Green Bay weather in July: Green Bay, Wisconsin: normal highs, lows, rain and records for July
Green Bay in July has a normal high of 81°F and a normal low of 60°F, a daily mean of 71°F, holding near 81°F all month. Measurable precipitation falls on 11 days in a normal July, 3.62 inches in all. (NOAA 1991-2020 normals)
In metric: a normal high of 27°C and low of 16°C, 92 mm of precipitation in July.
- NOAA stationGreen Bay A S International Airport
- Station IDUSW00014898
- Location44.50°N 88.11°W
- Elevation682 ft (208 m)
- From the center6 miles
- Population106,311
- Jan 26° 11°
- Feb 29° 13°
- Mar 40° 24°
- Apr 54° 35°
- May 67° 46°
- Jun 77° 56°
- Jul 81° 60°
- Aug 79° 58°
- Sep 72° 50°
- Oct 58° 40°
- Nov 44° 29°
- Dec 31° 18°
Each month: normal high (large) and low, °F. Fill: the month's normal mean, colder blue to hotter red.
How warm is Green Bay in July?
The normal high is 81°F and the normal low 60°F, for a daily mean of 70.5°F. July is 4.1°F warmer than June and 1.9°F warmer than August. July is the warmest month of the year in Green Bay and the 2nd wettest. Across the month the normal high rises 1°F, from 80°F on July 1 to 81°F on July 31. From one year to the next July's mean temperature typically moves about 2.8°F either way (NOAA's standard deviation), so roughly two Julys in three average between 68°F and 73°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 36%).
| Day | High | Low | Chance of 0.01 in | Chance of 0.10 in |
|---|---|---|---|---|
| July 1 | 80°F | 59°F | 36% | 23% |
| July 8 | 81°F | 60°F | 35% | 22% |
| July 15 | 81°F | 60°F | 35% | 22% |
| July 22 | 81°F | 60°F | 35% | 21% |
| July 31 | 81°F | 60°F | 34% | 21% |
Every day of July: normal high, low and chance of precipitation (warmest afternoon July 17, coldest night July 1)
| Day | High | Low | Chance of 0.01 in | Chance of 0.10 in | Daylight |
|---|---|---|---|---|---|
| July 1 | 80°F | 59°F | 36% | 23% | 15 h 30 min |
| July 2 | 80°F | 60°F | 36% | 23% | 15 h 30 min |
| July 3 | 80°F | 60°F | 36% | 23% | 15 h 30 min |
| July 4 | 81°F | 60°F | 35% | 23% | 15 h 30 min |
| July 5 | 81°F | 60°F | 35% | 22% | 15 h 30 min |
| July 6 | 81°F | 60°F | 35% | 22% | 15 h 30 min |
| July 7 | 81°F | 60°F | 35% | 22% | 15 h 30 min |
| July 8 | 81°F | 60°F | 35% | 22% | 15 h 20 min |
| July 9 | 81°F | 60°F | 35% | 22% | 15 h 20 min |
| July 10 | 81°F | 60°F | 35% | 22% | 15 h 20 min |
| July 11 | 81°F | 60°F | 35% | 22% | 15 h 20 min |
| July 12 | 81°F | 60°F | 35% | 22% | 15 h 20 min |
| July 13 | 81°F | 60°F | 35% | 22% | 15 h 20 min |
| July 14 | 81°F | 60°F | 35% | 22% | 15 h 20 min |
| July 15 | 81°F | 60°F | 35% | 22% | 15 h 10 min |
| July 16 | 81°F | 60°F | 35% | 22% | 15 h 10 min |
| July 17 | 81°F | 60°F | 35% | 22% | 15 h 10 min |
| July 18 | 81°F | 60°F | 35% | 22% | 15 h 10 min |
| July 19 | 81°F | 60°F | 35% | 22% | 15 h 10 min |
| July 20 | 81°F | 60°F | 35% | 21% | 15 h 10 min |
| July 21 | 81°F | 60°F | 35% | 21% | 15 h |
| July 22 | 81°F | 60°F | 35% | 21% | 15 h |
| July 23 | 81°F | 60°F | 35% | 21% | 15 h |
| July 24 | 81°F | 60°F | 35% | 21% | 15 h |
