Castle Valley, UT
Climate overview — based on NOAA 1991-2020 normals from CASTLE VALLEY 1SE, UT US.
Year-round temperatures (°F)
Climate summary
Castle Valley has an annual average temperature of 54.7°F with about 12.3 inches of precipitation per year. The warmest month is July (average high 95.2°F), and the coldest is January (average low 17.9°F). October is typically the wettest month (1.48 in) and June the driest (0.59 in).
Best time to visit Castle Valley
Full guide →Climate change signal
All-time records →366 of 366 (100%) of Castle Valley'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.
| 2010s | 183 | |
| 2020s | 183 |
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 | 38.8°F | 17.9°F | 28.4°F | 0.95 in | — | — |
| February | 46.2°F | 25.1°F | 35.7°F | 1.06 in | — | — |
| March | 58.1°F | 33.4°F | 45.8°F | 1.11 in | — | — |
| April | 65.9°F | 40.5°F | 53.2°F | 0.81 in | — | — |
| May | 76.6°F | 49.9°F | 63.3°F | 0.88 in | — | — |
| June | 89.3°F | 60.5°F | 74.9°F | 0.59 in | — | — |
| July | 95.2°F | 67.7°F | 81.5°F | 0.97 in | — | — |
| August | 92.3°F | 64.8°F | 78.6°F | 1.06 in | — | — |
| September | 83.4°F | 56.0°F | 69.7°F | 1.31 in | — | — |
| October | 68.0°F | 41.7°F | 54.9°F | 1.48 in | — | — |
| November | 52.3°F | 29.7°F | 41.0°F | 1.11 in | — | — |
| December | 39.0°F | 19.4°F | 29.2°F | 1.01 in | — | — |
Climate twins of Castle Valley
Why these? →The most climatically similar US cities at least 140 miles away (by monthly temperature + precipitation pattern).