May 16 | 81°F | 52°F | 102°F 1970 | 40°F 1894 | 12% |
| May 17 | 82°F | 53°F | 102°F 2008 | 43°F 1883 | 12% |
| May 18 | 82°F | 53°F | 104°F 1997 | 42°F 1917 | 11% |
| May 19 | 82°F | 53°F | 99°F 2001 | 41°F 1896 | 11% |
| May 20 | 82°F | 53°F | 102°F 1947 | 44°F 1896 | 11% |
| May 21 | 82°F | 53°F | 101°F 2000 | 45°F 1899 | 11% |
| May 22 | 83°F | 53°F | 103°F 2000 | 42°F 1960 | 10% |
| May 23 | 83°F | 54°F | 100°F 2017 | 45°F 1899 | 10% |
| May 24 | 83°F | 54°F | 100°F 2001 | 43°F 1953 | 10% |
| May 25 | 83°F | 54°F | 103°F 2022 | 43°F 1899 | 9% |
| May 26 | 84°F | 54°F | 104°F 2020 | 42°F 1918 | 9% |
| May 27 | 84°F | 54°F | 104°F 1984 | 45°F 1900 | 9% |
| May 28 | 84°F | 54°F | 107°F 1984 | 44°F 1927 | 9% |
| May 29 | 84°F | 55°F | 101°F 1973 | 44°F 1985 | 8% |
| May 30 | 84°F | 55°F | 103°F 1910 | 44°F 1898 | 8% |
| May 31 | 85°F | 55°F | 106°F 2001 | 45°F 1916 | 8% |
Chance of rain
- Chance of a wet day
Sunrise and sunset
Times for 2026, local time (PDT).
- May 1
- sunrise 6:08 AM, sunset 7:56 PM
- May 31
- sunrise 5:43 AM, sunset 8:22 PM
Other months
Sources
Normals: NOAA NCEI U.S. Climate Normals, 1991-2020, station USC00045032 (Lodi), public domain. Records: NOAA GHCN-Daily, station USW00023271, 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.