{"metadata":{"title":"Leavenworth, WA Monthly Climate Normals","page_url":"https://plainclimate.com/city/leavenworth-wa","primary_station_id":"USC00454572","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, \"Leavenworth, WA Climate Normals\". https://plainclimate.com/city/leavenworth-wa","row_count":12},"annual_summary":{"city_slug":"leavenworth-wa","ann_tavg":47.3,"ann_tmax":60.7,"ann_tmin":33.9,"ann_prcp":25.69,"ann_snow":80.2,"ann_htdd":6806,"ann_cldd":381.4,"frost_first":"09/30","frost_last":"05/10","growing_season":143,"warmest_month":7,"coldest_month":1,"wettest_month":12,"driest_month":8,"snowiest_month":12,"comfort_score":54},"data":[{"month":"January","month_number":1,"avg_temp_f":26.4,"avg_high_f":33.5,"avg_low_f":19.4,"precip_in":4.12,"snow_in":22.1,"heating_degree_days":1195,"cooling_degree_days":0,"days_with_precip":14,"days_with_snow":8.7,"days_freezing":30,"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":31.7,"avg_high_f":42.4,"avg_low_f":21.1,"precip_in":2.9,"snow_in":12.6,"heating_degree_days":931,"cooling_degree_days":0,"days_with_precip":10.6,"days_with_snow":5.1,"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":39.2,"avg_high_f":52,"avg_low_f":26.3,"precip_in":2.46,"snow_in":4.7,"heating_degree_days":801.4,"cooling_degree_days":0,"days_with_precip":9.3,"days_with_snow":2.7,"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":46.7,"avg_high_f":61.3,"avg_low_f":32,"precip_in":1.22,"snow_in":0,"heating_degree_days":550.5,"cooling_degree_days":0.1,"days_with_precip":7,"days_with_snow":0,"days_freezing":12.3,"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":55.4,"avg_high_f":71,"avg_low_f":39.7,"precip_in":1.4,"snow_in":0,"heating_degree_days":308.7,"cooling_degree_days":9.5,"days_with_precip":6.7,"days_with_snow":0,"days_freezing":2,"days_90f_plus":1.4,"humidity_pct":null,"wind_speed_mph":null,"clear_sky_pct":null,"overcast_pct":null},{"month":"June","month_number":6,"avg_temp_f":61.5,"avg_high_f":77.2,"avg_low_f":45.8,"precip_in":1.04,"snow_in":0,"heating_degree_days":146,"cooling_degree_days":41,"days_with_precip":5.6,"days_with_snow":0,"days_freezing":0,"days_90f_plus":3.8,"humidity_pct":null,"wind_speed_mph":null,"clear_sky_pct":null,"overcast_pct":null},{"month":"July","month_number":7,"avg_temp_f":69,"avg_high_f":87,"avg_low_f":51,"precip_in":0.45,"snow_in":0,"heating_degree_days":34.7,"cooling_degree_days":158.6,"days_with_precip":2.8,"days_with_snow":0,"days_freezing":0,"days_90f_plus":14.4,"humidity_pct":null,"wind_speed_mph":null,"clear_sky_pct":null,"overcast_pct":null},{"month":"August","month_number":8,"avg_temp_f":68.6,"avg_high_f":86.9,"avg_low_f":50.3,"precip_in":0.37,"snow_in":0,"heating_degree_days":33.4,"cooling_degree_days":144.9,"days_with_precip":2.4,"days_with_snow":0,"days_freezing":0,"days_90f_plus":14.3,"humidity_pct":null,"wind_speed_mph":null,"clear_sky_pct":null,"overcast_pct":null},{"month":"September","month_number":9,"avg_temp_f":59.8,"avg_high_f":77.9,"avg_low_f":41.7,"precip_in":0.76,"snow_in":0,"heating_degree_days":183.1,"cooling_degree_days":27,"days_with_precip":4,"days_with_snow":0,"days_freezing":0.6,"days_90f_plus":4.8,"humidity_pct":null,"wind_speed_mph":null,"clear_sky_pct":null,"overcast_pct":null},{"month":"October","month_number":10,"avg_temp_f":47.6,"avg_high_f":62.1,"avg_low_f":33.1,"precip_in":2.37,"snow_in":0.3,"heating_degree_days":539.7,"cooling_degree_days":0.3,"days_with_precip":8.9,"days_with_snow":0.2,"days_freezing":11.7,"days_90f_plus":0.1,"humidity_pct":null,"wind_speed_mph":null,"clear_sky_pct":null,"overcast_pct":null},{"month":"November","month_number":11,"avg_temp_f":35,"avg_high_f":43.9,"avg_low_f":26.2,"precip_in":4.08,"snow_in":8.1,"heating_degree_days":898.5,"cooling_degree_days":0,"days_with_precip":13.7,"days_with_snow":3.3,"days_freezing":22.5,"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":26.8,"avg_high_f":33.6,"avg_low_f":20,"precip_in":4.52,"snow_in":32.4,"heating_degree_days":1184.1,"cooling_degree_days":0,"days_with_precip":14,"days_with_snow":8.9,"days_freezing":29.9,"days_90f_plus":0,"humidity_pct":null,"wind_speed_mph":null,"clear_sky_pct":null,"overcast_pct":null}]}