1939

+0.17°F

ran +0.17°F warmer than the 1996–2025 average across 303 cities — the 139th coldest of 157 years on record.

Extremes

-51.0°F

Fairbanks, AK · Feb 6

119.0°F

Yuma, AZ · Jul 12

516

calendar-day record lows set in 1939 that still stand today

1,726

calendar-day record highs set in 1939 that still stand today

Each city's 1939 average temperature versus its 1996–2025 normal — blue where the year ran cool, red where it ran hot.

Each city's single hottest and coldest reading of 1939 — 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.

+2.73J

-2.36F

-0.59M

-1.16A

+1.04M

-0.46J

-0.33J

-0.43A

+1.28S

+0.47O

-1.28N

+2.44D

Warmest states of 1939

Nebraska+2.42°Kansas+2.28°Iowa+2.27°South Dakota+2.20°Montana+1.73°Oklahoma+1.63°

Coolest states of 1939

Vermont-4.03°Puerto Rico-3.43°Alaska-3.26°Utah-2.71°Arizona-2.40°Massachusetts-2.17°

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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