{"metadata":{"title":"Oglala, SD Monthly Climate Normals","page_url":"https://plainclimate.com/city/oglala-sd","primary_station_id":"USC00396227","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, \"Oglala, SD Climate Normals\". https://plainclimate.com/city/oglala-sd","row_count":12},"annual_summary":{"city_slug":"oglala-sd","ann_tavg":49,"ann_tmax":61.9,"ann_tmin":36.1,"ann_prcp":null,"ann_snow":null,"ann_htdd":6622.8,"ann_cldd":814.5,"frost_first":"10/04","frost_last":"05/07","growing_season":150,"warmest_month":7,"coldest_month":1,"wettest_month":1,"driest_month":null,"snowiest_month":null,"comfort_score":null},"data":[{"month":"January","month_number":1,"avg_temp_f":25.5,"avg_high_f":37.1,"avg_low_f":13.9,"precip_in":null,"snow_in":null,"heating_degree_days":1224.4,"cooling_degree_days":0,"days_with_precip":null,"days_with_snow":null,"days_freezing":29.6,"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":28.8,"avg_high_f":40.5,"avg_low_f":17,"precip_in":null,"snow_in":null,"heating_degree_days":1014.8,"cooling_degree_days":0,"days_with_precip":null,"days_with_snow":null,"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":38.3,"avg_high_f":51.4,"avg_low_f":25.3,"precip_in":null,"snow_in":null,"heating_degree_days":826.4,"cooling_degree_days":0,"days_with_precip":null,"days_with_snow":null,"days_freezing":24.9,"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":46.6,"avg_high_f":59.7,"avg_low_f":33.5,"precip_in":null,"snow_in":null,"heating_degree_days":553,"cooling_degree_days":1,"days_with_precip":null,"days_with_snow":null,"days_freezing":12.1,"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":56.6,"avg_high_f":69.3,"avg_low_f":44,"precip_in":null,"snow_in":null,"heating_degree_days":281,"cooling_degree_days":22.2,"days_with_precip":null,"days_with_snow":null,"days_freezing":3.4,"days_90f_plus":1.2,"humidity_pct":null,"wind_speed_mph":null,"clear_sky_pct":null,"overcast_pct":null},{"month":"June","month_number":6,"avg_temp_f":67.2,"avg_high_f":80.2,"avg_low_f":54.2,"precip_in":null,"snow_in":null,"heating_degree_days":63.2,"cooling_degree_days":129.1,"days_with_precip":null,"days_with_snow":null,"days_freezing":0,"days_90f_plus":5,"humidity_pct":null,"wind_speed_mph":null,"clear_sky_pct":null,"overcast_pct":null},{"month":"July","month_number":7,"avg_temp_f":74.6,"avg_high_f":88,"avg_low_f":61.2,"precip_in":null,"snow_in":null,"heating_degree_days":6.9,"cooling_degree_days":304.3,"days_with_precip":null,"days_with_snow":null,"days_freezing":0,"days_90f_plus":16.6,"humidity_pct":null,"wind_speed_mph":null,"clear_sky_pct":null,"overcast_pct":null},{"month":"August","month_number":8,"avg_temp_f":73.1,"avg_high_f":87.7,"avg_low_f":58.4,"precip_in":null,"snow_in":null,"heating_degree_days":15.8,"cooling_degree_days":265.2,"days_with_precip":null,"days_with_snow":null,"days_freezing":0,"days_90f_plus":14.3,"humidity_pct":null,"wind_speed_mph":null,"clear_sky_pct":null,"overcast_pct":null},{"month":"September","month_number":9,"avg_temp_f":63.3,"avg_high_f":78.1,"avg_low_f":48.5,"precip_in":null,"snow_in":null,"heating_degree_days":138.2,"cooling_degree_days":87.1,"days_with_precip":null,"days_with_snow":null,"days_freezing":0.6,"days_90f_plus":6,"humidity_pct":null,"wind_speed_mph":null,"clear_sky_pct":null,"overcast_pct":null},{"month":"October","month_number":10,"avg_temp_f":49.2,"avg_high_f":62.8,"avg_low_f":35.7,"precip_in":null,"snow_in":null,"heating_degree_days":493.5,"cooling_degree_days":5.4,"days_with_precip":null,"days_with_snow":null,"days_freezing":11,"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":37.1,"avg_high_f":49.1,"avg_low_f":25,"precip_in":null,"snow_in":null,"heating_degree_days":838.6,"cooling_degree_days":0.1,"days_with_precip":null,"days_with_snow":null,"days_freezing":23.7,"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":27.3,"avg_high_f":38.7,"avg_low_f":16,"precip_in":null,"snow_in":null,"heating_degree_days":1166.9,"cooling_degree_days":0,"days_with_precip":null,"days_with_snow":null,"days_freezing":29.6,"days_90f_plus":0,"humidity_pct":null,"wind_speed_mph":null,"clear_sky_pct":null,"overcast_pct":null}]}