Hottest Octobers in Delaware since 1895

Written by:
October 17, 2025
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Hottest Octobers in Delaware since 1895

In 2022, the continental United States experienced its , according to data from the National Oceanic and Atmospheric Administration, while 20 states saw one of their in the same month. The year prior, July marked the .

Climate change is driving rising temperatures and more record heat. The has climbed each decade since 1880 by about .14 degrees Fahrenheit, or roughly 2 degrees Fahrenheit total.

compiled a ranking of the hottest Octobers in Delaware since 1895 using data from the . Rankings are based on the highest average temperature in each month. For each of the hottest months listed below, we've included the average state temperature, state-wide highs and lows for the month, and the total precipitation.

#10. October 1990
- Average temperature: 60.8掳F
- Monthly high temperature: 71.6掳F
- Monthly low temperature: 49.9掳F
- Total precipitation: 2.64"

#9. October 2019
- Average temperature: 61.5掳F
- Monthly high temperature: 70.9掳F
- Monthly low temperature: 52.1掳F
- Total precipitation: 4.13"

#8. October 1947
- Average temperature: 61.6掳F
- Monthly high temperature: 72.9掳F
- Monthly low temperature: 50.2掳F
- Total precipitation: 1.67"

#7. October 1941
- Average temperature: 61.7掳F
- Monthly high temperature: 73.4掳F
- Monthly low temperature: 49.9掳F
- Total precipitation: 1.83"

#6. October 1984
- Average temperature: 61.8掳F
- Monthly high temperature: 70.9掳F
- Monthly low temperature: 52.6掳F
- Total precipitation: 2.66"

#5. October 1971
- Average temperature: 62.2掳F
- Monthly high temperature: 70掳F
- Monthly low temperature: 54.2掳F
- Total precipitation: 6.41"

#3. October 2017 (tie)
- Average temperature: 62.4掳F
- Monthly high temperature: 72.5掳F
- Monthly low temperature: 52.4掳F
- Total precipitation: 3.59"

#3. October 1919 (tie)
- Average temperature: 62.4掳F
- Monthly high temperature: 71.2掳F
- Monthly low temperature: 53.5掳F
- Total precipitation: 3.18"

#2. October 2021
- Average temperature: 63.2掳F
- Monthly high temperature: 72.5掳F
- Monthly low temperature: 53.8掳F
- Total precipitation: 3.47"

#1. October 2007
- Average temperature: 64.1掳F
- Monthly high temperature: 74.4掳F
- Monthly low temperature: 53.7掳F
- Total precipitation: 4.78"

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