{"metadata":{"title":"Union Grove, WI Monthly Climate Normals","page_url":"https://plainclimate.com/city/union-grove-wi","primary_station_id":"USC00478723","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, \"Union Grove, WI Climate Normals\". https://plainclimate.com/city/union-grove-wi","row_count":12},"annual_summary":{"city_slug":"union-grove-wi","ann_tavg":46.4,"ann_tmax":56,"ann_tmin":36.8,"ann_prcp":35.28,"ann_snow":40.5,"ann_htdd":7283.3,"ann_cldd":529.1,"frost_first":"10/08","frost_last":"05/05","growing_season":156,"warmest_month":7,"coldest_month":1,"wettest_month":6,"driest_month":2,"snowiest_month":1,"comfort_score":59},"data":[{"month":"January","month_number":1,"avg_temp_f":19.9,"avg_high_f":28.1,"avg_low_f":11.7,"precip_in":1.76,"snow_in":13,"heating_degree_days":1398,"cooling_degree_days":0,"days_with_precip":9.2,"days_with_snow":5.9,"days_freezing":29.2,"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":23.5,"avg_high_f":31.9,"avg_low_f":15.1,"precip_in":1.48,"snow_in":11,"heating_degree_days":1162,"cooling_degree_days":0,"days_with_precip":7.4,"days_with_snow":4.3,"days_freezing":26.2,"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":33.8,"avg_high_f":43.1,"avg_low_f":24.5,"precip_in":2.1,"snow_in":4.9,"heating_degree_days":967.6,"cooling_degree_days":0.3,"days_with_precip":8.1,"days_with_snow":2.3,"days_freezing":23.6,"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":44.7,"avg_high_f":54.8,"avg_low_f":34.5,"precip_in":3.51,"snow_in":1.7,"heating_degree_days":613.1,"cooling_degree_days":2.6,"days_with_precip":10.8,"days_with_snow":0.7,"days_freezing":11.1,"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":55.9,"avg_high_f":66.4,"avg_low_f":45.4,"precip_in":4.13,"snow_in":0,"heating_degree_days":308.4,"cooling_degree_days":26.3,"days_with_precip":11.6,"days_with_snow":0,"days_freezing":1,"days_90f_plus":0.3,"humidity_pct":null,"wind_speed_mph":null,"clear_sky_pct":null,"overcast_pct":null},{"month":"June","month_number":6,"avg_temp_f":66,"avg_high_f":76.3,"avg_low_f":55.6,"precip_in":4.5,"snow_in":0,"heating_degree_days":79.7,"cooling_degree_days":108.2,"days_with_precip":10.5,"days_with_snow":0,"days_freezing":0,"days_90f_plus":1.8,"humidity_pct":null,"wind_speed_mph":null,"clear_sky_pct":null,"overcast_pct":null},{"month":"July","month_number":7,"avg_temp_f":70.7,"avg_high_f":80.9,"avg_low_f":60.6,"precip_in":3.54,"snow_in":0,"heating_degree_days":18,"cooling_degree_days":196.2,"days_with_precip":8.6,"days_with_snow":0,"days_freezing":0,"days_90f_plus":3.8,"humidity_pct":null,"wind_speed_mph":null,"clear_sky_pct":null,"overcast_pct":null},{"month":"August","month_number":8,"avg_temp_f":68.6,"avg_high_f":78.9,"avg_low_f":58.3,"precip_in":3.82,"snow_in":0,"heating_degree_days":28.2,"cooling_degree_days":139.8,"days_with_precip":9.1,"days_with_snow":0,"days_freezing":0,"days_90f_plus":1.8,"humidity_pct":null,"wind_speed_mph":null,"clear_sky_pct":null,"overcast_pct":null},{"month":"September","month_number":9,"avg_temp_f":61.3,"avg_high_f":72.4,"avg_low_f":50.3,"precip_in":3.39,"snow_in":0,"heating_degree_days":159.2,"cooling_degree_days":49.7,"days_with_precip":8.7,"days_with_snow":0,"days_freezing":0.2,"days_90f_plus":0.9,"humidity_pct":null,"wind_speed_mph":null,"clear_sky_pct":null,"overcast_pct":null},{"month":"October","month_number":10,"avg_temp_f":49.4,"avg_high_f":59.8,"avg_low_f":39,"precip_in":2.94,"snow_in":0.1,"heating_degree_days":489.5,"cooling_degree_days":5.9,"days_with_precip":9.8,"days_with_snow":0.1,"days_freezing":7.4,"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":36.8,"avg_high_f":45.4,"avg_low_f":28.1,"precip_in":2.38,"snow_in":2.1,"heating_degree_days":847.6,"cooling_degree_days":0.1,"days_with_precip":8,"days_with_snow":1.2,"days_freezing":19,"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":25.9,"avg_high_f":33.5,"avg_low_f":18.3,"precip_in":1.73,"snow_in":7.7,"heating_degree_days":1212.1,"cooling_degree_days":0,"days_with_precip":9,"days_with_snow":3.8,"days_freezing":27.6,"days_90f_plus":0,"humidity_pct":null,"wind_speed_mph":null,"clear_sky_pct":null,"overcast_pct":null}]}