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

Merrifield Minnesota Climate Data

Monthly Average Climate Data for Merrifield Minnesota

Switch Data to Celsius/Metric Units
MonthAvg. LowAvg. HighAvg. Precip
January-0.1 °F19.0 °F0.75 in.
February2.7 °F24.6 °F0.78 in.
March16.2 °F37.6 °F1.39 in.
April30.5 °F52.0 °F2.27 in.
May43.8 °F65.4 °F3.51 in.
June54.3 °F75.0 °F4.35 in.
July58.5 °F79.8 °F4.4 in.
August55.6 °F77.7 °F3.44 in.
September47.2 °F69.1 °F2.85 in.
October34.9 °F54.4 °F2.82 in.
November22.0 °F38.2 °F1.32 in.
December9.0 °F24.7 °F0.93 in.
Annual31.2 °F51.5 °F28.81 in.

Climate Data for Merrifield Minnesota

Average First Frost DateSep. 21 - Sep. 30
Average Last Frost DateMay 1 - May 10
Average Days With Frost125-150 Days
Plant Hardiness ZoneZone 4a : -30°F to -25°F
Plant Hardiness Zone - 2012Zone 3b : -35°F to -30°F
Current Drought ConditionsModerate Drought
Köppen Climate ClassificationDfb - Humid Continental Mild Summer, Wet All Year
2026 plantmaps.com