July weather in Waterloo, IL
The average temperature in Waterloo in July is °F (°F–°F). Average precipitation: 4.95 inches.
July is a summer month in Waterloo, and is cooler than the annual average of 0°F. Expect about 8 days with precipitation. Daylight averages about 14h 25m.
Avg High
°F
Avg Low
°F
Precipitation
4.95 in
Daylight
14h 25m
July records in Waterloo
| Date | Record High | Record Low | Record Precip |
|---|---|---|---|
| July 1 | 97.0°F (1970) | 54.0°F (1976) | 2.18 in (1947) |
| July 2 | 104.0°F (1980) | 55.9°F (1995) | 1.56 in (1999) |
| July 3 | 96.1°F (1970) | 53.1°F (1968) | 1.70 in (1992) |
| July 4 | 96.1°F (1966) | 50.0°F (1968) | 2.60 in (2024) |
| July 5 | 100.0°F (1966) | 52.0°F (1972) | 1.97 in (1981) |
| July 6 | 100.0°F (1966) | 46.9°F (1972) | 2.06 in (2005) |
| July 7 | 97.0°F (1966) | 54.0°F (1972) | 2.20 in (1975) |
| July 8 | 99.0°F (1980) | 55.0°F (1983) | 1.99 in (1933) |
| July 9 | 100.9°F (1966) | 52.0°F (1963) | 2.66 in (1942) |
| July 10 | 104.0°F (1966) | 55.0°F (1996) | 4.00 in (1973) |
| July 11 | 105.1°F (1966) | 55.9°F (1975) | 2.70 in (1977) |
| July 12 | 106.0°F (1966) | 54.0°F (1975) | 2.82 in (2005) |
| July 13 | 104.0°F (1966) | 50.0°F (1975) | 1.63 in (1963) |
| July 14 | 105.1°F (1966) | 48.9°F (1967) | 1.15 in (2005) |
| July 15 | 102.9°F (1966) | 48.0°F (1967) | 1.28 in (1955) |
| July 16 | 105.1°F (1980) | 55.9°F (1967) | 1.90 in (2024) |
| July 17 | 105.1°F (1980) | 54.0°F (1976) | 2.58 in (2024) |
| July 18 | 102.0°F (1988) | 55.9°F (1976) | 2.85 in (1958) |
| July 19 | 99.0°F (1974) | 57.0°F (1984) | 1.87 in (1958) |
| July 20 | 100.9°F (1980) | 59.0°F (1971) | 3.75 in (1949) |
| July 21 | 102.9°F (1983) | 51.1°F (1970) | 2.49 in (1931) |
| July 22 | 102.0°F (1983) | 53.1°F (1966) | 1.85 in (1990) |
| July 23 | 102.9°F (1983) | 59.0°F (1988) | 1.65 in (1981) |
| July 24 | 102.9°F (1983) | 55.9°F (1980) | 2.08 in (1978) |
| July 25 | 100.0°F (1983) | 59.0°F (2000) | 2.24 in (1983) |
| July 26 | 102.0°F (1986) | 57.0°F (1962) | 2.56 in (1948) |
| July 27 | 100.9°F (1976) | 52.0°F (1971) | 2.55 in (1917) |
| July 28 | 97.0°F (1974) | 55.9°F (1994) | 5.32 in (1979) |
| July 29 | 98.1°F (1983) | 54.0°F (1971) | 2.02 in (1956) |
| July 30 | 102.9°F (1999) | 54.0°F (1965) | 3.71 in (1919) |
| July 31 | 102.0°F (1970) | 51.1°F (1971) | 1.84 in (1928) |