The Year in Heat & Cold
1948
-1.67°F
ran -1.67°F cooler than the 1996–2025 average across 344 cities — the 52nd coldest of 157 years on record.
Coldest Day of 1948
-54.0°F
Bettles, AK · Nov 25
Hottest Day of 1948
118.0°F
Needles, CA · Jul 15
Daily Cold Records Set
1,429
calendar-day record lows set in 1948 that still stand today
Daily Heat Records Set
1,039
calendar-day record highs set in 1948 that still stand today
Where the Year Ran Warm & Cold
Each city's 1948 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 1948 — 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 1948
Florida+0.76°Northern Marianas+0.00°North Carolina-0.48°Georgia-0.54°Iowa-0.54°Virginia-0.60°
Coolest states of 1948
Alaska-4.37°Nevada-4.08°Utah-3.82°California-3.11°Washington-3.05°Arizona-2.96°