July weather in Petaluma, CA
The average temperature in Petaluma in July is 66.6°F (52.4°F–80.8°F). Average precipitation: 0.01 inches.
July is a summer month in Petaluma, and is warmer than the annual average of 58°F. Daily temperatures swing about 28.4°F between overnight low and afternoon high. Expect about 0 days with precipitation. Daylight averages about 14h 25m. For travel, July is a comfortable month to visit.
Avg High
80.8°F
Avg Low
52.4°F
Precipitation
0.01 in
Daylight
14h 25m
July records in Petaluma
| Date | Record High | Record Low | Record Precip |
|---|---|---|---|
| July 1 | 102.0°F (1984) | 39.0°F (1919) | 0.12 in (1916) |
| July 2 | 105.1°F (1991) | 39.9°F (1933) | 0.19 in (1980) |
| July 3 | 102.9°F (1931) | 39.9°F (1985) | 0.00 in (1893) |
| July 4 | 105.1°F (1931) | 44.1°F (1954) | 0.19 in (1981) |
| July 5 | 99.0°F (1921) | 42.1°F (1955) | 0.08 in (1895) |
| July 6 | 102.9°F (1921) | 41.0°F (1918) | 0.00 in (1893) |
| July 7 | 105.1°F (1921) | 42.1°F (1916) | 0.00 in (1893) |
| July 8 | 100.9°F (2008) | 41.0°F (1933) | 0.91 in (1974) |
| July 9 | 106.0°F (1961) | 39.0°F (1933) | 0.04 in (1974) |
| July 10 | 109.0°F (1959) | 39.9°F (1918) | 0.02 in (2015) |
| July 11 | 108.0°F (1913) | 42.1°F (1918) | 0.00 in (1893) |
| July 12 | 100.0°F (1983) | 39.9°F (1935) | 0.00 in (1893) |
| July 13 | 108.0°F (1972) | 39.9°F (1996) | 0.00 in (1893) |
| July 14 | 109.9°F (1972) | 42.1°F (1913) | 0.00 in (1893) |
| July 15 | 107.1°F (1972) | 43.0°F (1913) | 0.12 in (1975) |
| July 16 | 97.0°F (1988) | 44.1°F (1913) | 0.00 in (1893) |
| July 17 | 107.1°F (1988) | 44.1°F (1913) | 0.00 in (1893) |
| July 18 | 102.9°F (1961) | 46.0°F (1919) | 0.10 in (2007) |
| July 19 | 100.9°F (1936) | 44.1°F (1918) | 0.00 in (1893) |
| July 20 | 100.9°F (1917) | 43.0°F (1918) | 0.00 in (1893) |
| July 21 | 100.0°F (1917) | 42.1°F (1934) | 0.00 in (1893) |
| July 22 | 100.9°F (1916) | 43.0°F (1914) | 0.07 in (1913) |
| July 23 | 106.0°F (2006) | 39.9°F (1922) | 0.06 in (1959) |
| July 24 | 100.0°F (1974) | 41.0°F (1934) | 0.00 in (1893) |
| July 25 | 102.0°F (1973) | 41.0°F (1925) | 0.04 in (1946) |
| July 26 | 105.1°F (1973) | 42.1°F (1923) | 0.00 in (1893) |
| July 27 | 100.9°F (1923) | 35.1°F (2007) | 0.00 in (1893) |
| July 28 | 104.0°F (1954) | 42.1°F (1916) | 0.05 in (1964) |
| July 29 | 100.0°F (1954) | 39.9°F (1998) | 0.00 in (1893) |
| July 30 | 104.0°F (1977) | 39.9°F (1998) | 0.00 in (1893) |
| July 31 | 100.9°F (1993) | 39.0°F (1919) | 0.00 in (1893) |