1930

-0.87°F

ran -0.87°F cooler than the 1996–2025 average across 283 cities — the 49th warmest of 157 years on record.

Extremes

115.0°F

Needles, CA · Jul 2

-51.0°F

Barrow, AK · Mar 11

1,533

calendar-day record highs set in 1930 that still stand today

1,098

calendar-day record lows set in 1930 that still stand today

Each city's 1930 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 1930 — 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.

-5.08J

+4.56F

-2.53M

+1.41A

-1.16M

-1.27J

+0.23J

-0.49A

+0.14S

-2.55O

-1.00N

-2.62D

Warmest states of 1930

Iowa+1.19°South Dakota+0.79°Illinois+0.77°Ohio+0.48°Nebraska+0.44°Maine+0.35°

Coolest states of 1930

Utah-5.02°New Mexico-3.85°Arizona-3.73°Alaska-2.89°Nevada-2.86°Puerto Rico-2.71°

Hottest Since · Browse all states · See where it's coldest → coldestsince.com
part of Weather Trader · supported by Substack Subscribers · data: NWS NDFD forecast + NOAA/ACIS ThreadEx records · updated 2026-07-12 22:52Z
© 2026 Weather Trader · All rights reserved