Halloween Extremes & Warming October Nights

Since 1970, fall temperatures in the U.S. have increased by 2.7°F on average, with October nights warming by 2.2°F. Analysis of 244 U.S. cities shows that 89% have experienced warming October nights, and 153 locations saw increases exceeding 2°F.

• Average fall temperatures across the United States have increased by 2.7°F since 1970, which can lead to extended wildfire smoke and allergy seasons and disrupt leaf-peeping.
• Between 1970 and 2022, October nights in the U.S. warmed by an average of 2.2°F. In a study of 244 cities, 216 (89%) showed warming trends, and 153 cities experienced warming of more than 2°F.

APA

Climate Central (2023). Halloween Extremes & Warming October Nights. https://www.climatecentral.org/climate-matters/halloween-extremes-and-warming-october-nights-2023

Chicago

Climate Central. Halloween Extremes & Warming October Nights. 2023. https://www.climatecentral.org/climate-matters/halloween-extremes-and-warming-october-nights-2023.

Wikipedia

{{cite report |author=Climate Central |title=Halloween Extremes & Warming October Nights |date=25 October 2023 |url=https://www.climatecentral.org/climate-matters/halloween-extremes-and-warming-october-nights-2023 |access-date=23 October 2026 |via=Climate Insights Directory}}

BibTeX

@techreport{climatecentral2023halloween, author = {{Climate Central}}, title = {{Halloween Extremes \& Warming October Nights}}, institution = {Climate Central}, year = {2023}, month = oct, url = {https://www.climatecentral.org/climate-matters/halloween-extremes-and-warming-october-nights-2023}, urldate = {2026-10-23}, note = {Indexed by Climate Insights Directory} }