{"metadata":{"title":"Port of Morgan, MT Monthly Climate Normals","page_url":"https://plainclimate.com/city/port-of-morgan-mt","primary_station_id":"USC00246672","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, \"Port of Morgan, MT Climate Normals\". https://plainclimate.com/city/port-of-morgan-mt","row_count":12},"annual_summary":{"city_slug":"port-of-morgan-mt","ann_tavg":41.6,"ann_tmax":53.7,"ann_tmin":29.4,"ann_prcp":12.61,"ann_snow":22.9,"ann_htdd":8837.5,"ann_cldd":338.8,"frost_first":"09/22","frost_last":"05/19","growing_season":126,"warmest_month":7,"coldest_month":1,"wettest_month":6,"driest_month":2,"snowiest_month":3,"comfort_score":39},"data":[{"month":"January","month_number":1,"avg_temp_f":13.5,"avg_high_f":22.7,"avg_low_f":4.4,"precip_in":0.46,"snow_in":3.5,"heating_degree_days":1594.8,"cooling_degree_days":0,"days_with_precip":3.7,"days_with_snow":3.7,"days_freezing":30.5,"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":17.7,"avg_high_f":27.6,"avg_low_f":7.8,"precip_in":0.19,"snow_in":3,"heating_degree_days":1324.3,"cooling_degree_days":0,"days_with_precip":3.5,"days_with_snow":3.1,"days_freezing":27.4,"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":29.3,"avg_high_f":40.3,"avg_low_f":18.2,"precip_in":0.25,"snow_in":4.6,"heating_degree_days":1108.2,"cooling_degree_days":0,"days_with_precip":3.3,"days_with_snow":2.5,"days_freezing":28.2,"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":42.9,"avg_high_f":55.9,"avg_low_f":29.9,"precip_in":0.9,"snow_in":1.4,"heating_degree_days":663.4,"cooling_degree_days":0.3,"days_with_precip":5.3,"days_with_snow":1,"days_freezing":18.1,"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":53.1,"avg_high_f":66.8,"avg_low_f":39.4,"precip_in":1.83,"snow_in":0.6,"heating_degree_days":374.7,"cooling_degree_days":5.8,"days_with_precip":8.5,"days_with_snow":0.2,"days_freezing":6.8,"days_90f_plus":0,"humidity_pct":null,"wind_speed_mph":null,"clear_sky_pct":null,"overcast_pct":null},{"month":"June","month_number":6,"avg_temp_f":61.2,"avg_high_f":74,"avg_low_f":48.3,"precip_in":3.01,"snow_in":0,"heating_degree_days":148.6,"cooling_degree_days":33.1,"days_with_precip":11.5,"days_with_snow":0,"days_freezing":0.1,"days_90f_plus":0.9,"humidity_pct":null,"wind_speed_mph":null,"clear_sky_pct":null,"overcast_pct":null},{"month":"July","month_number":7,"avg_temp_f":68.4,"avg_high_f":83,"avg_low_f":53.8,"precip_in":1.82,"snow_in":0,"heating_degree_days":36.1,"cooling_degree_days":141.4,"days_with_precip":7.4,"days_with_snow":0,"days_freezing":0,"days_90f_plus":6.7,"humidity_pct":null,"wind_speed_mph":null,"clear_sky_pct":null,"overcast_pct":null},{"month":"August","month_number":8,"avg_temp_f":67.5,"avg_high_f":82.7,"avg_low_f":52.2,"precip_in":1.29,"snow_in":0,"heating_degree_days":58.2,"cooling_degree_days":134,"days_with_precip":6.3,"days_with_snow":0,"days_freezing":0,"days_90f_plus":6.8,"humidity_pct":null,"wind_speed_mph":null,"clear_sky_pct":null,"overcast_pct":null},{"month":"September","month_number":9,"avg_temp_f":57,"avg_high_f":71.5,"avg_low_f":42.6,"precip_in":1.28,"snow_in":0.3,"heating_degree_days":261.8,"cooling_degree_days":23.3,"days_with_precip":5.8,"days_with_snow":0.1,"days_freezing":2.8,"days_90f_plus":1.2,"humidity_pct":null,"wind_speed_mph":null,"clear_sky_pct":null,"overcast_pct":null},{"month":"October","month_number":10,"avg_temp_f":43.2,"avg_high_f":55.8,"avg_low_f":30.7,"precip_in":0.77,"snow_in":1.8,"heating_degree_days":675.2,"cooling_degree_days":0.9,"days_with_precip":4.6,"days_with_snow":0.9,"days_freezing":17.5,"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":28.4,"avg_high_f":38.4,"avg_low_f":18.5,"precip_in":0.44,"snow_in":3.6,"heating_degree_days":1096.5,"cooling_degree_days":0,"days_with_precip":3.8,"days_with_snow":2,"days_freezing":27.1,"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":16.7,"avg_high_f":25.9,"avg_low_f":7.6,"precip_in":0.37,"snow_in":4.1,"heating_degree_days":1495.6,"cooling_degree_days":0,"days_with_precip":3.7,"days_with_snow":2.9,"days_freezing":30.6,"days_90f_plus":0,"humidity_pct":null,"wind_speed_mph":null,"clear_sky_pct":null,"overcast_pct":null}]}