May weather in Waterloo, OR
The average temperature in Waterloo in May is °F (°F–°F). Average precipitation: 2.82 inches.
May is a spring month in Waterloo, and is cooler than the annual average of 0°F. Expect about 12 days with precipitation. Daylight averages about 14h 36m.
Avg High
°F
Avg Low
°F
Precipitation
2.82 in
Daylight
14h 36m
May records in Waterloo
| Date | Record High | Record Low | Record Precip |
|---|---|---|---|
| May 1 | — | — | 0.97 in (1932) |
| May 2 | — | — | 1.40 in (1949) |
| May 3 | — | — | 1.04 in (1975) |
| May 4 | — | — | 0.95 in (1926) |
| May 5 | — | — | 1.16 in (1979) |
| May 6 | — | — | 1.63 in (1959) |
| May 7 | — | — | 1.42 in (1963) |
| May 8 | — | — | 1.27 in (1991) |
| May 9 | — | — | 0.60 in (1957) |
| May 10 | — | — | 1.29 in (2005) |
| May 11 | — | — | 1.19 in (1937) |
| May 12 | — | — | 0.67 in (1987) |
| May 13 | — | — | 0.79 in (1945) |
| May 14 | — | — | 0.82 in (1996) |
| May 15 | — | — | 0.80 in (1996) |
| May 16 | — | — | 0.84 in (1945) |
| May 17 | — | — | 1.90 in (1991) |
| May 18 | — | — | 1.30 in (1976) |
| May 19 | — | — | 0.76 in (1953) |
| May 20 | — | — | 1.01 in (1993) |
| May 21 | — | — | 1.46 in (1998) |
| May 22 | — | — | 0.84 in (1942) |
| May 23 | — | — | 0.86 in (1984) |
| May 24 | — | — | 0.68 in (1998) |
| May 25 | — | — | 0.80 in (1942) |
| May 26 | — | — | 0.95 in (1960) |
| May 27 | — | — | 1.40 in (1953) |
| May 28 | — | — | 0.64 in (1988) |
| May 29 | — | — | 1.10 in (1932) |
| May 30 | — | — | 0.98 in (1998) |
| May 31 | — | — | 1.01 in (2011) |