{"metadata":{"title":"Martinez Wtp, CA Monthly Climate Normals","page_url":"https://plainclimate.com/city/martinez-wtp-ca","primary_station_id":"USC00045378","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, \"Martinez Wtp, CA Climate Normals\". https://plainclimate.com/city/martinez-wtp-ca","row_count":12},"annual_summary":{"city_slug":"martinez-wtp-ca","ann_tavg":58.2,"ann_tmax":72.8,"ann_tmin":43.5,"ann_prcp":19.39,"ann_snow":0,"ann_htdd":3026,"ann_cldd":543.9,"frost_first":"11/22","frost_last":"02/28","growing_season":267,"warmest_month":7,"coldest_month":1,"wettest_month":1,"driest_month":7,"snowiest_month":null,"comfort_score":77},"data":[{"month":"January","month_number":1,"avg_temp_f":45.6,"avg_high_f":56.1,"avg_low_f":35,"precip_in":3.86,"snow_in":0,"heating_degree_days":602.9,"cooling_degree_days":0,"days_with_precip":11.3,"days_with_snow":0,"days_freezing":5.6,"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":49.1,"avg_high_f":60.9,"avg_low_f":37.4,"precip_in":3.81,"snow_in":0,"heating_degree_days":443.8,"cooling_degree_days":0,"days_with_precip":10.8,"days_with_snow":0,"days_freezing":1.8,"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":53,"avg_high_f":65.9,"avg_low_f":40.2,"precip_in":2.74,"snow_in":0,"heating_degree_days":370.7,"cooling_degree_days":0.2,"days_with_precip":9,"days_with_snow":0,"days_freezing":0.5,"days_90f_plus":0,"humidity_pct":null,"wind_speed_mph":null,"clear_sky_pct":null,"overcast_pct":null},{"month":"April","month_number":4,"avg_temp_f":56.8,"avg_high_f":71.1,"avg_low_f":42.5,"precip_in":1.32,"snow_in":0,"heating_degree_days":250.8,"cooling_degree_days":4.8,"days_with_precip":5.6,"days_with_snow":0,"days_freezing":0.1,"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":62,"avg_high_f":78,"avg_low_f":45.9,"precip_in":0.62,"snow_in":0,"heating_degree_days":129.3,"cooling_degree_days":34.7,"days_with_precip":3.1,"days_with_snow":0,"days_freezing":0,"days_90f_plus":3.2,"humidity_pct":null,"wind_speed_mph":null,"clear_sky_pct":null,"overcast_pct":null},{"month":"June","month_number":6,"avg_temp_f":67.4,"avg_high_f":85,"avg_low_f":49.8,"precip_in":0.25,"snow_in":0,"heating_degree_days":32.9,"cooling_degree_days":104.9,"days_with_precip":0.7,"days_with_snow":0,"days_freezing":0,"days_90f_plus":9.2,"humidity_pct":null,"wind_speed_mph":null,"clear_sky_pct":null,"overcast_pct":null},{"month":"July","month_number":7,"avg_temp_f":69.8,"avg_high_f":88.4,"avg_low_f":51.2,"precip_in":0,"snow_in":0,"heating_degree_days":7.3,"cooling_degree_days":156.1,"days_with_precip":0.1,"days_with_snow":0,"days_freezing":0,"days_90f_plus":13.7,"humidity_pct":null,"wind_speed_mph":null,"clear_sky_pct":null,"overcast_pct":null},{"month":"August","month_number":8,"avg_temp_f":68.9,"avg_high_f":87.4,"avg_low_f":50.5,"precip_in":0.03,"snow_in":0,"heating_degree_days":9.9,"cooling_degree_days":132.4,"days_with_precip":0.1,"days_with_snow":0,"days_freezing":0,"days_90f_plus":10.9,"humidity_pct":null,"wind_speed_mph":null,"clear_sky_pct":null,"overcast_pct":null},{"month":"September","month_number":9,"avg_temp_f":66.9,"avg_high_f":84.2,"avg_low_f":49.6,"precip_in":0.06,"snow_in":0,"heating_degree_days":32.8,"cooling_degree_days":89.8,"days_with_precip":0.6,"days_with_snow":0,"days_freezing":0,"days_90f_plus":7.8,"humidity_pct":null,"wind_speed_mph":null,"clear_sky_pct":null,"overcast_pct":null},{"month":"October","month_number":10,"avg_temp_f":60.8,"avg_high_f":76.1,"avg_low_f":45.5,"precip_in":0.79,"snow_in":0,"heating_degree_days":150.9,"cooling_degree_days":20.7,"days_with_precip":3,"days_with_snow":0,"days_freezing":0,"days_90f_plus":1.5,"humidity_pct":null,"wind_speed_mph":null,"clear_sky_pct":null,"overcast_pct":null},{"month":"November","month_number":11,"avg_temp_f":51.9,"avg_high_f":64.4,"avg_low_f":39.3,"precip_in":2.1,"snow_in":0,"heating_degree_days":394.8,"cooling_degree_days":0.4,"days_with_precip":7.1,"days_with_snow":0,"days_freezing":1.1,"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":45.6,"avg_high_f":56.5,"avg_low_f":34.8,"precip_in":3.81,"snow_in":0,"heating_degree_days":599.8,"cooling_degree_days":0,"days_with_precip":10.4,"days_with_snow":0,"days_freezing":7.4,"days_90f_plus":0,"humidity_pct":null,"wind_speed_mph":null,"clear_sky_pct":null,"overcast_pct":null}]}