Pavillion, Wyoming has a Cold Semi-Arid Climate climate (Köppen classification: BSk). Average annual temperatures range from 30.6 °F (low) to 58.7 °F (high). Annual precipitation averages 9.1 Inches. Pavillion is located in USDA Plant Hardiness Zone 5a. The growing season typically runs from the last frost around May 1 - May 10 through the first frost around Sep. 21 - Sep. 30.
| Month | Avg. Low | Avg. High | Avg. Precip |
|---|---|---|---|
| January | 8.8 °F | 33.8 °F | 0.25 in. |
| February | 11.8 °F | 37.9 °F | 0.3 in. |
| March | 22.1 °F | 49.1 °F | 0.47 in. |
| April | 29.8 °F | 56.8 °F | 1.29 in. |
| May | 38.8 °F | 66.1 °F | 2.25 in. |
| June | 46.6 °F | 77.2 °F | 1.07 in. |
| July | 53.7 °F | 86.7 °F | 0.66 in. |
| August | 51.6 °F | 84.7 °F | 0.55 in. |
| September | 43.2 °F | 74.0 °F | 0.89 in. |
| October | 31.8 °F | 59.7 °F | 0.73 in. |
| November | 19.3 °F | 44.8 °F | 0.39 in. |
| December | 9.8 °F | 33.8 °F | 0.25 in. |
| Annual | 30.6 °F | 58.7 °F | 9.1 in. |
| Average First Frost Date | Sep. 21 - Sep. 30 |
| Average Last Frost Date | May 1 - May 10 |
| Average Days With Frost | 150-180 Days |
| Plant Hardiness Zone | Zone 5a : -20°F to -15°F |
| Plant Hardiness Zone - 2012 | Zone 4b : -25°F to -20°F |
| Current Drought Conditions | Severe Drought |
| Köppen Climate Classification | BSk - Cold Semi-Arid Climate |