{"chart":{"slug":"us-summer-temperature","title":"Are US summers getting hotter?","takeaway":"Summer 2026 (June to August) averaged 74.4°F across the contiguous US. The hottest summer since records began in 1895 was 2026, at 74.4°F; 1936, the Dust Bowl summer, averaged 74.0°F. Through 2026, the dashed trend line, the straight line that best fits every summer, rose about 0.14°F a decade over the whole record, and summers had warmed about 0.46°F a decade since 1970.","topic":"Climate","chart_type":"line","ranking":false,"x_label":"Year","y_label":"Average summer (June–August) temperature, °F (contiguous U.S.)","unit":null,"points_count":132,"source":{"name":"NOAA National Centers for Environmental Information, Climate at a Glance","url":"https://www.ncei.noaa.gov/access/monitoring/climate-at-a-glance/national/time-series"},"license":{"name":"Public domain (U.S. government work)","url":"https://www.usa.gov/government-copyright"},"data_as_of":"2026-08-31","updated_at":"2026-10-17T18:50:41.764Z","url":"https://chart.ly/charts/us-summer-temperature","api_url":"https://chart.ly/api/v1/charts/us-summer-temperature","csv_url":"https://chart.ly/charts/us-summer-temperature/data.csv","image_url":"https://chart.ly/charts/us-summer-temperature/image.png","embed_url":"https://chart.ly/charts/us-summer-temperature/embed","credit":"NOAA National Centers for Environmental Information, Climate at a Glance, via Chartly (https://chart.ly/charts/us-summer-temperature)","credit_html":"NOAA National Centers for Environmental Information, Climate at a Glance, via \u003ca 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to use with credit: wherever you show or quote a chart's data, name Chartly with a link to that chart's url (each chart's credit line does both) and credit its source as its license asks.","credit":"NOAA National Centers for Environmental Information, Climate at a Glance, via Chartly (https://chart.ly/charts/us-summer-temperature)"}