{"metadata":{"title":"Corning, IA Monthly Climate Normals","page_url":"https://plainclimate.com/city/corning-ia","primary_station_id":"USC00131833","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, \"Corning, IA Climate Normals\". https://plainclimate.com/city/corning-ia","row_count":12},"annual_summary":{"city_slug":"corning-ia","ann_tavg":49.4,"ann_tmax":60.4,"ann_tmin":38.4,"ann_prcp":35.28,"ann_snow":27.8,"ann_htdd":6509.2,"ann_cldd":854.8,"frost_first":"10/12","frost_last":"04/27","growing_season":168,"warmest_month":7,"coldest_month":1,"wettest_month":6,"driest_month":1,"snowiest_month":1,"comfort_score":59},"data":[{"month":"January","month_number":1,"avg_temp_f":21.7,"avg_high_f":31.4,"avg_low_f":12,"precip_in":0.84,"snow_in":8.2,"heating_degree_days":1342.1,"cooling_degree_days":0,"days_with_precip":5.5,"days_with_snow":3.6,"days_freezing":30.1,"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":26.1,"avg_high_f":36.6,"avg_low_f":15.7,"precip_in":1.2,"snow_in":6.2,"heating_degree_days":1087.7,"cooling_degree_days":0,"days_with_precip":5.8,"days_with_snow":3.1,"days_freezing":26.1,"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":37.8,"avg_high_f":49.2,"avg_low_f":26.5,"precip_in":2.08,"snow_in":3.3,"heating_degree_days":842.5,"cooling_degree_days":0.8,"days_with_precip":7,"days_with_snow":1.4,"days_freezing":22.9,"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":48.9,"avg_high_f":61.4,"avg_low_f":36.5,"precip_in":3.44,"snow_in":1.2,"heating_degree_days":486.5,"cooling_degree_days":5,"days_with_precip":9.9,"days_with_snow":0.5,"days_freezing":10.3,"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":60.1,"avg_high_f":71.3,"avg_low_f":48.9,"precip_in":5.15,"snow_in":0,"heating_degree_days":199.4,"cooling_degree_days":47.4,"days_with_precip":11.8,"days_with_snow":0,"days_freezing":1,"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":70,"avg_high_f":80.8,"avg_low_f":59.2,"precip_in":5.16,"snow_in":0,"heating_degree_days":26.5,"cooling_degree_days":176.3,"days_with_precip":10.3,"days_with_snow":0,"days_freezing":0,"days_90f_plus":2.1,"humidity_pct":null,"wind_speed_mph":null,"clear_sky_pct":null,"overcast_pct":null},{"month":"July","month_number":7,"avg_temp_f":74.2,"avg_high_f":84.8,"avg_low_f":63.6,"precip_in":4,"snow_in":0,"heating_degree_days":3.3,"cooling_degree_days":288.3,"days_with_precip":8.2,"days_with_snow":0,"days_freezing":0,"days_90f_plus":7.7,"humidity_pct":null,"wind_speed_mph":null,"clear_sky_pct":null,"overcast_pct":null},{"month":"August","month_number":8,"avg_temp_f":72.3,"avg_high_f":83.3,"avg_low_f":61.2,"precip_in":3.82,"snow_in":0,"heating_degree_days":10,"cooling_degree_days":234.7,"days_with_precip":7.9,"days_with_snow":0,"days_freezing":0,"days_90f_plus":4.9,"humidity_pct":null,"wind_speed_mph":null,"clear_sky_pct":null,"overcast_pct":null},{"month":"September","month_number":9,"avg_temp_f":64.3,"avg_high_f":76.4,"avg_low_f":52.3,"precip_in":3.5,"snow_in":0,"heating_degree_days":110.5,"cooling_degree_days":90.9,"days_with_precip":7,"days_with_snow":0,"days_freezing":0.4,"days_90f_plus":1.7,"humidity_pct":null,"wind_speed_mph":null,"clear_sky_pct":null,"overcast_pct":null},{"month":"October","month_number":10,"avg_temp_f":52,"avg_high_f":64,"avg_low_f":40,"precip_in":2.8,"snow_in":0.4,"heating_degree_days":414.2,"cooling_degree_days":11.1,"days_with_precip":7.5,"days_with_snow":0.2,"days_freezing":7.4,"days_90f_plus":0.1,"humidity_pct":null,"wind_speed_mph":null,"clear_sky_pct":null,"overcast_pct":null},{"month":"November","month_number":11,"avg_temp_f":38.1,"avg_high_f":48.8,"avg_low_f":27.4,"precip_in":1.86,"snow_in":1.6,"heating_degree_days":807.1,"cooling_degree_days":0.2,"days_with_precip":5.7,"days_with_snow":1,"days_freezing":20.4,"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":26.9,"avg_high_f":36.4,"avg_low_f":17.5,"precip_in":1.43,"snow_in":6.9,"heating_degree_days":1179.4,"cooling_degree_days":0,"days_with_precip":5.5,"days_with_snow":3.3,"days_freezing":29.3,"days_90f_plus":0,"humidity_pct":null,"wind_speed_mph":null,"clear_sky_pct":null,"overcast_pct":null}]}