{"metadata":{"title":"Mt Vernon Univ MO - SW Ctr, MO Monthly Climate Normals","page_url":"https://plainclimate.com/city/mt-vernon-univ-mo-sw-ctr-mo","primary_station_id":"USC00235862","source":"NOAA 1991-2020 U.S. Climate Normals","source_url":"https://www.ncei.noaa.gov/products/land-based-station/us-climate-normals","vintage":"2026-08-04","license":"CC0 1.0","license_url":"https://creativecommons.org/publicdomain/zero/1.0/","citation":"PlainClimate, \"Mt Vernon Univ MO - SW Ctr, MO Climate Normals\". https://plainclimate.com/city/mt-vernon-univ-mo-sw-ctr-mo","row_count":12},"annual_summary":{"city_slug":"mt-vernon-univ-mo-sw-ctr-mo","ann_tavg":56.5,"ann_tmax":67.9,"ann_tmin":45,"ann_prcp":45.45,"ann_snow":null,"ann_htdd":4493.2,"ann_cldd":1411.4,"frost_first":"10/21","frost_last":"04/14","growing_season":190,"warmest_month":7,"coldest_month":1,"wettest_month":5,"driest_month":2,"snowiest_month":null,"comfort_score":80},"data":[{"month":"January","month_number":1,"avg_temp_f":33.1,"avg_high_f":44,"avg_low_f":22.2,"precip_in":2.38,"snow_in":null,"heating_degree_days":988.7,"cooling_degree_days":0,"days_with_precip":7.5,"days_with_snow":null,"days_freezing":26.7,"days_90f_plus":0,"humidity_pct":null,"wind_speed_mph":null,"clear_sky_pct":null,"overcast_pct":null},{"month":"February","month_number":2,"avg_temp_f":37.4,"avg_high_f":48.9,"avg_low_f":26,"precip_in":2.28,"snow_in":null,"heating_degree_days":771.3,"cooling_degree_days":0.1,"days_with_precip":6.7,"days_with_snow":null,"days_freezing":21.4,"days_90f_plus":0,"humidity_pct":null,"wind_speed_mph":null,"clear_sky_pct":null,"overcast_pct":null},{"month":"March","month_number":3,"avg_temp_f":46.7,"avg_high_f":58,"avg_low_f":35.3,"precip_in":3.67,"snow_in":null,"heating_degree_days":574.2,"cooling_degree_days":5.3,"days_with_precip":9.8,"days_with_snow":null,"days_freezing":14.3,"days_90f_plus":0,"humidity_pct":null,"wind_speed_mph":null,"clear_sky_pct":null,"overcast_pct":null},{"month":"April","month_number":4,"avg_temp_f":56,"avg_high_f":67.7,"avg_low_f":44.4,"precip_in":4.55,"snow_in":null,"heating_degree_days":294.9,"cooling_degree_days":26.4,"days_with_precip":10.6,"days_with_snow":null,"days_freezing":4.5,"days_90f_plus":0,"humidity_pct":null,"wind_speed_mph":null,"clear_sky_pct":null,"overcast_pct":null},{"month":"May","month_number":5,"avg_temp_f":65,"avg_high_f":75.8,"avg_low_f":54.3,"precip_in":5.86,"snow_in":null,"heating_degree_days":100.8,"cooling_degree_days":102.3,"days_with_precip":11.7,"days_with_snow":null,"days_freezing":0.4,"days_90f_plus":0.5,"humidity_pct":null,"wind_speed_mph":null,"clear_sky_pct":null,"overcast_pct":null},{"month":"June","month_number":6,"avg_temp_f":74,"avg_high_f":84.3,"avg_low_f":63.6,"precip_in":5.25,"snow_in":null,"heating_degree_days":9.8,"cooling_degree_days":278.1,"days_with_precip":10.1,"days_with_snow":null,"days_freezing":0,"days_90f_plus":5.7,"humidity_pct":null,"wind_speed_mph":null,"clear_sky_pct":null,"overcast_pct":null},{"month":"July","month_number":7,"avg_temp_f":78.2,"avg_high_f":89.4,"avg_low_f":67.1,"precip_in":4.01,"snow_in":null,"heating_degree_days":0.9,"cooling_degree_days":411.6,"days_with_precip":8.8,"days_with_snow":null,"days_freezing":0,"days_90f_plus":16.7,"humidity_pct":null,"wind_speed_mph":null,"clear_sky_pct":null,"overcast_pct":null},{"month":"August","month_number":8,"avg_temp_f":77.1,"avg_high_f":89.3,"avg_low_f":64.9,"precip_in":3.03,"snow_in":null,"heating_degree_days":2.7,"cooling_degree_days":377.6,"days_with_precip":7.2,"days_with_snow":null,"days_freezing":0,"days_90f_plus":18,"humidity_pct":null,"wind_speed_mph":null,"clear_sky_pct":null,"overcast_pct":null},{"month":"September","month_number":9,"avg_temp_f":69.1,"avg_high_f":81.5,"avg_low_f":56.8,"precip_in":4.7,"snow_in":null,"heating_degree_days":50.7,"cooling_degree_days":175.1,"days_with_precip":8.1,"days_with_snow":null,"days_freezing":0.2,"days_90f_plus":5.1,"humidity_pct":null,"wind_speed_mph":null,"clear_sky_pct":null,"overcast_pct":null},{"month":"October","month_number":10,"avg_temp_f":57.7,"avg_high_f":70.7,"avg_low_f":44.7,"precip_in":2.95,"snow_in":null,"heating_degree_days":258.1,"cooling_degree_days":31.8,"days_with_precip":8.6,"days_with_snow":null,"days_freezing":4.6,"days_90f_plus":0.2,"humidity_pct":null,"wind_speed_mph":null,"clear_sky_pct":null,"overcast_pct":null},{"month":"November","month_number":11,"avg_temp_f":46.2,"avg_high_f":57.9,"avg_low_f":34.5,"precip_in":3.93,"snow_in":null,"heating_degree_days":567,"cooling_degree_days":3.1,"days_with_precip":8.9,"days_with_snow":null,"days_freezing":14.1,"days_90f_plus":0,"humidity_pct":null,"wind_speed_mph":null,"clear_sky_pct":null,"overcast_pct":null},{"month":"December","month_number":12,"avg_temp_f":36.8,"avg_high_f":47.2,"avg_low_f":26.4,"precip_in":2.84,"snow_in":null,"heating_degree_days":874.1,"cooling_degree_days":0,"days_with_precip":7.2,"days_with_snow":null,"days_freezing":24.6,"days_90f_plus":0,"humidity_pct":null,"wind_speed_mph":null,"clear_sky_pct":null,"overcast_pct":null}]}