{"metadata":{"title":"Hales Corners/whitnall Park/bo, WI Monthly Climate Normals","page_url":"https://plainclimate.com/city/hales-corners-whitnall-park-bo-wi","primary_station_id":"USC00473391","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, \"Hales Corners/whitnall Park/bo, WI Climate Normals\". https://plainclimate.com/city/hales-corners-whitnall-park-bo-wi","row_count":12},"annual_summary":{"city_slug":"hales-corners-whitnall-park-bo-wi","ann_tavg":47.3,"ann_tmax":57.5,"ann_tmin":37,"ann_prcp":38.44,"ann_snow":null,"ann_htdd":7037.3,"ann_cldd":608.2,"frost_first":"10/14","frost_last":"05/03","growing_season":164,"warmest_month":7,"coldest_month":1,"wettest_month":6,"driest_month":1,"snowiest_month":null,"comfort_score":64},"data":[{"month":"January","month_number":1,"avg_temp_f":21,"avg_high_f":29.8,"avg_low_f":12.2,"precip_in":1.8,"snow_in":null,"heating_degree_days":1363.8,"cooling_degree_days":0,"days_with_precip":9.7,"days_with_snow":null,"days_freezing":29.9,"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":23.9,"avg_high_f":33.3,"avg_low_f":14.6,"precip_in":1.87,"snow_in":null,"heating_degree_days":1149.3,"cooling_degree_days":0,"days_with_precip":8.5,"days_with_snow":null,"days_freezing":27.4,"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":34,"avg_high_f":44.1,"avg_low_f":23.9,"precip_in":2.07,"snow_in":null,"heating_degree_days":962,"cooling_degree_days":0.9,"days_with_precip":8.4,"days_with_snow":null,"days_freezing":26.1,"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":45.2,"avg_high_f":56,"avg_low_f":34.5,"precip_in":4.1,"snow_in":null,"heating_degree_days":594,"cooling_degree_days":1.6,"days_with_precip":10.9,"days_with_snow":null,"days_freezing":14.2,"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":56.8,"avg_high_f":68.1,"avg_low_f":45.5,"precip_in":4.28,"snow_in":null,"heating_degree_days":283.8,"cooling_degree_days":29.6,"days_with_precip":13.3,"days_with_snow":null,"days_freezing":2.2,"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":66.8,"avg_high_f":77.7,"avg_low_f":55.9,"precip_in":5.63,"snow_in":null,"heating_degree_days":62,"cooling_degree_days":115.9,"days_with_precip":11.9,"days_with_snow":null,"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":71.7,"avg_high_f":82.8,"avg_low_f":60.5,"precip_in":3.75,"snow_in":null,"heating_degree_days":8.8,"cooling_degree_days":214.9,"days_with_precip":8.6,"days_with_snow":null,"days_freezing":0,"days_90f_plus":5.3,"humidity_pct":null,"wind_speed_mph":null,"clear_sky_pct":null,"overcast_pct":null},{"month":"August","month_number":8,"avg_temp_f":70.1,"avg_high_f":81.1,"avg_low_f":59.2,"precip_in":3.79,"snow_in":null,"heating_degree_days":14.7,"cooling_degree_days":174.3,"days_with_precip":10,"days_with_snow":null,"days_freezing":0,"days_90f_plus":2.9,"humidity_pct":null,"wind_speed_mph":null,"clear_sky_pct":null,"overcast_pct":null},{"month":"September","month_number":9,"avg_temp_f":62.7,"avg_high_f":74.2,"avg_low_f":51.3,"precip_in":3.77,"snow_in":null,"heating_degree_days":131.9,"cooling_degree_days":64.3,"days_with_precip":10.1,"days_with_snow":null,"days_freezing":0.3,"days_90f_plus":1.4,"humidity_pct":null,"wind_speed_mph":null,"clear_sky_pct":null,"overcast_pct":null},{"month":"October","month_number":10,"avg_temp_f":50.6,"avg_high_f":61.5,"avg_low_f":39.7,"precip_in":3.01,"snow_in":null,"heating_degree_days":453,"cooling_degree_days":6.6,"days_with_precip":11.7,"days_with_snow":null,"days_freezing":8.8,"days_90f_plus":0,"humidity_pct":null,"wind_speed_mph":null,"clear_sky_pct":null,"overcast_pct":null},{"month":"November","month_number":11,"avg_temp_f":37.5,"avg_high_f":46.5,"avg_low_f":28.5,"precip_in":2.28,"snow_in":null,"heating_degree_days":825.1,"cooling_degree_days":0.1,"days_with_precip":8.5,"days_with_snow":null,"days_freezing":21.5,"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":26.7,"avg_high_f":35,"avg_low_f":18.3,"precip_in":2.09,"snow_in":null,"heating_degree_days":1188.8,"cooling_degree_days":0,"days_with_precip":9.7,"days_with_snow":null,"days_freezing":28.9,"days_90f_plus":0,"humidity_pct":null,"wind_speed_mph":null,"clear_sky_pct":null,"overcast_pct":null}]}