1948

-1.67°F

ran -1.67°F cooler than the 1996–2025 average across 344 cities — the 106th warmest of 157 years on record.

Extremes

118.0°F

Needles, CA · Jul 15

-54.0°F

Bettles, AK · Nov 25

1,039

calendar-day record highs set in 1948 that still stand today

1,429

calendar-day record lows set in 1948 that still stand today

Each city's 1948 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 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.

-4.38J

-3.18F

-2.94M

+1.08A

-1.64M

-1.20J

-1.53J

-1.42A

-0.98S

-2.08O

-0.10N

-1.41D

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°

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
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