{"metadata":{"title":"Alpena County Rgnl, MI Monthly Climate Normals","page_url":"https://plainclimate.com/city/alpena-county-rgnl-mi","primary_station_id":"USW00094849","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, \"Alpena County Rgnl, MI Climate Normals\". https://plainclimate.com/city/alpena-county-rgnl-mi","row_count":12},"annual_summary":{"city_slug":"alpena-county-rgnl-mi","ann_tavg":44.3,"ann_tmax":54.8,"ann_tmin":33.9,"ann_prcp":29.67,"ann_snow":77.6,"ann_htdd":7844.4,"ann_cldd":352.5,"frost_first":"10/01","frost_last":"05/17","growing_season":137,"warmest_month":7,"coldest_month":1,"wettest_month":7,"driest_month":2,"snowiest_month":1,"comfort_score":44},"data":[{"month":"January","month_number":1,"avg_temp_f":20,"avg_high_f":28.1,"avg_low_f":11.9,"precip_in":1.81,"snow_in":19.3,"heating_degree_days":1394.8,"cooling_degree_days":0,"days_with_precip":15.6,"days_with_snow":15.1,"days_freezing":29.8,"days_90f_plus":0,"humidity_pct":76.29166666666667,"wind_speed_mph":7.783333333333334,"clear_sky_pct":21.647368421052633,"overcast_pct":58.352631578947374},{"month":"February","month_number":2,"avg_temp_f":20.7,"avg_high_f":30.2,"avg_low_f":11.2,"precip_in":1.52,"snow_in":17,"heating_degree_days":1240.2,"cooling_degree_days":0,"days_with_precip":11.8,"days_with_snow":12.5,"days_freezing":27.2,"days_90f_plus":0,"humidity_pct":73.91666666666667,"wind_speed_mph":8.0375,"clear_sky_pct":31.858333333333334,"overcast_pct":49.56666666666666},{"month":"March","month_number":3,"avg_temp_f":29.3,"avg_high_f":39.4,"avg_low_f":19.1,"precip_in":1.81,"snow_in":10.6,"heating_degree_days":1108.4,"cooling_degree_days":0.2,"days_with_precip":11,"days_with_snow":7.1,"days_freezing":28,"days_90f_plus":0,"humidity_pct":67.20833333333333,"wind_speed_mph":8.358333333333333,"clear_sky_pct":40.22083333333333,"overcast_pct":40.05416666666667},{"month":"April","month_number":4,"avg_temp_f":41.2,"avg_high_f":52.2,"avg_low_f":30.2,"precip_in":2.93,"snow_in":6.6,"heating_degree_days":715.1,"cooling_degree_days":1.1,"days_with_precip":11.5,"days_with_snow":3.2,"days_freezing":19.1,"days_90f_plus":0,"humidity_pct":61.833333333333336,"wind_speed_mph":8.112499999999999,"clear_sky_pct":49.05416666666667,"overcast_pct":30.2375},{"month":"May","month_number":5,"avg_temp_f":53.4,"avg_high_f":65.8,"avg_low_f":40.9,"precip_in":2.78,"snow_in":0.2,"heating_degree_days":376.7,"cooling_degree_days":15.4,"days_with_precip":11.7,"days_with_snow":0.2,"days_freezing":5,"days_90f_plus":0.3,"humidity_pct":67.83333333333333,"wind_speed_mph":6.908333333333334,"clear_sky_pct":50.612500000000004,"overcast_pct":23.775000000000002},{"month":"June","month_number":6,"avg_temp_f":63.2,"avg_high_f":75.9,"avg_low_f":50.4,"precip_in":2.74,"snow_in":0,"heating_degree_days":120.1,"cooling_degree_days":64.5,"days_with_precip":10.4,"days_with_snow":0,"days_freezing":0.1,"days_90f_plus":2,"humidity_pct":69.91666666666667,"wind_speed_mph":6.325,"clear_sky_pct":50.416666666666664,"overcast_pct":19.320833333333333},{"month":"July","month_number":7,"avg_temp_f":68.2,"avg_high_f":80.5,"avg_low_f":55.9,"precip_in":3.2,"snow_in":0,"heating_degree_days":33.6,"cooling_degree_days":132.6,"days_with_precip":10.9,"days_with_snow":0,"days_freezing":0,"days_90f_plus":2.9,"humidity_pct":72.83333333333333,"wind_speed_mph":5.879166666666666,"clear_sky_pct":48.95416666666667,"overcast_pct":15.137500000000001},{"month":"August","month_number":8,"avg_temp_f":66.6,"avg_high_f":78.8,"avg_low_f":54.5,"precip_in":3.09,"snow_in":0,"heating_degree_days":52.1,"cooling_degree_days":103.1,"days_with_precip":9.6,"days_with_snow":0,"days_freezing":0,"days_90f_plus":1.5,"humidity_pct":76.20833333333333,"wind_speed_mph":6.05,"clear_sky_pct":50.17083333333333,"overcast_pct":18.566666666666666},{"month":"September","month_number":9,"avg_temp_f":59,"avg_high_f":71,"avg_low_f":47,"precip_in":2.84,"snow_in":0,"heating_degree_days":212.5,"cooling_degree_days":32.4,"days_with_precip":11.2,"days_with_snow":0,"days_freezing":1,"days_90f_plus":0.5,"humidity_pct":76.75,"wind_speed_mph":6.933333333333334,"clear_sky_pct":41.7695652173913,"overcast_pct":30.982608695652175},{"month":"October","month_number":10,"avg_temp_f":47.4,"avg_high_f":57.6,"avg_low_f":37.2,"precip_in":3.01,"snow_in":0.4,"heating_degree_days":548.7,"cooling_degree_days":3.2,"days_with_precip":13.9,"days_with_snow":0.4,"days_freezing":9.9,"days_90f_plus":0,"humidity_pct":75.625,"wind_speed_mph":7.6499999999999995,"clear_sky_pct":30.2,"overcast_pct":49.595454545454544},{"month":"November","month_number":11,"avg_temp_f":36.6,"avg_high_f":44.6,"avg_low_f":28.6,"precip_in":2.07,"snow_in":6.6,"heating_degree_days":852,"cooling_degree_days":0,"days_with_precip":13.8,"days_with_snow":5.9,"days_freezing":20.7,"days_90f_plus":0,"humidity_pct":78.33333333333333,"wind_speed_mph":7.954166666666667,"clear_sky_pct":16.9375,"overcast_pct":68.3125},{"month":"December","month_number":12,"avg_temp_f":26.6,"avg_high_f":33.6,"avg_low_f":19.6,"precip_in":1.87,"snow_in":16.9,"heating_degree_days":1190.3,"cooling_degree_days":0,"days_with_precip":14,"days_with_snow":11.6,"days_freezing":28.2,"days_90f_plus":0,"humidity_pct":78.58333333333333,"wind_speed_mph":7.9875,"clear_sky_pct":15.075,"overcast_pct":69.375}]}