{"metadata":{"title":"Cooper Landing, AK Monthly Climate Normals","page_url":"https://plainclimate.com/city/cooper-landing-ak","primary_station_id":"USC00502149","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, \"Cooper Landing, AK Climate Normals\". https://plainclimate.com/city/cooper-landing-ak","row_count":12},"annual_summary":{"city_slug":"cooper-landing-ak","ann_tavg":36.7,"ann_tmax":46.8,"ann_tmin":26.6,"ann_prcp":null,"ann_snow":null,"ann_htdd":10295.3,"ann_cldd":6.2,"frost_first":"09/01","frost_last":"06/12","growing_season":81,"warmest_month":7,"coldest_month":1,"wettest_month":1,"driest_month":null,"snowiest_month":null,"comfort_score":null},"data":[{"month":"January","month_number":1,"avg_temp_f":16.5,"avg_high_f":24.4,"avg_low_f":8.6,"precip_in":null,"snow_in":null,"heating_degree_days":1503.4,"cooling_degree_days":0,"days_with_precip":null,"days_with_snow":null,"days_freezing":28.6,"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":22.5,"avg_high_f":31.3,"avg_low_f":13.6,"precip_in":null,"snow_in":null,"heating_degree_days":1191.5,"cooling_degree_days":0,"days_with_precip":null,"days_with_snow":null,"days_freezing":25.1,"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":25.6,"avg_high_f":36.8,"avg_low_f":14.4,"precip_in":null,"snow_in":null,"heating_degree_days":1221.3,"cooling_degree_days":0,"days_with_precip":null,"days_with_snow":null,"days_freezing":28.6,"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":47.8,"avg_low_f":26.4,"precip_in":null,"snow_in":null,"heating_degree_days":837.1,"cooling_degree_days":0,"days_with_precip":null,"days_with_snow":null,"days_freezing":23.8,"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":46.1,"avg_high_f":59.3,"avg_low_f":33,"precip_in":null,"snow_in":null,"heating_degree_days":584.4,"cooling_degree_days":0,"days_with_precip":null,"days_with_snow":null,"days_freezing":17.8,"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":53.7,"avg_high_f":66.9,"avg_low_f":40.5,"precip_in":null,"snow_in":null,"heating_degree_days":340,"cooling_degree_days":1,"days_with_precip":null,"days_with_snow":null,"days_freezing":3.7,"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":57.9,"avg_high_f":69.4,"avg_low_f":46.5,"precip_in":null,"snow_in":null,"heating_degree_days":222.4,"cooling_degree_days":3.8,"days_with_precip":null,"days_with_snow":null,"days_freezing":0,"days_90f_plus":0.1,"humidity_pct":null,"wind_speed_mph":null,"clear_sky_pct":null,"overcast_pct":null},{"month":"August","month_number":8,"avg_temp_f":55.5,"avg_high_f":66.7,"avg_low_f":44.3,"precip_in":null,"snow_in":null,"heating_degree_days":295.9,"cooling_degree_days":1.4,"days_with_precip":null,"days_with_snow":null,"days_freezing":2.4,"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":46.9,"avg_high_f":56.9,"avg_low_f":36.9,"precip_in":null,"snow_in":null,"heating_degree_days":543,"cooling_degree_days":0,"days_with_precip":null,"days_with_snow":null,"days_freezing":10.2,"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":35.3,"avg_high_f":43.8,"avg_low_f":26.9,"precip_in":null,"snow_in":null,"heating_degree_days":919.1,"cooling_degree_days":0,"days_with_precip":null,"days_with_snow":null,"days_freezing":21.9,"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":23.9,"avg_high_f":31.3,"avg_low_f":16.6,"precip_in":null,"snow_in":null,"heating_degree_days":1231.4,"cooling_degree_days":0,"days_with_precip":null,"days_with_snow":null,"days_freezing":27.3,"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":19.7,"avg_high_f":27.2,"avg_low_f":12.1,"precip_in":null,"snow_in":null,"heating_degree_days":1405.9,"cooling_degree_days":0,"days_with_precip":null,"days_with_snow":null,"days_freezing":29,"days_90f_plus":0,"humidity_pct":null,"wind_speed_mph":null,"clear_sky_pct":null,"overcast_pct":null}]}