select pnm,lnm,st_cd,st_nm,cnty_id,dm,dm_date,dm_hist,avg_tmax_data,avg_tmin_data,avg_prcp_data,rec_hi_data,rec_lo_data,avg_sndp_data,x,y,ff,lf,fd,hz,er,hz_source,kg,hzd,clim_stn_nm,hz12,hz90, feels_like_min,feels_like_max,days_of_prcp,snow,cloud_cover,humidity,wind_speed from worldtg8_pm.pm_climate_points_namer where surl = 'castle-valley' and st_surl='utah' and iso_cc = 'US' and prim_loc in (1,2) Castle Valley Utah Climate Data - Updated February 2026

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 DateApr. 11 - Apr. 20
Average Days With Frost75-100 Days
Plant Hardiness ZoneZone 7a : 0°F to 5°F
Plant Hardiness Zone - 2012Zone 7a : 0°F to 5°F
Current Drought ConditionsModerate Drought
Köppen Climate ClassificationBSk - Cold Semi-Arid Climate
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