← 1930All Years1932 →
1931 on the other records:HottestSinceWettestSinceDriestSince
The Year in Heat & Cold

1931

+0.78°F
ran +0.78°F warmer than the 1996–2025 average across 293 cities — the 148th coldest of 157 years on record.

Extremes

Coldest Day of 1931

-43.0°F
Barrow, AK · Feb 20

Hottest Day of 1931

120.0°F
Palm Springs, CA · Jul 5

Records Set in 1931

Daily Cold Records Set

527
calendar-day record lows set in 1931 that still stand today

Daily Heat Records Set

1,633
calendar-day record highs set in 1931 that still stand today

Where the Year Ran Warm & Cold

Each city's 1931 average temperature versus its 1996–2025 normal — blue where the year ran cool, red where it ran hot.
1931 U.S. temperature anomaly map

Hottest & Coldest at Every City

Each city's single hottest and coldest reading of 1931 — the number is the temperature, coloured hot-to-cold. Toggle between the two.
1931 — hottest and coldest temperature at each U.S. city

Month by Month

National temperature anomaly by month — red above the line is a warm month, blue below is cool.
+1.99J
+2.62F
-3.67M
-0.90A
-1.92M
+0.47J
+1.08J
-1.15A
+2.33S
+2.33O
+2.93N
+3.04D

Coolest Stations & States

Coolest Stations of 1931

1Barrow AK-5.95°F
2Salt Lake City UT-4.55°F
3Phoenix AZ-3.99°F
4Tucson AZ-3.70°F
5Riverside CA-3.62°F
6Yuma AZ-3.60°F
7Needles CA-3.29°F
8Del Rio TX-3.24°F
9Roswell NM-3.13°F
10Miami FL-2.97°F

Warmest Stations of 1931

1Aberdeen SD+6.07°F
2Eau Claire WI+5.94°F
3Dubuque IA+5.52°F
4Spencer IA+5.12°F
5Quincy IL+4.82°F
6Waterloo IA+4.70°F
7Cedar Rapids IA+4.68°F
8Bangor ME+4.61°F
9Rochester MN+4.47°F
10Sioux City IA+4.37°F

By State

Warmest states of 1931
Iowa+4.38°South Dakota+4.19°Minnesota+4.00°Wisconsin+3.46°Illinois+3.46°North Dakota+3.22°
Coolest states of 1931
Utah-4.55°Arizona-2.99°Alaska-2.21°New Mexico-2.11°Puerto Rico-1.96°Texas-1.29°
← 1930All Years1932 →
Coldest Since · Browse all states · See where it's hottest → hottestsince.com
part of Weather Trader · supported by Substack Subscribers · data: NWS NDFD forecast + NOAA/ACIS ThreadEx records · updated 2026-07-12 22:52Z
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