Counties with the coldest winters in Idaho
#24. Oneida County (tie)
- Winter 2024 average temperature: 29.7 degrees Fahrenheit
- Historic average summer temperature: 25.1 degrees
-- 2024 difference from historic average: +4.6 degrees
- Historic average summer temperature: 25.1 degrees
-- 2024 difference from historic average: +4.6 degrees
#24. Power County (tie)
- Winter 2024 average temperature: 29.7 degrees Fahrenheit
- Historic average summer temperature: 24.8 degrees
-- 2024 difference from historic average: +4.9 degrees
- Historic average summer temperature: 24.8 degrees
-- 2024 difference from historic average: +4.9 degrees
#23. Shoshone County
- Winter 2024 average temperature: 29.5 degrees Fahrenheit
- Historic average summer temperature: 25.5 degrees
-- 2024 difference from historic average: +4 degrees
- Historic average summer temperature: 25.5 degrees
-- 2024 difference from historic average: +4 degrees
#22. Bonner County
- Winter 2024 average temperature: 29.3 degrees Fahrenheit
- Historic average summer temperature: 25.5 degrees
-- 2024 difference from historic average: +3.8 degrees
- Historic average summer temperature: 25.5 degrees
-- 2024 difference from historic average: +3.8 degrees
#21. Bannock County
- Winter 2024 average temperature: 29.1 degrees Fahrenheit
- Historic average summer temperature: 24.3 degrees
-- 2024 difference from historic average: +4.8 degrees
- Historic average summer temperature: 24.3 degrees
-- 2024 difference from historic average: +4.8 degrees
#20. Idaho County
- Winter 2024 average temperature: 28.7 degrees Fahrenheit
- Historic average summer temperature: 24.5 degrees
-- 2024 difference from historic average: +4.2 degrees
- Historic average summer temperature: 24.5 degrees
-- 2024 difference from historic average: +4.2 degrees
#18. Adams County (tie)
- Winter 2024 average temperature: 28.5 degrees Fahrenheit
- Historic average summer temperature: 24.9 degrees
-- 2024 difference from historic average: +3.6 degrees
- Historic average summer temperature: 24.9 degrees
-- 2024 difference from historic average: +3.6 degrees
#18. Boise County (tie)
- Winter 2024 average temperature: 28.5 degrees Fahrenheit
- Historic average summer temperature: 24.6 degrees
-- 2024 difference from historic average: +3.9 degrees
- Historic average summer temperature: 24.6 degrees
-- 2024 difference from historic average: +3.9 degrees
#17. Franklin County
- Winter 2024 average temperature: 28.2 degrees Fahrenheit
- Historic average summer temperature: 23.0 degrees
-- 2024 difference from historic average: +5.2 degrees
- Historic average summer temperature: 23.0 degrees
-- 2024 difference from historic average: +5.2 degrees
#16. Bingham County
- Winter 2024 average temperature: 27.8 degrees Fahrenheit
- Historic average summer temperature: 22.3 degrees
-- 2024 difference from historic average: +5.4 degrees
- Historic average summer temperature: 22.3 degrees
-- 2024 difference from historic average: +5.4 degrees
#15. Boundary County
- Winter 2024 average temperature: 27.3 degrees Fahrenheit
- Historic average summer temperature: 23.1 degrees
-- 2024 difference from historic average: +4.2 degrees
- Historic average summer temperature: 23.1 degrees
-- 2024 difference from historic average: +4.2 degrees
#14. Madison County
- Winter 2024 average temperature: 26.7 degrees Fahrenheit
- Historic average summer temperature: 20.4 degrees
-- 2024 difference from historic average: +6.3 degrees
- Historic average summer temperature: 20.4 degrees
-- 2024 difference from historic average: +6.3 degrees
#13. Blaine County
- Winter 2024 average temperature: 26.5 degrees Fahrenheit
- Historic average summer temperature: 21.4 degrees
