May weather in Mullan, ID
The average temperature in Mullan in May is 52.7°F (40.2°F–65.3°F). Average precipitation: 2.53 inches.
May is a spring month in Mullan, and is warmer than the annual average of 45.1°F. Daily temperatures swing about 25.1°F between overnight low and afternoon high. Daylight averages about 14h 54m. For travel, May is a comfortable month to visit.
Avg High
65.3°F
Avg Low
40.2°F
Precipitation
2.53 in
Daylight
14h 54m
May records in Mullan
| Date | Record High | Record Low | Record Precip |
|---|---|---|---|
| May 1 | 82.9°F (2023) | 28.0°F (1992) | 0.90 in (2012) |
| May 2 | 87.1°F (2023) | 27.0°F (2024) | 0.50 in (1984) |
| May 3 | 81.0°F (2016) | 27.0°F (1991) | 0.55 in (1986) |
| May 4 | 82.0°F (2017) | 27.0°F (1982) | 0.90 in (1993) |
| May 5 | 82.9°F (1990) | 25.0°F (1982) | 0.90 in (1979) |
| May 6 | 87.1°F (2013) | 26.1°F (1977) | 1.45 in (1983) |
| May 7 | 88.0°F (1987) | 27.0°F (1984) | 1.12 in (2018) |
| May 8 | 90.0°F (2013) | 28.9°F (2021) | 0.98 in (2023) |
| May 9 | 88.0°F (2013) | 28.0°F (1982) | 1.62 in (2022) |
| May 10 | 87.1°F (2013) | 28.0°F (2022) | 0.87 in (1976) |
| May 11 | 87.1°F (1993) | 26.1°F (2012) | 0.53 in (1981) |
| May 12 | 89.1°F (1993) | 23.0°F (1985) | 0.33 in (1990) |
| May 13 | 88.0°F (1993) | 25.0°F (1985) | 1.16 in (1986) |
| May 14 | 81.0°F (1993) | -2.9°F (2019) | 0.80 in (1986) |
| May 15 | 84.0°F (2012) | -13.0°F (2019) | 1.01 in (1980) |
| May 16 | 80.1°F (1993) | -25.1°F (2019) | 0.24 in (1980) |
| May 17 | 80.1°F (1993) | 28.0°F (1984) | 0.81 in (2019) |
| May 18 | 84.0°F (1993) | -25.1°F (2019) | 0.88 in (1991) |
| May 19 | 84.0°F (2023) | 28.0°F (1987) | 0.58 in (2025) |
| May 20 | 86.0°F (2023) | 28.0°F (1989) | 1.10 in (2019) |
| May 21 | 81.0°F (2023) | 30.0°F (1976) | 0.62 in (1993) |
| May 22 | 88.0°F (1988) | 9.0°F (2019) | 0.82 in (2013) |
| May 23 | 84.9°F (1985) | 9.0°F (2019) | 1.20 in (2016) |
| May 24 | 82.9°F (1983) | 30.9°F (1984) | 0.89 in (1997) |
| May 25 | 84.9°F (1986) | 30.9°F (1984) | 1.46 in (1980) |
| May 26 | 91.0°F (1986) | 30.0°F (1976) | 0.72 in (1980) |
| May 27 | 91.0°F (1986) | -9.9°F (2019) | 0.73 in (2022) |
| May 28 | 89.1°F (1986) | 32.0°F (2021) | 0.68 in (1985) |
| May 29 | 93.0°F (1986) | 28.9°F (1976) | 0.81 in (1990) |
| May 30 | 93.0°F (1986) | 30.0°F (1977) | 1.60 in (1985) |
| May 31 | 91.0°F (1986) | -9.0°F (2019) | 0.71 in (1987) |