{"metadata":{"title":"Virden, IL Monthly Climate Normals","page_url":"https://plainclimate.com/city/virden-il","primary_station_id":"USC00118860","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, \"Virden, IL Climate Normals\". https://plainclimate.com/city/virden-il","row_count":12},"annual_summary":{"city_slug":"virden-il","ann_tavg":54.8,"ann_tmax":64.1,"ann_tmin":45.5,"ann_prcp":38.36,"ann_snow":16.1,"ann_htdd":5001.5,"ann_cldd":1321.3,"frost_first":"10/29","frost_last":"04/07","growing_season":205,"warmest_month":7,"coldest_month":1,"wettest_month":6,"driest_month":1,"snowiest_month":1,"comfort_score":68},"data":[{"month":"January","month_number":1,"avg_temp_f":28.6,"avg_high_f":36.3,"avg_low_f":20.9,"precip_in":1.97,"snow_in":6.7,"heating_degree_days":1128.1,"cooling_degree_days":0,"days_with_precip":5.8,"days_with_snow":2.3,"days_freezing":25.9,"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":33.1,"avg_high_f":41.5,"avg_low_f":24.8,"precip_in":2.27,"snow_in":3.1,"heating_degree_days":891.7,"cooling_degree_days":0.1,"days_with_precip":5.1,"days_with_snow":1.5,"days_freezing":21.2,"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":43.9,"avg_high_f":53.5,"avg_low_f":34.4,"precip_in":2.54,"snow_in":2.3,"heating_degree_days":655.2,"cooling_degree_days":2.7,"days_with_precip":7.1,"days_with_snow":0.9,"days_freezing":13.5,"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":56.1,"avg_high_f":66.8,"avg_low_f":45.3,"precip_in":4.23,"snow_in":0,"heating_degree_days":294.7,"cooling_degree_days":26.1,"days_with_precip":8.6,"days_with_snow":0,"days_freezing":2.9,"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":65.3,"avg_high_f":75.5,"avg_low_f":55.2,"precip_in":4.19,"snow_in":0,"heating_degree_days":92.9,"cooling_degree_days":103.7,"days_with_precip":9.5,"days_with_snow":0,"days_freezing":0,"days_90f_plus":0.7,"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":83.4,"avg_low_f":64.7,"precip_in":4.29,"snow_in":0,"heating_degree_days":8.5,"cooling_degree_days":279.8,"days_with_precip":8.3,"days_with_snow":0,"days_freezing":0,"days_90f_plus":5.4,"humidity_pct":null,"wind_speed_mph":null,"clear_sky_pct":null,"overcast_pct":null},{"month":"July","month_number":7,"avg_temp_f":77.2,"avg_high_f":86.9,"avg_low_f":67.6,"precip_in":3.46,"snow_in":0,"heating_degree_days":0.1,"cooling_degree_days":379.8,"days_with_precip":6.7,"days_with_snow":0,"days_freezing":0,"days_90f_plus":8.7,"humidity_pct":null,"wind_speed_mph":null,"clear_sky_pct":null,"overcast_pct":null},{"month":"August","month_number":8,"avg_temp_f":75.5,"avg_high_f":85.2,"avg_low_f":65.8,"precip_in":3.09,"snow_in":0,"heating_degree_days":1.8,"cooling_degree_days":327.2,"days_with_precip":7.2,"days_with_snow":0,"days_freezing":0,"days_90f_plus":7.2,"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":79.9,"avg_low_f":58.2,"precip_in":3.42,"snow_in":0,"heating_degree_days":45.2,"cooling_degree_days":166.5,"days_with_precip":5.9,"days_with_snow":0,"days_freezing":0,"days_90f_plus":2.5,"humidity_pct":null,"wind_speed_mph":null,"clear_sky_pct":null,"overcast_pct":null},{"month":"October","month_number":10,"avg_temp_f":57.3,"avg_high_f":67.4,"avg_low_f":47.3,"precip_in":3.39,"snow_in":0,"heating_degree_days":271.1,"cooling_degree_days":33.9,"days_with_precip":7.2,"days_with_snow":0,"days_freezing":1.6,"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":43.8,"avg_high_f":52.2,"avg_low_f":35.3,"precip_in":3.1,"snow_in":0.7,"heating_degree_days":638.8,"cooling_degree_days":1.4,"days_with_precip":6.5,"days_with_snow":0.3,"days_freezing":11.6,"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":33.6,"avg_high_f":40.8,"avg_low_f":26.4,"precip_in":2.41,"snow_in":3.3,"heating_degree_days":973.3,"cooling_degree_days":0,"days_with_precip":5.9,"days_with_snow":1.9,"days_freezing":24,"days_90f_plus":0,"humidity_pct":null,"wind_speed_mph":null,"clear_sky_pct":null,"overcast_pct":null}]}