{"metadata":{"title":"Stockton, CA Monthly Climate Normals","page_url":"https://plainclimate.com/city/stockton-ca","primary_station_id":"USW00023237","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, \"Stockton, CA Climate Normals\". https://plainclimate.com/city/stockton-ca","row_count":12},"annual_summary":{"city_slug":"stockton-ca","ann_tavg":63,"ann_tmax":76.7,"ann_tmin":49.4,"ann_prcp":13.45,"ann_snow":null,"ann_htdd":2259.5,"ann_cldd":1566.1,"frost_first":"12/01","frost_last":"02/06","growing_season":298,"warmest_month":7,"coldest_month":12,"wettest_month":1,"driest_month":7,"snowiest_month":null,"comfort_score":85},"data":[{"month":"January","month_number":1,"avg_temp_f":48,"avg_high_f":57,"avg_low_f":39.1,"precip_in":2.67,"snow_in":null,"heating_degree_days":525.4,"cooling_degree_days":0,"days_with_precip":9.7,"days_with_snow":null,"days_freezing":6.5,"days_90f_plus":0,"humidity_pct":80.08333333333333,"wind_speed_mph":6.375,"clear_sky_pct":57.32,"overcast_pct":24.09333333333333},{"month":"February","month_number":2,"avg_temp_f":52.1,"avg_high_f":62.9,"avg_low_f":41.3,"precip_in":2.5,"snow_in":null,"heating_degree_days":361.2,"cooling_degree_days":0,"days_with_precip":9.2,"days_with_snow":null,"days_freezing":2.4,"days_90f_plus":0,"humidity_pct":71.91666666666667,"wind_speed_mph":7.033333333333334,"clear_sky_pct":57.47083333333333,"overcast_pct":20.837500000000002},{"month":"March","month_number":3,"avg_temp_f":56.4,"avg_high_f":68.5,"avg_low_f":44.2,"precip_in":1.91,"snow_in":null,"heating_degree_days":269.6,"cooling_degree_days":1.4,"days_with_precip":9,"days_with_snow":null,"days_freezing":0.2,"days_90f_plus":0,"humidity_pct":63.916666666666664,"wind_speed_mph":8.120833333333334,"clear_sky_pct":66.60833333333333,"overcast_pct":12.737499999999999},{"month":"April","month_number":4,"avg_temp_f":60.9,"avg_high_f":74.5,"avg_low_f":47.4,"precip_in":1.11,"snow_in":null,"heating_degree_days":145.8,"cooling_degree_days":24.4,"days_with_precip":5.3,"days_with_snow":null,"days_freezing":0.1,"days_90f_plus":1,"humidity_pct":54.625,"wind_speed_mph":9.1875,"clear_sky_pct":73.45416666666667,"overcast_pct":8.608333333333333},{"month":"May","month_number":5,"avg_temp_f":67.7,"avg_high_f":82.8,"avg_low_f":52.6,"precip_in":0.57,"snow_in":null,"heating_degree_days":41.3,"cooling_degree_days":125,"days_with_precip":2.9,"days_with_snow":null,"days_freezing":0,"days_90f_plus":6.3,"humidity_pct":51.791666666666664,"wind_speed_mph":9.75,"clear_sky_pct":82.15833333333333,"overcast_pct":4.4875},{"month":"June","month_number":6,"avg_temp_f":74,"avg_high_f":90.4,"avg_low_f":57.6,"precip_in":0.1,"snow_in":null,"heating_degree_days":3.9,"cooling_degree_days":273.8,"days_with_precip":1,"days_with_snow":null,"days_freezing":0,"days_90f_plus":15.4,"humidity_pct":46.583333333333336,"wind_speed_mph":9.033333333333333,"clear_sky_pct":92.45833333333333,"overcast_pct":1.5458333333333334},{"month":"July","month_number":7,"avg_temp_f":78.1,"avg_high_f":95.4,"avg_low_f":60.9,"precip_in":0,"snow_in":null,"heating_degree_days":0,"cooling_degree_days":407.6,"days_with_precip":0.2,"days_with_snow":null,"days_freezing":0,"days_90f_plus":23.8,"humidity_pct":47.875,"wind_speed_mph":8.404166666666667,"clear_sky_pct":94.325,"overcast_pct":0.14583333333333334},{"month":"August","month_number":8,"avg_temp_f":77.3,"avg_high_f":94.4,"avg_low_f":60.3,"precip_in":0.01,"snow_in":null,"heating_degree_days":0,"cooling_degree_days":382.9,"days_with_precip":0.2,"days_with_snow":null,"days_freezing":0,"days_90f_plus":22.3,"humidity_pct":47.666666666666664,"wind_speed_mph":7.804166666666667,"clear_sky_pct":93.81666666666666,"overcast_pct":0.5916666666666667},{"month":"September","month_number":9,"avg_temp_f":73.9,"avg_high_f":90.4,"avg_low_f":57.5,"precip_in":0.08,"snow_in":null,"heating_degree_days":2.7,"cooling_degree_days":271.1,"days_with_precip":0.7,"days_with_snow":null,"days_freezing":0,"days_90f_plus":15.8,"humidity_pct":51.291666666666664,"wind_speed_mph":6.7375,"clear_sky_pct":88.65416666666665,"overcast_pct":2.066666666666667},{"month":"October","month_number":10,"avg_temp_f":65.5,"avg_high_f":80.3,"avg_low_f":50.6,"precip_in":0.69,"snow_in":null,"heating_degree_days":64.1,"cooling_degree_days":78.1,"days_with_precip":2.8,"days_with_snow":null,"days_freezing":0,"days_90f_plus":3.5,"humidity_pct":60.833333333333336,"wind_speed_mph":5.6499999999999995,"clear_sky_pct":76.7,"overcast_pct":8.695833333333333},{"month":"November","month_number":11,"avg_temp_f":54.7,"avg_high_f":66.6,"avg_low_f":42.8,"precip_in":1.4,"snow_in":null,"heating_degree_days":310.7,"cooling_degree_days":1.8,"days_with_precip":6.4,"days_with_snow":null,"days_freezing":1.9,"days_90f_plus":0,"humidity_pct":75.08333333333333,"wind_speed_mph":6.075,"clear_sky_pct":60.95882352941176,"overcast_pct":20.029411764705884},{"month":"December","month_number":12,"avg_temp_f":47.7,"avg_high_f":57.1,"avg_low_f":38.4,"precip_in":2.41,"snow_in":null,"heating_degree_days":534.7,"cooling_degree_days":0,"days_with_precip":9.1,"days_with_snow":null,"days_freezing":8,"days_90f_plus":0,"humidity_pct":80.83333333333333,"wind_speed_mph":6.5125,"clear_sky_pct":54.9875,"overcast_pct":29.28125}]}