July weather forecast and climate
Las Vegas, NV

A night aerial view of the Las Vegas strip in Nevada, USA
A night aerial view of the Las Vegas strip in Nevada, USA
July is the hottest month in Las Vegas, and the average highs are at an extreme 104°F (40°C). The rain is sporadic, but there are occasional thunderstorms with heavy spells of rain in the space of a few days. Early mornings and late evenings are better periods to venture out, while there is no dearth of indoor activities during the rest of the day.
Spots in indoor swimming pools are hard to find by in the roasting heat, and nowhere are the air conditioners as mandatory as in Vegas.
July is a nice time to visit the Mandalay Bay Aquarium with a host of shark species.
Average temperature in July - Las Vegas, NV
  • Average high temperature in July: 104.2°F

The warmest month (with the highest average high temperature) is July (104.2°F).
The month with the lowest average high temperature is December (56.6°F).

  • Average low temperature in July: 80.9°F

The month with the highest average low temperature is July (80.9°F).
The coldest month (with the lowest average low temperature) is December (38.7°F).

Average humidity in July - Las Vegas, NV
  • Average humidity in July: 21.1%

The month with the highest relative humidity is January (45.1%).
The month with the lowest relative humidity is June (16.5%).

Average rainfall in July - Las Vegas, NV
  • Average rainfall in July: 0.4"

The wettest month (with the highest rainfall) is February (0.8").
Driest months (with the lowest rainfall) are May and June (0.1").

Average rainfall days in July - Las Vegas, NV
  • Average rainfall days in July: 2.5 days

The month with the highest number of rainy days is February (4 days).
The month with the lowest number of rainy days is June (0.6 days).

Average daylight in July / Average sunshine in July - Las Vegas, NV
  • Average daylight in July: 14.3h

The month with the longest days is June (Average daylight: 14.6h).
The month with shortest days is December (Average daylight: 9.7h).

  • Average sunshine in July: 12.6h

The month with most sunshine is June (Average sunshine: 13.4h).
The month with least sunshine is December (Average sunshine: 7.6h).

Average UV index in July - Las Vegas, NV
  • Average UV index in July: 11

The month with the highest UV index is July (UV index 11).
The month with the lowest UV index is December (UV index 2).

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