{"metadata":{"title":"Pierre, SD Monthly Climate Normals","page_url":"https://plainclimate.com/city/pierre-sd","primary_station_id":"USW00094085","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, \"Pierre, SD Climate Normals\". https://plainclimate.com/city/pierre-sd","row_count":12},"annual_summary":{"city_slug":"pierre-sd","ann_tavg":47,"ann_tmax":58.3,"ann_tmin":35.6,"ann_prcp":19.65,"ann_snow":null,"ann_htdd":7270.1,"ann_cldd":734.8,"frost_first":"10/07","frost_last":"05/06","growing_season":154,"warmest_month":7,"coldest_month":1,"wettest_month":6,"driest_month":12,"snowiest_month":null,"comfort_score":52},"data":[{"month":"January","month_number":1,"avg_temp_f":20.7,"avg_high_f":30.1,"avg_low_f":11.3,"precip_in":0.39,"snow_in":null,"heating_degree_days":1373,"cooling_degree_days":0,"days_with_precip":6.2,"days_with_snow":null,"days_freezing":30.1,"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":23.9,"avg_high_f":34.1,"avg_low_f":13.7,"precip_in":0.59,"snow_in":null,"heating_degree_days":1150.3,"cooling_degree_days":0,"days_with_precip":7.3,"days_with_snow":null,"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":34.6,"avg_high_f":45.9,"avg_low_f":23.2,"precip_in":0.92,"snow_in":null,"heating_degree_days":944.4,"cooling_degree_days":0.3,"days_with_precip":6.9,"days_with_snow":null,"days_freezing":24.2,"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":45.4,"avg_high_f":57.4,"avg_low_f":33.3,"precip_in":2.02,"snow_in":null,"heating_degree_days":591,"cooling_degree_days":1.6,"days_with_precip":9.3,"days_with_snow":null,"days_freezing":13.1,"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":56.2,"avg_high_f":68,"avg_low_f":44.4,"precip_in":3.13,"snow_in":null,"heating_degree_days":292.8,"cooling_degree_days":19.9,"days_with_precip":12.3,"days_with_snow":null,"days_freezing":2.3,"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":55.5,"precip_in":3.54,"snow_in":null,"heating_degree_days":56.9,"cooling_degree_days":112.2,"days_with_precip":11,"days_with_snow":null,"days_freezing":0,"days_90f_plus":2.6,"humidity_pct":null,"wind_speed_mph":null,"clear_sky_pct":null,"overcast_pct":null},{"month":"July","month_number":7,"avg_temp_f":73.7,"avg_high_f":86.4,"avg_low_f":61,"precip_in":2.45,"snow_in":null,"heating_degree_days":4.4,"cooling_degree_days":273.7,"days_with_precip":8.5,"days_with_snow":null,"days_freezing":0,"days_90f_plus":11.3,"humidity_pct":null,"wind_speed_mph":null,"clear_sky_pct":null,"overcast_pct":null},{"month":"August","month_number":8,"avg_temp_f":72.3,"avg_high_f":85.3,"avg_low_f":59.3,"precip_in":2.29,"snow_in":null,"heating_degree_days":13.5,"cooling_degree_days":239.4,"days_with_precip":9.1,"days_with_snow":null,"days_freezing":0,"days_90f_plus":9,"humidity_pct":null,"wind_speed_mph":null,"clear_sky_pct":null,"overcast_pct":null},{"month":"September","month_number":9,"avg_temp_f":63.1,"avg_high_f":76.3,"avg_low_f":49.9,"precip_in":1.51,"snow_in":null,"heating_degree_days":137.8,"cooling_degree_days":80.3,"days_with_precip":6.9,"days_with_snow":null,"days_freezing":0.1,"days_90f_plus":3.3,"humidity_pct":null,"wind_speed_mph":null,"clear_sky_pct":null,"overcast_pct":null},{"month":"October","month_number":10,"avg_temp_f":48.5,"avg_high_f":59.9,"avg_low_f":37,"precip_in":1.58,"snow_in":null,"heating_degree_days":520.1,"cooling_degree_days":7.3,"days_with_precip":7.8,"days_with_snow":null,"days_freezing":9.8,"days_90f_plus":0.5,"humidity_pct":null,"wind_speed_mph":null,"clear_sky_pct":null,"overcast_pct":null},{"month":"November","month_number":11,"avg_temp_f":34.7,"avg_high_f":45.1,"avg_low_f":24.4,"precip_in":0.86,"snow_in":null,"heating_degree_days":907.6,"cooling_degree_days":0.1,"days_with_precip":4.9,"days_with_snow":null,"days_freezing":22.8,"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":23.7,"avg_high_f":32.9,"avg_low_f":14.6,"precip_in":0.37,"snow_in":null,"heating_degree_days":1278.2,"cooling_degree_days":0,"days_with_precip":7,"days_with_snow":null,"days_freezing":30.3,"days_90f_plus":0,"humidity_pct":null,"wind_speed_mph":null,"clear_sky_pct":null,"overcast_pct":null}]}