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

Petersburg Indiana Climate Data

Monthly Average Climate Data for Petersburg Indiana

Switch Data to Celsius/Metric Units
MonthAvg. LowAvg. HighAvg. Precip
January22.7 °F39.2 °F3.55 in.
February25.4 °F44.0 °F2.89 in.
March33.7 °F54.4 °F4.09 in.
April44.1 °F67.0 °F4.93 in.
May55.1 °F76.0 °F5.63 in.
June63.8 °F84.2 °F4.78 in.
July66.4 °F87.1 °F4.28 in.
August64.3 °F86.1 °F3.06 in.
September56.6 °F80.9 °F3.77 in.
October45.0 °F69.3 °F3.49 in.
November34.9 °F54.9 °F4.18 in.
December27.1 °F43.6 °F3.64 in.
Annual44.9 °F65.6 °F48.29 in.

Climate Data for Petersburg Indiana

Average First Frost DateOct. 21 - Oct. 31
Average Last Frost DateApr. 1 - Apr. 10
Average Days With Frost50-75 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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