United States of America
Green Bay sees feels-like daytime highs peak around 31.5°C in July and nighttime lows bottom out near -11.9°C in January. June is the wettest month (~88 mm), while January is the driest (~11 mm). For sunshine, August leads with about 66% clear skies.
Based on mild feels-like temperatures and low rain chances, the most comfortable months are June, September, and August — expect around 16.9–27.4°C with roughly 36% chance of rain on a given day in June.
| Month | Low / High °C | Rain % | Rainfall | Clear skies | Wind |
|---|---|---|---|---|---|
| January | -11.9° / -5.5° | 4% | 11 mm | 40% | 21.4 kph |
| February | -9.9° / -3.3° | 5% | 12 mm | 41% | 21.2 kph |
| March | -3.7° / 3.1° | 12% | 31 mm | 45% | 20.6 kph |
| April | 3.5° / 12.5° | 24% | 58 mm | 46% | 19.9 kph |
| May | 10° / 20.5° | 32% | 75 mm | 50% | 17.8 kph |
| June☀ | 16.9° / 27.4° | 36% | 88 mm | 57% | 16.1 kph |
| July | 20° / 31.5° | 37% | 81 mm | 65% | 15.2 kph |
| August☀ | 18.4° / 29° | 34% | 79 mm | 66% | 15.5 kph |
| September☀ | 13.5° / 23.4° | 30% | 77 mm | 63% | 17.5 kph |
| October | 6° / 14.3° | 25% | 64 mm | 55% | 19.4 kph |
| November | -1.5° / 4.5° | 17% | 43 mm | 47% | 20.3 kph |
| December | -8.3° / -3° | 9% | 23 mm | 43% | 20.9 kph |
Feels-like temperatures from long-term historical data; ☀ marks the most comfortable months (mild temperatures, low rain).
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