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 = 'helena' and st_surl='mississippi' and iso_cc = 'US' and prim_loc in (1,2) Helena Mississippi Climate Data - Updated February 2026

Helena Mississippi Climate Data

Monthly Average Climate Data for Helena Mississippi

Switch Data to Celsius/Metric Units
MonthAvg. LowAvg. HighAvg. Precip
January39.2 °F61.5 °F5.64 in.
February42.8 °F64.5 °F4.39 in.
March49.1 °F70.6 °F5.37 in.
April55.6 °F76.6 °F5.48 in.
May63.8 °F83.2 °F5.12 in.
June71.0 °F88.3 °F6.93 in.
July72.9 °F90.2 °F8.11 in.
August72.6 °F90.3 °F7.32 in.
September68.3 °F87.5 °F5.74 in.
October58.5 °F80.0 °F4.14 in.
November47.9 °F70.6 °F4.37 in.
December41.6 °F63.5 °F4.64 in.
Annual56.9 °F77.2 °F67.25 in.

Climate Data for Helena Mississippi

Average First Frost DateJan. 21 - Jan. 31
Average Last Frost DateFrost Rare
Average Days With FrostFrost Rare
Plant Hardiness ZoneZone 9a : 20°F to 25°F
Plant Hardiness Zone - 2012Zone 8b : 15°F to 20°F
Current Drought ConditionsAbnormally Dry
Köppen Climate ClassificationCfa - Humid Subtropical Climate
2026 plantmaps.com