{"metadata":{"title":"Butte, ND Monthly Climate Normals","page_url":"https://plainclimate.com/city/butte-nd","primary_station_id":"USC00321225","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, \"Butte, ND Climate Normals\". https://plainclimate.com/city/butte-nd","row_count":12},"annual_summary":{"city_slug":"butte-nd","ann_tavg":41,"ann_tmax":52,"ann_tmin":30,"ann_prcp":null,"ann_snow":null,"ann_htdd":9115.6,"ann_cldd":413.8,"frost_first":"09/28","frost_last":"05/16","growing_season":135,"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":10,"avg_high_f":19.3,"avg_low_f":0.7,"precip_in":null,"snow_in":null,"heating_degree_days":1704.8,"cooling_degree_days":0,"days_with_precip":null,"days_with_snow":null,"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":14,"avg_high_f":23.6,"avg_low_f":4.5,"precip_in":null,"snow_in":null,"heating_degree_days":1426.5,"cooling_degree_days":0,"days_with_precip":null,"days_with_snow":null,"days_freezing":27.7,"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":26.3,"avg_high_f":36.3,"avg_low_f":16.4,"precip_in":null,"snow_in":null,"heating_degree_days":1198.2,"cooling_degree_days":0,"days_with_precip":null,"days_with_snow":null,"days_freezing":28.1,"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":41.2,"avg_high_f":53.3,"avg_low_f":29.2,"precip_in":null,"snow_in":null,"heating_degree_days":712.9,"cooling_degree_days":0.3,"days_with_precip":null,"days_with_snow":null,"days_freezing":18,"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":54,"avg_high_f":66.4,"avg_low_f":41.7,"precip_in":null,"snow_in":null,"heating_degree_days":350.8,"cooling_degree_days":11.3,"days_with_precip":null,"days_with_snow":null,"days_freezing":4.7,"days_90f_plus":0.3,"humidity_pct":null,"wind_speed_mph":null,"clear_sky_pct":null,"overcast_pct":null},{"month":"June","month_number":6,"avg_temp_f":63.5,"avg_high_f":75.1,"avg_low_f":52,"precip_in":null,"snow_in":null,"heating_degree_days":108.7,"cooling_degree_days":65,"days_with_precip":null,"days_with_snow":null,"days_freezing":0.1,"days_90f_plus":1.2,"humidity_pct":null,"wind_speed_mph":null,"clear_sky_pct":null,"overcast_pct":null},{"month":"July","month_number":7,"avg_temp_f":68.8,"avg_high_f":80.9,"avg_low_f":56.8,"precip_in":null,"snow_in":null,"heating_degree_days":30.4,"cooling_degree_days":149.8,"days_with_precip":null,"days_with_snow":null,"days_freezing":0,"days_90f_plus":3.9,"humidity_pct":null,"wind_speed_mph":null,"clear_sky_pct":null,"overcast_pct":null},{"month":"August","month_number":8,"avg_temp_f":68.1,"avg_high_f":81.2,"avg_low_f":55,"precip_in":null,"snow_in":null,"heating_degree_days":49.3,"cooling_degree_days":145.3,"days_with_precip":null,"days_with_snow":null,"days_freezing":0,"days_90f_plus":5.8,"humidity_pct":null,"wind_speed_mph":null,"clear_sky_pct":null,"overcast_pct":null},{"month":"September","month_number":9,"avg_temp_f":58.7,"avg_high_f":71.6,"avg_low_f":45.8,"precip_in":null,"snow_in":null,"heating_degree_days":229.3,"cooling_degree_days":40.2,"days_with_precip":null,"days_with_snow":null,"days_freezing":1.6,"days_90f_plus":1.6,"humidity_pct":null,"wind_speed_mph":null,"clear_sky_pct":null,"overcast_pct":null},{"month":"October","month_number":10,"avg_temp_f":43.9,"avg_high_f":55.3,"avg_low_f":32.5,"precip_in":null,"snow_in":null,"heating_degree_days":656,"cooling_degree_days":1.9,"days_with_precip":null,"days_with_snow":null,"days_freezing":14.9,"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":27.7,"avg_high_f":37.1,"avg_low_f":18.4,"precip_in":null,"snow_in":null,"heating_degree_days":1117.4,"cooling_degree_days":0,"days_with_precip":null,"days_with_snow":null,"days_freezing":27.6,"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":15.6,"avg_high_f":24.5,"avg_low_f":6.7,"precip_in":null,"snow_in":null,"heating_degree_days":1531.3,"cooling_degree_days":0,"days_with_precip":null,"days_with_snow":null,"days_freezing":30.8,"days_90f_plus":0,"humidity_pct":null,"wind_speed_mph":null,"clear_sky_pct":null,"overcast_pct":null}]}