{"metadata":{"title":"Belle Plaine, IA Monthly Climate Normals","page_url":"https://plainclimate.com/city/belle-plaine-ia","primary_station_id":"USC00130600","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, \"Belle Plaine, IA Climate Normals\". https://plainclimate.com/city/belle-plaine-ia","row_count":12},"annual_summary":{"city_slug":"belle-plaine-ia","ann_tavg":48.2,"ann_tmax":58.6,"ann_tmin":37.8,"ann_prcp":36,"ann_snow":27.9,"ann_htdd":6867.7,"ann_cldd":784.8,"frost_first":"10/10","frost_last":"04/28","growing_season":165,"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":19.3,"avg_high_f":28.1,"avg_low_f":10.4,"precip_in":1.11,"snow_in":7.8,"heating_degree_days":1418.1,"cooling_degree_days":0,"days_with_precip":6.3,"days_with_snow":4.8,"days_freezing":30.3,"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":32.8,"avg_low_f":14.3,"precip_in":1.28,"snow_in":7.4,"heating_degree_days":1160.6,"cooling_degree_days":0,"days_with_precip":6.4,"days_with_snow":4.3,"days_freezing":26.6,"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,"avg_low_f":25.8,"precip_in":2.03,"snow_in":3.4,"heating_degree_days":903.3,"cooling_degree_days":1.2,"days_with_precip":7.3,"days_with_snow":2.1,"days_freezing":23.7,"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":48.6,"avg_high_f":60,"avg_low_f":37.1,"precip_in":3.68,"snow_in":0.8,"heating_degree_days":497.9,"cooling_degree_days":4.4,"days_with_precip":10.2,"days_with_snow":0.6,"days_freezing":10,"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":60.1,"avg_high_f":70.9,"avg_low_f":49.2,"precip_in":4.43,"snow_in":0,"heating_degree_days":202.1,"cooling_degree_days":48.7,"days_with_precip":11.8,"days_with_snow":0,"days_freezing":0.9,"days_90f_plus":0.4,"humidity_pct":null,"wind_speed_mph":null,"clear_sky_pct":null,"overcast_pct":null},{"month":"June","month_number":6,"avg_temp_f":70,"avg_high_f":80.3,"avg_low_f":59.7,"precip_in":5.23,"snow_in":0,"heating_degree_days":27.3,"cooling_degree_days":177.2,"days_with_precip":11.5,"days_with_snow":0,"days_freezing":0,"days_90f_plus":2.8,"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":83.6,"avg_low_f":62.9,"precip_in":4.06,"snow_in":0,"heating_degree_days":5.1,"cooling_degree_days":260.8,"days_with_precip":8.1,"days_with_snow":0,"days_freezing":0,"days_90f_plus":5.9,"humidity_pct":null,"wind_speed_mph":null,"clear_sky_pct":null,"overcast_pct":null},{"month":"August","month_number":8,"avg_temp_f":71.1,"avg_high_f":82.1,"avg_low_f":60.2,"precip_in":4.08,"snow_in":0,"heating_degree_days":12.6,"cooling_degree_days":203.2,"days_with_precip":8.8,"days_with_snow":0,"days_freezing":0,"days_90f_plus":3.4,"humidity_pct":null,"wind_speed_mph":null,"clear_sky_pct":null,"overcast_pct":null},{"month":"September","month_number":9,"avg_temp_f":63.5,"avg_high_f":75.8,"avg_low_f":51.1,"precip_in":3.55,"snow_in":0,"heating_degree_days":125.8,"cooling_degree_days":79.3,"days_with_precip":7.4,"days_with_snow":0,"days_freezing":0.7,"days_90f_plus":1.5,"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":62.9,"avg_low_f":39,"precip_in":2.86,"snow_in":0.4,"heating_degree_days":445.5,"cooling_degree_days":10,"days_with_precip":8.2,"days_with_snow":0.2,"days_freezing":9.7,"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":37.2,"avg_high_f":47.2,"avg_low_f":27.1,"precip_in":2.11,"snow_in":1.8,"heating_degree_days":835.6,"cooling_degree_days":0.1,"days_with_precip":6.4,"days_with_snow":1,"days_freezing":22.3,"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":25.2,"avg_high_f":33.6,"avg_low_f":16.8,"precip_in":1.58,"snow_in":6.3,"heating_degree_days":1233.7,"cooling_degree_days":0,"days_with_precip":6.8,"days_with_snow":3.9,"days_freezing":29.1,"days_90f_plus":0,"humidity_pct":null,"wind_speed_mph":null,"clear_sky_pct":null,"overcast_pct":null}]}