May weather in Watertown, TN
The average temperature in Watertown in May is 67.6°F (56.1°F–79.2°F). Average precipitation: 5.61 inches.
May is a spring month in Watertown, and is warmer than the annual average of 59.1°F. Daily temperatures swing about 23.1°F between overnight low and afternoon high. Expect about 11 days with precipitation. Daylight averages about 13h 55m. For travel, May is a wet month.
Avg High
79.2°F
Avg Low
56.1°F
Precipitation
5.61 in
Daylight
13h 55m
May records in Watertown
| Date | Record High | Record Low | Record Precip |
|---|---|---|---|
| May 1 | 90.0°F (1986) | 30.0°F (1963) | 1.66 in (2002) |
| May 2 | 89.1°F (2012) | 30.9°F (1963) | 4.50 in (2010) |
| May 3 | 90.0°F (1915) | 34.0°F (1971) | 4.10 in (2010) |
| May 4 | 88.0°F (1915) | 28.9°F (1976) | 5.40 in (1979) |
| May 5 | 88.0°F (1969) | 33.1°F (1976) | 2.00 in (1933) |
| May 6 | 87.1°F (1924) | 33.1°F (1968) | 3.00 in (2003) |
| May 7 | 89.1°F (2012) | 35.1°F (1974) | 3.85 in (1984) |
| May 8 | 90.0°F (1962) | 36.0°F (1931) | 2.48 in (1982) |
| May 9 | 89.1°F (1963) | 33.1°F (1980) | 5.43 in (2024) |
| May 10 | 91.0°F (1962) | 34.0°F (1966) | 1.70 in (1933) |
| May 11 | 90.0°F (1986) | 33.1°F (1997) | 1.10 in (2003) |
| May 12 | 91.0°F (1962) | 37.0°F (1989) | 1.72 in (2017) |
| May 13 | 93.9°F (1962) | 36.0°F (1997) | 1.82 in (1967) |
| May 14 | 91.0°F (1915) | 35.1°F (1996) | 1.35 in (1995) |
| May 15 | 91.9°F (1915) | 34.0°F (1904) | 2.27 in (1996) |
| May 16 | 95.0°F (1962) | 28.9°F (1997) | 1.27 in (1966) |
| May 17 | 93.9°F (1911) | 32.0°F (1997) | 1.70 in (1990) |
| May 18 | 96.1°F (1962) | 35.1°F (1973) | 1.96 in (1930) |
| May 19 | 93.9°F (1962) | 36.0°F (1976) | 3.83 in (1983) |
| May 20 | 93.0°F (1962) | 39.9°F (1976) | 3.67 in (1997) |
| May 21 | 93.9°F (1925) | 39.0°F (1986) | 1.23 in (2025) |
| May 22 | 93.0°F (1962) | 37.0°F (1997) | 2.26 in (1911) |
| May 23 | 91.0°F (1920) | 34.0°F (1963) | 1.29 in (1957) |
| May 24 | 91.9°F (1962) | 37.0°F (1931) | 1.40 in (1973) |
| May 25 | 93.9°F (1996) | 37.9°F (1925) | 2.02 in (2000) |
| May 26 | 95.0°F (1962) | 35.1°F (1979) | 3.10 in (1917) |
| May 27 | 93.9°F (1911) | 41.0°F (1925) | 2.20 in (1989) |
| May 28 | 95.0°F (1914) | 42.1°F (1988) | 2.46 in (1996) |
| May 29 | 96.1°F (1914) | 41.0°F (1971) | 1.68 in (1903) |
| May 30 | 93.9°F (1911) | 35.1°F (1984) | 1.85 in (1916) |
| May 31 | 93.9°F (1929) | 37.0°F (1984) | 2.20 in (2004) |