{"metadata":{"title":"Tripoli, IA Monthly Climate Normals","page_url":"https://plainclimate.com/city/tripoli-ia","primary_station_id":"USC00138339","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, \"Tripoli, IA Climate Normals\". https://plainclimate.com/city/tripoli-ia","row_count":12},"annual_summary":{"city_slug":"tripoli-ia","ann_tavg":46.4,"ann_tmax":56.5,"ann_tmin":36.2,"ann_prcp":38.64,"ann_snow":null,"ann_htdd":7435.5,"ann_cldd":681.7,"frost_first":"10/09","frost_last":"04/29","growing_season":163,"warmest_month":7,"coldest_month":1,"wettest_month":6,"driest_month":2,"snowiest_month":null,"comfort_score":64},"data":[{"month":"January","month_number":1,"avg_temp_f":16.1,"avg_high_f":24.8,"avg_low_f":7.3,"precip_in":1.23,"snow_in":null,"heating_degree_days":1517.2,"cooling_degree_days":0,"days_with_precip":7.4,"days_with_snow":null,"days_freezing":30.8,"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":20.3,"avg_high_f":29.2,"avg_low_f":11.5,"precip_in":1.09,"snow_in":null,"heating_degree_days":1250.1,"cooling_degree_days":0,"days_with_precip":6.7,"days_with_snow":null,"days_freezing":27,"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":33.4,"avg_high_f":42.8,"avg_low_f":24,"precip_in":2,"snow_in":null,"heating_degree_days":980.2,"cooling_degree_days":0.5,"days_with_precip":8.4,"days_with_snow":null,"days_freezing":24.8,"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":46.6,"avg_high_f":57.6,"avg_low_f":35.6,"precip_in":3.93,"snow_in":null,"heating_degree_days":554.4,"cooling_degree_days":2.4,"days_with_precip":10.5,"days_with_snow":null,"days_freezing":11,"days_90f_plus":0,"humidity_pct":null,"wind_speed_mph":null,"clear_sky_pct":null,"overcast_pct":null},{"month":"May","month_number":5,"avg_temp_f":58.9,"avg_high_f":70,"avg_low_f":47.9,"precip_in":5.11,"snow_in":null,"heating_degree_days":229,"cooling_degree_days":41.4,"days_with_precip":12.2,"days_with_snow":null,"days_freezing":1,"days_90f_plus":0.6,"humidity_pct":null,"wind_speed_mph":null,"clear_sky_pct":null,"overcast_pct":null},{"month":"June","month_number":6,"avg_temp_f":69.1,"avg_high_f":79.6,"avg_low_f":58.6,"precip_in":6.03,"snow_in":null,"heating_degree_days":35.1,"cooling_degree_days":158,"days_with_precip":11.6,"days_with_snow":null,"days_freezing":0,"days_90f_plus":2.8,"humidity_pct":null,"wind_speed_mph":null,"clear_sky_pct":null,"overcast_pct":null},{"month":"July","month_number":7,"avg_temp_f":72.2,"avg_high_f":82.8,"avg_low_f":61.6,"precip_in":4.8,"snow_in":null,"heating_degree_days":8.4,"cooling_degree_days":231.5,"days_with_precip":8.8,"days_with_snow":null,"days_freezing":0,"days_90f_plus":4.1,"humidity_pct":null,"wind_speed_mph":null,"clear_sky_pct":null,"overcast_pct":null},{"month":"August","month_number":8,"avg_temp_f":69.9,"avg_high_f":80.9,"avg_low_f":59,"precip_in":4.29,"snow_in":null,"heating_degree_days":19,"cooling_degree_days":172.4,"days_with_precip":9,"days_with_snow":null,"days_freezing":0,"days_90f_plus":2.3,"humidity_pct":null,"wind_speed_mph":null,"clear_sky_pct":null,"overcast_pct":null},{"month":"September","month_number":9,"avg_temp_f":62.4,"avg_high_f":74.5,"avg_low_f":50.3,"precip_in":3.75,"snow_in":null,"heating_degree_days":145.7,"cooling_degree_days":67.6,"days_with_precip":8.7,"days_with_snow":null,"days_freezing":0.6,"days_90f_plus":1.1,"humidity_pct":null,"wind_speed_mph":null,"clear_sky_pct":null,"overcast_pct":null},{"month":"October","month_number":10,"avg_temp_f":49.6,"avg_high_f":61,"avg_low_f":38.2,"precip_in":2.96,"snow_in":null,"heating_degree_days":485.2,"cooling_degree_days":7.8,"days_with_precip":8.5,"days_with_snow":null,"days_freezing":9.5,"days_90f_plus":0.1,"humidity_pct":null,"wind_speed_mph":null,"clear_sky_pct":null,"overcast_pct":null},{"month":"November","month_number":11,"avg_temp_f":35,"avg_high_f":44.3,"avg_low_f":25.6,"precip_in":1.98,"snow_in":null,"heating_degree_days":901.5,"cooling_degree_days":0,"days_with_precip":6.8,"days_with_snow":null,"days_freezing":23,"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":22.7,"avg_high_f":30.9,"avg_low_f":14.6,"precip_in":1.47,"snow_in":null,"heating_degree_days":1309.7,"cooling_degree_days":0,"days_with_precip":7.4,"days_with_snow":null,"days_freezing":29.9,"days_90f_plus":0,"humidity_pct":null,"wind_speed_mph":null,"clear_sky_pct":null,"overcast_pct":null}]}