Green Bay weather by month & the best time to visit
🇺🇸 United States · regional city · hot-summer continental climate
The best time to visit Green Bay is July — its sunniest month (Sunshine Score 76/100), with August and September close behind. Green Bay averages about 2,244 hours of sunshine a year. Daytime highs around 27°C / 81°F and roughly 89 mm of rain in July.
Jump to: month-by-month table · nearby alternatives · embed this data
- Sun hours / year
- 2,244
- Sunniest month
- July
- Peak score
- 76/100
- Rain / year
- 878 mm
- Snow / year
- ≈1.9 m
- Midday UV at peak
- 7 (high)
- Population
- 199k
- Elevation
- 206 m
When is the best time to visit Green Bay?
For sunshine, the best time to visit Green Bay is July, then August and September. The dullest month is January (0/100, 34 mm of rain). The full month-by-month picture is in the table below.
How sunny is Green Bay?
Green Bay gets a moderate 2,244 hours of sunshine a year. 76 Sunshine Score points separate July (76) from January (0), so the month you pick matters. It ranks #306 of 580 destinations in United States for annual sunshine, below the national median of 2,279 hours. The year's 878 mm of rain spreads fairly evenly across the months, with no pronounced dry season.
Sunshine Score by month
| Month | Score | Day high | Night low | Rain | UV |
|---|---|---|---|---|---|
| January | 0 | -4° / 25°F | -12° / 10°F | 34 mm | 1 |
| February | 0 | -3° / 27°F | -11° / 12°F | 35 mm | 2 |
| March | 0 | 4° / 39°F | -5° / 23°F | 54 mm | 3 |
| April | 19 | 11° / 52°F | 1° / 34°F | 86 mm | 4 |
| May | 55 | 17° / 63°F | 7° / 45°F | 102 mm | 6 |
| June | 71 | 23° / 73°F | 13° / 55°F | 113 mm | 7 |
| July | 76 | 27° / 81°F | 17° / 63°F | 89 mm | 7 |
| August | 76 | 26° / 79°F | 16° / 61°F | 89 mm | 6 |
| September | 76 | 22° / 72°F | 12° / 54°F | 85 mm | 5 |
| October | 38 | 14° / 57°F | 5° / 41°F | 87 mm | 3 |
| November | 0 | 6° / 43°F | -1° / 30°F | 53 mm | 1 |
| December | 0 | -1° / 30°F | -8° / 18°F | 51 mm | 1 |
See Green Bay on the interactive sunshine globe →
Nearby places for sunshine
- Appleton United States · 40 km · best in Jul · 2,243 h sun/yr
- Milwaukee United States · 172 km · best in Sep · 1,950 h sun/yr
- Madison United States · 178 km · best in Sep · 2,236 h sun/yr
- Traverse City United States · 204 km · best in Jul · 1,987 h sun/yr
- Grand Rapids United States · 275 km · best in Jul · 2,024 h sun/yr
- Chicago United States · 279 km · best in Sep · 2,095 h sun/yr
Nearest destinations
- Mosinee United States · 126 km · 2,284 h sun/yr · best in Jul
- Kingsford United States · 149 km · 2,184 h sun/yr · best in Aug
- Manistee United States · 152 km · 1,916 h sun/yr · best in Jul
- Escanaba United States · 160 km · 2,066 h sun/yr · best in Aug
- Rhinelander United States · 165 km · 2,184 h sun/yr · best in Aug
Head-to-head
How Green Bay compares month by month: Green Bay vs Milwaukee · Green Bay vs Madison · Green Bay vs Thunder Bay · Green Bay vs Appleton · all comparisons
Put the Green Bay sunshine badge on your site
A compact badge showing Green Bay's sunshine at a glance — free to embed under CC BY 4.0. Paste this wherever you'd like it to appear:
Live preview — this is exactly what your readers see: