{"metadata":{"title":"Twentynine Palms, CA Monthly Climate Normals","page_url":"https://plainclimate.com/city/twentynine-palms-ca","primary_station_id":"USC00049099","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, \"Twentynine Palms, CA Climate Normals\". https://plainclimate.com/city/twentynine-palms-ca","row_count":12},"annual_summary":{"city_slug":"twentynine-palms-ca","ann_tavg":70.3,"ann_tmax":83,"ann_tmin":57.6,"ann_prcp":3.87,"ann_snow":null,"ann_htdd":1511.4,"ann_cldd":3482.2,"frost_first":"12/10","frost_last":"01/24","growing_season":320,"warmest_month":7,"coldest_month":12,"wettest_month":8,"driest_month":6,"snowiest_month":null,"comfort_score":76},"data":[{"month":"January","month_number":1,"avg_temp_f":52.6,"avg_high_f":63.3,"avg_low_f":41.8,"precip_in":0.5,"snow_in":null,"heating_degree_days":387,"cooling_degree_days":1,"days_with_precip":3.9,"days_with_snow":null,"days_freezing":4.8,"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":55.7,"avg_high_f":67.2,"avg_low_f":44.1,"precip_in":0.56,"snow_in":null,"heating_degree_days":266.8,"cooling_degree_days":5.1,"days_with_precip":3.2,"days_with_snow":null,"days_freezing":2.4,"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":61.7,"avg_high_f":74.1,"avg_low_f":49.3,"precip_in":0.35,"snow_in":null,"heating_degree_days":143.1,"cooling_degree_days":40.8,"days_with_precip":2.3,"days_with_snow":null,"days_freezing":0.5,"days_90f_plus":1,"humidity_pct":null,"wind_speed_mph":null,"clear_sky_pct":null,"overcast_pct":null},{"month":"April","month_number":4,"avg_temp_f":67.8,"avg_high_f":81.1,"avg_low_f":54.5,"precip_in":0.12,"snow_in":null,"heating_degree_days":48.1,"cooling_degree_days":132.1,"days_with_precip":1,"days_with_snow":null,"days_freezing":0,"days_90f_plus":6.5,"humidity_pct":null,"wind_speed_mph":null,"clear_sky_pct":null,"overcast_pct":null},{"month":"May","month_number":5,"avg_temp_f":76.4,"avg_high_f":89.9,"avg_low_f":62.9,"precip_in":0.05,"snow_in":null,"heating_degree_days":6.5,"cooling_degree_days":359.9,"days_with_precip":0.6,"days_with_snow":null,"days_freezing":0,"days_90f_plus":19.2,"humidity_pct":null,"wind_speed_mph":null,"clear_sky_pct":null,"overcast_pct":null},{"month":"June","month_number":6,"avg_temp_f":85.1,"avg_high_f":99.4,"avg_low_f":70.7,"precip_in":0,"snow_in":null,"heating_degree_days":0.3,"cooling_degree_days":601.8,"days_with_precip":0.1,"days_with_snow":null,"days_freezing":0,"days_90f_plus":27.9,"humidity_pct":null,"wind_speed_mph":null,"clear_sky_pct":null,"overcast_pct":null},{"month":"July","month_number":7,"avg_temp_f":90.7,"avg_high_f":104,"avg_low_f":77.4,"precip_in":0.4,"snow_in":null,"heating_degree_days":0,"cooling_degree_days":796.6,"days_with_precip":1.7,"days_with_snow":null,"days_freezing":0,"days_90f_plus":30.9,"humidity_pct":null,"wind_speed_mph":null,"clear_sky_pct":null,"overcast_pct":null},{"month":"August","month_number":8,"avg_temp_f":89.6,"avg_high_f":102.7,"avg_low_f":76.4,"precip_in":0.65,"snow_in":null,"heating_degree_days":0,"cooling_degree_days":761,"days_with_precip":2.3,"days_with_snow":null,"days_freezing":0,"days_90f_plus":30.8,"humidity_pct":null,"wind_speed_mph":null,"clear_sky_pct":null,"overcast_pct":null},{"month":"September","month_number":9,"avg_temp_f":82.9,"avg_high_f":96.5,"avg_low_f":69.3,"precip_in":0.34,"snow_in":null,"heating_degree_days":0.1,"cooling_degree_days":537.1,"days_with_precip":1.7,"days_with_snow":null,"days_freezing":0,"days_90f_plus":26.8,"humidity_pct":null,"wind_speed_mph":null,"clear_sky_pct":null,"overcast_pct":null},{"month":"October","month_number":10,"avg_temp_f":71.2,"avg_high_f":84.7,"avg_low_f":57.8,"precip_in":0.15,"snow_in":null,"heating_degree_days":25.7,"cooling_degree_days":219.4,"days_with_precip":1.1,"days_with_snow":null,"days_freezing":0.2,"days_90f_plus":11.3,"humidity_pct":null,"wind_speed_mph":null,"clear_sky_pct":null,"overcast_pct":null},{"month":"November","month_number":11,"avg_temp_f":59.3,"avg_high_f":71.6,"avg_low_f":47,"precip_in":0.19,"snow_in":null,"heating_degree_days":198,"cooling_degree_days":27,"days_with_precip":1,"days_with_snow":null,"days_freezing":2.2,"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":50.9,"avg_high_f":62,"avg_low_f":39.9,"precip_in":0.56,"snow_in":null,"heating_degree_days":435.8,"cooling_degree_days":0.4,"days_with_precip":2.2,"days_with_snow":null,"days_freezing":6.4,"days_90f_plus":0,"humidity_pct":null,"wind_speed_mph":null,"clear_sky_pct":null,"overcast_pct":null}]}