Lake Geneva weather in July: Lake Geneva, Wisconsin: normal highs, lows, rain and records for July
Lake Geneva in July has a normal high of 86°F and a normal low of 63°F, a daily mean of 74°F, holding near 86°F all month. Measurable precipitation falls on 9 days in a normal July, 3.72 inches in all. (NOAA 1991-2020 normals)
In metric: a normal high of 30°C and low of 17°C, 94 mm of precipitation in July.
- NOAA stationLake Geneva Wastewater Treatment Plant
- Station IDUSC00474457
- Location42.60°N 88.43°W
- Elevation846 ft (258 m)
- Population8,691
- Jan 30° 15°
- Feb 35° 17°
- Mar 45° 26°
- Apr 59° 37°
- May 72° 48°
- Jun 81° 58°
- Jul 86° 63°
- Aug 83° 61°
- Sep 76° 54°
- Oct 63° 42°
- Nov 47° 31°
- Dec 35° 21°
Each month: normal high (large) and low, °F. Fill: the month's normal mean, colder blue to hotter red.
How warm is Lake Geneva in July?
The normal high is 86°F and the normal low 63°F, for a daily mean of 74.3°F. July is 4.7°F warmer than June and 2.0°F warmer than August. July is the warmest month of the year in Lake Geneva and the 3rd wettest. From one year to the next July's mean temperature typically moves about 3.4°F either way (NOAA's standard deviation), so roughly two Julys in three average between 71°F and 78°F.
Bars above: each day's normal high to low. Columns below: the chance of 0.01 inch or more of precipitation that day, on a scale of 0 to 100% (highest 34%).
| Day | High | Low | Chance of 0.01 in | Chance of 0.10 in |
|---|---|---|---|---|
| July 1 | 85°F | 62°F | 34% | 22% |
| July 8 | 86°F | 63°F | 33% | 21% |
| July 15 | 86°F | 63°F | 32% | 20% |
| July 22 | 86°F | 63°F | 31% | 20% |
| July 31 | 85°F | 63°F | 31% | 19% |
Every day of July: normal high, low and chance of precipitation (warmest afternoon July 10, coldest night July 1)
| Day | High | Low | Chance of 0.01 in | Chance of 0.10 in | Daylight |
|---|---|---|---|---|---|
| July 1 | 85°F | 62°F | 34% | 22% | 15 h 20 min |
| July 2 | 85°F | 62°F | 34% | 22% | 15 h 20 min |
| July 3 | 85°F | 63°F | 34% | 22% | 15 h 10 min |
| July 4 | 86°F | 63°F | 34% | 21% | 15 h 10 min |
| July 5 | 86°F | 63°F | 33% | 21% | 15 h 10 min |
| July 6 | 86°F | 63°F | 33% | 21% | 15 h 10 min |
| July 7 | 86°F | 63°F | 33% | 21% | 15 h 10 min |
| July 8 | 86°F | 63°F | 33% | 21% | 15 h 10 min |
| July 9 | 86°F | 63°F | 33% | 21% | 15 h 10 min |
| July 10 | 86°F | 63°F | 32% | 21% | 15 h 10 min |
| July 11 | 86°F | 63°F | 32% | 21% | 15 h 10 min |
| July 12 | 86°F | 63°F | 32% | 21% | 15 h 10 min |
| July 13 | 86°F | 63°F | 32% | 20% | 15 h |
| July 14 | 86°F | 63°F | 32% | 20% | 15 h |
| July 15 | 86°F | 63°F | 32% | 20% | 15 h |
| July 16 | 86°F | 63°F | 32% | 20% | 15 h |
| July 17 | 86°F | 63°F | 32% | 20% | 15 h |
| July 18 | 86°F | 63°F | 32% | 20% | 15 h |
| July 19 | 86°F | 63°F | 32% | 20% | 15 h |
| July 20 | 86°F | 63°F | 31% | 20% | 14 h 50 min |
| July 21 | 86°F | 63°F | 31% | 20% | 14 h 50 min |
| July 22 | 86°F | 63°F | 31% | 20% | 14 h 50 min |
| July 23 | 85°F | 63°F | 31% | 20% | 14 h 50 min |
| July 24 | 85°F | 63°F | 31% | 20% | 14 h 50 min |
| July 25 | 85°F | 63°F | 31% | 20% | 14 h 50 min |
| July 26 | 85°F | 63°F | 31% | 19% | 14 h 40 min |
| July 27 | 85°F | 63°F | 31% | 19% | 14 h 40 min |
| July 28 | 85°F | 63°F | 31% | 19% | 14 h 40 min |
| July 29 | 85°F | 63°F | 31% | 19% | 14 h 40 min |
| July 30 | 85°F | 63°F | 31% | 19% | 14 h 40 min |
| July 31 | 85°F | 63°F | 31% | 19% | 14 h 30 min |
- Normal high
- 86°FJuly average
- Normal low
- 63°FJuly average
- Precipitation
- 3.72 inmonth total
- Days with precipitation
- 90.01 inch or more
- Days at 90°F or more
- 8
- Daylight
- 15 h 20 min to 14 h 30 minJuly 1 to July 31
- Days at 70°F or more
- 31
- Days at 80°F or more
- 26
- Sunshine
- 80%of clear-sky sunlight (NASA)
Source: NOAA NCEI 1991-2020 daily normals, station USC00474457; monthly normals. Daylight is computed from the place's latitude with NOAA's solar equations.
Does it rain in Lake Geneva in July?
On a given July day the chance of 0.01 inch or more is 32% on average, highest around July 1 (34%). In all, 3.72 in falls on 9 days of a normal July, 1 of them with an inch or more.
In a normal July in Lake Geneva, 8 days reach 90°F.
Source: NOAA NCEI 1991-2020 daily and monthly normals, station USC00474457.
What are the records for July in Lake Geneva?
The warmest July temperature on this station's record (since 1945) is 104°F, on July 13, 1995; the coldest is 39°F, on July 6, 1965. The wettest July brought 10.01 in (1978).
The July mean against the 1991-2020 normal of 74.3°F: 2023 71.8°F (−2.5), 2024 70.6°F (−3.7), 2025 73.5°F (−0.8), 2026 74.0°F (−0.3). 0 of 4 ran warmer than normal.
| July | Mean | Against normal | Precip. |
|---|---|---|---|
| 2023 | 71.8°F | −2.5°F | 4.53 in |
| 2024 | 70.6°F | −3.7°F | 6.57 in |
| 2025 | 73.5°F | −0.8°F | 6.63 in |
| 2026 | 74.0°F | −0.3°F | 1.33 in |
Source: records: ACIS, station USC00474457; recent months: ACIS, station USC00474457. Records and recent months use complete months only.
How does July in Lake Geneva compare across Wisconsin?
Across the 165 places PlainClimate covers in Wisconsin, July normal highs run from 73°F in Laona to 86°F in Lake Geneva; Lake Geneva's is 86°F.
Source: NOAA NCEI 1991-2020 monthly normals for every station in the state.