{"metadata":{"title":"Porthill, ID Monthly Climate Normals","page_url":"https://plainclimate.com/city/porthill-id","primary_station_id":"USC00107264","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, \"Porthill, ID Climate Normals\". https://plainclimate.com/city/porthill-id","row_count":12},"annual_summary":{"city_slug":"porthill-id","ann_tavg":47.3,"ann_tmax":59.6,"ann_tmin":35,"ann_prcp":21.49,"ann_snow":null,"ann_htdd":6757.1,"ann_cldd":333.2,"frost_first":"09/30","frost_last":"05/04","growing_season":149,"warmest_month":7,"coldest_month":1,"wettest_month":12,"driest_month":8,"snowiest_month":null,"comfort_score":64},"data":[{"month":"January","month_number":1,"avg_temp_f":28.2,"avg_high_f":35.5,"avg_low_f":20.9,"precip_in":2.16,"snow_in":null,"heating_degree_days":1140.8,"cooling_degree_days":0,"days_with_precip":11.4,"days_with_snow":null,"days_freezing":29.1,"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":31.1,"avg_high_f":40.2,"avg_low_f":21.9,"precip_in":1.7,"snow_in":null,"heating_degree_days":950.6,"cooling_degree_days":0,"days_with_precip":8.5,"days_with_snow":null,"days_freezing":25.8,"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":38.8,"avg_high_f":50,"avg_low_f":27.7,"precip_in":1.91,"snow_in":null,"heating_degree_days":810.7,"cooling_degree_days":0,"days_with_precip":9.8,"days_with_snow":null,"days_freezing":24.9,"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":47.1,"avg_high_f":60.4,"avg_low_f":33.8,"precip_in":1.65,"snow_in":null,"heating_degree_days":537,"cooling_degree_days":0,"days_with_precip":9.5,"days_with_snow":null,"days_freezing":12.4,"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":56.4,"avg_high_f":70.7,"avg_low_f":42,"precip_in":2.19,"snow_in":null,"heating_degree_days":277.8,"cooling_degree_days":9.6,"days_with_precip":9.9,"days_with_snow":null,"days_freezing":1.7,"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":61.9,"avg_high_f":75.7,"avg_low_f":48.1,"precip_in":2.1,"snow_in":null,"heating_degree_days":131.5,"cooling_degree_days":38.5,"days_with_precip":10.5,"days_with_snow":null,"days_freezing":0.2,"days_90f_plus":1.2,"humidity_pct":null,"wind_speed_mph":null,"clear_sky_pct":null,"overcast_pct":null},{"month":"July","month_number":7,"avg_temp_f":68.8,"avg_high_f":85.5,"avg_low_f":52.1,"precip_in":1.24,"snow_in":null,"heating_degree_days":33.5,"cooling_degree_days":151.2,"days_with_precip":6.6,"days_with_snow":null,"days_freezing":0,"days_90f_plus":9,"humidity_pct":null,"wind_speed_mph":null,"clear_sky_pct":null,"overcast_pct":null},{"month":"August","month_number":8,"avg_temp_f":67.6,"avg_high_f":85.6,"avg_low_f":49.5,"precip_in":0.82,"snow_in":null,"heating_degree_days":41.8,"cooling_degree_days":120.8,"days_with_precip":4.2,"days_with_snow":null,"days_freezing":0.2,"days_90f_plus":8.2,"humidity_pct":null,"wind_speed_mph":null,"clear_sky_pct":null,"overcast_pct":null},{"month":"September","month_number":9,"avg_temp_f":58.1,"avg_high_f":74.1,"avg_low_f":42.1,"precip_in":1.06,"snow_in":null,"heating_degree_days":220.1,"cooling_degree_days":13.1,"days_with_precip":5.7,"days_with_snow":null,"days_freezing":1.8,"days_90f_plus":0.8,"humidity_pct":null,"wind_speed_mph":null,"clear_sky_pct":null,"overcast_pct":null},{"month":"October","month_number":10,"avg_temp_f":45.7,"avg_high_f":58.2,"avg_low_f":33.1,"precip_in":1.8,"snow_in":null,"heating_degree_days":599.8,"cooling_degree_days":0,"days_with_precip":9.1,"days_with_snow":null,"days_freezing":14.7,"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":35.7,"avg_high_f":44.1,"avg_low_f":27.4,"precip_in":2.41,"snow_in":null,"heating_degree_days":877.5,"cooling_degree_days":0,"days_with_precip":12.3,"days_with_snow":null,"days_freezing":22.2,"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":28.4,"avg_high_f":35.5,"avg_low_f":21.2,"precip_in":2.45,"snow_in":null,"heating_degree_days":1136.1,"cooling_degree_days":0,"days_with_precip":11.5,"days_with_snow":null,"days_freezing":28.4,"days_90f_plus":0,"humidity_pct":null,"wind_speed_mph":null,"clear_sky_pct":null,"overcast_pct":null}]}