{"metadata":{"title":"Edgartown, MA Monthly Climate Normals","page_url":"https://plainclimate.com/city/edgartown-ma","primary_station_id":"USC00192501","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, \"Edgartown, MA Climate Normals\". https://plainclimate.com/city/edgartown-ma","row_count":12},"annual_summary":{"city_slug":"edgartown-ma","ann_tavg":52.3,"ann_tmax":60,"ann_tmin":44.6,"ann_prcp":47.71,"ann_snow":25.3,"ann_htdd":5214.6,"ann_cldd":625.6,"frost_first":"11/03","frost_last":"04/17","growing_season":200,"warmest_month":7,"coldest_month":1,"wettest_month":12,"driest_month":7,"snowiest_month":1,"comfort_score":63},"data":[{"month":"January","month_number":1,"avg_temp_f":32.9,"avg_high_f":40.1,"avg_low_f":25.6,"precip_in":4.1,"snow_in":8.8,"heating_degree_days":996.6,"cooling_degree_days":0,"days_with_precip":11.9,"days_with_snow":3.5,"days_freezing":24.3,"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":34.1,"avg_high_f":41.5,"avg_low_f":26.8,"precip_in":3.57,"snow_in":8.1,"heating_degree_days":863.8,"cooling_degree_days":0,"days_with_precip":9.8,"days_with_snow":3.3,"days_freezing":21.4,"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,"avg_high_f":46.4,"avg_low_f":31.7,"precip_in":4.8,"snow_in":4.7,"heating_degree_days":804.4,"cooling_degree_days":0,"days_with_precip":11.4,"days_with_snow":2,"days_freezing":17.7,"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":47.5,"avg_high_f":55.4,"avg_low_f":39.5,"precip_in":4.18,"snow_in":0.3,"heating_degree_days":526.9,"cooling_degree_days":0.5,"days_with_precip":11.9,"days_with_snow":0.2,"days_freezing":4.3,"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":56.7,"avg_high_f":64.9,"avg_low_f":48.6,"precip_in":3.74,"snow_in":0,"heating_degree_days":262.5,"cooling_degree_days":6.7,"days_with_precip":12,"days_with_snow":0,"days_freezing":0.3,"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":65.7,"avg_high_f":73.8,"avg_low_f":57.6,"precip_in":3.39,"snow_in":0,"heating_degree_days":54.9,"cooling_degree_days":76,"days_with_precip":10.2,"days_with_snow":0,"days_freezing":0,"days_90f_plus":0.2,"humidity_pct":null,"wind_speed_mph":null,"clear_sky_pct":null,"overcast_pct":null},{"month":"July","month_number":7,"avg_temp_f":72.3,"avg_high_f":80.4,"avg_low_f":64.2,"precip_in":2.64,"snow_in":0,"heating_degree_days":3,"cooling_degree_days":229.2,"days_with_precip":7.8,"days_with_snow":0,"days_freezing":0,"days_90f_plus":1.2,"humidity_pct":null,"wind_speed_mph":null,"clear_sky_pct":null,"overcast_pct":null},{"month":"August","month_number":8,"avg_temp_f":71.9,"avg_high_f":79.9,"avg_low_f":63.9,"precip_in":3.72,"snow_in":0,"heating_degree_days":2.8,"cooling_degree_days":216.6,"days_with_precip":8.9,"days_with_snow":0,"days_freezing":0,"days_90f_plus":0.5,"humidity_pct":null,"wind_speed_mph":null,"clear_sky_pct":null,"overcast_pct":null},{"month":"September","month_number":9,"avg_temp_f":66.2,"avg_high_f":74,"avg_low_f":58.4,"precip_in":3.89,"snow_in":0,"heating_degree_days":52.3,"cooling_degree_days":88.2,"days_with_precip":9.3,"days_with_snow":0,"days_freezing":0,"days_90f_plus":0.1,"humidity_pct":null,"wind_speed_mph":null,"clear_sky_pct":null,"overcast_pct":null},{"month":"October","month_number":10,"avg_temp_f":56.1,"avg_high_f":64,"avg_low_f":48.2,"precip_in":4.63,"snow_in":0,"heating_degree_days":284.2,"cooling_degree_days":8.4,"days_with_precip":11.2,"days_with_snow":0,"days_freezing":1,"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":47,"avg_high_f":54.4,"avg_low_f":39.7,"precip_in":4.21,"snow_in":0,"heating_degree_days":538.6,"cooling_degree_days":0,"days_with_precip":11.4,"days_with_snow":0.1,"days_freezing":7.8,"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":38.4,"avg_high_f":45.5,"avg_low_f":31.3,"precip_in":4.84,"snow_in":3.4,"heating_degree_days":824.6,"cooling_degree_days":0,"days_with_precip":12.1,"days_with_snow":1.4,"days_freezing":18.7,"days_90f_plus":0,"humidity_pct":null,"wind_speed_mph":null,"clear_sky_pct":null,"overcast_pct":null}]}