Las Vegas (NV) monthly weather averages

What's the weather like in Las Vegas?

The climate of Las Vegas is classified as a hot desert climate, with hot dry summers and mild winters. The average high temperature in the summer is around 104°F (40°C), with temperatures occasionally reaching up to 115°F (46°C). The average high temperature in the winter is around 58°F (14°C), with lows around 37°F (3°C).

Average annual precipitation is 4.13 inches (105 mm), with most of it coming in the winter months. Snow can occur in the winter, but it is usually light and melts quickly. Las Vegas has an arid climate, which means that it has low humidity and generally clear skies.

The summer months can be quite hot and dry, with temperatures reaching up to 115°F (46°C). April through October are the months with the highest temperatures, with July and August being the hottest.

Average daytime temperature

The bar chart below shows the average monthly peak daytime temperatures at Las Vegas

Las Vegas average temperature chart (Celsius) Las Vegas average temperature chart (Fahrenheit)
Average monthly temperatures in Las Vegas (degrees centigrade and fahrenheit)
  Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec
°C 13.5 16.7 19.7 24.4 30.5 36.1 39.8 38.5 33.8 27.1 19 13.2
°F 56.4 62.1 67.4 75.9 86.9 97 103.7 101.4 92.8 80.8 66.2 55.8

Please note: these are the average peak daytime temperatures (usually around mid-afternoon) so do not show daytime / night highs and lows. To see the daily range of temperatures have a look at the temperature max / min chart below.

Average rainfall & rainy days

The graph below shows the average rainfall and number of rainy days per month.

Las Vegas monthly rainfall chart (mm) Las Vegas monthly rainfall chart (inches)
Average monthly rainfall in Las Vegas (mm and inches)
  Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec
mm 10 9 7 4 4 2 9 8 10 6 13 6
inches 0.4 0.4 0.3 0.1 0.2 0.1 0.4 0.3 0.4 0.2 0.5 0.2
Rainy days 3 3 3 2 2 1 2 3 2 2 2 3

Average annual rainfall in Las Vegas: 8.767mm (3.5 inches)

Average daily sunshine

The bar chart below shows the average daily sunshine hours in Las Vegas

Las Vegas average daily sunshine chart
Average daily sunshine Las Vegas
  Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec
Hrs sunshine 8.5 9.4 10.7 12.2 13.2 14.3 13.5 12.7 12 10.6 8.8 8.3

Day / night temperatures

The graph below shows the daily range of temperatures for each month.

Las Vegas average minimum / maximum temperatures (Celsius) Las Vegas average minimum / maximum temperatures (Fahrenheit)
Maximum and minimum daily temperatures in Las Vegas (degrees centigrade and fahrenheit)
  Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec
Min °C 0.6 3.8 6.2 10.3 15.8 20.5 24.6 23.9 18.5 11.9 5.7 0.7
Max °C 13.9 17.1 20 24.8 30.9 36.5 40.2 38.9 34.2 27.5 19.4 13.6
Min °F 33 38.8 43.2 50.5 60.4 68.9 76.3 75 65.2 53.4 42.2 33.2
Max °F 45 50.7 55.6 63.5 73.9 83.3 90.3 88.5 79.3 67.5 54.5 44.8

Sea temperature

The graph below shows the average sea temperature.

Las Vegas average sea temperature chart (Celsius) Las Vegas average sea temperature chart (Fahrenheit)
Average sea temperature around Las Vegas in degrees centigrade and fahrenheit
  Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec
°C 13 12.8 12.9 13 13.8 15.1 16.9 17.9 17.7 16.6 15.2 13.7
°F 55.4 55.1 55.2 55.4 56.9 59.3 62.4 64.2 63.8 62 59.3 56.7

Wind speed

The graph below shows the average wind speed.

Las Vegas average winspeed by month (km/h) Las Vegas average winspeed by month (mph)
Average wind speed in Las Vegas (mph and kmh)
  Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec
km/h 14 15 17 19 18 18 17 16 16 14 14 13
mph 9 9 11 12 11 11 11 10 10 9 9 8

A monthly average windspeed of over 16km/h or 10mph suggests a location is fairly windy.

Relative humidity

The graph below shows the average relative humidity.

Las Vegas relative humidity averages
Average relative humidity in Las Vegas
Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec
48% 43% 36% 28% 23% 19% 22% 27% 27% 31% 40% 48%