{"metadata":{"title":"Miller, SD Monthly Climate Normals","page_url":"https://plainclimate.com/city/miller-sd","primary_station_id":"USC00395561","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, \"Miller, SD Climate Normals\". https://plainclimate.com/city/miller-sd","row_count":12},"annual_summary":{"city_slug":"miller-sd","ann_tavg":45.2,"ann_tmax":56.4,"ann_tmin":33.9,"ann_prcp":22.32,"ann_snow":43.7,"ann_htdd":7839.8,"ann_cldd":653.4,"frost_first":"10/03","frost_last":"05/03","growing_season":153,"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":16.6,"avg_high_f":26.2,"avg_low_f":7,"precip_in":0.42,"snow_in":7,"heating_degree_days":1500.3,"cooling_degree_days":0,"days_with_precip":4,"days_with_snow":3.3,"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":20.3,"avg_high_f":30.6,"avg_low_f":9.9,"precip_in":0.77,"snow_in":10.7,"heating_degree_days":1252.9,"cooling_degree_days":0,"days_with_precip":4.7,"days_with_snow":3.7,"days_freezing":27.2,"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":31.7,"avg_high_f":42.6,"avg_low_f":20.7,"precip_in":0.91,"snow_in":6.8,"heating_degree_days":1033.9,"cooling_degree_days":0,"days_with_precip":4.8,"days_with_snow":2.5,"days_freezing":27.4,"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":44.1,"avg_high_f":56.3,"avg_low_f":31.9,"precip_in":2.21,"snow_in":5.1,"heating_degree_days":628.2,"cooling_degree_days":1.2,"days_with_precip":7.5,"days_with_snow":1.6,"days_freezing":16.2,"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":56.4,"avg_high_f":68.2,"avg_low_f":44.7,"precip_in":3.51,"snow_in":0,"heating_degree_days":289.4,"cooling_degree_days":24.3,"days_with_precip":10.3,"days_with_snow":0,"days_freezing":2.5,"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":66.9,"avg_high_f":78.2,"avg_low_f":55.6,"precip_in":3.86,"snow_in":0,"heating_degree_days":60.3,"cooling_degree_days":117.2,"days_with_precip":10.1,"days_with_snow":0,"days_freezing":0,"days_90f_plus":2.3,"humidity_pct":null,"wind_speed_mph":null,"clear_sky_pct":null,"overcast_pct":null},{"month":"July","month_number":7,"avg_temp_f":72.7,"avg_high_f":84.8,"avg_low_f":60.7,"precip_in":3.01,"snow_in":0,"heating_degree_days":10.5,"cooling_degree_days":250.7,"days_with_precip":7.9,"days_with_snow":0,"days_freezing":0,"days_90f_plus":8.4,"humidity_pct":null,"wind_speed_mph":null,"clear_sky_pct":null,"overcast_pct":null},{"month":"August","month_number":8,"avg_temp_f":70.3,"avg_high_f":82.6,"avg_low_f":58.1,"precip_in":2.46,"snow_in":0,"heating_degree_days":22.6,"cooling_degree_days":188.4,"days_with_precip":7.4,"days_with_snow":0,"days_freezing":0,"days_90f_plus":5.6,"humidity_pct":null,"wind_speed_mph":null,"clear_sky_pct":null,"overcast_pct":null},{"month":"September","month_number":9,"avg_temp_f":61.7,"avg_high_f":74.4,"avg_low_f":49.1,"precip_in":1.95,"snow_in":0,"heating_degree_days":164.9,"cooling_degree_days":67.3,"days_with_precip":5.9,"days_with_snow":0,"days_freezing":1,"days_90f_plus":2.6,"humidity_pct":null,"wind_speed_mph":null,"clear_sky_pct":null,"overcast_pct":null},{"month":"October","month_number":10,"avg_temp_f":47.2,"avg_high_f":58.9,"avg_low_f":35.4,"precip_in":2.02,"snow_in":1.1,"heating_degree_days":557.7,"cooling_degree_days":4.4,"days_with_precip":6,"days_with_snow":0.5,"days_freezing":10.9,"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":32.9,"avg_high_f":43.5,"avg_low_f":22.3,"precip_in":0.61,"snow_in":4.3,"heating_degree_days":963,"cooling_degree_days":0,"days_with_precip":3.2,"days_with_snow":1.8,"days_freezing":25.3,"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":21.2,"avg_high_f":30.4,"avg_low_f":12.1,"precip_in":0.59,"snow_in":8.7,"heating_degree_days":1356.1,"cooling_degree_days":0,"days_with_precip":4.3,"days_with_snow":3.4,"days_freezing":30.5,"days_90f_plus":0,"humidity_pct":null,"wind_speed_mph":null,"clear_sky_pct":null,"overcast_pct":null}]}