May weather in Thompson Falls, MT
The average temperature in Thompson Falls in May is 54.9°F (41.4°F–68.4°F). Average precipitation: 2.09 inches.
May is a spring month in Thompson Falls, and is warmer than the annual average of 47.7°F. Daily temperatures swing about 27°F between overnight low and afternoon high. Expect about 14 days with precipitation. Daylight averages about 14h 55m. For travel, May is a comfortable month to visit.
Avg High
68.4°F
Avg Low
41.4°F
Precipitation
2.09 in
Daylight
14h 55m
May records in Thompson Falls
| Date | Record High | Record Low | Record Precip |
|---|---|---|---|
| May 1 | 86.0°F (2023) | 24.1°F (1972) | 0.50 in (1979) |
| May 2 | 89.1°F (2023) | 28.0°F (1968) | 0.50 in (1961) |
| May 3 | 89.1°F (2023) | 26.1°F (2006) | 0.67 in (1964) |
| May 4 | 89.1°F (1966) | 27.0°F (1963) | 0.71 in (1993) |
| May 5 | 91.9°F (1966) | 27.0°F (1962) | 0.78 in (1961) |
| May 6 | 93.0°F (1992) | 27.0°F (1959) | 0.68 in (2023) |
| May 7 | 91.9°F (1987) | 27.0°F (1965) | 1.03 in (2018) |
| May 8 | 91.0°F (1987) | 24.1°F (2000) | 0.54 in (1991) |
| May 9 | 89.1°F (1994) | 26.1°F (2002) | 0.46 in (1980) |
| May 10 | 90.0°F (1960) | 28.9°F (2002) | 0.39 in (1978) |
| May 11 | 91.0°F (1993) | 28.9°F (1982) | 0.75 in (1970) |
| May 12 | 95.0°F (1993) | 28.0°F (1959) | 0.73 in (1958) |
| May 13 | 93.9°F (1993) | 28.0°F (1983) | 0.36 in (1962) |
| May 14 | 93.9°F (1993) | 27.0°F (1964) | 0.53 in (2009) |
| May 15 | 91.0°F (1973) | 28.9°F (1986) | 0.82 in (2020) |
| May 16 | 91.0°F (1973) | 26.1°F (1986) | 1.04 in (1980) |
| May 17 | 93.0°F (2006) | 28.9°F (1974) | 1.07 in (2019) |
| May 18 | 93.9°F (2006) | 27.0°F (1965) | 1.27 in (1991) |
| May 19 | 93.9°F (2006) | 30.0°F (1965) | 0.51 in (1957) |
| May 20 | 90.0°F (2006) | 30.9°F (1989) | 1.95 in (1957) |
| May 21 | 88.0°F (1958) | 28.9°F (1971) | 1.14 in (2002) |
| May 22 | 95.0°F (1988) | 28.0°F (1960) | 1.26 in (2013) |
| May 23 | 95.0°F (2001) | 27.0°F (1986) | 0.61 in (1990) |
| May 24 | 93.9°F (2001) | 30.9°F (1960) | 0.75 in (1997) |
| May 25 | 91.9°F (1986) | 28.0°F (1964) | 1.05 in (1980) |
| May 26 | 98.1°F (1986) | 28.9°F (1964) | 1.15 in (1980) |
| May 27 | 93.9°F (1966) | 30.0°F (1973) | 1.27 in (1998) |
| May 28 | 95.0°F (1986) | 34.0°F (1960) | 0.84 in (1989) |
| May 29 | 97.0°F (1986) | 34.0°F (1976) | 0.63 in (1988) |
| May 30 | 99.0°F (1986) | 32.0°F (1962) | 1.25 in (1985) |
| May 31 | 99.0°F (1986) | 32.0°F (1968) | 1.33 in (2000) |