{"metadata":{"title":"Alberton, MT Monthly Climate Normals","page_url":"https://plainclimate.com/city/alberton-mt","primary_station_id":"USC00240075","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, \"Alberton, MT Climate Normals\". https://plainclimate.com/city/alberton-mt","row_count":12},"annual_summary":{"city_slug":"alberton-mt","ann_tavg":45.4,"ann_tmax":58.8,"ann_tmin":32,"ann_prcp":18.66,"ann_snow":49.4,"ann_htdd":7413.8,"ann_cldd":282.1,"frost_first":"09/25","frost_last":"05/18","growing_season":130,"warmest_month":7,"coldest_month":12,"wettest_month":6,"driest_month":7,"snowiest_month":12,"comfort_score":49},"data":[{"month":"January","month_number":1,"avg_temp_f":26.3,"avg_high_f":34.6,"avg_low_f":18,"precip_in":1.45,"snow_in":10.3,"heating_degree_days":1199.7,"cooling_degree_days":0,"days_with_precip":13.6,"days_with_snow":8.9,"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":30.2,"avg_high_f":40.1,"avg_low_f":20.2,"precip_in":1.5,"snow_in":11.1,"heating_degree_days":975.8,"cooling_degree_days":0,"days_with_precip":12.8,"days_with_snow":8.1,"days_freezing":27,"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":36.7,"avg_high_f":48.9,"avg_low_f":24.5,"precip_in":1.7,"snow_in":6,"heating_degree_days":877.4,"cooling_degree_days":0,"days_with_precip":14,"days_with_snow":4.9,"days_freezing":26.9,"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":44.2,"avg_high_f":58.2,"avg_low_f":30.3,"precip_in":1.66,"snow_in":1.4,"heating_degree_days":622.5,"cooling_degree_days":0.1,"days_with_precip":13,"days_with_snow":1.6,"days_freezing":18.6,"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":52.7,"avg_high_f":67.6,"avg_low_f":37.8,"precip_in":2.04,"snow_in":0.1,"heating_degree_days":384.3,"cooling_degree_days":3,"days_with_precip":12.4,"days_with_snow":0.1,"days_freezing":6.4,"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":59.7,"avg_high_f":75.2,"avg_low_f":44.2,"precip_in":2.19,"snow_in":0,"heating_degree_days":186.5,"cooling_degree_days":27.5,"days_with_precip":12.7,"days_with_snow":0,"days_freezing":0.2,"days_90f_plus":3,"humidity_pct":null,"wind_speed_mph":null,"clear_sky_pct":null,"overcast_pct":null},{"month":"July","month_number":7,"avg_temp_f":67.7,"avg_high_f":86.8,"avg_low_f":48.7,"precip_in":0.88,"snow_in":0,"heating_degree_days":43.7,"cooling_degree_days":128.8,"days_with_precip":5,"days_with_snow":0,"days_freezing":0,"days_90f_plus":14.2,"humidity_pct":null,"wind_speed_mph":null,"clear_sky_pct":null,"overcast_pct":null},{"month":"August","month_number":8,"avg_temp_f":66.8,"avg_high_f":86.5,"avg_low_f":47.2,"precip_in":0.91,"snow_in":0,"heating_degree_days":50.1,"cooling_degree_days":107.3,"days_with_precip":6.3,"days_with_snow":0,"days_freezing":0,"days_90f_plus":12.7,"humidity_pct":null,"wind_speed_mph":null,"clear_sky_pct":null,"overcast_pct":null},{"month":"September","month_number":9,"avg_temp_f":57.6,"avg_high_f":75.7,"avg_low_f":39.6,"precip_in":1.07,"snow_in":0.1,"heating_degree_days":235.9,"cooling_degree_days":15.4,"days_with_precip":7.8,"days_with_snow":0.1,"days_freezing":2.7,"days_90f_plus":2.5,"humidity_pct":null,"wind_speed_mph":null,"clear_sky_pct":null,"overcast_pct":null},{"month":"October","month_number":10,"avg_temp_f":44.1,"avg_high_f":57.8,"avg_low_f":30.4,"precip_in":1.64,"snow_in":1.2,"heating_degree_days":647.8,"cooling_degree_days":0.1,"days_with_precip":12.1,"days_with_snow":0.7,"days_freezing":16.5,"days_90f_plus":0,"humidity_pct":null,"wind_speed_mph":null,"clear_sky_pct":null,"overcast_pct":null},{"month":"November","month_number":11,"avg_temp_f":32.6,"avg_high_f":41,"avg_low_f":24.1,"precip_in":2.02,"snow_in":6.4,"heating_degree_days":973.5,"cooling_degree_days":0,"days_with_precip":13.1,"days_with_snow":5,"days_freezing":24.8,"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":25.7,"avg_high_f":32.7,"avg_low_f":18.8,"precip_in":1.6,"snow_in":12.8,"heating_degree_days":1216.6,"cooling_degree_days":0,"days_with_precip":14.4,"days_with_snow":9.5,"days_freezing":30.1,"days_90f_plus":0,"humidity_pct":null,"wind_speed_mph":null,"clear_sky_pct":null,"overcast_pct":null}]}