| July 25 | 81°F | 60°F | 35% | 21% | 15 h |
| July 26 | 81°F | 60°F | 35% | 21% | 14 h 50 min |
| July 27 | 81°F | 60°F | 34% | 21% | 14 h 50 min |
| July 28 | 81°F | 60°F | 34% | 21% | 14 h 50 min |
| July 29 | 81°F | 60°F | 34% | 21% | 14 h 50 min |
| July 30 | 81°F | 60°F | 34% | 21% | 14 h 50 min |
| July 31 | 81°F | 60°F | 34% | 21% | 14 h 40 min |
- Normal high
- 81°FJuly average
- Normal low
- 60°FJuly average
- Precipitation
- 3.62 inmonth total
- Days with precipitation
- 110.01 inch or more
- Days at 90°F or more
- 3
- Daylight
- 15 h 30 min to 14 h 40 minJuly 1 to July 31
- Days at 70°F or more
- 30
- Days at 80°F or more
- 19
- Sunshine
- 80%of clear-sky sunlight (NASA)
Source: NOAA NCEI 1991-2020 daily normals, station USW00014898; monthly normals. Daylight is computed from the place's latitude with NOAA's solar equations.
Does it rain in Green Bay in July?
On a given July day the chance of 0.01 inch or more is 35% on average, highest around July 1 (36%). In all, 3.62 in falls on 11 days of a normal July, 1 of them with an inch or more.
In a normal July in Green Bay, 3 days reach 90°F.
Source: NOAA NCEI 1991-2020 daily and monthly normals, station USW00014898.
How humid and windy is Green Bay in July?
At 3 p.m. the normal temperature is 79°F with 55% relative humidity and a dew point of 61°F; at 6 a.m. it is 64°F with 89% humidity. The wind averages 6.5 mph, most often from the west-southwest in the afternoon.
| Time | Temperature | Dew point | Humidity | Wind | Clear or few clouds |
|---|---|---|---|---|---|
| 6 a.m. | 64°F | 60°F | 89% | 4.7 mph | 66% |
| 9 a.m. | 73°F | 62°F | 70% | 7.5 mph | 63% |
| noon | 77°F | 62°F | 58% | 8.9 mph | 57% |
| 3 p.m. | 79°F | 61°F | 55% | 9.2 mph | 57% |
| 6 p.m. | 75°F | 62°F | 62% | 7.5 mph | 65% |
| 9 p.m. | 67°F | 61°F | 81% | 5.2 mph | 70% |
Source: NOAA NCEI 1991-2020 hourly normals, station USW00014898. Hourly normals exist only for NOAA's first-order stations; a dash where NOAA publishes no value for that hour (the sky at some hours).
What are the records for July in Green Bay?
The warmest July temperature on Green Bay's official record (since 1886) is 104°F, on July 13, 1936; the coldest is 40°F, on July 6, 1965. The wettest July brought 9.51 in (2010).
The July mean against the 1991-2020 normal of 70.5°F: 2021 70.4°F (−0.1), 2022 71.7°F (+1.2), 2023 71.3°F (+0.8), 2024 71.6°F (+1.1), 2025 71.3°F (+0.8), 2026 72.3°F (+1.8). 5 of 6 ran warmer than normal.
| July | Mean | Against normal | Precip. |
|---|---|---|---|
| 2021 | 70.4°F | −0.1°F | 4.42 in |
| 2022 | 71.7°F | +1.2°F | 5.29 in |
| 2023 | 71.3°F | +0.8°F | 3.04 in |
| 2024 | 71.6°F | +1.1°F | 3.90 in |
| 2025 | 71.3°F | +0.8°F | 4.13 in |
| 2026 | 72.3°F | +1.8°F | 4.09 in |
Source: records: ACIS, NWS threaded record GRBthr; recent months: ACIS, station USW00014898. Records and recent months use complete months only.
How does July in Green Bay 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; Green Bay's is 81°F.
Source: NOAA NCEI 1991-2020 monthly normals for every station in the state.