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 = 'swisher' and st_surl='iowa' and iso_cc = 'US' and prim_loc in (1,2) Swisher Iowa Climate Data - Updated February 2026

Swisher Iowa Climate Data

Monthly Average Climate Data for Swisher Iowa

Switch Data to Celsius/Metric Units
MonthAvg. LowAvg. HighAvg. Precip
January11.8 °F28.5 °F1.11 in.
February15.5 °F33.1 °F1.34 in.
March26.7 °F46.3 °F2.14 in.
April37.9 °F60.4 °F3.79 in.
May49.9 °F71.3 °F4.43 in.
June60.2 °F80.5 °F5.55 in.
July63.5 °F83.6 °F4.6 in.
August60.9 °F81.9 °F4.28 in.
September52.3 °F75.9 °F3.63 in.
October40.3 °F62.8 °F2.88 in.
November28.3 °F47.4 °F2.17 in.
December17.9 °F34.1 °F1.65 in.
Annual38.8 °F58.8 °F37.57 in.

Climate Data for Swisher Iowa

Average First Frost DateOct. 1 - Oct. 10
Average Last Frost DateApr. 21 - Apr. 30
Average Days With Frost100-125 Days
Plant Hardiness ZoneZone 5a : -20°F to -15°F
Plant Hardiness Zone - 2012Zone 5a : -20°F to -15°F
Current Drought ConditionsAbnormally Dry
Köppen Climate ClassificationDfa - Humid Continental Hot Summers With Year Around Precipitation
2026 plantmaps.com