July weather in Grass Valley, CA
The average temperature in Grass Valley in July is 73.1°F (58.2°F–88.0°F). Average precipitation: 0.00 inches.
July is a summer month in Grass Valley, and is warmer than the annual average of 56.1°F. Daily temperatures swing about 29.8°F between overnight low and afternoon high. Expect about 0 days with precipitation. Daylight averages about 14h 30m. For travel, July is hot.
Avg High
88.0°F
Avg Low
58.2°F
Precipitation
0.00 in
Daylight
14h 30m
July records in Grass Valley
| Date | Record High | Record Low | Record Precip |
|---|---|---|---|
| July 1 | 100.0°F (1972) | 43.0°F (1997) | 0.03 in (1982) |
| July 2 | 99.0°F (1972) | 43.0°F (1978) | 0.45 in (1980) |
| July 3 | 100.0°F (2023) | 45.0°F (1983) | 0.41 in (1980) |
| July 4 | 100.9°F (2024) | 44.1°F (1987) | 0.00 in (1967) |
| July 5 | 102.0°F (1970) | 44.1°F (1977) | 0.00 in (1967) |
| July 6 | 102.9°F (2024) | 46.0°F (1977) | 0.00 in (1967) |
| July 7 | 106.0°F (2024) | 46.0°F (1983) | 0.00 in (1967) |
| July 8 | 102.9°F (2024) | 42.1°F (1983) | 1.10 in (1974) |
| July 9 | 102.9°F (2008) | 41.0°F (1983) | 2.62 in (1974) |
| July 10 | 102.9°F (2008) | 43.0°F (1983) | 0.10 in (1974) |
| July 11 | 105.1°F (2021) | 44.1°F (1974) | 0.02 in (2014) |
| July 12 | 102.9°F (2021) | 45.0°F (1981) | 0.00 in (1967) |
| July 13 | 105.1°F (2024) | 48.0°F (1981) | 0.00 in (1967) |
| July 14 | 105.1°F (1972) | 50.0°F (2011) | 0.00 in (1967) |
| July 15 | 108.0°F (1972) | 48.0°F (1989) | 0.01 in (1975) |
| July 16 | 108.0°F (1972) | 48.9°F (1983) | 0.08 in (1975) |
| July 17 | 100.9°F (2023) | 46.9°F (1983) | 0.00 in (1967) |
| July 18 | 100.9°F (1988) | 42.1°F (1983) | 0.03 in (1987) |
| July 19 | 102.0°F (1988) | 43.0°F (1983) | 0.00 in (1967) |
| July 20 | 100.0°F (1970) | 43.0°F (1983) | 0.00 in (1967) |
| July 21 | 100.0°F (1988) | 43.0°F (1983) | 0.23 in (1979) |
| July 22 | 100.0°F (2023) | 39.9°F (1987) | 0.07 in (1979) |
| July 23 | 100.0°F (2023) | 43.0°F (1983) | 0.01 in (1969) |
| July 24 | 100.0°F (2024) | 45.0°F (1987) | 0.02 in (2012) |
| July 25 | 104.0°F (2019) | 45.0°F (1987) | 0.00 in (1967) |
| July 26 | 102.0°F (1975) | 42.1°F (1983) | 0.00 in (1967) |
| July 27 | 102.0°F (1975) | 42.1°F (1983) | 0.00 in (1967) |
| July 28 | 99.0°F (1980) | 46.9°F (1983) | 0.00 in (1967) |
| July 29 | 99.0°F (2003) | 46.0°F (1985) | 0.00 in (1967) |
| July 30 | 100.0°F (2003) | 45.0°F (1987) | 0.00 in (1967) |
| July 31 | 98.1°F (2015) | 45.0°F (1989) | 0.01 in (1968) |