Glenrock, WY
Climate overview — based on NOAA 1991-2020 normals from CASPER 1SW, WY US.
Year-round temperatures (°F)
Climate summary
Glenrock has an annual average temperature of 47.1°F with about 15.9 inches of precipitation per year. The warmest month is July (average high 87.2°F), and the coldest is January (average low 16.4°F). May is typically the wettest month (2.77 in) and January the driest (0.51 in).
Best time to visit Glenrock
Full guide →Climate change signal
All-time records →366 of 366 (100%) of Glenrock'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.
| 2000s | 0 | |
| 2010s | 235 | |
| 2020s | 131 |
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 | 37.3°F | 16.4°F | 26.9°F | 0.51 in | — | — |
| February | 38.8°F | 16.9°F | 27.9°F | 1.03 in | — | — |
| March | 49.7°F | 24.6°F | 37.2°F | 1.57 in | — | — |
| April | 55.9°F | 31.2°F | 43.6°F | 1.78 in | — | — |
| May | 64.6°F | 39.8°F | 52.2°F | 2.77 in | — | — |
| June | 77.9°F | 50.0°F | 64.0°F | 1.48 in | — | — |
| July | 87.2°F | 57.4°F | 72.3°F | 1.17 in | — | — |
| August | 85.7°F | 54.4°F | 70.1°F | 1.04 in | — | — |
| September | 75.1°F | 45.1°F | 60.1°F | 1.20 in | — | — |
| October | 60.1°F | 34.2°F | 47.2°F | 1.68 in | — | — |
| November | 48.0°F | 25.8°F | 36.9°F | 0.86 in | — | — |
| December | 36.7°F | 17.0°F | 26.9°F | 0.79 in | — | — |
Climate twins of Glenrock
Why these? →The most climatically similar US cities at least 140 miles away (by monthly temperature + precipitation pattern).