{"metadata":{"title":"Dutch Harbor, AK Monthly Climate Normals","page_url":"https://plainclimate.com/city/dutch-harbor-ak","primary_station_id":"USC00502587","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, \"Dutch Harbor, AK Climate Normals\". https://plainclimate.com/city/dutch-harbor-ak","row_count":12},"annual_summary":{"city_slug":"dutch-harbor-ak","ann_tavg":41.6,"ann_tmax":46.5,"ann_tmin":36.7,"ann_prcp":60.13,"ann_snow":81.6,"ann_htdd":8526.3,"ann_cldd":0.9,"frost_first":"10/18","frost_last":"05/06","growing_season":165,"warmest_month":8,"coldest_month":1,"wettest_month":10,"driest_month":7,"snowiest_month":1,"comfort_score":24},"data":[{"month":"January","month_number":1,"avg_temp_f":33,"avg_high_f":37.3,"avg_low_f":28.7,"precip_in":6.79,"snow_in":22,"heating_degree_days":992,"cooling_degree_days":0,"days_with_precip":22,"days_with_snow":10.1,"days_freezing":21.1,"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":34,"avg_high_f":38.6,"avg_low_f":29.4,"precip_in":5.18,"snow_in":14.2,"heating_degree_days":868,"cooling_degree_days":0,"days_with_precip":19.4,"days_with_snow":8.1,"days_freezing":17.5,"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":34.1,"avg_high_f":38.9,"avg_low_f":29.2,"precip_in":4.65,"snow_in":16.5,"heating_degree_days":959.4,"cooling_degree_days":0,"days_with_precip":19.2,"days_with_snow":8.5,"days_freezing":21.5,"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":37.1,"avg_high_f":41.8,"avg_low_f":32.5,"precip_in":3.47,"snow_in":6.3,"heating_degree_days":835.5,"cooling_degree_days":0,"days_with_precip":18,"days_with_snow":3.8,"days_freezing":13.7,"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":42,"avg_high_f":46.7,"avg_low_f":37.4,"precip_in":4.2,"snow_in":0.2,"heating_degree_days":711.5,"cooling_degree_days":0,"days_with_precip":18.1,"days_with_snow":0.2,"days_freezing":3.3,"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":47.3,"avg_high_f":52.3,"avg_low_f":42.4,"precip_in":2.52,"snow_in":0,"heating_degree_days":529.5,"cooling_degree_days":0,"days_with_precip":14.7,"days_with_snow":0,"days_freezing":0.1,"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":52,"avg_high_f":57.4,"avg_low_f":46.6,"precip_in":2.3,"snow_in":0,"heating_degree_days":403.1,"cooling_degree_days":0.1,"days_with_precip":13.6,"days_with_snow":0,"days_freezing":0,"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":53.7,"avg_high_f":59.3,"avg_low_f":48.1,"precip_in":2.86,"snow_in":0,"heating_degree_days":351.1,"cooling_degree_days":0.7,"days_with_precip":15.1,"days_with_snow":0,"days_freezing":0.1,"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":49.4,"avg_high_f":54.6,"avg_low_f":44.2,"precip_in":5.73,"snow_in":0,"heating_degree_days":468,"cooling_degree_days":0,"days_with_precip":20.1,"days_with_snow":0,"days_freezing":0.7,"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":43.2,"avg_high_f":48.1,"avg_low_f":38.4,"precip_in":7.89,"snow_in":0.4,"heating_degree_days":674.2,"cooling_degree_days":0,"days_with_precip":24.9,"days_with_snow":0.4,"days_freezing":3.8,"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":38.2,"avg_high_f":43.3,"avg_low_f":33.2,"precip_in":6.66,"snow_in":6.2,"heating_degree_days":802.5,"cooling_degree_days":0,"days_with_precip":22.5,"days_with_snow":4.1,"days_freezing":11.9,"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":35,"avg_high_f":39.3,"avg_low_f":30.6,"precip_in":7.88,"snow_in":15.8,"heating_degree_days":931.5,"cooling_degree_days":0,"days_with_precip":23.1,"days_with_snow":9.3,"days_freezing":18.8,"days_90f_plus":0,"humidity_pct":null,"wind_speed_mph":null,"clear_sky_pct":null,"overcast_pct":null}]}