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 = 'cascade' and st_surl='idaho' and iso_cc = 'US' and prim_loc in (1,2) Cascade Idaho Climate Data - Updated February 2026

Cascade Idaho Climate Data

Monthly Average Climate Data for Cascade Idaho

Switch Data to Celsius/Metric Units
MonthAvg. LowAvg. HighAvg. Precip
January12.0 °F32.1 °F2.98 in.
February14.2 °F37.4 °F2.29 in.
March20.5 °F44.8 °F2.72 in.
April26.7 °F52.8 °F2.06 in.
May34.0 °F62.8 °F2.16 in.
June39.6 °F71.1 °F1.68 in.
July45.2 °F82.8 °F0.47 in.
August43.3 °F82.5 °F0.46 in.
September35.8 °F72.9 °F0.84 in.
October27.9 °F58.1 °F1.8 in.
November20.9 °F41.6 °F2.79 in.
December13.1 °F31.5 °F3.6 in.
Annual27.8 °F55.9 °F23.85 in.

Climate Data for Cascade Idaho

Average First Frost DateAug. 21 - Aug. 31
Average Last Frost DateJun. 1 - Jun. 10
Average Days With Frost
Plant Hardiness ZoneZone 5b : -15°F to -10°F
Plant Hardiness Zone - 2012Zone 5a : -20°F to -15°F
Current Drought ConditionsAbnormally Dry
Köppen Climate ClassificationDsb - Humid Continental Climate - Dry Cool Summer
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