{"metadata":{"title":"Rosiclare, IL Monthly Climate Normals","page_url":"https://plainclimate.com/city/rosiclare-il","primary_station_id":"USC00117487","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, \"Rosiclare, IL Climate Normals\". https://plainclimate.com/city/rosiclare-il","row_count":12},"annual_summary":{"city_slug":"rosiclare-il","ann_tavg":54.8,"ann_tmax":66.1,"ann_tmin":43.6,"ann_prcp":50.89,"ann_snow":3.3,"ann_htdd":4803,"ann_cldd":1130.9,"frost_first":"10/20","frost_last":"04/19","growing_season":184,"warmest_month":7,"coldest_month":1,"wettest_month":5,"driest_month":8,"snowiest_month":2,"comfort_score":63},"data":[{"month":"January","month_number":1,"avg_temp_f":31.8,"avg_high_f":41.2,"avg_low_f":22.4,"precip_in":3.9,"snow_in":0.9,"heating_degree_days":1029,"cooling_degree_days":0,"days_with_precip":9.5,"days_with_snow":0.6,"days_freezing":24.8,"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":35.7,"avg_high_f":46.2,"avg_low_f":25.1,"precip_in":3.71,"snow_in":1.4,"heating_degree_days":821.9,"cooling_degree_days":0.1,"days_with_precip":9,"days_with_snow":0.5,"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":44.8,"avg_high_f":56.3,"avg_low_f":33.3,"precip_in":5.08,"snow_in":0.2,"heating_degree_days":629.3,"cooling_degree_days":3.1,"days_with_precip":11.5,"days_with_snow":0.2,"days_freezing":15.1,"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":55.1,"avg_high_f":67.6,"avg_low_f":42.6,"precip_in":5.12,"snow_in":0,"heating_degree_days":315.6,"cooling_degree_days":18.6,"days_with_precip":10.5,"days_with_snow":0,"days_freezing":4.9,"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":63.9,"avg_high_f":75.2,"avg_low_f":52.6,"precip_in":5.35,"snow_in":0,"heating_degree_days":117.7,"cooling_degree_days":83.6,"days_with_precip":11,"days_with_snow":0,"days_freezing":0.4,"days_90f_plus":0.1,"humidity_pct":null,"wind_speed_mph":null,"clear_sky_pct":null,"overcast_pct":null},{"month":"June","month_number":6,"avg_temp_f":72.3,"avg_high_f":83,"avg_low_f":61.5,"precip_in":4.61,"snow_in":0,"heating_degree_days":11.2,"cooling_degree_days":228.6,"days_with_precip":8.9,"days_with_snow":0,"days_freezing":0,"days_90f_plus":5,"humidity_pct":null,"wind_speed_mph":null,"clear_sky_pct":null,"overcast_pct":null},{"month":"July","month_number":7,"avg_temp_f":75.8,"avg_high_f":86.4,"avg_low_f":65.2,"precip_in":4.4,"snow_in":0,"heating_degree_days":1,"cooling_degree_days":335.7,"days_with_precip":9,"days_with_snow":0,"days_freezing":0,"days_90f_plus":11,"humidity_pct":null,"wind_speed_mph":null,"clear_sky_pct":null,"overcast_pct":null},{"month":"August","month_number":8,"avg_temp_f":74.5,"avg_high_f":86.1,"avg_low_f":63,"precip_in":3.24,"snow_in":0,"heating_degree_days":2.2,"cooling_degree_days":298.2,"days_with_precip":7.4,"days_with_snow":0,"days_freezing":0,"days_90f_plus":10.1,"humidity_pct":null,"wind_speed_mph":null,"clear_sky_pct":null,"overcast_pct":null},{"month":"September","month_number":9,"avg_temp_f":67.8,"avg_high_f":80.4,"avg_low_f":55.1,"precip_in":3.24,"snow_in":0,"heating_degree_days":56.3,"cooling_degree_days":138.6,"days_with_precip":6.7,"days_with_snow":0,"days_freezing":0.1,"days_90f_plus":4.4,"humidity_pct":null,"wind_speed_mph":null,"clear_sky_pct":null,"overcast_pct":null},{"month":"October","month_number":10,"avg_temp_f":56,"avg_high_f":69.2,"avg_low_f":42.9,"precip_in":3.57,"snow_in":0.2,"heating_degree_days":299.9,"cooling_degree_days":22.5,"days_with_precip":7.6,"days_with_snow":0.1,"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":44.6,"avg_high_f":55.9,"avg_low_f":33.4,"precip_in":4.23,"snow_in":0,"heating_degree_days":612.2,"cooling_degree_days":1.7,"days_with_precip":8.6,"days_with_snow":0,"days_freezing":14.9,"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":35.8,"avg_high_f":45.2,"avg_low_f":26.3,"precip_in":4.44,"snow_in":0.6,"heating_degree_days":906.6,"cooling_degree_days":0,"days_with_precip":10,"days_with_snow":0.5,"days_freezing":22.6,"days_90f_plus":0,"humidity_pct":null,"wind_speed_mph":null,"clear_sky_pct":null,"overcast_pct":null}]}