August weather in Grangeville, ID
The average temperature in Grangeville in August is 67.7°F (52.9°F–82.5°F). Average precipitation: 0.90 inches.
August is a summer month in Grangeville, and is warmer than the annual average of 47.5°F. Daily temperatures swing about 29.6°F between overnight low and afternoon high. Expect about 5 days with precipitation. Daylight averages about 13h 57m. For travel, August is a comfortable month to visit.
Avg High
82.5°F
Avg Low
52.9°F
Precipitation
0.90 in
Daylight
13h 57m
August records in Grangeville
| Date | Record High | Record Low | Record Precip |
|---|---|---|---|
| August 1 | 100.0°F (1971) | 37.9°F (1963) | 1.56 in (1960) |
| August 2 | 100.9°F (1961) | 37.9°F (1987) | 0.86 in (1965) |
| August 3 | 100.0°F (1961) | 37.9°F (1956) | 0.45 in (1976) |
| August 4 | 106.0°F (1961) | 39.9°F (1956) | 0.75 in (1962) |
| August 5 | 102.9°F (1998) | 41.0°F (1935) | 0.45 in (1984) |
| August 6 | 96.1°F (1930) | 39.9°F (1969) | 1.10 in (1896) |
| August 7 | 100.0°F (1983) | 37.9°F (1946) | 1.26 in (2009) |
| August 8 | 100.9°F (1930) | 39.0°F (1946) | 0.12 in (1976) |
| August 9 | 100.0°F (1935) | 39.9°F (1995) | 0.24 in (1948) |
| August 10 | 100.0°F (1996) | 39.9°F (1947) | 0.54 in (1952) |
| August 11 | 99.0°F (1929) | 43.0°F (1932) | 1.47 in (1995) |
| August 12 | 100.0°F (2001) | 39.9°F (1966) | 0.79 in (1965) |
| August 13 | 100.0°F (1994) | 37.9°F (1974) | 1.15 in (1925) |
| August 14 | 100.9°F (1992) | 39.0°F (1928) | 0.75 in (1968) |
| August 15 | 100.0°F (1992) | 39.0°F (1960) | 0.62 in (1954) |
| August 16 | 98.1°F (1931) | 39.0°F (1968) | 0.71 in (1978) |
| August 17 | 96.1°F (1932) | 36.0°F (1987) | 0.51 in (1926) |
| August 18 | 98.1°F (1931) | 37.0°F (1987) | 0.76 in (1975) |
| August 19 | 100.9°F (1942) | 35.1°F (1980) | 0.72 in (1923) |
| August 20 | 95.0°F (1977) | 37.9°F (1904) | 1.35 in (1924) |
| August 21 | 96.1°F (1991) | 39.0°F (1966) | 0.65 in (1928) |
| August 22 | 99.0°F (1961) | 37.0°F (1960) | 1.17 in (1965) |
| August 23 | 102.0°F (1969) | 36.0°F (1992) | 0.85 in (1975) |
| August 24 | 98.1°F (1966) | 28.9°F (1992) | 0.54 in (1977) |
| August 25 | 96.1°F (1958) | 30.9°F (1992) | 1.63 in (1903) |
| August 26 | 96.1°F (2001) | 37.9°F (1992) | 1.05 in (1956) |
| August 27 | 98.1°F (1929) | 35.1°F (1976) | 0.49 in (1956) |
| August 28 | 96.1°F (1998) | 35.1°F (1960) | 1.14 in (1975) |
| August 29 | 98.1°F (1931) | 33.1°F (1980) | 0.66 in (1926) |
| August 30 | 102.0°F (1929) | 34.0°F (1965) | 0.89 in (1977) |
| August 31 | 97.0°F (1967) | 33.1°F (1977) | 0.79 in (1971) |