{"metadata":{"title":"St Marie, MT Monthly Climate Normals","page_url":"https://plainclimate.com/city/st-marie-mt","primary_station_id":"USW00094010","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, \"St Marie, MT Climate Normals\". https://plainclimate.com/city/st-marie-mt","row_count":12},"annual_summary":{"city_slug":"st-marie-mt","ann_tavg":43,"ann_tmax":54.6,"ann_tmin":31.5,"ann_prcp":11.77,"ann_snow":null,"ann_htdd":8451.8,"ann_cldd":486.5,"frost_first":"09/27","frost_last":"05/13","growing_season":137,"warmest_month":7,"coldest_month":1,"wettest_month":6,"driest_month":12,"snowiest_month":null,"comfort_score":40},"data":[{"month":"January","month_number":1,"avg_temp_f":15,"avg_high_f":24.3,"avg_low_f":5.7,"precip_in":0.25,"snow_in":null,"heating_degree_days":1549.9,"cooling_degree_days":0,"days_with_precip":3.4,"days_with_snow":null,"days_freezing":30.4,"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":18.3,"avg_high_f":27.9,"avg_low_f":8.7,"precip_in":0.2,"snow_in":null,"heating_degree_days":1307.5,"cooling_degree_days":0,"days_with_precip":2.9,"days_with_snow":null,"days_freezing":27.5,"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":30.6,"avg_high_f":41.4,"avg_low_f":19.7,"precip_in":0.23,"snow_in":null,"heating_degree_days":1068,"cooling_degree_days":0,"days_with_precip":3.1,"days_with_snow":null,"days_freezing":27.2,"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":43.5,"avg_high_f":56.1,"avg_low_f":30.8,"precip_in":0.82,"snow_in":null,"heating_degree_days":646.9,"cooling_degree_days":0.3,"days_with_precip":5.5,"days_with_snow":null,"days_freezing":16.5,"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":53.8,"avg_high_f":66.5,"avg_low_f":41.1,"precip_in":1.94,"snow_in":null,"heating_degree_days":355.3,"cooling_degree_days":8,"days_with_precip":8.8,"days_with_snow":null,"days_freezing":5.1,"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":62.7,"avg_high_f":74.7,"avg_low_f":50.7,"precip_in":3.08,"snow_in":null,"heating_degree_days":121.8,"cooling_degree_days":52.8,"days_with_precip":11.4,"days_with_snow":null,"days_freezing":0.1,"days_90f_plus":1.1,"humidity_pct":null,"wind_speed_mph":null,"clear_sky_pct":null,"overcast_pct":null},{"month":"July","month_number":7,"avg_temp_f":70.6,"avg_high_f":84.5,"avg_low_f":56.8,"precip_in":1.57,"snow_in":null,"heating_degree_days":18.9,"cooling_degree_days":193.9,"days_with_precip":7.4,"days_with_snow":null,"days_freezing":0,"days_90f_plus":9.1,"humidity_pct":null,"wind_speed_mph":null,"clear_sky_pct":null,"overcast_pct":null},{"month":"August","month_number":8,"avg_temp_f":69.8,"avg_high_f":83.9,"avg_low_f":55.7,"precip_in":1.32,"snow_in":null,"heating_degree_days":35.2,"cooling_degree_days":183.9,"days_with_precip":6.3,"days_with_snow":null,"days_freezing":0,"days_90f_plus":8.4,"humidity_pct":null,"wind_speed_mph":null,"clear_sky_pct":null,"overcast_pct":null},{"month":"September","month_number":9,"avg_temp_f":59.3,"avg_high_f":72.8,"avg_low_f":45.9,"precip_in":0.99,"snow_in":null,"heating_degree_days":214.8,"cooling_degree_days":45.2,"days_with_precip":5.7,"days_with_snow":null,"days_freezing":1.3,"days_90f_plus":1.8,"humidity_pct":null,"wind_speed_mph":null,"clear_sky_pct":null,"overcast_pct":null},{"month":"October","month_number":10,"avg_temp_f":44.8,"avg_high_f":56.5,"avg_low_f":33,"precip_in":0.95,"snow_in":null,"heating_degree_days":629.9,"cooling_degree_days":2.2,"days_with_precip":5.6,"days_with_snow":null,"days_freezing":14.3,"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":29.8,"avg_high_f":39.3,"avg_low_f":20.3,"precip_in":0.26,"snow_in":null,"heating_degree_days":1056,"cooling_degree_days":0,"days_with_precip":3.3,"days_with_snow":null,"days_freezing":25.6,"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":18.3,"avg_high_f":27.2,"avg_low_f":9.4,"precip_in":0.16,"snow_in":null,"heating_degree_days":1447.5,"cooling_degree_days":0,"days_with_precip":3.4,"days_with_snow":null,"days_freezing":30.6,"days_90f_plus":0,"humidity_pct":null,"wind_speed_mph":null,"clear_sky_pct":null,"overcast_pct":null}]}