The Year in Heat & Cold
1915
-1.61°F
ran -1.61°F cooler than the 1996–2025 average across 253 cities — the 100th warmest of 157 years on record.
Hottest Day of 1915
116.0°F
Yuma, AZ · Aug 19
Coldest Day of 1915
-47.0°F
Fairbanks, AK · Feb 16
Daily Heat Records Set
543
calendar-day record highs set in 1915 that still stand today
Daily Cold Records Set
770
calendar-day record lows set in 1915 that still stand today
Where the Year Ran Warm & Cold
Each city's 1915 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 1915 — 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.
Warmest Stations & States
Warmest states of 1915
Oregon+0.43°Washington+0.12°Alaska-0.09°New Hampshire-0.31°Montana-0.35°Mississippi-0.38°
Coolest states of 1915
Arizona-4.59°New Mexico-4.41°District of Columbia-3.71°Oklahoma-2.75°Wyoming-2.74°South Dakota-2.59°