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 = 'seymour' and st_surl='indiana' and iso_cc = 'US' and prim_loc in (1,2) Seymour Indiana Climate Data - Updated February 2026

Seymour Indiana Climate Data

Monthly Average Climate Data for Seymour Indiana

Switch Data to Celsius/Metric Units
MonthAvg. LowAvg. HighAvg. Precip
January22.4 °F39.0 °F3.61 in.
February24.6 °F43.6 °F2.93 in.
March32.5 °F53.8 °F4.12 in.
April42.4 °F65.6 °F5.27 in.
May53.1 °F74.7 °F5.35 in.
June61.4 °F82.3 °F5.18 in.
July64.9 °F85.3 °F4.24 in.
August63.0 °F84.7 °F4.06 in.
September55.2 °F79.1 °F3.3 in.
October43.4 °F67.5 °F3.61 in.
November33.9 °F54.4 °F3.76 in.
December26.6 °F43.1 °F3.77 in.
Annual43.6 °F64.4 °F49.2 in.

Climate Data for Seymour Indiana

Average First Frost DateOct. 21 - Oct. 31
Average Last Frost DateApr. 11 - Apr. 20
Average Days With Frost75-100 Days
Plant Hardiness ZoneZone 6b : -5°F to 0°F
Plant Hardiness Zone - 2012Zone 6a : -10°F to -5°F
Current Drought ConditionsAbnormally Dry
Köppen Climate ClassificationDfa - Humid Continental Hot Summers With Year Around Precipitation
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