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July Weather in Las Vegas, United States

Last updated: June 24, 2025

In July, the average temperature in Las Vegas, United States hovers around 21°C (71°F). Expect a range where the minimum dips to 10°C (51°F) and the maximum can soar to 37°C (99°F). This month's precipitation totals about 64 mm (2.5 in) over 11 days, accompanied by an average humidity level of 56%. Enjoy the climate, but be prepared for the occasional shower!

July Temperature in Las Vegas

In July in Las Vegas, the average temperature is 21°C (71°F). Maximum temperatures can reach 37°C (99°F), while minimums can drop to as low as 10°C (51°F). Be prepared for warm days and cooler nights during your travels.

July Weather in Las Vegas: Daily Temperature Highs, Lows, and Averages

The chart illustrates July temperature patterns in Las Vegas, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends. In Las Vegas, July typically has an average temperature of 21°C (71°F), with highs reaching up to 37°C (99°F) and lows dropping to around 10°C (51°F).
JanFebMarAprMayJunJulAugSepOctNovDec323543505968716864514335
Data source: Temperature data for Las Vegas generated using information from the Copernicus Climate Change Service.
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The average of daily temperatures (24 hours) calculated across all days in the month.

July Precipitation in Las Vegas

In Las Vegas in July, the total precipitation amount is 64 mm (2.5 in) spread over 11 days.

July Precipitation Trends in Las Vegas

The chart displays monthly precipitation patterns in Las Vegas, with values for each month alongside July’s data, which is highlighted for easy comparison. It shows the amount of precipitation, providing insights into how July’s conditions compare to those of other months. In Las Vegas, July typically receives around 64 mm (2.5 inches) of precipitation spread over approximately 11 days.
JanFebMarAprMayJunJulAugSepOctNovDec262033354141648039551918
Data source: Precipitation data for July generated using information from the Copernicus Climate Change Service.
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July Humidity in Las Vegas

In Las Vegas in July, humidity is 56%. With an average temperature of 21°C (71°F), this humidity feels like a warm embrace, making it ideal for leisurely strolls and outdoor exploration, albeit with a slight stickiness that may encourage travelers to seek shade during the midday sun.

July Average Humidity in Las Vegas

This chart illustrates the average monthly humidity levels in Las Vegas, with July’s data highlighted for easy comparison. It shows the fluctuation in humidity throughout the year, helping you understand how conditions vary by season. In July, average humidity in Las Vegas is approximately 56%, offering insight into how humid the weather typically is during this month.
JanFebMarAprMayJunJulAugSepOctNovDec78%79%66%60%57%55%57%65%72%78%81%79%
Data source: Humidity data for July generated using information from the Copernicus Climate Change Service.

July UV Index in Las Vegas

In Las Vegas in July, the maximum UV index reaches 13, which corresponds to an extreme Exposure Category. With a time to burn of just 10 minutes, it's crucial to take protective measures. For detailed information, you can check the Hourly UV Index in Las Vegas.

Maximum UV Index Levels in Las Vegas for July

The chart shows the monthly maximum UV Index (UVI) for Las Vegas in July, representing the highest UV radiation level. The UVI measures the intensity of ultraviolet radiation from the sun, indicating the potential risk of sunburn and UV-related health issues. In July, the maximum UV index in Las Vegas typically reaches 13, which falls under the extreme exposure category.
JanFebMarAprMayJunJulAugSepOctNovDec579111213131211854
Data source: Las Vegas July UVI data generated using information from the Copernicus Climate Change Service.

UV Risk Categories

  •  Extreme (11+): Avoid the sun, stay in shade.
  •  Very High (8-10): Limit sun exposure.
  •  High (6-7): Use SPF 30+ and protective clothing.
  •  Moderate (3-5): Midday shade recommended.
  •  Low (0-2): No protection needed.

How July Weather in Las Vegas Compares to Other Months

Weather in Las Vegas varies notably across the year, with each month offering distinct climate conditions. This page compares July’s weather to other months in Las Vegas, focusing on differences in temperature, rainfall, humidity, and UV levels.

This table compares monthly weather conditions in Las Vegas, showing how July’s temperature, precipitation, humidity, and UV index levels differ from those of other months.
 TemperaturePrecipitationHumidityUV
January Weather0°C (32°F)26 mm (1.0 inches)78%moderate
February Weather1°C (35°F)20 mm (0.8 inches)79%high
March Weather6°C (43°F)33 mm (1.3 inches)66%very high
April Weather10°C (50°F)35 mm (1.4 inches)60%extreme
May Weather15°C (59°F)41 mm (1.6 inches)57%extreme
June Weather20°C (69°F)41 mm (1.6 inches)55%extreme
July Weather21°C (71°F)64 mm (2.5 inches)56%extreme
August Weather20°C (69°F)80 mm (3.1 inches)65%extreme
September Weather18°C (64°F)39 mm (1.6 inches)72%extreme
October Weather11°C (51°F)55 mm (2.2 inches)78%very high
November Weather6°C (43°F)19 mm (0.8 inches)81%moderate
December Weather2°C (35°F)18 mm (0.7 inches)79%moderate

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