Green Bay, WI weather in July
July in Green Bay: warm, with frequent rain. Highs 81°F, lows 60°F, rain on about 11 days. This is the peak of the warm season in Green Bay. A good month for most outdoor plans.
- Normal high
- 81°F
- Normal low
- 60°F
- Wet days
- 11
- 3.6 in total
- Muggy days
- 9
- dew point 65°F+
How July changes from start to finish
| July 1 | July 31 | |
|---|---|---|
| Normal high | 80°F | 81°F |
| Normal low | 59°F | 60°F |
| Chance of a wet day | 35% | 34% |
| Sunrise / sunset | 5:11 am / 8:40 pm | 5:37 am / 8:19 pm |
| Daylight | 15.5 h | 14.7 h |
Chance of a wet day: average for the first and last 7 days of the month. Times are local clock time (Central Time).
A typical July day
- 6 am65°Fdew point 60°F
- 9 am73°Fdew point 62°F
- Noon78°Fdew point 62°F
- 3 pm79°Fdew point 61°F
- 6 pm76°Fdew point 62°F
- 9 pm68°Fdew point 61°F
NOAA hourly normals (local standard time) from Green Bay (5 mi away); average wind 7 mph; clear or few clouds in 61% of daytime hours, mostly cloudy or overcast in 28%.
What kind of days to expect
- Comfortable dayshigh 65-80°F and dew point under 60°F10 of 31
- Beach dayshigh 80-95°F, under 0.05 in of rain, afternoon wind under 15 mph13 of 31
- Hot dayshigh 90°F or more3 of 31
- Muggy daysdaily mean dew point 65°F or more9 of 31
- Wet daysat least 0.01 in of rain or melted snow11 of 31
- Notable rainat least 0.10 in7 of 31
- Freezing nightslow 32°F or below0 of 31
- Snow on the groundsnow depth 1 in or more0 of 31
Average days per July, counted from daily records for each year 1991-2020.
Rain in July
Normal precipitation is 3.6 in; a dry July brings about 1.9 in and a wet one about 4.7 in (25th and 75th percentiles). About 2 days bring half an inch or more, and about 1 an inch or more.
How July varies from year to year
- Warmest July, 1991-20202012: average high 88°F
- Coolest July1992: average high 75°F
- Wettest July2010: 9.5 in
- Driest July2001: 0.8 in
- Highest reading103°F (July 13, 1995)
- Lowest reading44°F (July 7, 1997)
From the station's daily records with NOAA quality flags removed; most recent date shown when a reading repeats.
July compared with June and August
| June | July | August | |
|---|---|---|---|
| Normal high | 77°F | 81°F | 79°F |
| Normal low | 56°F | 60°F | 58°F |
| Wet days | 11 | 11 | 10 |
| Comfortable days | 14 | 10 | 12 |
| Daylight | 15.5 h | 15.2 h | 14.0 h |
Highs change by +4°F from June and -2°F into August.
Nearby alternatives in July
- Warmer: Davenport, IA244 mi · high 86°F · 9 wet days
- Cooler: Sister Bay, WI64 mi · high 76°F · 10 wet days
How Green Bay ranks in July
- Normal high312th warmest of 378 cities; 4th of 5 in Wisconsin
- Wet days264th driest of 378
- Comfortable days54th most of 340
What to pack for Green Bay in July
- A rain jacket or umbrella – rain on about 11 days
- A swimsuit – about 13 beach days
- Sunglasses and sunscreen – about 15.2 hours of daylight and highs near 81°F
Heating and cooling
July has 14 heating degree days and 186 cooling degree days (base 65°F), 2% of the year's total heating and cooling demand.
Questions
How hot is Green Bay in July?
The normal high is 81°F and the normal low is 60°F. From 1991 to 2020 the hottest July reading was 103°F (July 13, 1995).
Does it rain a lot in Green Bay in July?
About 11 days in July have at least 0.01 in of precipitation, and the normal total is 3.6 in. The wettest July in 1991-2020 was in 2010 (9.5 in); the driest was in 2001 (0.9 in).
Is July a good time to visit Green Bay?
July ranks 5th of 12 months on our comfort score for Green Bay (66 out of 100). It has about 10 comfortable days and about 3 days at 90°F or hotter. The best months are May, June and September.
Where the numbers come from
- Temperature, rain, snowfall, snow depth, frost dates, humidity and wind by hour and cloud cover: Green Bay (USW00014898), 4.7 mi WSW of the city center, 682 ft (89 ft higher than the city). NOAA normals and daily records, 1991-2020.
- Daily humidity and wind: Austin Straubel International Airport (726450-14898), 6.4 mi WSW of the city center, 684 ft (91 ft higher than the city). Hourly observations, 1991-2020.