{"metadata":{"title":"Mckinney Municipal Airport, TX Monthly Climate Normals","page_url":"https://plainclimate.com/city/mckinney-municipal-airport-tx","primary_station_id":"USC00415766","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, \"Mckinney Municipal Airport, TX Climate Normals\". https://plainclimate.com/city/mckinney-municipal-airport-tx","row_count":12},"annual_summary":{"city_slug":"mckinney-municipal-airport-tx","ann_tavg":64.9,"ann_tmax":76.2,"ann_tmin":53.5,"ann_prcp":null,"ann_snow":null,"ann_htdd":2429.4,"ann_cldd":2416.2,"frost_first":"11/15","frost_last":"03/17","growing_season":243,"warmest_month":7,"coldest_month":1,"wettest_month":1,"driest_month":null,"snowiest_month":null,"comfort_score":null},"data":[{"month":"January","month_number":1,"avg_temp_f":45,"avg_high_f":56.4,"avg_low_f":33.6,"precip_in":null,"snow_in":null,"heating_degree_days":620.9,"cooling_degree_days":1,"days_with_precip":null,"days_with_snow":null,"days_freezing":14.1,"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":48.1,"avg_high_f":59.9,"avg_low_f":36.3,"precip_in":null,"snow_in":null,"heating_degree_days":474.9,"cooling_degree_days":1.9,"days_with_precip":null,"days_with_snow":null,"days_freezing":10.6,"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":57.1,"avg_high_f":69,"avg_low_f":45.3,"precip_in":null,"snow_in":null,"heating_degree_days":271.4,"cooling_degree_days":27.9,"days_with_precip":null,"days_with_snow":null,"days_freezing":3.1,"days_90f_plus":0.1,"humidity_pct":null,"wind_speed_mph":null,"clear_sky_pct":null,"overcast_pct":null},{"month":"April","month_number":4,"avg_temp_f":64.2,"avg_high_f":76.3,"avg_low_f":52,"precip_in":null,"snow_in":null,"heating_degree_days":102.9,"cooling_degree_days":77.4,"days_with_precip":null,"days_with_snow":null,"days_freezing":0.4,"days_90f_plus":0.5,"humidity_pct":null,"wind_speed_mph":null,"clear_sky_pct":null,"overcast_pct":null},{"month":"May","month_number":5,"avg_temp_f":72.6,"avg_high_f":83.2,"avg_low_f":62,"precip_in":null,"snow_in":null,"heating_degree_days":11.4,"cooling_degree_days":247,"days_with_precip":null,"days_with_snow":null,"days_freezing":0,"days_90f_plus":4,"humidity_pct":null,"wind_speed_mph":null,"clear_sky_pct":null,"overcast_pct":null},{"month":"June","month_number":6,"avg_temp_f":80,"avg_high_f":90.4,"avg_low_f":69.6,"precip_in":null,"snow_in":null,"heating_degree_days":0.2,"cooling_degree_days":450,"days_with_precip":null,"days_with_snow":null,"days_freezing":0,"days_90f_plus":15.6,"humidity_pct":null,"wind_speed_mph":null,"clear_sky_pct":null,"overcast_pct":null},{"month":"July","month_number":7,"avg_temp_f":83.3,"avg_high_f":94.2,"avg_low_f":72.5,"precip_in":null,"snow_in":null,"heating_degree_days":0,"cooling_degree_days":568.8,"days_with_precip":null,"days_with_snow":null,"days_freezing":0,"days_90f_plus":26.6,"humidity_pct":null,"wind_speed_mph":null,"clear_sky_pct":null,"overcast_pct":null},{"month":"August","month_number":8,"avg_temp_f":82.9,"avg_high_f":94.6,"avg_low_f":71.3,"precip_in":null,"snow_in":null,"heating_degree_days":0,"cooling_degree_days":556.2,"days_with_precip":null,"days_with_snow":null,"days_freezing":0,"days_90f_plus":26.5,"humidity_pct":null,"wind_speed_mph":null,"clear_sky_pct":null,"overcast_pct":null},{"month":"September","month_number":9,"avg_temp_f":76.1,"avg_high_f":87.3,"avg_low_f":64.9,"precip_in":null,"snow_in":null,"heating_degree_days":8.3,"cooling_degree_days":341.3,"days_with_precip":null,"days_with_snow":null,"days_freezing":0,"days_90f_plus":12.9,"humidity_pct":null,"wind_speed_mph":null,"clear_sky_pct":null,"overcast_pct":null},{"month":"October","month_number":10,"avg_temp_f":66.2,"avg_high_f":78.7,"avg_low_f":53.8,"precip_in":null,"snow_in":null,"heating_degree_days":81.4,"cooling_degree_days":120.1,"days_with_precip":null,"days_with_snow":null,"days_freezing":0.1,"days_90f_plus":1.8,"humidity_pct":null,"wind_speed_mph":null,"clear_sky_pct":null,"overcast_pct":null},{"month":"November","month_number":11,"avg_temp_f":55.4,"avg_high_f":66.7,"avg_low_f":44.2,"precip_in":null,"snow_in":null,"heating_degree_days":307.5,"cooling_degree_days":21,"days_with_precip":null,"days_with_snow":null,"days_freezing":5.1,"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":47.4,"avg_high_f":58,"avg_low_f":36.7,"precip_in":null,"snow_in":null,"heating_degree_days":550.7,"cooling_degree_days":3.7,"days_with_precip":null,"days_with_snow":null,"days_freezing":12,"days_90f_plus":0,"humidity_pct":null,"wind_speed_mph":null,"clear_sky_pct":null,"overcast_pct":null}]}