{"metadata":{"title":"Holland Wtp, MI Monthly Climate Normals","page_url":"https://plainclimate.com/city/holland-wtp-mi","primary_station_id":"USC00203858","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, \"Holland Wtp, MI Climate Normals\". https://plainclimate.com/city/holland-wtp-mi","row_count":12},"annual_summary":{"city_slug":"holland-wtp-mi","ann_tavg":48,"ann_tmax":54.9,"ann_tmin":41.1,"ann_prcp":38.24,"ann_snow":null,"ann_htdd":6699.6,"ann_cldd":531.7,"frost_first":"10/25","frost_last":"04/27","growing_season":181,"warmest_month":7,"coldest_month":1,"wettest_month":10,"driest_month":3,"snowiest_month":null,"comfort_score":68},"data":[{"month":"January","month_number":1,"avg_temp_f":24.4,"avg_high_f":28.8,"avg_low_f":19.9,"precip_in":2.73,"snow_in":null,"heating_degree_days":1260,"cooling_degree_days":0,"days_with_precip":null,"days_with_snow":null,"days_freezing":28.4,"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":31.4,"avg_low_f":21.5,"precip_in":1.97,"snow_in":null,"heating_degree_days":1079.4,"cooling_degree_days":0,"days_with_precip":null,"days_with_snow":null,"days_freezing":25.9,"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":34.8,"avg_high_f":41.6,"avg_low_f":27.9,"precip_in":1.87,"snow_in":null,"heating_degree_days":938.4,"cooling_degree_days":0.6,"days_with_precip":null,"days_with_snow":null,"days_freezing":23.4,"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":45.5,"avg_high_f":53.6,"avg_low_f":37.4,"precip_in":3.26,"snow_in":null,"heating_degree_days":587.7,"cooling_degree_days":2.7,"days_with_precip":null,"days_with_snow":null,"days_freezing":9.5,"days_90f_plus":0.1,"humidity_pct":null,"wind_speed_mph":null,"clear_sky_pct":null,"overcast_pct":null},{"month":"May","month_number":5,"avg_temp_f":56.9,"avg_high_f":65.6,"avg_low_f":48.3,"precip_in":4.07,"snow_in":null,"heating_degree_days":279.5,"cooling_degree_days":29.9,"days_with_precip":null,"days_with_snow":null,"days_freezing":1.1,"days_90f_plus":0.6,"humidity_pct":null,"wind_speed_mph":null,"clear_sky_pct":null,"overcast_pct":null},{"month":"June","month_number":6,"avg_temp_f":66.1,"avg_high_f":74.4,"avg_low_f":57.8,"precip_in":4.23,"snow_in":null,"heating_degree_days":72.9,"cooling_degree_days":105.8,"days_with_precip":null,"days_with_snow":null,"days_freezing":0,"days_90f_plus":3.2,"humidity_pct":null,"wind_speed_mph":null,"clear_sky_pct":null,"overcast_pct":null},{"month":"July","month_number":7,"avg_temp_f":70.7,"avg_high_f":78.9,"avg_low_f":62.5,"precip_in":3.24,"snow_in":null,"heating_degree_days":16.6,"cooling_degree_days":193.2,"days_with_precip":null,"days_with_snow":null,"days_freezing":0,"days_90f_plus":3.8,"humidity_pct":null,"wind_speed_mph":null,"clear_sky_pct":null,"overcast_pct":null},{"month":"August","month_number":8,"avg_temp_f":68.8,"avg_high_f":76.7,"avg_low_f":60.9,"precip_in":3.75,"snow_in":null,"heating_degree_days":24.7,"cooling_degree_days":142.4,"days_with_precip":null,"days_with_snow":null,"days_freezing":0,"days_90f_plus":2.4,"humidity_pct":null,"wind_speed_mph":null,"clear_sky_pct":null,"overcast_pct":null},{"month":"September","month_number":9,"avg_temp_f":62.4,"avg_high_f":70.9,"avg_low_f":53.8,"precip_in":3.26,"snow_in":null,"heating_degree_days":132.4,"cooling_degree_days":52.8,"days_with_precip":null,"days_with_snow":null,"days_freezing":0.1,"days_90f_plus":0.5,"humidity_pct":null,"wind_speed_mph":null,"clear_sky_pct":null,"overcast_pct":null},{"month":"October","month_number":10,"avg_temp_f":50.6,"avg_high_f":57.8,"avg_low_f":43.3,"precip_in":4.43,"snow_in":null,"heating_degree_days":452.1,"cooling_degree_days":4.2,"days_with_precip":null,"days_with_snow":null,"days_freezing":2.3,"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":39.4,"avg_high_f":44.7,"avg_low_f":34.1,"precip_in":3.06,"snow_in":null,"heating_degree_days":768,"cooling_degree_days":0,"days_with_precip":null,"days_with_snow":null,"days_freezing":14.5,"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":29.9,"avg_high_f":33.8,"avg_low_f":26,"precip_in":2.37,"snow_in":null,"heating_degree_days":1088,"cooling_degree_days":0,"days_with_precip":null,"days_with_snow":null,"days_freezing":26.5,"days_90f_plus":0,"humidity_pct":null,"wind_speed_mph":null,"clear_sky_pct":null,"overcast_pct":null}]}