Kirby, WY
Climate overview — based on NOAA 1991-2020 normals from THERMOPOLIS 9NE, WY US.
Year-round temperatures (°F)
Climate summary
Kirby has an annual average temperature of 42.6°F with about 12.6 inches of precipitation per year and 50.8 inches of snow. The warmest month is July (average high 88.0°F), and the coldest is January (average low -0.4°F). May is typically the wettest month (2.43 in) and January the driest (0.37 in). Snow typically falls from September through May.
Best time to visit Kirby
Full guide →Climate change signal
All-time records →209 of 366 (57.1%) of Kirby's all-time daily heat records have been set since 2015. If records were spread evenly across the station's history, only about 5% would fall in any given decade.
| 1990s | 0 | |
| 2000s | 82 | |
| 2010s | 138 | |
| 2020s | 146 |
Bars: number of all-time daily heat records still standing that were set in each decade.
Monthly averages
| Month | Avg High | Avg Low | Avg Temp | Precipitation | Snow | Rainy days |
|---|---|---|---|---|---|---|
| January | 31.3°F | -0.4°F | 15.4°F | 0.37 in | 8.0 in | 4 |
| February | 37.7°F | 8.0°F | 22.9°F | 0.50 in | 7.0 in | 4 |
| March | 49.9°F | 18.6°F | 34.2°F | 0.89 in | 8.5 in | 5 |
| April | 58.7°F | 26.7°F | 42.7°F | 1.85 in | 7.8 in | 8 |
| May | 67.6°F | 36.5°F | 52.0°F | 2.43 in | 0.8 in | 10 |
| June | 78.1°F | 45.0°F | 61.6°F | 1.34 in | — | 8 |
| July | 88.0°F | 50.5°F | 69.3°F | 0.75 in | — | 6 |
| August | 86.1°F | 48.1°F | 67.1°F | 0.73 in | — | 5 |
| September | 75.1°F | 37.6°F | 56.4°F | 1.23 in | 0.3 in | 5 |
| October | 60.1°F | 26.1°F | 43.1°F | 1.34 in | 3.6 in | 6 |
| November | 46.0°F | 14.2°F | 30.1°F | 0.67 in | 6.4 in | 4 |
| December | 32.4°F | 0.3°F | 16.4°F | 0.51 in | 8.4 in | 4 |
Climate twins of Kirby
Why these? →The most climatically similar US cities at least 140 miles away (by monthly temperature + precipitation pattern).