July weather in Rock Island, WA
The average temperature in Rock Island in July is 74.7°F (61.8°F–87.6°F). Average precipitation: 0.24 inches.
July is a summer month in Rock Island, and is warmer than the annual average of 51.2°F. Daily temperatures swing about 25.8°F between overnight low and afternoon high. Expect about 3 days with precipitation. Daylight averages about 15h 23m. For travel, July is a comfortable month to visit.
Avg High
87.6°F
Avg Low
61.8°F
Precipitation
0.24 in
Daylight
15h 23m
July records in Rock Island
| Date | Record High | Record Low | Record Precip |
|---|---|---|---|
| July 1 | 100.9°F (1987) | 48.0°F (1979) | 0.11 in (1966) |
| July 2 | 104.0°F (2013) | 43.0°F (1962) | 0.66 in (1966) |
| July 3 | 106.0°F (2015) | 46.9°F (1990) | 0.75 in (1965) |
| July 4 | 105.1°F (2015) | 46.0°F (1994) | 0.46 in (2022) |
| July 5 | 102.9°F (1968) | 45.0°F (1977) | 0.67 in (1994) |
| July 6 | 104.0°F (1968) | 46.0°F (1971) | 0.13 in (1993) |
| July 7 | 100.0°F (2015) | 43.0°F (1971) | 0.21 in (2002) |
| July 8 | 102.9°F (1968) | 45.0°F (1981) | 0.34 in (1964) |
| July 9 | 105.1°F (1975) | 46.9°F (1972) | 0.23 in (1995) |
| July 10 | 105.1°F (2024) | 48.9°F (1972) | 0.23 in (1989) |
| July 11 | 104.0°F (1990) | 48.0°F (1981) | 0.03 in (1982) |
| July 12 | 104.0°F (2002) | 48.0°F (1974) | 0.10 in (2015) |
| July 13 | 105.1°F (1961) | 50.0°F (1969) | 0.06 in (1991) |
| July 14 | 102.9°F (1996) | 50.0°F (1969) | 0.08 in (1993) |
| July 15 | 105.1°F (2014) | 50.0°F (1986) | 0.02 in (1978) |
| July 16 | 106.0°F (2014) | 46.0°F (1982) | 0.20 in (1983) |
| July 17 | 105.1°F (1960) | 46.9°F (1986) | 0.29 in (2012) |
| July 18 | 106.0°F (1960) | 46.9°F (1996) | 0.28 in (1987) |
| July 19 | 107.1°F (1979) | 48.9°F (1996) | 0.29 in (2004) |
| July 20 | 105.1°F (1979) | 52.0°F (1972) | 0.39 in (1965) |
| July 21 | 105.1°F (1994) | 51.1°F (1984) | 0.04 in (1972) |
| July 22 | 107.1°F (1994) | 48.9°F (1982) | 0.08 in (1992) |
| July 23 | 107.1°F (2006) | 48.9°F (1963) | 0.63 in (1992) |
| July 24 | 105.1°F (1994) | 53.1°F (2014) | 0.15 in (1981) |
| July 25 | 102.0°F (1988) | 52.0°F (1966) | 0.31 in (2011) |
| July 26 | 106.0°F (1998) | 53.1°F (1983) | 0.65 in (1978) |
| July 27 | 108.0°F (1998) | 54.0°F (1976) | 0.00 in (1960) |
| July 28 | 109.0°F (2022) | 52.0°F (1970) | 0.27 in (1993) |
| July 29 | 105.1°F (2014) | 52.0°F (1983) | 0.30 in (1997) |
| July 30 | 105.1°F (2020) | 46.9°F (1993) | 0.30 in (1982) |
| July 31 | 105.1°F (1971) | 51.1°F (1964) | 0.04 in (1985) |