{"metadata":{"title":"Northridge Cal State, CA Monthly Climate Normals","page_url":"https://plainclimate.com/city/northridge-cal-state-ca","primary_station_id":"USC00046263","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, \"Northridge Cal State, CA Climate Normals\". https://plainclimate.com/city/northridge-cal-state-ca","row_count":12},"annual_summary":{"city_slug":"northridge-cal-state-ca","ann_tavg":66.2,"ann_tmax":78,"ann_tmin":54.3,"ann_prcp":14.64,"ann_snow":0,"ann_htdd":1272.9,"ann_cldd":1711,"frost_first":"01/01","frost_last":"01/02","growing_season":null,"warmest_month":8,"coldest_month":12,"wettest_month":2,"driest_month":8,"snowiest_month":null,"comfort_score":88},"data":[{"month":"January","month_number":1,"avg_temp_f":57,"avg_high_f":67.3,"avg_low_f":46.7,"precip_in":3.42,"snow_in":0,"heating_degree_days":261.5,"cooling_degree_days":13.4,"days_with_precip":5.8,"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":"February","month_number":2,"avg_temp_f":57.3,"avg_high_f":68,"avg_low_f":46.6,"precip_in":3.89,"snow_in":0,"heating_degree_days":228.9,"cooling_degree_days":13.5,"days_with_precip":6.9,"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":"March","month_number":3,"avg_temp_f":60.1,"avg_high_f":71,"avg_low_f":49.2,"precip_in":2.35,"snow_in":0,"heating_degree_days":176.7,"cooling_degree_days":24.8,"days_with_precip":4.6,"days_with_snow":0,"days_freezing":0.1,"days_90f_plus":0.8,"humidity_pct":null,"wind_speed_mph":null,"clear_sky_pct":null,"overcast_pct":null},{"month":"April","month_number":4,"avg_temp_f":63.2,"avg_high_f":74.6,"avg_low_f":51.7,"precip_in":0.72,"snow_in":0,"heating_degree_days":111,"cooling_degree_days":55.6,"days_with_precip":2.9,"days_with_snow":0,"days_freezing":0,"days_90f_plus":2.1,"humidity_pct":null,"wind_speed_mph":null,"clear_sky_pct":null,"overcast_pct":null},{"month":"May","month_number":5,"avg_temp_f":66.7,"avg_high_f":77.8,"avg_low_f":55.6,"precip_in":0.37,"snow_in":0,"heating_degree_days":49.8,"cooling_degree_days":102.6,"days_with_precip":1.5,"days_with_snow":0,"days_freezing":0,"days_90f_plus":4.8,"humidity_pct":null,"wind_speed_mph":null,"clear_sky_pct":null,"overcast_pct":null},{"month":"June","month_number":6,"avg_temp_f":71.7,"avg_high_f":83.6,"avg_low_f":59.8,"precip_in":0.1,"snow_in":0,"heating_degree_days":6.1,"cooling_degree_days":207.2,"days_with_precip":0.5,"days_with_snow":0,"days_freezing":0,"days_90f_plus":6.9,"humidity_pct":null,"wind_speed_mph":null,"clear_sky_pct":null,"overcast_pct":null},{"month":"July","month_number":7,"avg_temp_f":76.9,"avg_high_f":90.1,"avg_low_f":63.7,"precip_in":0.02,"snow_in":0,"heating_degree_days":0,"cooling_degree_days":368.7,"days_with_precip":0.3,"days_with_snow":0,"days_freezing":0,"days_90f_plus":18.4,"humidity_pct":null,"wind_speed_mph":null,"clear_sky_pct":null,"overcast_pct":null},{"month":"August","month_number":8,"avg_temp_f":78.1,"avg_high_f":91.9,"avg_low_f":64.2,"precip_in":0.01,"snow_in":0,"heating_degree_days":0,"cooling_degree_days":404.5,"days_with_precip":0.3,"days_with_snow":0,"days_freezing":0,"days_90f_plus":20,"humidity_pct":null,"wind_speed_mph":null,"clear_sky_pct":null,"overcast_pct":null},{"month":"September","month_number":9,"avg_temp_f":75.6,"avg_high_f":89.2,"avg_low_f":62,"precip_in":0.09,"snow_in":0,"heating_degree_days":3.3,"cooling_degree_days":321,"days_with_precip":0.8,"days_with_snow":0,"days_freezing":0,"days_90f_plus":14.7,"humidity_pct":null,"wind_speed_mph":null,"clear_sky_pct":null,"overcast_pct":null},{"month":"October","month_number":10,"avg_temp_f":68.8,"avg_high_f":82,"avg_low_f":55.6,"precip_in":0.56,"snow_in":0,"heating_degree_days":30.5,"cooling_degree_days":148.4,"days_with_precip":2.5,"days_with_snow":0,"days_freezing":0,"days_90f_plus":7.1,"humidity_pct":null,"wind_speed_mph":null,"clear_sky_pct":null,"overcast_pct":null},{"month":"November","month_number":11,"avg_temp_f":62.2,"avg_high_f":74.3,"avg_low_f":50.2,"precip_in":0.79,"snow_in":0,"heating_degree_days":126.2,"cooling_degree_days":43.5,"days_with_precip":3.7,"days_with_snow":0,"days_freezing":0,"days_90f_plus":1.1,"humidity_pct":null,"wind_speed_mph":null,"clear_sky_pct":null,"overcast_pct":null},{"month":"December","month_number":12,"avg_temp_f":56.3,"avg_high_f":66.7,"avg_low_f":45.8,"precip_in":2.32,"snow_in":0,"heating_degree_days":278.9,"cooling_degree_days":8,"days_with_precip":6.1,"days_with_snow":0,"days_freezing":0.2,"days_90f_plus":0,"humidity_pct":null,"wind_speed_mph":null,"clear_sky_pct":null,"overcast_pct":null}]}