#3. Sussex County

- Winter 2024 average temperature: 41.1 degrees Fahrenheit
- Historic average summer temperature: 35.8 degrees
-- 2024 difference from historic average: +5.3 degrees

#2. Kent County

- Winter 2024 average temperature: 39.7 degrees Fahrenheit
- Historic average summer temperature: 34.3 degrees
-- 2024 difference from historic average: +5.5 degrees

#1. New Castle County

- Winter 2024 average temperature: 38.5 degrees Fahrenheit
- Historic average summer temperature: 32.8 degrees
-- 2024 difference from historic average: +5.7 degrees

This story features data reporting by Wade Zhou, writing by Andrea Vale, and is part of a series utilizing data automation across 48 states.