{"metadata":{"title":"Pittsburgh, PA Monthly Climate Normals","page_url":"https://plainclimate.com/city/pittsburgh-pa","primary_station_id":"USW00094823","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, \"Pittsburgh, PA Climate Normals\". https://plainclimate.com/city/pittsburgh-pa","row_count":12},"annual_summary":{"city_slug":"pittsburgh-pa","ann_tavg":51.8,"ann_tmax":61.1,"ann_tmin":42.5,"ann_prcp":39.61,"ann_snow":44.1,"ann_htdd":5571.8,"ann_cldd":796.9,"frost_first":"10/23","frost_last":"04/23","growing_season":183,"warmest_month":7,"coldest_month":1,"wettest_month":7,"driest_month":2,"snowiest_month":1,"comfort_score":63},"data":[{"month":"January","month_number":1,"avg_temp_f":28.8,"avg_high_f":36.3,"avg_low_f":21.4,"precip_in":2.96,"snow_in":13.3,"heating_degree_days":1120.4,"cooling_degree_days":0,"days_with_precip":16.8,"days_with_snow":12.2,"days_freezing":25.4,"days_90f_plus":0,"humidity_pct":69.66666666666667,"wind_speed_mph":8.700000000000001,"clear_sky_pct":10.883333333333333,"overcast_pct":58.361111111111114},{"month":"February","month_number":2,"avg_temp_f":31.4,"avg_high_f":39.6,"avg_low_f":23.2,"precip_in":2.62,"snow_in":11.7,"heating_degree_days":940.7,"cooling_degree_days":0,"days_with_precip":13.9,"days_with_snow":9.3,"days_freezing":23,"days_90f_plus":0,"humidity_pct":65.70833333333333,"wind_speed_mph":9.279166666666667,"clear_sky_pct":9.208695652173914,"overcast_pct":56.678260869565214},{"month":"March","month_number":3,"avg_temp_f":39.7,"avg_high_f":49.1,"avg_low_f":30.3,"precip_in":3.15,"snow_in":7.6,"heating_degree_days":785,"cooling_degree_days":0.8,"days_with_precip":14,"days_with_snow":5.9,"days_freezing":18.9,"days_90f_plus":0,"humidity_pct":58.583333333333336,"wind_speed_mph":9.145833333333334,"clear_sky_pct":13.270833333333334,"overcast_pct":46.90833333333333},{"month":"April","month_number":4,"avg_temp_f":51.5,"avg_high_f":62.4,"avg_low_f":40.7,"precip_in":3.32,"snow_in":1,"heating_degree_days":412.8,"cooling_degree_days":9.2,"days_with_precip":13.9,"days_with_snow":1.6,"days_freezing":6.3,"days_90f_plus":0,"humidity_pct":58.708333333333336,"wind_speed_mph":8.320833333333333,"clear_sky_pct":12.542105263157895,"overcast_pct":39.642105263157895},{"month":"May","month_number":5,"avg_temp_f":61.2,"avg_high_f":71.9,"avg_low_f":50.6,"precip_in":3.83,"snow_in":0,"heating_degree_days":172.2,"cooling_degree_days":56,"days_with_precip":13.5,"days_with_snow":0,"days_freezing":0.5,"days_90f_plus":0.3,"humidity_pct":67.625,"wind_speed_mph":6.9375,"clear_sky_pct":9.604347826086956,"overcast_pct":35.53913043478261},{"month":"June","month_number":6,"avg_temp_f":69.4,"avg_high_f":79.4,"avg_low_f":59.3,"precip_in":4.12,"snow_in":0,"heating_degree_days":30.1,"cooling_degree_days":160.5,"days_with_precip":12.4,"days_with_snow":0,"days_freezing":0,"days_90f_plus":1.8,"humidity_pct":68.29166666666667,"wind_speed_mph":6.241666666666667,"clear_sky_pct":13.91764705882353,"overcast_pct":25.01764705882353},{"month":"July","month_number":7,"avg_temp_f":73.2,"avg_high_f":82.9,"avg_low_f":63.4,"precip_in":4.26,"snow_in":0,"heating_degree_days":3,"cooling_degree_days":255.6,"days_with_precip":11.2,"days_with_snow":0,"days_freezing":0,"days_90f_plus":4.2,"humidity_pct":68.83333333333333,"wind_speed_mph":5.995833333333334,"clear_sky_pct":11.454166666666666,"overcast_pct":23.27916666666667},{"month":"August","month_number":8,"avg_temp_f":71.8,"avg_high_f":81.7,"avg_low_f":62,"precip_in":3.52,"snow_in":0,"heating_degree_days":6.6,"cooling_degree_days":218.8,"days_with_precip":10.5,"days_with_snow":0,"days_freezing":0,"days_90f_plus":2.9,"humidity_pct":69.41666666666667,"wind_speed_mph":5.820833333333333,"clear_sky_pct":19.1875,"overcast_pct":22.633333333333336},{"month":"September","month_number":9,"avg_temp_f":64.9,"avg_high_f":75.1,"avg_low_f":54.8,"precip_in":3.3,"snow_in":0,"heating_degree_days":86.3,"cooling_degree_days":84.7,"days_with_precip":9.8,"days_with_snow":0,"days_freezing":0,"days_90f_plus":0.9,"humidity_pct":72.375,"wind_speed_mph":6.529166666666666,"clear_sky_pct":19.604166666666668,"overcast_pct":29.258333333333336},{"month":"October","month_number":10,"avg_temp_f":53.4,"avg_high_f":63.1,"avg_low_f":43.7,"precip_in":2.83,"snow_in":0.4,"heating_degree_days":370.5,"cooling_degree_days":10.9,"days_with_precip":11.1,"days_with_snow":0.3,"days_freezing":2.4,"days_90f_plus":0,"humidity_pct":67.08333333333333,"wind_speed_mph":7.470833333333334,"clear_sky_pct":19.3625,"overcast_pct":43.6375},{"month":"November","month_number":11,"avg_temp_f":42.6,"avg_high_f":50.9,"avg_low_f":34.3,"precip_in":2.86,"snow_in":2.4,"heating_degree_days":672.2,"cooling_degree_days":0.3,"days_with_precip":12,"days_with_snow":3.3,"days_freezing":13.7,"days_90f_plus":0,"humidity_pct":70.16666666666667,"wind_speed_mph":8.345833333333333,"clear_sky_pct":7.2,"overcast_pct":60.175},{"month":"December","month_number":12,"avg_temp_f":33.7,"avg_high_f":40.6,"avg_low_f":26.7,"precip_in":2.84,"snow_in":7.7,"heating_degree_days":971.8,"cooling_degree_days":0,"days_with_precip":14.6,"days_with_snow":7.6,"days_freezing":23.4,"days_90f_plus":0,"humidity_pct":72.95833333333333,"wind_speed_mph":8.575,"clear_sky_pct":7.223076923076923,"overcast_pct":61.92307692307692}]}