{"metadata":{"title":"Williams, AZ Monthly Climate Normals","page_url":"https://plainclimate.com/city/williams-az","primary_station_id":"USW00053155","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, \"Williams, AZ Climate Normals\". https://plainclimate.com/city/williams-az","row_count":12},"annual_summary":{"city_slug":"williams-az","ann_tavg":51.9,"ann_tmax":66,"ann_tmin":37.7,"ann_prcp":11.97,"ann_snow":null,"ann_htdd":5333.5,"ann_cldd":567.3,"frost_first":"10/19","frost_last":"05/09","growing_season":163,"warmest_month":7,"coldest_month":12,"wettest_month":8,"driest_month":6,"snowiest_month":null,"comfort_score":52},"data":[{"month":"January","month_number":1,"avg_temp_f":33.9,"avg_high_f":45,"avg_low_f":22.9,"precip_in":1.1,"snow_in":null,"heating_degree_days":962.6,"cooling_degree_days":0,"days_with_precip":5.8,"days_with_snow":null,"days_freezing":28.9,"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":36.7,"avg_high_f":48.6,"avg_low_f":24.8,"precip_in":1.12,"snow_in":null,"heating_degree_days":792.3,"cooling_degree_days":0,"days_with_precip":6.1,"days_with_snow":null,"days_freezing":24.7,"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":43.2,"avg_high_f":57.6,"avg_low_f":28.9,"precip_in":0.96,"snow_in":null,"heating_degree_days":674.3,"cooling_degree_days":0,"days_with_precip":3.9,"days_with_snow":null,"days_freezing":21.1,"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":48.9,"avg_high_f":64.1,"avg_low_f":33.6,"precip_in":0.51,"snow_in":null,"heating_degree_days":484.6,"cooling_degree_days":0.2,"days_with_precip":3.1,"days_with_snow":null,"days_freezing":12.2,"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":57,"avg_high_f":73,"avg_low_f":41,"precip_in":0.57,"snow_in":null,"heating_degree_days":260.8,"cooling_degree_days":12.9,"days_with_precip":4,"days_with_snow":null,"days_freezing":3.2,"days_90f_plus":0.1,"humidity_pct":null,"wind_speed_mph":null,"clear_sky_pct":null,"overcast_pct":null},{"month":"June","month_number":6,"avg_temp_f":67.2,"avg_high_f":84.8,"avg_low_f":49.6,"precip_in":0.25,"snow_in":null,"heating_degree_days":40.3,"cooling_degree_days":106.2,"days_with_precip":1.2,"days_with_snow":null,"days_freezing":0.1,"days_90f_plus":9.6,"humidity_pct":null,"wind_speed_mph":null,"clear_sky_pct":null,"overcast_pct":null},{"month":"July","month_number":7,"avg_temp_f":72.4,"avg_high_f":87.6,"avg_low_f":57.2,"precip_in":1.95,"snow_in":null,"heating_degree_days":0.7,"cooling_degree_days":230,"days_with_precip":9.6,"days_with_snow":null,"days_freezing":0,"days_90f_plus":12.2,"humidity_pct":null,"wind_speed_mph":null,"clear_sky_pct":null,"overcast_pct":null},{"month":"August","month_number":8,"avg_temp_f":70.4,"avg_high_f":85,"avg_low_f":55.8,"precip_in":2.02,"snow_in":null,"heating_degree_days":5.5,"cooling_degree_days":172.9,"days_with_precip":8.4,"days_with_snow":null,"days_freezing":0,"days_90f_plus":7.2,"humidity_pct":null,"wind_speed_mph":null,"clear_sky_pct":null,"overcast_pct":null},{"month":"September","month_number":9,"avg_temp_f":63.9,"avg_high_f":78.9,"avg_low_f":48.8,"precip_in":1.24,"snow_in":null,"heating_degree_days":79,"cooling_degree_days":44.4,"days_with_precip":5,"days_with_snow":null,"days_freezing":0.2,"days_90f_plus":1.1,"humidity_pct":null,"wind_speed_mph":null,"clear_sky_pct":null,"overcast_pct":null},{"month":"October","month_number":10,"avg_temp_f":53.3,"avg_high_f":67.9,"avg_low_f":38.7,"precip_in":1.02,"snow_in":null,"heating_degree_days":363.5,"cooling_degree_days":0.8,"days_with_precip":3.8,"days_with_snow":null,"days_freezing":5.6,"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":42.4,"avg_high_f":55.8,"avg_low_f":29,"precip_in":0.58,"snow_in":null,"heating_degree_days":678,"cooling_degree_days":0,"days_with_precip":3.2,"days_with_snow":null,"days_freezing":20.1,"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":33,"avg_high_f":44.1,"avg_low_f":21.9,"precip_in":0.65,"snow_in":null,"heating_degree_days":991.7,"cooling_degree_days":0,"days_with_precip":6.1,"days_with_snow":null,"days_freezing":28.5,"days_90f_plus":0,"humidity_pct":null,"wind_speed_mph":null,"clear_sky_pct":null,"overcast_pct":null}]}