Greybull, WY
Climate overview — based on NOAA 1991-2020 normals from GREYBULL, WY US.
Year-round temperatures (°F)
Climate summary
Greybull has an annual average temperature of 45°F with about 7.2 inches of precipitation per year and 19.2 inches of snow. The warmest month is July (average high 90.6°F), and the coldest is January (average low 2.4°F). May is typically the wettest month (1.37 in) and March the driest (0.19 in). Snow typically falls from September through May.
Best time to visit Greybull
Full guide →Climate change signal
All-time records →54 of 366 (14.8%) of Greybull'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.
| 1950s | 0 | |
| 1960s | 0 | |
| 1970s | 3 | |
| 1980s | 55 | |
| 1990s | 103 | |
| 2000s | 94 | |
| 2010s | 111 |
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 | 29.9°F | 2.4°F | 16.2°F | 0.30 in | 3.3 in | 3 |
| February | 36.8°F | 8.9°F | 22.8°F | 0.41 in | 6.2 in | 3 |
| March | 51.8°F | 21.4°F | 36.6°F | 0.19 in | 1.6 in | 3 |
| April | 60.9°F | 31.2°F | 46.0°F | 0.58 in | 0.6 in | 4 |
| May | 70.8°F | 41.3°F | 56.1°F | 1.37 in | 0.2 in | 7 |
| June | 81.3°F | 49.8°F | 65.5°F | 1.16 in | — | 6 |
| July | 90.6°F | 55.2°F | 72.9°F | 0.47 in | — | 4 |
| August | 88.3°F | 52.2°F | 70.2°F | 0.33 in | — | 3 |
| September | 76.9°F | 42.1°F | 59.5°F | 0.99 in | 0.2 in | 4 |
| October | 61.1°F | 29.9°F | 45.5°F | 0.75 in | 0.7 in | 3 |
| November | 44.9°F | 16.2°F | 30.6°F | 0.43 in | 2.2 in | 3 |
| December | 31.6°F | 5.5°F | 18.6°F | 0.20 in | 4.2 in | 3 |
Climate twins of Greybull
Why these? →The most climatically similar US cities at least 140 miles away (by monthly temperature + precipitation pattern).