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 = 'mount-vernon' and st_surl='missouri' and iso_cc = 'US' and prim_loc in (1,2) Mount Vernon Missouri Climate Data - Updated February 2026

Mount Vernon Missouri Climate Data

Monthly Average Climate Data for Mount Vernon Missouri

Switch Data to Celsius/Metric Units
MonthAvg. LowAvg. HighAvg. Precip
January23.1 °F43.2 °F2.49 in.
February26.5 °F47.9 °F2.24 in.
March35.1 °F57.3 °F3.69 in.
April44.3 °F66.8 °F4.66 in.
May54.5 °F75.0 °F5.85 in.
June63.5 °F83.7 °F5.06 in.
July67.5 °F88.5 °F3.75 in.
August65.8 °F88.3 °F3.48 in.
September57.6 °F80.9 °F4.49 in.
October45.9 °F69.6 °F3.64 in.
November35.4 °F56.9 °F3.86 in.
December26.8 °F46.7 °F2.83 in.
Annual45.5 °F67.1 °F46.04 in.

Climate Data for Mount Vernon Missouri

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 ConditionsSevere Drought
Köppen Climate ClassificationCfa - Humid Subtropical Climate
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