July weather in Lake Geneva, WI
The average temperature in Lake Geneva in July is 74.3°F (63.1°F–85.5°F). Average precipitation: 3.72 inches.
July is a summer month in Lake Geneva, and is warmer than the annual average of 49.4°F. Daily temperatures swing about 22.4°F between overnight low and afternoon high. Expect about 9 days with precipitation. Daylight averages about 14h 50m. For travel, July is a comfortable month to visit.
Avg High
85.5°F
Avg Low
63.1°F
Precipitation
3.72 in
Daylight
14h 50m
July records in Lake Geneva
| Date | Record High | Record Low | Record Precip |
|---|---|---|---|
| July 1 | 98.1°F (1963) | 39.0°F (1965) | 2.53 in (1978) |
| July 2 | 99.0°F (1966) | 43.0°F (2001) | 2.00 in (1962) |
| July 3 | 99.0°F (1966) | 48.0°F (1968) | 2.08 in (1960) |
| July 4 | 97.0°F (1949) | 46.0°F (1972) | 1.00 in (1983) |
| July 5 | 100.9°F (1988) | 44.1°F (1972) | 1.23 in (2024) |
| July 6 | 102.9°F (1988) | 39.0°F (1965) | 1.09 in (2025) |
| July 7 | 99.0°F (1988) | 48.0°F (1984) | 1.64 in (1954) |
| July 8 | 100.0°F (1988) | 48.9°F (1963) | 2.42 in (1971) |
| July 9 | 98.1°F (1989) | 48.0°F (1963) | 1.20 in (1951) |
| July 10 | 102.0°F (1966) | 43.0°F (1968) | 1.96 in (1993) |
| July 11 | 97.0°F (1976) | 45.0°F (1968) | 1.25 in (1984) |
| July 12 | 96.1°F (1952) | 50.0°F (1975) | 1.60 in (1957) |
| July 13 | 104.0°F (1995) | 48.9°F (1964) | 2.26 in (1960) |
| July 14 | 100.9°F (1995) | 46.0°F (1950) | 2.34 in (1985) |
| July 15 | 100.9°F (1988) | 46.9°F (1967) | 2.98 in (1972) |
| July 16 | 96.1°F (1968) | 43.0°F (1945) | 2.81 in (1950) |
| July 17 | 97.0°F (1964) | 51.1°F (1958) | 2.10 in (1950) |
| July 18 | 99.0°F (1991) | 51.1°F (2025) | 3.50 in (1952) |
| July 19 | 100.0°F (1991) | 50.0°F (1947) | 2.62 in (1963) |
| July 20 | 99.0°F (1991) | 48.0°F (1970) | 3.88 in (1978) |
| July 21 | 100.0°F (2002) | 46.0°F (1970) | 1.31 in (2019) |
| July 22 | 100.0°F (1965) | 46.0°F (1947) | 3.65 in (1982) |
| July 23 | 98.1°F (1999) | 48.9°F (1970) | 1.35 in (1952) |
| July 24 | 98.1°F (1964) | 48.9°F (2000) | 1.21 in (1968) |
| July 25 | 98.1°F (1999) | 54.0°F (1947) | 0.84 in (1985) |
| July 26 | 99.0°F (1955) | 48.0°F (1962) | 0.93 in (1969) |
| July 27 | 100.9°F (1955) | 50.0°F (1991) | 1.80 in (1989) |
| July 28 | 98.1°F (1988) | 48.9°F (1972) | 0.98 in (1952) |
| July 29 | 98.1°F (1999) | 48.9°F (1981) | 1.57 in (2023) |
| July 30 | 102.9°F (1999) | 48.0°F (1971) | 3.09 in (1959) |
| July 31 | 98.1°F (2001) | 50.0°F (1971) | 1.94 in (1973) |