August weather in Garrison, ND
The average temperature in Garrison in August is 68.5°F (55.9°F–81.2°F). Average precipitation: 2.11 inches.
August is a summer month in Garrison, and is warmer than the annual average of 41.5°F. Daily temperatures swing about 25.3°F between overnight low and afternoon high. Expect about 7 days with precipitation. Daylight averages about 14h 5m. For travel, August is a comfortable month to visit.
Avg High
81.2°F
Avg Low
55.9°F
Precipitation
2.11 in
Daylight
14h 5m
August records in Garrison
| Date | Record High | Record Low | Record Precip |
|---|---|---|---|
| August 1 | 100.0°F (2007) | 41.0°F (1948) | 1.24 in (1975) |
| August 2 | 99.0°F (1989) | 42.1°F (1971) | 0.78 in (1963) |
| August 3 | 100.0°F (1989) | 39.0°F (1972) | 1.34 in (1998) |
| August 4 | 102.0°F (1983) | 39.9°F (1978) | 0.62 in (1980) |
| August 5 | 100.9°F (1959) | 41.0°F (1977) | 1.35 in (2000) |
| August 6 | 100.0°F (1949) | 43.0°F (1989) | 1.50 in (1984) |
| August 7 | 108.0°F (1949) | 42.1°F (1964) | 1.48 in (1982) |
| August 8 | 105.1°F (1949) | 41.0°F (2024) | 1.17 in (2025) |
| August 9 | 102.9°F (1958) | 39.9°F (1985) | 1.89 in (2002) |
| August 10 | 100.0°F (1969) | 39.0°F (1997) | 0.44 in (1980) |
| August 11 | 100.0°F (1988) | 37.0°F (1964) | 1.44 in (1962) |
| August 12 | 100.0°F (1958) | 33.1°F (1964) | 2.83 in (1999) |
| August 13 | 104.0°F (2018) | 36.0°F (1964) | 0.63 in (2010) |
| August 14 | 98.1°F (1978) | 34.0°F (1979) | 1.43 in (1986) |
| August 15 | 100.0°F (2015) | 39.9°F (1968) | 0.75 in (2019) |
| August 16 | 102.9°F (2021) | 42.1°F (1975) | 2.00 in (2014) |
| August 17 | 104.0°F (2021) | 37.0°F (1950) | 1.56 in (2014) |
| August 18 | 102.0°F (2003) | 37.0°F (2002) | 1.06 in (2006) |
| August 19 | 98.1°F (1973) | 34.0°F (1950) | 0.55 in (1951) |
| August 20 | 96.1°F (1964) | 32.0°F (2004) | 1.48 in (2000) |
| August 21 | 102.9°F (1971) | 35.1°F (2004) | 0.66 in (1980) |
| August 22 | 96.1°F (1962) | 39.0°F (1974) | 1.63 in (1979) |
| August 23 | 98.1°F (1952) | 39.0°F (1950) | 1.58 in (1975) |
| August 24 | 99.0°F (1976) | 35.1°F (1958) | 2.12 in (2004) |
| August 25 | 99.0°F (1996) | 34.0°F (1964) | 1.15 in (1951) |
| August 26 | 99.0°F (1984) | 37.0°F (1980) | 1.80 in (1960) |
| August 27 | 96.1°F (1958) | 28.9°F (1982) | 0.95 in (1998) |
| August 28 | 99.0°F (1973) | 34.0°F (1988) | 1.03 in (1989) |
| August 29 | 100.0°F (1959) | 34.0°F (1988) | 1.12 in (1952) |
| August 30 | 100.0°F (1961) | 37.9°F (1980) | 1.56 in (1964) |
| August 31 | 96.1°F (2008) | 36.0°F (1974) | 1.51 in (2010) |