May weather in Washington, IN
The average temperature in Washington in May is 66.7°F (56.0°F–77.4°F). Average precipitation: 5.51 inches.
May is a spring month in Washington, and is warmer than the annual average of 56.3°F. Daily temperatures swing about 21.4°F between overnight low and afternoon high. Expect about 11 days with precipitation. Daylight averages about 14h 6m. For travel, May is a wet month.
Avg High
77.4°F
Avg Low
56.0°F
Precipitation
5.51 in
Daylight
14h 6m
May records in Washington
| Date | Record High | Record Low | Record Precip |
|---|---|---|---|
| May 1 | 93.0°F (1951) | 28.9°F (1903) | 3.52 in (1983) |
| May 2 | 91.9°F (1901) | 32.0°F (1903) | 2.59 in (2011) |
| May 3 | 91.0°F (1899) | 34.0°F (1911) | 1.41 in (1922) |
| May 4 | 96.1°F (1899) | 32.0°F (1926) | 2.38 in (2017) |
| May 5 | 93.9°F (1902) | 34.0°F (1979) | 1.57 in (2003) |
| May 6 | 91.0°F (1902) | 35.1°F (1944) | 2.09 in (1961) |
| May 7 | 90.0°F (1901) | 34.0°F (1906) | 2.55 in (1961) |
| May 8 | 89.1°F (1930) | 35.1°F (1923) | 2.60 in (1961) |
| May 9 | 91.9°F (1934) | 30.9°F (2020) | 1.50 in (1897) |
| May 10 | 90.0°F (1936) | 28.0°F (1966) | 1.55 in (1981) |
| May 11 | 91.9°F (2022) | 35.1°F (1909) | 2.80 in (1943) |
| May 12 | 96.1°F (1902) | 35.1°F (1989) | 3.25 in (1918) |
| May 13 | 95.0°F (1902) | 36.0°F (1901) | 1.93 in (1933) |
| May 14 | 91.9°F (1900) | 36.0°F (1910) | 2.41 in (1983) |
| May 15 | 91.9°F (1900) | 37.0°F (1920) | 1.86 in (1923) |
| May 16 | 93.0°F (1900) | 35.1°F (1997) | 3.71 in (1990) |
| May 17 | 95.0°F (1911) | 30.9°F (1897) | 1.89 in (1995) |
| May 18 | 96.1°F (1911) | 36.0°F (1897) | 4.04 in (1995) |
| May 19 | 93.0°F (1951) | 39.0°F (1941) | 1.65 in (2001) |
| May 20 | 98.1°F (1902) | 27.0°F (1897) | 2.06 in (1989) |
| May 21 | 93.0°F (1925) | 21.0°F (1897) | 2.48 in (2010) |
| May 22 | 98.1°F (1902) | 37.9°F (1997) | 2.45 in (1992) |
| May 23 | 93.9°F (1975) | 37.9°F (1917) | 1.86 in (1938) |
| May 24 | 95.0°F (1921) | 39.9°F (1925) | 1.95 in (1933) |
| May 25 | 97.0°F (1911) | 33.1°F (1925) | 1.69 in (2006) |
| May 26 | 100.0°F (1911) | 37.9°F (1979) | 2.43 in (1986) |
| May 27 | 100.0°F (1911) | 34.0°F (1961) | 1.70 in (1981) |
| May 28 | 100.0°F (1911) | 37.9°F (1902) | 1.20 in (1955) |
| May 29 | 91.0°F (1911) | 37.9°F (1965) | 2.10 in (2019) |
| May 30 | 96.1°F (1937) | 39.0°F (1984) | 1.47 in (1927) |
| May 31 | 98.1°F (1934) | 39.0°F (1984) | 2.54 in (1976) |