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 = 'evanston' and st_surl='wyoming' and iso_cc = 'US' and prim_loc in (1,2) Evanston Wyoming Climate Data - Updated February 2026

Evanston Wyoming Climate Data

Monthly Average Climate Data for Evanston Wyoming

Switch Data to Celsius/Metric Units
MonthAvg. LowAvg. HighAvg. Precip
January10.6 °F32.6 °F0.73 in.
February11.6 °F34.9 °F0.64 in.
March19.7 °F43.9 °F0.72 in.
April25.9 °F51.5 °F1.16 in.
May33.4 °F61.3 °F1.69 in.
June40.0 °F72.4 °F1.22 in.
July47.6 °F82.2 °F0.72 in.
August46.6 °F80.5 °F1.04 in.
September38.4 °F71.2 °F1.27 in.
October28.1 °F57.7 °F1.22 in.
November18.6 °F43.2 °F0.97 in.
December10.1 °F32.7 °F0.83 in.
Annual27.6 °F55.3 °F12.21 in.

Climate Data for Evanston Wyoming

Average First Frost DateSep.1 - Sep. 10
Average Last Frost DateMay 21 - May 31
Average Days With Frost
Plant Hardiness ZoneZone 5a : -20°F to -15°F
Plant Hardiness Zone - 2012Zone 5a : -20°F to -15°F
Current Drought ConditionsSevere Drought
Köppen Climate ClassificationDfb - Humid Continental Mild Summer, Wet All Year
2026 plantmaps.com