August weather in Grantsville, WV
The average temperature in Grantsville in August is 73.5°F (61.6°F–85.3°F). Average precipitation: 3.94 inches.
August is a summer month in Grantsville, and is warmer than the annual average of 53.6°F. Daily temperatures swing about 23.7°F between overnight low and afternoon high. Daylight averages about 13h 31m. For travel, August is a comfortable month to visit.
Avg High
85.3°F
Avg Low
61.6°F
Precipitation
3.94 in
Daylight
13h 31m
August records in Grantsville
| Date | Record High | Record Low | Record Precip |
|---|---|---|---|
| August 1 | 96.1°F (1953) | 54.0°F (1952) | 1.70 in (2009) |
| August 2 | 97.0°F (1970) | 48.9°F (1952) | 2.56 in (1968) |
| August 3 | 96.1°F (1955) | 51.1°F (1965) | 1.45 in (1960) |
| August 4 | 102.0°F (1955) | 45.0°F (1965) | 2.22 in (2016) |
| August 5 | 100.9°F (1955) | 42.1°F (1965) | 1.85 in (1971) |
| August 6 | 97.0°F (1955) | 45.0°F (1957) | 2.00 in (1975) |
| August 7 | 96.1°F (1955) | 46.0°F (1957) | 0.95 in (2020) |
| August 8 | 93.9°F (2007) | 50.0°F (1964) | 1.67 in (1958) |
| August 9 | 97.0°F (2007) | 50.0°F (1942) | 0.74 in (1953) |
| August 10 | 98.1°F (2007) | 48.9°F (1972) | 3.86 in (1969) |
| August 11 | 96.1°F (1980) | 48.0°F (1942) | 1.51 in (1978) |
| August 12 | 96.1°F (1980) | 46.0°F (1967) | 2.00 in (2010) |
| August 13 | 96.1°F (2021) | 45.0°F (1967) | 0.77 in (1962) |
| August 14 | 96.1°F (2005) | 39.9°F (1963) | 1.40 in (1956) |
| August 15 | 97.0°F (1959) | 43.0°F (1964) | 1.49 in (1949) |
| August 16 | 96.1°F (1965) | 46.0°F (1979) | 1.69 in (1950) |
| August 17 | 98.1°F (2007) | 46.0°F (1979) | 1.10 in (2003) |
| August 18 | 93.9°F (1965) | 46.9°F (1979) | 2.56 in (2013) |
| August 19 | 93.9°F (2019) | 41.0°F (1942) | 1.91 in (1980) |
| August 20 | 93.0°F (1955) | 44.1°F (1942) | 1.70 in (1967) |
| August 21 | 97.0°F (1955) | 46.0°F (1942) | 1.15 in (2016) |
| August 22 | 96.1°F (1962) | 46.0°F (1942) | 1.60 in (2022) |
| August 23 | 95.0°F (1959) | 39.9°F (1942) | 1.80 in (1942) |
| August 24 | 97.0°F (1959) | 42.1°F (1942) | 1.70 in (1945) |
| August 25 | 97.0°F (2007) | 39.9°F (1942) | 1.40 in (1958) |
| August 26 | 96.1°F (1948) | 39.0°F (1942) | 0.89 in (1978) |
| August 27 | 99.0°F (1948) | 30.9°F (1942) | 0.49 in (2005) |
| August 28 | 99.0°F (1948) | 41.0°F (1969) | 1.57 in (2008) |
| August 29 | 100.0°F (1948) | 44.1°F (1965) | 1.18 in (1976) |
| August 30 | 99.0°F (1953) | 45.0°F (1976) | 2.11 in (1974) |
| August 31 | 99.0°F (1953) | 43.0°F (1968) | 1.92 in (1978) |