{"metadata":{"title":"Boone, IA Monthly Climate Normals","page_url":"https://plainclimate.com/city/boone-ia","primary_station_id":"USC00130807","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, \"Boone, IA Climate Normals\". https://plainclimate.com/city/boone-ia","row_count":12},"annual_summary":{"city_slug":"boone-ia","ann_tavg":48.1,"ann_tmax":58.8,"ann_tmin":37.4,"ann_prcp":39.14,"ann_snow":35.9,"ann_htdd":6921.2,"ann_cldd":799.2,"frost_first":"10/12","frost_last":"04/28","growing_season":167,"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":18.7,"avg_high_f":28.2,"avg_low_f":9.1,"precip_in":1.2,"snow_in":9.9,"heating_degree_days":1436.6,"cooling_degree_days":0,"days_with_precip":8.9,"days_with_snow":6.1,"days_freezing":30.7,"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":23.3,"avg_high_f":33.3,"avg_low_f":13.3,"precip_in":1.41,"snow_in":9.3,"heating_degree_days":1167.5,"cooling_degree_days":0,"days_with_precip":8.5,"days_with_snow":5.8,"days_freezing":27.1,"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":35.9,"avg_high_f":46.3,"avg_low_f":25.6,"precip_in":2.26,"snow_in":5,"heating_degree_days":901.3,"cooling_degree_days":0.7,"days_with_precip":9.5,"days_with_snow":2.8,"days_freezing":24.1,"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":48.4,"avg_high_f":60,"avg_low_f":36.7,"precip_in":4.06,"snow_in":1.3,"heating_degree_days":505,"cooling_degree_days":5.4,"days_with_precip":12.5,"days_with_snow":1,"days_freezing":9.6,"days_90f_plus":0.1,"humidity_pct":null,"wind_speed_mph":null,"clear_sky_pct":null,"overcast_pct":null},{"month":"May","month_number":5,"avg_temp_f":59.7,"avg_high_f":71,"avg_low_f":48.5,"precip_in":5.17,"snow_in":0,"heating_degree_days":209.3,"cooling_degree_days":46.5,"days_with_precip":14.4,"days_with_snow":0,"days_freezing":0.8,"days_90f_plus":0.6,"humidity_pct":null,"wind_speed_mph":null,"clear_sky_pct":null,"overcast_pct":null},{"month":"June","month_number":6,"avg_temp_f":69.6,"avg_high_f":80.7,"avg_low_f":58.6,"precip_in":5.38,"snow_in":0,"heating_degree_days":29.9,"cooling_degree_days":169.3,"days_with_precip":12.8,"days_with_snow":0,"days_freezing":0,"days_90f_plus":3.3,"humidity_pct":null,"wind_speed_mph":null,"clear_sky_pct":null,"overcast_pct":null},{"month":"July","month_number":7,"avg_temp_f":73.5,"avg_high_f":84.2,"avg_low_f":62.7,"precip_in":4.8,"snow_in":0,"heating_degree_days":4.8,"cooling_degree_days":266.6,"days_with_precip":10.4,"days_with_snow":0,"days_freezing":0,"days_90f_plus":6.5,"humidity_pct":null,"wind_speed_mph":null,"clear_sky_pct":null,"overcast_pct":null},{"month":"August","month_number":8,"avg_temp_f":71.5,"avg_high_f":82.2,"avg_low_f":60.8,"precip_in":4.92,"snow_in":0,"heating_degree_days":11.8,"cooling_degree_days":213.3,"days_with_precip":10.9,"days_with_snow":0,"days_freezing":0,"days_90f_plus":3.6,"humidity_pct":null,"wind_speed_mph":null,"clear_sky_pct":null,"overcast_pct":null},{"month":"September","month_number":9,"avg_temp_f":63.9,"avg_high_f":76.1,"avg_low_f":51.7,"precip_in":3.32,"snow_in":0,"heating_degree_days":119.7,"cooling_degree_days":86.6,"days_with_precip":9.2,"days_with_snow":0,"days_freezing":0.4,"days_90f_plus":1.8,"humidity_pct":null,"wind_speed_mph":null,"clear_sky_pct":null,"overcast_pct":null},{"month":"October","month_number":10,"avg_temp_f":51,"avg_high_f":63.2,"avg_low_f":38.8,"precip_in":2.97,"snow_in":0.6,"heating_degree_days":444.7,"cooling_degree_days":10.7,"days_with_precip":9.4,"days_with_snow":0.3,"days_freezing":8.5,"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":36.8,"avg_high_f":46.9,"avg_low_f":26.8,"precip_in":2.08,"snow_in":1.9,"heating_degree_days":844.5,"cooling_degree_days":0,"days_with_precip":7.7,"days_with_snow":1.4,"days_freezing":21.9,"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":24.8,"avg_high_f":33.8,"avg_low_f":15.8,"precip_in":1.57,"snow_in":7.9,"heating_degree_days":1246.1,"cooling_degree_days":0,"days_with_precip":8.8,"days_with_snow":5.2,"days_freezing":29.8,"days_90f_plus":0,"humidity_pct":null,"wind_speed_mph":null,"clear_sky_pct":null,"overcast_pct":null}]}