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

Marysville Iowa Climate Data

Monthly Average Climate Data for Marysville Iowa

Switch Data to Celsius/Metric Units
MonthAvg. LowAvg. HighAvg. Precip
January12.9 °F29.8 °F1.11 in.
February16.6 °F34.7 °F1.47 in.
March27.3 °F48.8 °F2.13 in.
April39.6 °F61.6 °F3.87 in.
May51.6 °F71.9 °F5.2 in.
June62.3 °F82.1 °F5.15 in.
July64.8 °F85.9 °F4.29 in.
August63.2 °F83.4 °F4.17 in.
September54.0 °F76.5 °F3.62 in.
October41.4 °F63.9 °F2.63 in.
November29.7 °F48.1 °F2.05 in.
December18.7 °F36.0 °F1.42 in.
Annual40.2 °F60.2 °F37.11 in.

Climate Data for Marysville Iowa

Average First Frost DateOct. 11 - Oct. 20
Average Last Frost DateApr. 11 - Apr. 20
Average Days With Frost75-100 Days
Plant Hardiness ZoneZone 5b : -15°F to -10°F
Plant Hardiness Zone - 2012Zone 5b : -15°F to -10°F
Current Drought ConditionsAbnormally Dry
Köppen Climate ClassificationDfa - Humid Continental Hot Summers With Year Around Precipitation
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