May weather in Fort Peck, MT
The average temperature in Fort Peck in May is 57.2°F (43.8°F–70.7°F). Average precipitation: 2.52 inches.
May is a spring month in Fort Peck, and is warmer than the annual average of 46.5°F. Daily temperatures swing about 26.9°F between overnight low and afternoon high. Expect about 10 days with precipitation. Daylight averages about 14h 58m. For travel, May is a comfortable month to visit.
Avg High
70.7°F
Avg Low
43.8°F
Precipitation
2.52 in
Daylight
14h 58m
May records in Fort Peck
| Date | Record High | Record Low | Record Precip |
|---|---|---|---|
| May 1 | 84.9°F (1981) | 19.9°F (1984) | 1.90 in (2008) |
| May 2 | 88.0°F (2000) | 21.9°F (1976) | 0.56 in (1987) |
| May 3 | 86.0°F (1957) | 19.0°F (2005) | 1.18 in (1964) |
| May 4 | 88.0°F (2025) | 23.0°F (1967) | 1.20 in (1964) |
| May 5 | 87.1°F (2017) | 25.0°F (1967) | 1.03 in (1986) |
| May 6 | 90.0°F (1992) | 28.0°F (1972) | 2.83 in (1965) |
| May 7 | 86.0°F (1992) | 9.0°F (1984) | 0.72 in (2024) |
| May 8 | 88.0°F (1987) | 21.9°F (1984) | 0.60 in (2021) |
| May 9 | 88.0°F (1977) | 25.0°F (1996) | 1.10 in (1986) |
| May 10 | 91.0°F (1977) | 27.0°F (2004) | 2.88 in (2016) |
| May 11 | 88.0°F (1977) | 24.1°F (2020) | 0.83 in (1999) |
| May 12 | 90.0°F (1958) | 26.1°F (1983) | 1.10 in (1983) |
| May 13 | 91.9°F (2001) | 23.0°F (1983) | 1.86 in (2022) |
| May 14 | 90.0°F (1993) | 25.0°F (2005) | 0.45 in (1988) |
| May 15 | 88.0°F (1984) | 28.9°F (1992) | 0.68 in (1966) |
| May 16 | 88.0°F (1987) | 27.0°F (1968) | 0.55 in (2015) |
| May 17 | 90.0°F (1972) | 28.0°F (2002) | 1.00 in (2011) |
| May 18 | 93.9°F (2006) | 28.0°F (2015) | 1.32 in (2018) |
| May 19 | 91.0°F (2006) | 23.0°F (2005) | 1.70 in (1982) |
| May 20 | 91.9°F (1964) | 28.9°F (1968) | 1.33 in (1974) |
| May 21 | 97.0°F (1980) | 27.0°F (1963) | 1.45 in (2011) |
| May 22 | 100.0°F (1980) | 30.9°F (1995) | 0.88 in (2011) |
| May 23 | 97.0°F (1980) | 30.0°F (2002) | 1.50 in (2007) |
| May 24 | 93.0°F (1980) | 30.9°F (1995) | 0.80 in (2004) |
| May 25 | 87.1°F (2018) | 35.1°F (2004) | 2.17 in (2010) |
| May 26 | 93.0°F (1969) | 35.1°F (1965) | 1.00 in (2023) |
| May 27 | 91.0°F (2018) | 35.1°F (1965) | 0.95 in (2012) |
| May 28 | 90.0°F (1969) | 35.1°F (2019) | 2.51 in (2010) |
| May 29 | 98.1°F (1988) | 34.0°F (1982) | 0.72 in (2001) |
| May 30 | 95.0°F (1988) | 34.0°F (1985) | 1.47 in (1985) |
| May 31 | 93.9°F (1986) | 30.9°F (1982) | 2.06 in (2007) |