May weather in Williamstown, WV
The average temperature in Williamstown in May is °F (°F–°F). Average precipitation: 4.05 inches.
May is a spring month in Williamstown, and is cooler than the annual average of 0°F. Expect about 14 days with precipitation. Daylight averages about 14h 10m.
Avg High
°F
Avg Low
°F
Precipitation
4.05 in
Daylight
14h 10m
May records in Williamstown
| Date | Record High | Record Low | Record Precip |
|---|---|---|---|
| May 1 | — | — | 0.75 in (1947) |
| May 2 | — | — | 1.10 in (2012) |
| May 3 | — | — | 2.98 in (2010) |
| May 4 | — | — | 0.90 in (1954) |
| May 5 | — | — | 1.30 in (1990) |
| May 6 | — | — | 0.95 in (1971) |
| May 7 | — | — | 1.25 in (1967) |
| May 8 | — | — | 1.24 in (2012) |
| May 9 | — | — | 1.10 in (1969) |
| May 10 | — | — | 1.44 in (2003) |
| May 11 | — | — | 0.90 in (1951) |
| May 12 | — | — | 0.95 in (1974) |
| May 13 | — | — | 0.62 in (1959) |
| May 14 | — | — | 1.49 in (1995) |
| May 15 | — | — | 1.09 in (1938) |
| May 16 | — | — | 1.45 in (1942) |
| May 17 | — | — | 1.60 in (1945) |
| May 18 | — | — | 1.65 in (2002) |
| May 19 | — | — | 1.41 in (1995) |
| May 20 | — | — | 1.40 in (1938) |
| May 21 | — | — | 1.18 in (1942) |
| May 22 | — | — | 1.45 in (1949) |
| May 23 | — | — | 1.01 in (1999) |
| May 24 | — | — | 3.70 in (1968) |
| May 25 | — | — | 0.79 in (1979) |
| May 26 | — | — | 2.10 in (1946) |
| May 27 | — | — | 2.30 in (1990) |
| May 28 | — | — | 1.51 in (1996) |
| May 29 | — | — | 1.75 in (1967) |
| May 30 | — | — | 1.74 in (1982) |
| May 31 | — | — | 0.92 in (1981) |