Silverton Weather in May
Average highs run from 52°F on May 1 to 65°F on May 31, and lows from 22°F to 28°F. Normal precipitation for the month is 1.68 in over about 10 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
- 58°F
- Average low
- 25°F
- Precipitation
- 1.68 in
- Snowfall
- 8.2 in
- Record high
- 83°FMay 29, 1984
- Record low
- 3°FMay 10, 1930
- Chance of a freeze
- 100%
- Daylight
- 13 h 46 min to 14 h 36 min
- Cloud cover
- 60%
- Humidity
- 59%
- Dew point
- 23°F
- Wind
- 5.8 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 | 52°F | 22°F | 75°F 1992 | 13°F 1932 | 30% | 24% |
| May 2 | 52°F | 22°F | 74°F 1947 | 12°F 1970 | 30% | 23% |
| May 3 | 53°F | 23°F | 75°F 1947 | 13°F 1994 | 30% | 23% |
| May 4 | 53°F | 23°F | 76°F 1947 | 15°F 2001 | 30% | 22% |
| May 5 | 54°F | 23°F | 76°F 1947 | 11°F 1912 | 30% | 21% |
| May 6 | 54°F | 24°F | 73°F 1989 | 11°F 1917 | 30% | 21% |
| May 7 | 54°F | 24°F | 77°F 1966 | 8°F 1975 | 30% | 20% |
| May 8 | 55°F | 24°F | 76°F 1989 | 14°F 1938 | 30% | 19% |
| May 9 | 55°F | 24°F | 76°F 1984 | 12°F 1930 | 30% | 18% |
| May 10 | 56°F | 24°F | 74°F 1902 | 3°F 1930 | 30% | 18% |
| May 11 | 56°F | 25°F | 76°F 1984 | 10°F 1931 | 30% | 17% |
| May 12 | 57°F | 25°F | 77°F 1960 | 9°F 1922 | 30% | 16% |
| May 13 | 57°F | 25°F | 76°F 2026 | 9°F 1933 | 29% | 15% |
| May 14 | 58°F | 25°F | 76°F 1976 | 13°F 1985 | 29% | 15% |
| May 15 | 58°F | 26°F | 78°F 1988 | 12°F 1956 | 29% | 14% |
| May 16 | 58°F | 26°F | 75°F 1970 | 17°F 1916 | 29% | 13% |
| May 17 | 59°F | 26°F | 75°F 1956 | 16°F 1943 | 29% | 13% |
| May 18 | 59°F | 26°F | 78°F 1956 | 17°F 1983 | 29% | 12% |
| May 19 | 60°F | 26°F | 76°F 1901 | 11°F 2017 | 29% | 11% |
| May 20 | 60°F | 26°F | 77°F 1901 | 18°F 1931 | 29% | 11% |
| May 21 | 61°F | 27°F | 79°F 2005 | 17°F 1974 | 29% | 10% |
| May 22 | 61°F | 27°F | 78°F 1989 | 16°F 2024 | 29% | 9% |
| May 23 | 62°F | 27°F | 78°F 2005 | 16°F 1930 | 28% | 9% |
| May 24 | 62°F | 27°F | 81°F 1922 | 20°F 2007 | 28% | 8% |
| May 25 | 62°F | 27°F | 79°F 1922 | 20°F 1960 | 28% | 8% |
| May 26 | 63°F | 27°F | 77°F 1969 | 13°F 1950 | 28% | 7% |
| May 27 | 63°F | 27°F | 79°F 1958 | 22°F 1916 | 27% | 7% |
| May 28 | 64°F | 28°F | 80°F 1983 | 20°F 1965 | 27% | 6% |
| May 29 | 64°F | 28°F | 83°F 1984 | 20°F 1929 | 27% | 6% |
| May 30 | 65°F | 28°F | 82°F 2000 | 22°F 1931 | 26% | 5% |
| May 31 | 65°F | 28°F | 83°F 2002 | 20°F 1932 | 26% | 5% |
Chance of rain
- Chance of a wet day
- Chance of snowfall
Sunrise and sunset
Times for 2026, local time (MDT).
- May 1
- sunrise 6:15 AM, sunset 8:01 PM
- May 31
- sunrise 5:51 AM, sunset 8:27 PM
Other months
Sources
Normals: NOAA NCEI U.S. Climate Normals, 1991-2020, station USC00057656 (Silverton), public domain. Records: NOAA GHCN-Daily, station USC00058204, 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.