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How to read this: Curious America facts are source-linked editorial collections. They do not affect rankings, Fit, comparisons, or relocation recommendations.
Source-linked weather records
About these state records
California's record is 134°F, observed at Greenland Ranch on July 10, 1913. It is the most extreme all-time high temperature among the state records shown here.
Each state contributes a NOAA-recognized state maximum-temperature observation. These are individual historical observations, not statewide averages, seasonal norms, or a prediction of typical weather.
The three most extreme records in this map
1.California: 134°F, Greenland Ranch — July 10, 1913.
2.Arizona: 128°F, Lake Havasu City — June 29, 1994.
3.Nevada: 125°F, Laughlin — June 29, 1994.
NOAA's State Climate Extremes Committee reviews these state records. The map reflects the committee table reviewed by MoverMath on September 5, 2026; later reviews can revise a record.