United States of America
Rock Springs sees feels-like daytime highs peak around 28.8°C in July and nighttime lows bottom out near -10.2°C in January. May is the wettest month (~19 mm), while January is the driest (~1 mm). For sunshine, July leads with about 75% clear skies.
Based on mild feels-like temperatures and low rain chances, the most comfortable months are August, July, and June — expect around 14.3–26.9°C with roughly 11% chance of rain on a given day in August.
| Month | Low / High °C | Rain % | Rainfall | Clear skies | Wind |
|---|---|---|---|---|---|
| January | -10.2° / -3.4° | 1% | 1 mm | 52% | 17.8 kph |
| February | -7.7° / -0.4° | 2% | 2 mm | 49% | 18.2 kph |
| March | -3.5° / 4.9° | 3% | 4 mm | 48% | 18.5 kph |
| April | 0.5° / 11.3° | 8% | 10 mm | 51% | 18.1 kph |
| May | 5.9° / 17.3° | 14% | 19 mm | 55% | 16.6 kph |
| June☀ | 11.4° / 24.5° | 11% | 14 mm | 68% | 15.7 kph |
| July☀ | 14.8° / 28.8° | 9% | 10 mm | 75% | 13.8 kph |
| August☀ | 14.3° / 26.9° | 11% | 12 mm | 75% | 13.5 kph |
| September | 9.1° / 21° | 10% | 15 mm | 73% | 14.6 kph |
| October | 2.5° / 12.5° | 7% | 11 mm | 63% | 15.9 kph |
| November | -4.7° / 3° | 3% | 4 mm | 55% | 17.1 kph |
| December | -9.6° / -2.4° | 1% | 1 mm | 52% | 17.6 kph |
Feels-like temperatures from long-term historical data; ☀ marks the most comfortable months (mild temperatures, low rain).
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