May weather in Willamina, OR
The average temperature in Willamina in May is °F (°F–°F). Average precipitation: 2.17 inches.
May is a spring month in Willamina, and is cooler than the annual average of 0°F. Expect about 11 days with precipitation. Daylight averages about 14h 40m.
Avg High
°F
Avg Low
°F
Precipitation
2.17 in
Daylight
14h 40m
May records in Willamina
| Date | Record High | Record Low | Record Precip |
|---|---|---|---|
| May 1 | — | — | 0.95 in (1940) |
| May 2 | — | — | 1.33 in (1949) |
| May 3 | 82.0°F (1966) | — | 1.41 in (1975) |
| May 4 | — | — | 1.12 in (2024) |
| May 5 | — | — | 1.42 in (1979) |
| May 6 | — | — | 0.93 in (1963) |
| May 7 | — | — | 0.66 in (1991) |
| May 8 | — | — | 0.99 in (1946) |
| May 9 | — | — | 0.79 in (2005) |
| May 10 | — | — | 0.67 in (2000) |
| May 11 | — | — | 0.90 in (1937) |
| May 12 | — | — | 0.56 in (1996) |
| May 13 | — | — | 0.90 in (1945) |
| May 14 | — | — | 1.20 in (2022) |
| May 15 | — | — | 0.72 in (1945) |
| May 16 | — | — | 0.96 in (1971) |
| May 17 | — | — | 0.95 in (1941) |
| May 18 | — | — | 0.90 in (1957) |
| May 19 | — | — | 0.50 in (1953) |
| May 20 | — | — | 0.96 in (1936) |
| May 21 | — | — | 0.93 in (1998) |
| May 22 | — | — | 0.59 in (1944) |
| May 23 | — | — | 0.55 in (1953) |
| May 24 | — | — | 0.42 in (2011) |
| May 25 | — | — | 1.33 in (1968) |
| May 26 | — | — | 0.54 in (1954) |
| May 27 | — | — | 1.02 in (2004) |
| May 28 | — | — | 0.50 in (2013) |
| May 29 | — | — | 0.42 in (1991) |
| May 30 | — | — | 0.67 in (2011) |
| May 31 | — | — | 0.81 in (1993) |