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 = 'union-city' and st_surl='michigan' and iso_cc = 'US' and prim_loc in (1,2) Union City Michigan Climate Data - Updated February 2026

Union City Michigan Climate Data

Monthly Average Climate Data for Union City Michigan

Switch Data to Celsius/Metric Units

Month	Avg. Low	Avg. High	Avg. Precip
January	17.1 °F	30.9 °F	2.54 in.
February	18.0 °F	33.7 °F	2.17 in.
March	26.3 °F	44.4 °F	2.38 in.
April	37.4 °F	57.7 °F	3.48 in.
May	49.3 °F	69.2 °F	4.36 in.
June	58.6 °F	78.4 °F	4.4 in.
July	61.6 °F	82.0 °F	3.83 in.
August	59.8 °F	79.9 °F	4.03 in.
September	52.3 °F	74.0 °F	3.45 in.
October	41.3 °F	61.0 °F	3.69 in.
November	31.7 °F	47.4 °F	2.92 in.
December	23.1 °F	35.7 °F	2.37 in.
Annual	39.7 °F	57.9 °F	39.62 in.

Climate Data for Union City Michigan

Average First Frost Date	Oct. 11 - Oct. 20
Average Last Frost Date	Apr. 21 - Apr. 30
Average Days With Frost	100-125 Days
Plant Hardiness Zone	Zone 6a : -10°F to -5°F
Plant Hardiness Zone - 2012	Zone 6a : -10°F to -5°F
Current Drought Conditions	Abnormally Dry
Köppen Climate Classification	Dfa - Humid Continental Hot Summers With Year Around Precipitation

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