{"metadata":{"title":"Fort Smith Rgnl, AR Monthly Climate Normals","page_url":"https://plainclimate.com/city/fort-smith-rgnl-ar","primary_station_id":"USW00013964","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, \"Fort Smith Rgnl, AR Climate Normals\". https://plainclimate.com/city/fort-smith-rgnl-ar","row_count":12},"annual_summary":{"city_slug":"fort-smith-rgnl-ar","ann_tavg":62.4,"ann_tmax":73.8,"ann_tmin":50.9,"ann_prcp":47.34,"ann_snow":2.9,"ann_htdd":3097.7,"ann_cldd":2176.8,"frost_first":"11/06","frost_last":"03/25","growing_season":226,"warmest_month":7,"coldest_month":1,"wettest_month":5,"driest_month":2,"snowiest_month":1,"comfort_score":93},"data":[{"month":"January","month_number":1,"avg_temp_f":40.4,"avg_high_f":51.3,"avg_low_f":29.6,"precip_in":2.91,"snow_in":1.4,"heating_degree_days":761.4,"cooling_degree_days":0.4,"days_with_precip":7.5,"days_with_snow":0.6,"days_freezing":20.3,"days_90f_plus":0,"humidity_pct":65.41666666666667,"wind_speed_mph":7.370833333333334,"clear_sky_pct":53.51666666666667,"overcast_pct":35.40833333333333},{"month":"February","month_number":2,"avg_temp_f":45,"avg_high_f":56.6,"avg_low_f":33.4,"precip_in":2.69,"snow_in":0.6,"heating_degree_days":561.2,"cooling_degree_days":1.3,"days_with_precip":7.6,"days_with_snow":0.5,"days_freezing":13.2,"days_90f_plus":0,"humidity_pct":61.75,"wind_speed_mph":8.316666666666666,"clear_sky_pct":54.57083333333333,"overcast_pct":32.229166666666664},{"month":"March","month_number":3,"avg_temp_f":53.5,"avg_high_f":65.6,"avg_low_f":41.5,"precip_in":3.9,"snow_in":0.3,"heating_degree_days":369.3,"cooling_degree_days":14.4,"days_with_precip":10.1,"days_with_snow":0.3,"days_freezing":5,"days_90f_plus":0.1,"humidity_pct":61.666666666666664,"wind_speed_mph":8.391666666666667,"clear_sky_pct":52.887499999999996,"overcast_pct":28.858333333333334},{"month":"April","month_number":4,"avg_temp_f":62.1,"avg_high_f":74.5,"avg_low_f":49.8,"precip_in":4.87,"snow_in":0,"heating_degree_days":142.4,"cooling_degree_days":56.9,"days_with_precip":9.2,"days_with_snow":0,"days_freezing":0.5,"days_90f_plus":0.3,"humidity_pct":67.375,"wind_speed_mph":7.425,"clear_sky_pct":51.17916666666667,"overcast_pct":25.7375},{"month":"May","month_number":5,"avg_temp_f":70.4,"avg_high_f":81.4,"avg_low_f":59.5,"precip_in":5.63,"snow_in":0,"heating_degree_days":27.5,"cooling_degree_days":196.5,"days_with_precip":10.9,"days_with_snow":0,"days_freezing":0,"days_90f_plus":3.3,"humidity_pct":71.95833333333333,"wind_speed_mph":6.291666666666667,"clear_sky_pct":54.72083333333333,"overcast_pct":16.395833333333332},{"month":"June","month_number":6,"avg_temp_f":78.8,"avg_high_f":89.4,"avg_low_f":68.3,"precip_in":4.56,"snow_in":0,"heating_degree_days":0.4,"cooling_degree_days":415.8,"days_with_precip":9,"days_with_snow":0,"days_freezing":0,"days_90f_plus":15.2,"humidity_pct":68.58333333333333,"wind_speed_mph":5.666666666666667,"clear_sky_pct":61.25,"overcast_pct":8.195833333333333},{"month":"July","month_number":7,"avg_temp_f":83.1,"avg_high_f":94.1,"avg_low_f":72.1,"precip_in":3.39,"snow_in":0,"heating_degree_days":0,"cooling_degree_days":561,"days_with_precip":7,"days_with_snow":0,"days_freezing":0,"days_90f_plus":24,"humidity_pct":66.04166666666667,"wind_speed_mph":5.408333333333334,"clear_sky_pct":67.95833333333333,"overcast_pct":7.854166666666667},{"month":"August","month_number":8,"avg_temp_f":82.3,"avg_high_f":93.7,"avg_low_f":70.9,"precip_in":3.6,"snow_in":0,"heating_degree_days":0,"cooling_degree_days":536.2,"days_with_precip":7.2,"days_with_snow":0,"days_freezing":0,"days_90f_plus":22.6,"humidity_pct":67.58333333333333,"wind_speed_mph":5.533333333333334,"clear_sky_pct":67.89999999999999,"overcast_pct":9.629166666666666},{"month":"September","month_number":9,"avg_temp_f":74.8,"avg_high_f":86.5,"avg_low_f":63.1,"precip_in":4.04,"snow_in":0,"heating_degree_days":10.2,"cooling_degree_days":304.2,"days_with_precip":7.1,"days_with_snow":0,"days_freezing":0,"days_90f_plus":10.9,"humidity_pct":68.25,"wind_speed_mph":5.783333333333334,"clear_sky_pct":69.97500000000001,"overcast_pct":13.858333333333334},{"month":"October","month_number":10,"avg_temp_f":63.5,"avg_high_f":75.9,"avg_low_f":51,"precip_in":4.42,"snow_in":0,"heating_degree_days":129.3,"cooling_degree_days":81.2,"days_with_precip":8.1,"days_with_snow":0,"days_freezing":0.4,"days_90f_plus":1.4,"humidity_pct":69.29166666666667,"wind_speed_mph":6.554166666666667,"clear_sky_pct":55.372727272727275,"overcast_pct":29.531818181818185},{"month":"November","month_number":11,"avg_temp_f":51.7,"avg_high_f":63.4,"avg_low_f":40,"precip_in":3.85,"snow_in":0,"heating_degree_days":407.3,"cooling_degree_days":8.3,"days_with_precip":7.4,"days_with_snow":0,"days_freezing":7,"days_90f_plus":0,"humidity_pct":67.75,"wind_speed_mph":7.295833333333333,"clear_sky_pct":57.55217391304348,"overcast_pct":31.23913043478261},{"month":"December","month_number":12,"avg_temp_f":42.8,"avg_high_f":53.3,"avg_low_f":32.3,"precip_in":3.48,"snow_in":0.6,"heating_degree_days":688.7,"cooling_degree_days":0.6,"days_with_precip":7.9,"days_with_snow":0.3,"days_freezing":16.3,"days_90f_plus":0,"humidity_pct":69.29166666666667,"wind_speed_mph":7.254166666666666,"clear_sky_pct":54.73333333333333,"overcast_pct":35.0875}]}