{"metadata":{"title":"Silverton, CO Monthly Climate Normals","page_url":"https://plainclimate.com/city/silverton-co","primary_station_id":"USC00057656","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, \"Silverton, CO Climate Normals\". https://plainclimate.com/city/silverton-co","row_count":12},"annual_summary":{"city_slug":"silverton-co","ann_tavg":34.7,"ann_tmax":52.8,"ann_tmin":16.5,"ann_prcp":23.92,"ann_snow":172.6,"ann_htdd":11035,"ann_cldd":0,"frost_first":"-9999.0","frost_last":"-9999.0","growing_season":null,"warmest_month":7,"coldest_month":1,"wettest_month":8,"driest_month":6,"snowiest_month":1,"comfort_score":47},"data":[{"month":"January","month_number":1,"avg_temp_f":14.3,"avg_high_f":34.4,"avg_low_f":-5.9,"precip_in":2.04,"snow_in":30.8,"heating_degree_days":1573.2,"cooling_degree_days":0,"days_with_precip":9.2,"days_with_snow":10.4,"days_freezing":31,"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":16.7,"avg_high_f":36.3,"avg_low_f":-2.8,"precip_in":2.1,"snow_in":28.5,"heating_degree_days":1351,"cooling_degree_days":0,"days_with_precip":10.1,"days_with_snow":10.5,"days_freezing":28,"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":24.4,"avg_high_f":42.7,"avg_low_f":6.1,"precip_in":2.05,"snow_in":29.4,"heating_degree_days":1258.6,"cooling_degree_days":0,"days_with_precip":9.5,"days_with_snow":10.6,"days_freezing":31,"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":32.6,"avg_high_f":48.2,"avg_low_f":17,"precip_in":1.74,"snow_in":18.2,"heating_degree_days":971.9,"cooling_degree_days":0,"days_with_precip":9.2,"days_with_snow":9.2,"days_freezing":29.7,"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":41.9,"avg_high_f":58.4,"avg_low_f":25.4,"precip_in":1.68,"snow_in":8.2,"heating_degree_days":716.1,"cooling_degree_days":0,"days_with_precip":9.5,"days_with_snow":4,"days_freezing":26.7,"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":50.5,"avg_high_f":70,"avg_low_f":31,"precip_in":0.93,"snow_in":0.4,"heating_degree_days":435,"cooling_degree_days":0,"days_with_precip":6,"days_with_snow":0.4,"days_freezing":13.8,"days_90f_plus":0,"humidity_pct":null,"wind_speed_mph":null,"clear_sky_pct":null,"overcast_pct":null},{"month":"July","month_number":7,"avg_temp_f":56.5,"avg_high_f":74.7,"avg_low_f":38.3,"precip_in":2.38,"snow_in":0,"heating_degree_days":263.6,"cooling_degree_days":0,"days_with_precip":13.1,"days_with_snow":0,"days_freezing":1.5,"days_90f_plus":0,"humidity_pct":null,"wind_speed_mph":null,"clear_sky_pct":null,"overcast_pct":null},{"month":"August","month_number":8,"avg_temp_f":54.4,"avg_high_f":71.9,"avg_low_f":37,"precip_in":2.83,"snow_in":0,"heating_degree_days":327.1,"cooling_degree_days":0,"days_with_precip":15.5,"days_with_snow":0,"days_freezing":2.5,"days_90f_plus":0,"humidity_pct":null,"wind_speed_mph":null,"clear_sky_pct":null,"overcast_pct":null},{"month":"September","month_number":9,"avg_temp_f":47.7,"avg_high_f":65.6,"avg_low_f":29.7,"precip_in":2.75,"snow_in":0.5,"heating_degree_days":520.5,"cooling_degree_days":0,"days_with_precip":10.9,"days_with_snow":0.5,"days_freezing":17.7,"days_90f_plus":0,"humidity_pct":null,"wind_speed_mph":null,"clear_sky_pct":null,"overcast_pct":null},{"month":"October","month_number":10,"avg_temp_f":37.6,"avg_high_f":55,"avg_low_f":20.1,"precip_in":2.13,"snow_in":7.7,"heating_degree_days":851,"cooling_degree_days":0,"days_with_precip":9.1,"days_with_snow":4.2,"days_freezing":29,"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":25,"avg_high_f":43,"avg_low_f":7,"precip_in":1.66,"snow_in":21.5,"heating_degree_days":1200,"cooling_degree_days":0,"days_with_precip":7.9,"days_with_snow":7.8,"days_freezing":29.8,"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":14.4,"avg_high_f":33.5,"avg_low_f":-4.6,"precip_in":1.63,"snow_in":27.4,"heating_degree_days":1566.9,"cooling_degree_days":0,"days_with_precip":8.5,"days_with_snow":9.9,"days_freezing":31,"days_90f_plus":0,"humidity_pct":null,"wind_speed_mph":null,"clear_sky_pct":null,"overcast_pct":null}]}