United States of America
Harrisburg sees feels-like daytime highs peak around 35.4°C in July and nighttime lows bottom out near -4.5°C in January. May is the wettest month (~90 mm), while February is the driest (~42 mm). For sunshine, September leads with about 65% clear skies.
Based on mild feels-like temperatures and low rain chances, the most comfortable months are May, September, and June — expect around 14.8–25.9°C with roughly 36% chance of rain on a given day in May.
| Month | Low / High °C | Rain % | Rainfall | Clear skies | Wind |
|---|---|---|---|---|---|
| January | -4.5° / 1.4° | 12% | 45 mm | 44% | 11.3 kph |
| February | -3.3° / 3.6° | 12% | 42 mm | 46% | 11.9 kph |
| March | 1.4° / 10.2° | 22% | 66 mm | 49% | 11.7 kph |
| April | 7.5° / 17.8° | 30% | 82 mm | 50% | 10.5 kph |
| May☀ | 14.8° / 25.9° | 36% | 90 mm | 51% | 8.9 kph |
| June☀ | 21° / 31.8° | 38% | 88 mm | 54% | 7.7 kph |
| July | 23.6° / 35.4° | 38% | 86 mm | 60% | 7.1 kph |
| August | 22.1° / 32.9° | 34% | 84 mm | 64% | 7 kph |
| September☀ | 17.1° / 27.3° | 28% | 89 mm | 65% | 7.7 kph |
| October | 9.9° / 19.2° | 24% | 88 mm | 61% | 8.7 kph |
| November | 3.4° / 10.7° | 22% | 77 mm | 52% | 9.6 kph |
| December | -1.5° / 4.7° | 17% | 64 mm | 46% | 10.4 kph |
Feels-like temperatures from long-term historical data; ☀ marks the most comfortable months (mild temperatures, low rain).
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