{"metadata":{"title":"Sioux Ctr, IA Monthly Climate Normals","page_url":"https://plainclimate.com/city/sioux-ctr-ia","primary_station_id":"USC00137700","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, \"Sioux Ctr, IA Climate Normals\". https://plainclimate.com/city/sioux-ctr-ia","row_count":12},"annual_summary":{"city_slug":"sioux-ctr-ia","ann_tavg":48,"ann_tmax":59,"ann_tmin":36.9,"ann_prcp":29.85,"ann_snow":34.8,"ann_htdd":6992.6,"ann_cldd":825,"frost_first":"10/03","frost_last":"04/30","growing_season":156,"warmest_month":7,"coldest_month":1,"wettest_month":6,"driest_month":1,"snowiest_month":2,"comfort_score":59},"data":[{"month":"January","month_number":1,"avg_temp_f":18.4,"avg_high_f":27.4,"avg_low_f":9.4,"precip_in":0.67,"snow_in":6.8,"heating_degree_days":1444.4,"cooling_degree_days":0,"days_with_precip":5.1,"days_with_snow":3.8,"days_freezing":30.8,"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":23.4,"avg_high_f":32.9,"avg_low_f":13.9,"precip_in":0.88,"snow_in":7.7,"heating_degree_days":1164.6,"cooling_degree_days":0,"days_with_precip":5.2,"days_with_snow":3.9,"days_freezing":26.7,"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":35.7,"avg_high_f":46.3,"avg_low_f":25.2,"precip_in":1.72,"snow_in":5.6,"heating_degree_days":907.5,"cooling_degree_days":0.7,"days_with_precip":6.1,"days_with_snow":2.6,"days_freezing":23.5,"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":48.7,"avg_high_f":61.2,"avg_low_f":36.1,"precip_in":2.98,"snow_in":3.1,"heating_degree_days":497.4,"cooling_degree_days":6.8,"days_with_precip":9.4,"days_with_snow":1.2,"days_freezing":10.7,"days_90f_plus":0.3,"humidity_pct":null,"wind_speed_mph":null,"clear_sky_pct":null,"overcast_pct":null},{"month":"May","month_number":5,"avg_temp_f":60.8,"avg_high_f":73.2,"avg_low_f":48.4,"precip_in":4.15,"snow_in":0.1,"heating_degree_days":191.5,"cooling_degree_days":61.3,"days_with_precip":12.4,"days_with_snow":0,"days_freezing":1.1,"days_90f_plus":2,"humidity_pct":null,"wind_speed_mph":null,"clear_sky_pct":null,"overcast_pct":null},{"month":"June","month_number":6,"avg_temp_f":70.7,"avg_high_f":82.4,"avg_low_f":58.9,"precip_in":4.51,"snow_in":0,"heating_degree_days":25.1,"cooling_degree_days":194.4,"days_with_precip":10.8,"days_with_snow":0,"days_freezing":0,"days_90f_plus":5.8,"humidity_pct":null,"wind_speed_mph":null,"clear_sky_pct":null,"overcast_pct":null},{"month":"July","month_number":7,"avg_temp_f":73.3,"avg_high_f":84.8,"avg_low_f":61.8,"precip_in":3.45,"snow_in":0,"heating_degree_days":6.4,"cooling_degree_days":263.6,"days_with_precip":8.3,"days_with_snow":0,"days_freezing":0,"days_90f_plus":8,"humidity_pct":null,"wind_speed_mph":null,"clear_sky_pct":null,"overcast_pct":null},{"month":"August","month_number":8,"avg_temp_f":70.9,"avg_high_f":82.3,"avg_low_f":59.5,"precip_in":3.4,"snow_in":0,"heating_degree_days":15.7,"cooling_degree_days":198.5,"days_with_precip":9,"days_with_snow":0,"days_freezing":0,"days_90f_plus":4.3,"humidity_pct":null,"wind_speed_mph":null,"clear_sky_pct":null,"overcast_pct":null},{"month":"September","month_number":9,"avg_temp_f":64.2,"avg_high_f":77.1,"avg_low_f":51.2,"precip_in":3.21,"snow_in":0,"heating_degree_days":114.1,"cooling_degree_days":88.5,"days_with_precip":7.8,"days_with_snow":0,"days_freezing":1.1,"days_90f_plus":1.9,"humidity_pct":null,"wind_speed_mph":null,"clear_sky_pct":null,"overcast_pct":null},{"month":"October","month_number":10,"avg_temp_f":51.1,"avg_high_f":63.6,"avg_low_f":38.6,"precip_in":2.46,"snow_in":0.9,"heating_degree_days":442.1,"cooling_degree_days":11.2,"days_with_precip":7.6,"days_with_snow":0.5,"days_freezing":8.6,"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":35.6,"avg_high_f":45.8,"avg_low_f":25.4,"precip_in":1.43,"snow_in":3.9,"heating_degree_days":882,"cooling_degree_days":0,"days_with_precip":5.6,"days_with_snow":2.3,"days_freezing":22.2,"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":23,"avg_high_f":31.5,"avg_low_f":14.5,"precip_in":0.99,"snow_in":6.7,"heating_degree_days":1301.8,"cooling_degree_days":0,"days_with_precip":5.8,"days_with_snow":4.1,"days_freezing":29.8,"days_90f_plus":0,"humidity_pct":null,"wind_speed_mph":null,"clear_sky_pct":null,"overcast_pct":null}]}