{"metadata":{"title":"Ann Arbor U of Mich, MI Monthly Climate Normals","page_url":"https://plainclimate.com/city/ann-arbor-u-of-mich-mi","primary_station_id":"USC00200230","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, \"Ann Arbor U of Mich, MI Climate Normals\". https://plainclimate.com/city/ann-arbor-u-of-mich-mi","row_count":12},"annual_summary":{"city_slug":"ann-arbor-u-of-mich-mi","ann_tavg":48.8,"ann_tmax":59.3,"ann_tmin":38.4,"ann_prcp":38.26,"ann_snow":61.4,"ann_htdd":6500.6,"ann_cldd":653.1,"frost_first":"10/13","frost_last":"05/03","growing_season":163,"warmest_month":7,"coldest_month":1,"wettest_month":6,"driest_month":2,"snowiest_month":1,"comfort_score":54},"data":[{"month":"January","month_number":1,"avg_temp_f":24,"avg_high_f":31.9,"avg_low_f":16.2,"precip_in":2.96,"snow_in":18.3,"heating_degree_days":1269.3,"cooling_degree_days":0,"days_with_precip":18.3,"days_with_snow":15.2,"days_freezing":28,"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":26.5,"avg_high_f":35.4,"avg_low_f":17.7,"precip_in":2.51,"snow_in":15.3,"heating_degree_days":1076.5,"cooling_degree_days":0,"days_with_precip":14.4,"days_with_snow":12.1,"days_freezing":25.3,"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":35.7,"avg_high_f":46.2,"avg_low_f":25.2,"precip_in":2.82,"snow_in":8.3,"heating_degree_days":908.7,"cooling_degree_days":0.5,"days_with_precip":14.3,"days_with_snow":7.5,"days_freezing":22.1,"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":47.6,"avg_high_f":59.7,"avg_low_f":35.5,"precip_in":3.44,"snow_in":2.6,"heating_degree_days":525.7,"cooling_degree_days":3.7,"days_with_precip":14.4,"days_with_snow":2.8,"days_freezing":8.8,"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":59,"avg_high_f":71.4,"avg_low_f":46.6,"precip_in":3.84,"snow_in":0,"heating_degree_days":226.3,"cooling_degree_days":40.3,"days_with_precip":14.7,"days_with_snow":0.1,"days_freezing":0.5,"days_90f_plus":0.3,"humidity_pct":null,"wind_speed_mph":null,"clear_sky_pct":null,"overcast_pct":null},{"month":"June","month_number":6,"avg_temp_f":68,"avg_high_f":80.1,"avg_low_f":55.9,"precip_in":3.91,"snow_in":0,"heating_degree_days":43.7,"cooling_degree_days":133.7,"days_with_precip":12.4,"days_with_snow":0,"days_freezing":0,"days_90f_plus":2.8,"humidity_pct":null,"wind_speed_mph":null,"clear_sky_pct":null,"overcast_pct":null},{"month":"July","month_number":7,"avg_temp_f":71.9,"avg_high_f":83.7,"avg_low_f":60.1,"precip_in":3.52,"snow_in":0,"heating_degree_days":7.8,"cooling_degree_days":221.6,"days_with_precip":11.7,"days_with_snow":0,"days_freezing":0,"days_90f_plus":5.8,"humidity_pct":null,"wind_speed_mph":null,"clear_sky_pct":null,"overcast_pct":null},{"month":"August","month_number":8,"avg_temp_f":70.3,"avg_high_f":81.7,"avg_low_f":58.8,"precip_in":3.52,"snow_in":0,"heating_degree_days":15.3,"cooling_degree_days":178,"days_with_precip":11.2,"days_with_snow":0,"days_freezing":0,"days_90f_plus":2.3,"humidity_pct":null,"wind_speed_mph":null,"clear_sky_pct":null,"overcast_pct":null},{"month":"September","month_number":9,"avg_temp_f":63.3,"avg_high_f":75.1,"avg_low_f":51.6,"precip_in":3.18,"snow_in":0,"heating_degree_days":118.3,"cooling_degree_days":68.8,"days_with_precip":10.6,"days_with_snow":0,"days_freezing":0.1,"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":51.4,"avg_high_f":62.2,"avg_low_f":40.7,"precip_in":2.99,"snow_in":0.1,"heating_degree_days":426.6,"cooling_degree_days":6.6,"days_with_precip":13.3,"days_with_snow":0.4,"days_freezing":3.7,"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":39.2,"avg_high_f":48,"avg_low_f":30.5,"precip_in":2.82,"snow_in":4.1,"heating_degree_days":772.5,"cooling_degree_days":0,"days_with_precip":13.5,"days_with_snow":4.9,"days_freezing":15.7,"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":29.2,"avg_high_f":36.3,"avg_low_f":22.1,"precip_in":2.75,"snow_in":12.7,"heating_degree_days":1109.7,"cooling_degree_days":0,"days_with_precip":16.9,"days_with_snow":11.5,"days_freezing":25.9,"days_90f_plus":0,"humidity_pct":null,"wind_speed_mph":null,"clear_sky_pct":null,"overcast_pct":null}]}