July 2025 on track to be coolest in Vegas in a decade

With a few days to go, July 2025 is on pace to be the “least hot” July in Las Vegas in the last 10 years. To be fair, July is typically the hottest mvonth of the year; this month’s average observed high temperature has been 103.9°.

The average temperature (which combines the daily high and low) at Harry Reid International Airport through July 29 was 92.5°, which is 0.9° below-average (based on our observed weather from 1991-2020). This is only the sixth time in the last 25 years that Las Vegas has enjoyed a below-average July.

It’s quite the contrast with July 2024, which was the hottest month in Las Vegas since records began in 1937. The average temperature that month was 99.9°, an impressive 6.5° above-average. Las Vegas also set a new all-time record of 120° on July 7, 2024. It’s worth noting that the ten hottest months in Las Vegas weather history have happened in the last 20 years…

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