{"metadata":{"title":"Columbus, MT Monthly Climate Normals","page_url":"https://plainclimate.com/city/columbus-mt","primary_station_id":"USC00241938","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, \"Columbus, MT Climate Normals\". https://plainclimate.com/city/columbus-mt","row_count":12},"annual_summary":{"city_slug":"columbus-mt","ann_tavg":44.4,"ann_tmax":59.6,"ann_tmin":29.2,"ann_prcp":15.53,"ann_snow":47.6,"ann_htdd":7735.8,"ann_cldd":240.8,"frost_first":"09/14","frost_last":"05/27","growing_season":110,"warmest_month":7,"coldest_month":1,"wettest_month":5,"driest_month":1,"snowiest_month":12,"comfort_score":39},"data":[{"month":"January","month_number":1,"avg_temp_f":23.4,"avg_high_f":36.8,"avg_low_f":10,"precip_in":0.62,"snow_in":7,"heating_degree_days":1289.6,"cooling_degree_days":0,"days_with_precip":5.1,"days_with_snow":3.6,"days_freezing":29.9,"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":26.7,"avg_high_f":40.3,"avg_low_f":13,"precip_in":0.67,"snow_in":8.8,"heating_degree_days":1073.8,"cooling_degree_days":0,"days_with_precip":6,"days_with_snow":5,"days_freezing":26.5,"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":35.6,"avg_high_f":50.5,"avg_low_f":20.6,"precip_in":0.93,"snow_in":7.7,"heating_degree_days":913,"cooling_degree_days":0,"days_with_precip":7.2,"days_with_snow":3.7,"days_freezing":26.3,"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":43.1,"avg_high_f":58,"avg_low_f":28.2,"precip_in":1.97,"snow_in":4.5,"heating_degree_days":657,"cooling_degree_days":0,"days_with_precip":9.6,"days_with_snow":2.2,"days_freezing":18.4,"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,"avg_high_f":66.8,"avg_low_f":37.2,"precip_in":2.82,"snow_in":0.5,"heating_degree_days":405.2,"cooling_degree_days":2.1,"days_with_precip":11.6,"days_with_snow":0.3,"days_freezing":5.7,"days_90f_plus":0.2,"humidity_pct":null,"wind_speed_mph":null,"clear_sky_pct":null,"overcast_pct":null},{"month":"June","month_number":6,"avg_temp_f":60.4,"avg_high_f":75.9,"avg_low_f":44.9,"precip_in":2.25,"snow_in":0,"heating_degree_days":161.6,"cooling_degree_days":23.6,"days_with_precip":11,"days_with_snow":0,"days_freezing":0.1,"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":67.7,"avg_high_f":85.4,"avg_low_f":50,"precip_in":1.15,"snow_in":0,"heating_degree_days":33.9,"cooling_degree_days":117.5,"days_with_precip":8.7,"days_with_snow":0,"days_freezing":0,"days_90f_plus":12.1,"humidity_pct":null,"wind_speed_mph":null,"clear_sky_pct":null,"overcast_pct":null},{"month":"August","month_number":8,"avg_temp_f":65.9,"avg_high_f":84.1,"avg_low_f":47.7,"precip_in":0.93,"snow_in":0,"heating_degree_days":59.4,"cooling_degree_days":87.3,"days_with_precip":6.9,"days_with_snow":0,"days_freezing":0.1,"days_90f_plus":10.2,"humidity_pct":null,"wind_speed_mph":null,"clear_sky_pct":null,"overcast_pct":null},{"month":"September","month_number":9,"avg_temp_f":56.7,"avg_high_f":74.2,"avg_low_f":39.2,"precip_in":1.36,"snow_in":0.2,"heating_degree_days":259.3,"cooling_degree_days":10.3,"days_with_precip":6.4,"days_with_snow":0.1,"days_freezing":3.2,"days_90f_plus":2.3,"humidity_pct":null,"wind_speed_mph":null,"clear_sky_pct":null,"overcast_pct":null},{"month":"October","month_number":10,"avg_temp_f":44.7,"avg_high_f":60,"avg_low_f":29.4,"precip_in":1.49,"snow_in":3.8,"heating_degree_days":629.3,"cooling_degree_days":0.1,"days_with_precip":7.4,"days_with_snow":1.6,"days_freezing":16.4,"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":32.6,"avg_high_f":46.4,"avg_low_f":18.8,"precip_in":0.69,"snow_in":5.9,"heating_degree_days":972,"cooling_degree_days":0,"days_with_precip":5.1,"days_with_snow":2.6,"days_freezing":26.4,"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":36.6,"avg_low_f":10.7,"precip_in":0.65,"snow_in":9.2,"heating_degree_days":1281.7,"cooling_degree_days":0,"days_with_precip":5.9,"days_with_snow":5,"days_freezing":30,"days_90f_plus":0,"humidity_pct":null,"wind_speed_mph":null,"clear_sky_pct":null,"overcast_pct":null}]}