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 = 'watertown' and st_surl='minnesota' and iso_cc = 'US' and prim_loc in (1,2) Watertown Minnesota Climate Data - Updated February 2026

Watertown Minnesota Climate Data

Monthly Average Climate Data for Watertown Minnesota

Switch Data to Celsius/Metric Units
MonthAvg. LowAvg. HighAvg. Precip
January5.2 °F22.4 °F0.81 in.
February8.6 °F27.2 °F0.85 in.
March21.4 °F39.7 °F1.47 in.
April34.8 °F54.9 °F2.86 in.
May47.7 °F67.9 °F4.27 in.
June58.3 °F77.5 °F4.82 in.
July62.5 °F82.1 °F3.97 in.
August60.0 °F79.7 °F4.31 in.
September51.7 °F72.4 °F3.26 in.
October38.5 °F57.8 °F2.39 in.
November25.6 °F41.6 °F1.5 in.
December12.4 °F27.6 °F1.16 in.
Annual35.6 °F54.2 °F31.67 in.

Climate Data for Watertown Minnesota

Average First Frost DateOct. 1 - Oct. 10
Average Last Frost DateMay 1 - May 10
Average Days With Frost100-125 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