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Las Vegas, NV All-Time Weather Extremes

The most extreme temperature, precipitation, and snowfall ever recorded in Las Vegas, from NOAA daily weather observations.

Station: MCCARRAN INTL AP
All-time weather extremes for Las Vegas, NV, from NOAA daily observations at MCCARRAN INTL AP
Temperature
Record High120°F (49°C)July 7, 2024
Record Low10.9°F (-12°C)December 23, 1990
Lowest High30.9°F (-1°C)January 2, 1974
Highest Low95°F (35°C)July 19, 2005 and July 1, 2013
Highest Mean106.0°F (41°C)July 19, 2005 and July 10, 2024 and July 11, 2024
Lowest Mean21.9°F (-6°C)January 2, 1974
Precipitation
Max in One Calendar Day1.65" (41.9 mm)August 22, 2012
Max in One Month4.80" (122.0 mm)March 1992
Least in One Month0.00" (0.0 mm)November 2012
Max in One Year9.89" (251.1 mm)1992
Least in One Year1.28" (32.6 mm)1985
Snowfall
Max in One Calendar Day7.4" (18.8 cm)January 31, 1979
Max in One Month13.4" (34.0 cm)January 1974
Max in One Season13.4" (34.0 cm)1973-74
Max in One Year13.4" (34.0 cm)1974
Earliest Snow0.4" (1.0 cm)December 5, 1972
Earliest Measurable Snow0.4" (1.0 cm)December 5, 1972
Latest Snow0.1" (0.3 cm)March 3, 1976
Latest Measurable Snow0.1" (0.3 cm)March 3, 1976
Period of Record
TemperatureJanuary 1, 1970 – August 1, 2026
PrecipitationJanuary 1, 1970 – August 1, 2026
SnowfallJanuary 1, 1970 – August 1, 2026

Note: Records compiled from NOAA GHCN-Daily observations at MCCARRAN INTL AP (7 mi from Las Vegas, NV). Quality-flagged readings are excluded. Monthly and annual totals require substantially complete reporting for “least” records.

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Las Vegas, NV all-time weather extremes table — record high 120°F on July 7, 2024, record low 10.9°F on December 23, 1990, with precipitation and snowfall records from NOAA data

Frequently Asked Questions

What is the hottest temperature ever recorded in Las Vegas, NV?

The all-time record high in Las Vegas, NV is 120°F (49°C), set on July 7, 2024.

What is the coldest temperature ever recorded in Las Vegas, NV?

The all-time record low in Las Vegas, NV is 10.9°F (-12°C), set on December 23, 1990.

What is the most rain Las Vegas, NV has ever had in one day?

The most precipitation recorded in one calendar day near Las Vegas, NV is 1.65 inches, on August 22, 2012.

What is the biggest snowfall ever recorded in Las Vegas, NV?

The most snow recorded in one calendar day near Las Vegas, NV is 7.4 inches, on January 31, 1979.

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