Williams Weather in May
Average highs run from 66°F on May 1 to 77°F on May 31, and lows from 35°F to 43°F. Normal precipitation for the month is 0.76 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
- 71°F
- Average low
- 39°F
- Precipitation
- 0.76 in
- Snowfall
- 0.1 in
- Record high
- 92°FMay 11, 1934
- Record low
- 8°FMay 11, 1933
- Chance of a freeze
- 94%
- Daylight
- 13 h 38 min to 14 h 22 min
- Cloud cover
- 38%
- Humidity
- 39%
- Dew point
- 27°F
- Wind
- 10.3 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 | 66°F | 35°F | 82°F 1947 | 10°F 1915 | 13% | 2% |
| May 2 | 66°F | 35°F | 86°F 1947 | 16°F 1967 | 13% | 2% |
| May 3 | 67°F | 35°F | 88°F 1947 | 23°F 1942 | 13% | 2% |
| May 4 | 67°F | 36°F | 90°F 1947 | 20°F 1928 | 13% | 2% |
| May 5 | 67°F | 36°F | 85°F 1947 | 20°F 1932 | 13% | 2% |
| May 6 | 67°F | 36°F | 84°F 1947 | 19°F 1978 | 13% | 2% |
| May 7 | 68°F | 37°F | 83°F 1989 | 16°F 1938 | 13% | 2% |
| May 8 | 68°F | 37°F | 84°F 1989 | 11°F 1930 | 13% | 2% |
| May 9 | 69°F | 37°F | 85°F 1934 | 13°F 1930 | 13% | 1% |
| May 10 | 69°F | 37°F | 88°F 1934 | 20°F 1922 | 13% | 1% |
| May 11 | 69°F | 38°F | 92°F 1934 | 8°F 1933 | 13% | 1% |
| May 12 | 70°F | 38°F | 88°F 1996 | 21°F 1909 | 13% | 1% |
| May 13 | 70°F | 38°F | 86°F 1996 | 18°F 1933 | 13% | 1% |
| May 14 | 70°F | 39°F | 88°F 1937 | 19°F 1933 | 13% | 1% |
| May 15 | 71°F | 39°F | 88°F 1937 | 22°F 1911 | 13% | 1% |
| May 16 | 71°F | 39°F | 86°F 1927 | 25°F 1928 | 13% | 1% |
| May 17 | 71°F | 39°F | 84°F 1904 | 20°F 1943 | 13% | 1% |
| May 18 | 72°F | 40°F | 85°F 1924 | 23°F 1943 | 13% | 1% |
| May 19 | 72°F | 40°F | 83°F 1924 | 25°F 1941 | 12% | 0% |
| May 20 | 73°F | 40°F | 85°F 1934 | 20°F 1931 | 12% | 0% |
| May 21 | 73°F | 41°F | 88°F 1934 | 23°F 1945 | 12% | 0% |
| May 22 | 73°F | 41°F | 86°F 2005 | 17°F 1927 | 12% | 0% |
| May 23 | 74°F | 41°F | 87°F 2000 | 19°F 1927 | 12% | 0% |
| May 24 | 74°F | 41°F | 86°F 1936 | 25°F 1927 | 11% | 0% |
| May 25 | 75°F | 42°F | 86°F 1925 | 22°F 1980 | 11% | 0% |
| May 26 | 75°F | 42°F | 88°F 1938 | 22°F 1916 | 11% | 0% |
| May 27 | 75°F | 42°F | 90°F 2003 | 18°F 1929 | 11% | 0% |
| May 28 | 76°F | 43°F | 88°F 1910 | 20°F 1929 | 11% | 0% |
| May 29 | 76°F | 43°F | 89°F 1910 | 21°F 1918 | 10% | 0% |
| May 30 | 77°F | 43°F | 92°F 1910 | 22°F 1918 | 10% | 0% |
| May 31 | 77°F | 43°F | 92°F 1910 | 22°F 1930 | 10% | 0% |
Chance of rain
- Chance of a wet day
- Chance of snowfall
Sunrise and sunset
Times for 2026, local time (MST).
- May 1
- sunrise 5:37 AM, sunset 7:15 PM
- May 31
- sunrise 5:16 AM, sunset 7:38 PM
Other months
Sources
Normals: NOAA NCEI U.S. Climate Normals, 1991-2020, station USC00029359 (Williams), public domain. Records: NOAA GHCN-Daily, station USC00029359, 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 2026-09-25. Sun and moon: computed with the NOAA solar equations and Meeus.