-- 2024 difference from historic average: +5.1 degrees
- Historic average summer temperature: 21.4 degrees
-- 2024 difference from historic average: +5.1 degrees
#12. Camas County
- Winter 2024 average temperature: 26.4 degrees Fahrenheit
- Historic average summer temperature: 21.5 degrees
-- 2024 difference from historic average: +4.9 degrees
- Historic average summer temperature: 21.5 degrees
-- 2024 difference from historic average: +4.9 degrees
#11. Caribou County
- Winter 2024 average temperature: 26.1 degrees Fahrenheit
- Historic average summer temperature: 21.8 degrees
-- 2024 difference from historic average: +4.2 degrees
- Historic average summer temperature: 21.8 degrees
-- 2024 difference from historic average: +4.2 degrees
#10. Bonneville County
- Winter 2024 average temperature: 26.0 degrees Fahrenheit
- Historic average summer temperature: 21.0 degrees
-- 2024 difference from historic average: +5 degrees
- Historic average summer temperature: 21.0 degrees
-- 2024 difference from historic average: +5 degrees
#9. Jefferson County
- Winter 2024 average temperature: 25.9 degrees Fahrenheit
- Historic average summer temperature: 19.0 degrees
-- 2024 difference from historic average: +6.9 degrees
- Historic average summer temperature: 19.0 degrees
-- 2024 difference from historic average: +6.9 degrees
#8. Butte County
- Winter 2024 average temperature: 24.9 degrees Fahrenheit
- Historic average summer temperature: 18.9 degrees
-- 2024 difference from historic average: +6 degrees
- Historic average summer temperature: 18.9 degrees
-- 2024 difference from historic average: +6 degrees
#6. Bear Lake County (tie)
- Winter 2024 average temperature: 24.6 degrees Fahrenheit
- Historic average summer temperature: 19.7 degrees
-- 2024 difference from historic average: +4.9 degrees
- Historic average summer temperature: 19.7 degrees
-- 2024 difference from historic average: +4.9 degrees
#6. Valley County (tie)
- Winter 2024 average temperature: 24.6 degrees Fahrenheit
- Historic average summer temperature: 21.2 degrees
-- 2024 difference from historic average: +3.4 degrees
- Historic average summer temperature: 21.2 degrees
-- 2024 difference from historic average: +3.4 degrees
#4. Lemhi County (tie)
- Winter 2024 average temperature: 24.1 degrees Fahrenheit
- Historic average summer temperature: 19.9 degrees
-- 2024 difference from historic average: +4.2 degrees
- Historic average summer temperature: 19.9 degrees
-- 2024 difference from historic average: +4.2 degrees
#4. Teton County (tie)
- Winter 2024 average temperature: 24.1 degrees Fahrenheit
- Historic average summer temperature: 18.9 degrees
-- 2024 difference from historic average: +5.2 degrees
- Historic average summer temperature: 18.9 degrees
-- 2024 difference from historic average: +5.2 degrees
#3. Custer County
- Winter 2024 average temperature: 23.7 degrees Fahrenheit
- Historic average summer temperature: 19.0 degrees
-- 2024 difference from historic average: +4.7 degrees
- Historic average summer temperature: 19.0 degrees
-- 2024 difference from historic average: +4.7 degrees
#2. Clark County
- Winter 2024 average temperature: 23.6 degrees Fahrenheit
- Historic average summer temperature: 18.2 degrees
-- 2024 difference from historic average: +5.4 degrees
- Historic average summer temperature: 18.2 degrees
-- 2024 difference from historic average: +5.4 degrees
#1. Fremont County
- Winter 2024 average temperature: 23.4 degrees Fahrenheit
- Historic average summer temperature: 17.8 degrees
-- 2024 difference from historic average: +5.6 degrees
- Historic average summer temperature: 17.8 degrees
-- 2024 difference from historic average: +5.6 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.
Leszek Glasner // Shutterstock