The Year in Heat & Cold
2008
-1.33°F
ran -1.33°F cooler than the 1996–2025 average across 386 cities — the 76th coldest of 157 years on record.
Coldest Day of 2008
-50.0°F
Bettles, AK · Feb 6
Hottest Day of 2008
124.0°F
Lake Havasu City, AZ · Jun 20
Daily Cold Records Set
584
calendar-day record lows set in 2008 that still stand today
Daily Heat Records Set
896
calendar-day record highs set in 2008 that still stand today
Where the Year Ran Warm & Cold
Each city's 2008 average temperature versus its 1996–2025 normal — blue where the year ran cool, red where it ran hot.
Hottest & Coldest at Every City
Each city's single hottest and coldest reading of 2008 — the number is the temperature, coloured hot-to-cold. Toggle between the two.
National temperature anomaly by month — red above the line is a warm month, blue below is cool.
Coolest Stations & States
Warmest states of 2008
Guam+0.07°Rhode Island-0.02°Delaware-0.11°District of Columbia-0.16°New Jersey-0.17°Connecticut-0.39°
Coolest states of 2008
Alaska-3.04°Iowa-2.97°Minnesota-2.76°South Dakota-2.53°Utah-2.47°Wisconsin-2.45°