May weather in Weston, OR
The average temperature in Weston in May is 62.0°F (50.4°F–73.6°F). Average precipitation: 1.77 inches.
May is a spring month in Weston, and is warmer than the annual average of 55.5°F. Daily temperatures swing about 23.2°F between overnight low and afternoon high. Expect about 8 days with precipitation. Daylight averages about 14h 44m. For travel, May is one of the best months of the year to visit.
Avg High
73.6°F
Avg Low
50.4°F
Precipitation
1.77 in
Daylight
14h 44m
May records in Weston
| Date | Record High | Record Low | Record Precip |
|---|---|---|---|
| May 1 | 91.0°F (1947) | 25.0°F (1954) | 0.85 in (1987) |
| May 2 | 90.0°F (1937) | 28.9°F (1954) | 0.53 in (2020) |
| May 3 | 90.0°F (1937) | 34.0°F (1950) | 0.55 in (1932) |
| May 4 | 91.0°F (1966) | 34.0°F (1943) | 0.86 in (1993) |
| May 5 | 91.9°F (1966) | 33.1°F (2008) | 0.38 in (1957) |
| May 6 | 91.9°F (1966) | 30.0°F (1950) | 0.73 in (1980) |
| May 7 | 91.9°F (1992) | 33.1°F (2010) | 0.52 in (1960) |
| May 8 | 91.9°F (1987) | 35.1°F (1930) | 1.02 in (1991) |
| May 9 | 95.0°F (1987) | 37.0°F (1933) | 0.81 in (1942) |
| May 10 | 93.9°F (1936) | 34.0°F (1943) | 1.30 in (1989) |
| May 11 | 93.0°F (2013) | 32.0°F (1973) | 0.67 in (1943) |
| May 12 | 93.9°F (1931) | 34.0°F (1943) | 0.71 in (1967) |
| May 13 | 93.0°F (1993) | 37.0°F (1943) | 1.05 in (2015) |
| May 14 | 95.0°F (1939) | 30.9°F (1964) | 0.60 in (1996) |
| May 15 | 93.0°F (1973) | 37.9°F (1932) | 0.60 in (1981) |
| May 16 | 90.0°F (1970) | 37.0°F (1942) | 1.30 in (2011) |
| May 17 | 93.0°F (1956) | 39.0°F (1936) | 1.14 in (1991) |
| May 18 | 96.1°F (2006) | 34.0°F (1965) | 0.99 in (1957) |
| May 19 | 96.1°F (2006) | 37.0°F (2003) | 2.09 in (1991) |
| May 20 | 91.9°F (2023) | 35.1°F (1995) | 1.10 in (2020) |
| May 21 | 93.9°F (1928) | 35.1°F (1934) | 1.13 in (1986) |
| May 22 | 93.9°F (1951) | 34.0°F (1960) | 0.85 in (1948) |
| May 23 | 96.1°F (1940) | 37.0°F (1986) | 0.60 in (1984) |
| May 24 | 98.1°F (2001) | 37.9°F (1935) | 0.74 in (1990) |
| May 25 | 95.0°F (1947) | 37.0°F (1930) | 0.84 in (1981) |
| May 26 | 99.0°F (1947) | 33.1°F (1967) | 1.20 in (2011) |
| May 27 | 96.1°F (1934) | 39.9°F (1932) | 0.77 in (1946) |
| May 28 | 91.9°F (1934) | 39.9°F (1954) | 0.38 in (1989) |
| May 29 | 97.0°F (1983) | 37.9°F (1951) | 1.00 in (1990) |
| May 30 | 98.1°F (1983) | 37.9°F (1951) | 1.17 in (1930) |
| May 31 | 98.1°F (1986) | 39.0°F (1928) | 1.88 in (2000) |