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

Germantown Wisconsin Climate Data

Monthly Average Climate Data for Germantown Wisconsin

Switch Data to Celsius/Metric Units
MonthAvg. LowAvg. HighAvg. Precip
January12.1 °F27.5 °F1.78 in.
February14.9 °F31.2 °F1.65 in.
March24.2 °F42.2 °F2.08 in.
April34.9 °F54.9 °F3.88 in.
May45.7 °F66.7 °F4.01 in.
June55.5 °F76.5 °F4.37 in.
July60.8 °F81.4 °F3.98 in.
August59.1 °F79.6 °F3.65 in.
September51.2 °F72.6 °F3.18 in.
October40.0 °F59.6 °F2.8 in.
November28.9 °F45.3 °F2.14 in.
December18.7 °F33.1 °F2.0 in.
Annual37.2 °F55.9 °F35.52 in.

Climate Data for Germantown Wisconsin

Average First Frost DateOct. 1 - Oct. 10
Average Last Frost DateMay 1 - May 10
Average Days With Frost125-150 Days
Plant Hardiness ZoneZone 5b : -15°F to -10°F
Plant Hardiness Zone - 2012Zone 5a : -20°F to -15°F
Current Drought ConditionsNormal
Köppen Climate ClassificationDfa - Humid Continental Hot Summers With Year Around Precipitation
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