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 = 'wilton' and st_surl='wisconsin' and iso_cc = 'US' and prim_loc in (1,2) Wilton Wisconsin Climate Data - Updated February 2026

Wilton Wisconsin Climate Data

Monthly Average Climate Data for Wilton Wisconsin

Switch Data to Celsius/Metric Units
MonthAvg. LowAvg. HighAvg. Precip
January7.2 °F25.0 °F1.22 in.
February10.2 °F29.8 °F1.15 in.
March21.6 °F41.8 °F1.92 in.
April33.5 °F55.8 °F3.83 in.
May45.5 °F67.9 °F4.65 in.
June55.5 °F77.2 °F5.3 in.
July59.5 °F81.2 °F4.49 in.
August57.1 °F79.1 °F4.66 in.
September48.6 °F71.8 °F3.92 in.
October37.0 °F58.5 °F2.85 in.
November25.6 °F43.2 °F1.99 in.
December14.5 °F30.4 °F1.54 in.
Annual34.7 °F55.1 °F37.52 in.

Climate Data for Wilton Wisconsin

Average First Frost DateOct. 1 - Oct. 10
Average Last Frost DateMay 1 - May 10
Average Days With Frost125-150 Days
Plant Hardiness ZoneZone 4b : -25°F to -20°F
Plant Hardiness Zone - 2012Zone 4b : -25°F to -20°F
Current Drought ConditionsNormal
Köppen Climate ClassificationDfb - Humid Continental Mild Summer, Wet All Year
2026 plantmaps.com