August weather in Fortuna, ND
The average temperature in Fortuna in August is 65.7°F (51.5°F–79.9°F). Average precipitation: 1.46 inches.
August is a summer month in Fortuna, and is warmer than the annual average of 38.3°F. Daily temperatures swing about 28.4°F between overnight low and afternoon high. Expect about 5 days with precipitation. Daylight averages about 14h 11m. For travel, August is one of the best months of the year to visit.
Avg High
79.9°F
Avg Low
51.5°F
Precipitation
1.46 in
Daylight
14h 11m
August records in Fortuna
| Date | Record High | Record Low | Record Precip |
|---|---|---|---|
| August 1 | 102.0°F (1989) | 41.0°F (2009) | 0.75 in (2010) |
| August 2 | 102.0°F (1989) | 37.0°F (2002) | 1.17 in (1991) |
| August 3 | 95.0°F (1973) | 37.9°F (1978) | 1.25 in (1985) |
| August 4 | 99.0°F (1964) | 39.9°F (1978) | 0.55 in (2012) |
| August 5 | 96.1°F (1964) | 39.0°F (1977) | 0.90 in (2000) |
| August 6 | 96.1°F (1984) | 39.9°F (1989) | 0.40 in (2011) |
| August 7 | 105.1°F (1983) | 41.0°F (1989) | 0.70 in (2013) |
| August 8 | 100.0°F (1971) | 41.0°F (2019) | 1.67 in (2025) |
| August 9 | 97.0°F (2006) | 39.9°F (1985) | 0.50 in (2006) |
| August 10 | 93.9°F (1969) | 37.0°F (1986) | 1.85 in (2019) |
| August 11 | 98.1°F (2018) | 30.9°F (1964) | 0.70 in (2007) |
| August 12 | 102.9°F (2018) | 35.1°F (1964) | 0.90 in (2011) |
| August 13 | 100.9°F (2018) | 39.0°F (1977) | 0.55 in (2019) |
| August 14 | 99.0°F (1984) | 36.0°F (1979) | 0.95 in (2009) |
| August 15 | 102.9°F (2015) | 39.9°F (1979) | 1.50 in (1968) |
| August 16 | 98.1°F (2021) | 37.0°F (1975) | 1.40 in (1985) |
| August 17 | 99.0°F (2021) | 35.1°F (1986) | 1.44 in (1985) |
| August 18 | 96.1°F (2020) | 36.0°F (2002) | 2.00 in (1990) |
| August 19 | 97.0°F (2020) | 39.0°F (1987) | 0.80 in (1975) |
| August 20 | 98.1°F (2020) | 32.0°F (2004) | 0.85 in (1966) |
| August 21 | 99.0°F (1969) | 34.0°F (2004) | 1.77 in (1966) |
| August 22 | 98.1°F (1969) | 34.0°F (1987) | 0.68 in (1986) |
| August 23 | 100.0°F (1971) | 37.9°F (1987) | 0.95 in (1968) |
| August 24 | 102.9°F (1976) | 32.0°F (2007) | 0.78 in (1992) |
| August 25 | 98.1°F (1969) | 30.9°F (1992) | 0.92 in (1975) |
| August 26 | 97.0°F (1969) | 35.1°F (1992) | 1.97 in (1978) |
| August 27 | 98.1°F (1969) | 37.0°F (1982) | 1.40 in (2022) |
| August 28 | 98.1°F (1971) | 32.0°F (1988) | 1.10 in (2011) |
| August 29 | 99.0°F (1971) | 35.1°F (1974) | 0.52 in (1983) |
| August 30 | 95.0°F (1972) | 36.0°F (1992) | 0.57 in (1980) |
| August 31 | 93.9°F (1991) | 33.1°F (1992) | 1.00 in (2023) |