October weather in Harlem, MT
The average temperature in Harlem in October is 45.1°F (30.4°F–59.7°F). Average precipitation: 0.73 inches.
October is a fall 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 5 days with precipitation. Daylight averages about 10h 32m. For travel, October is cool.
Avg High
59.7°F
Avg Low
30.4°F
Precipitation
0.73 in
Daylight
10h 32m
October records in Harlem
| Date | Record High | Record Low | Record Precip |
|---|---|---|---|
| October 1 | 89.1°F (1992) | 15.1°F (2004) | 0.50 in (1940) |
| October 2 | 82.9°F (1938) | 19.9°F (1936) | 0.55 in (1973) |
| October 3 | 89.1°F (1987) | 12.0°F (1999) | 0.87 in (1967) |
| October 4 | 88.0°F (1943) | 17.1°F (1932) | 0.75 in (1937) |
| October 5 | 87.1°F (1943) | 7.0°F (2000) | 0.40 in (1937) |
| October 6 | 90.0°F (1960) | 10.0°F (2000) | 0.48 in (1949) |
| October 7 | 88.0°F (1980) | 14.0°F (2000) | 0.71 in (2006) |
| October 8 | 89.1°F (1980) | 15.1°F (1961) | 0.29 in (1985) |
| October 9 | 87.1°F (1942) | 8.1°F (1985) | 0.25 in (1963) |
| October 10 | 91.0°F (1942) | 12.0°F (1987) | 0.35 in (1972) |
| October 11 | 87.1°F (1991) | 10.0°F (1959) | 0.28 in (1969) |
| October 12 | 84.0°F (1991) | 17.1°F (2002) | 0.74 in (1924) |
| October 13 | 89.1°F (1964) | 18.0°F (2002) | 0.62 in (1981) |
| October 14 | 84.0°F (1961) | 19.0°F (1952) | 0.92 in (1962) |
| October 15 | 86.0°F (1961) | 10.0°F (1976) | 0.32 in (1938) |
| October 16 | 86.0°F (1961) | 12.0°F (1930) | 0.45 in (1994) |
| October 17 | 80.1°F (1963) | 9.0°F (1930) | 0.40 in (1949) |
| October 18 | 87.1°F (1958) | 9.0°F (1991) | 0.85 in (1957) |
| October 19 | 82.9°F (2003) | 8.1°F (1930) | 0.62 in (1936) |
| October 20 | 80.1°F (1940) | 7.0°F (1930) | 0.83 in (1958) |
| October 21 | 82.9°F (2003) | 12.0°F (1984) | 0.38 in (2002) |
| October 22 | 77.0°F (1963) | 12.9°F (1936) | 0.90 in (1957) |
| October 23 | 80.1°F (1960) | 9.0°F (1961) | 0.38 in (1932) |
| October 24 | 82.0°F (2007) | 12.0°F (1942) | 0.21 in (1973) |
| October 25 | 82.9°F (1990) | 7.0°F (1942) | 0.25 in (2008) |
| October 26 | 86.0°F (1924) | 3.0°F (1939) | 0.35 in (1946) |
| October 27 | 79.0°F (2001) | 10.9°F (1939) | 0.65 in (1940) |
| October 28 | 82.0°F (1937) | -2.9°F (1984) | 0.25 in (1940) |
| October 29 | 79.0°F (1968) | -20.0°F (1991) | 0.65 in (2003) |
| October 30 | 78.1°F (1944) | -20.0°F (1991) | 0.29 in (1992) |
| October 31 | 72.0°F (1967) | -8.0°F (1991) | 0.70 in (1943) |