May weather in Harlem, MT
The average temperature in Harlem in May is 54.3°F (39.7°F–69.0°F). Average precipitation: 1.89 inches.
May is a spring month in Harlem, and is warmer than the annual average of 43.6°F. Daily temperatures swing about 29.3°F between overnight low and afternoon high. Expect about 10 days with precipitation. Daylight averages about 15h 1m. For travel, May is a comfortable month to visit.
Avg High
69.0°F
Avg Low
39.7°F
Precipitation
1.89 in
Daylight
15h 1m
May records in Harlem
| Date | Record High | Record Low | Record Precip |
|---|---|---|---|
| May 1 | 91.0°F (2000) | 14.0°F (1954) | 0.27 in (1957) |
| May 2 | 89.1°F (1947) | 10.0°F (1954) | 1.15 in (1938) |
| May 3 | 90.0°F (1998) | 17.1°F (1954) | 0.65 in (1955) |
| May 4 | 86.0°F (1936) | 21.9°F (1967) | 0.74 in (1932) |
| May 5 | 91.9°F (1992) | 21.9°F (1991) | 1.36 in (1986) |
| May 6 | 93.0°F (1992) | 21.9°F (1977) | 1.27 in (1975) |
| May 7 | 90.0°F (1992) | 26.1°F (1943) | 0.82 in (1981) |
| May 8 | 88.0°F (1976) | 18.0°F (1945) | 0.45 in (1981) |
| May 9 | 88.0°F (1949) | 23.0°F (1996) | 1.75 in (1983) |
| May 10 | 91.0°F (1949) | 17.1°F (1946) | 0.74 in (1982) |
| May 11 | 91.9°F (1958) | 23.0°F (1984) | 1.41 in (2000) |
| May 12 | 93.9°F (1960) | 19.9°F (1943) | 0.86 in (1991) |
| May 13 | 91.9°F (1931) | 19.9°F (1943) | 1.49 in (1974) |
| May 14 | 97.0°F (1931) | 19.0°F (1905) | 0.33 in (1962) |
| May 15 | 89.1°F (1934) | 19.0°F (1905) | 0.59 in (1977) |
| May 16 | 93.0°F (1988) | 24.1°F (1942) | 1.45 in (1955) |
| May 17 | 89.1°F (1941) | 28.0°F (1905) | 1.55 in (1949) |
| May 18 | 93.0°F (2006) | 25.0°F (1897) | 0.55 in (1946) |
| May 19 | 91.9°F (1992) | 27.0°F (1963) | 0.73 in (2004) |
| May 20 | 91.9°F (1964) | 28.0°F (1969) | 1.29 in (1974) |
| May 21 | 96.1°F (1980) | 25.0°F (1963) | 1.08 in (1962) |
| May 22 | 98.1°F (1980) | 25.0°F (1995) | 1.69 in (1986) |
| May 23 | 95.0°F (1980) | 27.0°F (1992) | 0.43 in (2006) |
| May 24 | 96.1°F (1941) | 28.0°F (1995) | 1.26 in (1997) |
| May 25 | 91.0°F (1999) | 28.9°F (1992) | 0.81 in (1997) |
| May 26 | 96.1°F (1936) | 28.0°F (1932) | 0.76 in (1954) |
| May 27 | 98.1°F (1936) | 28.0°F (1975) | 0.62 in (1942) |
| May 28 | 96.1°F (1936) | 21.0°F (1947) | 1.40 in (1982) |
| May 29 | 96.1°F (1934) | 25.0°F (1897) | 1.85 in (1982) |
| May 30 | 96.1°F (1936) | 32.0°F (1977) | 0.33 in (1998) |
| May 31 | 93.9°F (1936) | 26.1°F (1982) | 1.18 in (1932) |