August weather in Lima, MT
The average temperature in Lima in August is 63.5°F (45.7°F–81.3°F). Average precipitation: 1.02 inches.
August is a summer month in Lima, and is warmer than the annual average of 41.5°F. Daily temperatures swing about 35.6°F between overnight low and afternoon high. Expect about 6 days with precipitation. Daylight averages about 13h 52m. For travel, August is a comfortable month to visit.
Avg High
81.3°F
Avg Low
45.7°F
Precipitation
1.02 in
Daylight
13h 52m
August records in Lima
| Date | Record High | Record Low | Record Precip |
|---|---|---|---|
| August 1 | 93.0°F (1900) | 33.1°F (2001) | 0.52 in (1948) |
| August 2 | 93.0°F (1961) | 0.0°F (1945) | 0.40 in (1959) |
| August 3 | 99.0°F (1941) | 26.1°F (1944) | 0.35 in (1918) |
| August 4 | 95.0°F (1961) | 27.0°F (1946) | 0.63 in (1976) |
| August 5 | 96.1°F (1941) | 25.0°F (1944) | 1.63 in (1993) |
| August 6 | 96.1°F (1941) | 30.0°F (1948) | 0.40 in (2025) |
| August 7 | 93.9°F (1990) | 24.1°F (1946) | 0.61 in (2015) |
| August 8 | 91.0°F (1936) | 24.1°F (1946) | 0.35 in (1964) |
| August 9 | 91.9°F (1940) | 25.0°F (1946) | 0.73 in (1941) |
| August 10 | 95.0°F (1969) | 34.0°F (1916) | 0.58 in (1936) |
| August 11 | 97.0°F (2018) | 30.9°F (1953) | 0.71 in (1989) |
| August 12 | 97.0°F (2018) | 34.0°F (1918) | 1.10 in (1969) |
| August 13 | 91.9°F (1937) | 33.1°F (1949) | 0.48 in (1999) |
| August 14 | 93.9°F (2003) | 30.0°F (1959) | 0.60 in (1972) |
| August 15 | 91.0°F (2003) | 30.0°F (1944) | 0.81 in (1987) |
| August 16 | 91.9°F (1970) | 30.9°F (1899) | 0.53 in (1936) |
| August 17 | 91.9°F (2021) | 27.0°F (1944) | 0.39 in (2025) |
| August 18 | 93.0°F (2020) | 24.1°F (1946) | 0.67 in (1983) |
| August 19 | 93.9°F (1943) | 25.0°F (1944) | 0.44 in (1990) |
| August 20 | 98.1°F (1942) | 28.9°F (1916) | 0.59 in (1959) |
| August 21 | 91.9°F (1960) | 27.0°F (1944) | 1.58 in (1993) |
| August 22 | 91.9°F (1969) | 30.0°F (1933) | 0.52 in (1962) |
| August 23 | 91.0°F (1969) | 30.0°F (1962) | 0.71 in (1976) |
| August 24 | 91.0°F (1917) | 30.9°F (1948) | 0.53 in (1995) |
| August 25 | 90.0°F (1988) | 24.1°F (1992) | 0.35 in (2006) |
| August 26 | 90.0°F (2008) | 23.0°F (1992) | 0.70 in (1933) |
| August 27 | 89.1°F (1971) | 26.1°F (1976) | 0.82 in (1966) |
| August 28 | 88.0°F (1934) | 27.0°F (1942) | 0.62 in (1999) |
| August 29 | 91.0°F (1948) | 24.1°F (2006) | 0.60 in (1971) |
| August 30 | 89.1°F (1954) | 23.0°F (1965) | 0.64 in (1957) |
| August 31 | 91.0°F (1955) | 24.1°F (1956) | 0.74 in (1963) |