Castle Valley Utah Climate Data

Monthly Average Climate Data for Castle Valley Utah

Switch Data to Celsius/Metric Units
MonthAvg. LowAvg. HighAvg. Precip
January19.6 °F41.0 °F0.77 in.
February25.4 °F48.6 °F0.78 in.
March33.2 °F59.9 °F0.93 in.
April39.1 °F67.6 °F1.13 in.
May48.3 °F78.1 °F0.97 in.
June58.3 °F90.5 °F0.43 in.
July64.4 °F96.3 °F0.81 in.
August62.1 °F93.6 °F1.17 in.
September54.1 °F84.3 °F1.3 in.
October40.2 °F69.8 °F1.39 in.
November29.7 °F54.6 °F0.85 in.
December19.6 °F41.5 °F0.88 in.
Annual41.2 °F68.8 °F11.41 in.

Climate Data for Castle Valley Utah

Average First Frost DateOct. 11 - Oct. 20
Average Last Frost DateMay 1 - May 10
Average Days With Frost100-125 Days
Plant Hardiness Zone - 2023Zone 7a : 0°F to 5°F
Plant Hardiness Zone - 2012Zone 7a : 0°F to 5°F
Current Drought ConditionsNormal
Köppen Climate ClassificationBSk - Cold Semi-Arid Climate