Las Vegas Temperatures: Averages by Month





The numbers here tell you how hot and cold the weather usually is in Las Vegas, Nevada during each month of the year.

The average high and low temperatures are listed below by month and annually for Las Vegas, in both degrees Fahrenheit and Celsius.

Maximums and minimums are only part of the temperature picture. To fill in the rest, there's information on how many days a month get above or below a given temperature.

To find out how often it rises over 80, 90 or 100 °F each month in Las Vegas, scroll down farther. There are also monthly and yearly counts of nights with warm temperatures.

The first set of high and low temperatures are averages for 2010 to 2019. Everything else here is based on 1981 to 2010 weather.

10-year temperature averages for Las Vegas, 2010 to 2019
High °F Low °F   High °C Low °C
59 41 January 15 5
64 44 February 18 7
73 52 March 23 11
80 58 April 27 14
87 65 May 30 18
102 78 June 39 25
105 83 July 40 28
103 81 August 40 27
96 73 September 35 23
82 60 October 28 16
68 48 November 20 9
58 41 December 14 5
81 60 Year 27 16
30-year temperature averages for Las Vegas, 1981 to 2010
High °F Low °F   High °C Low °C
58 39 January 14 4
63 43 February 17 6
70 49 March 21 10
78 56 April 26 13
89 66 May 32 19
99 75 June 37 24
104 81 July 40 27
102 79 August 39 26
94 71 September 34 22
81 59 October 27 15
66 47 November 19 8
57 39 December 14 4
80 59 Year 27 15

Days of Hot Weather in Las Vegas

Summer days in Las Vegas get hot. From June to September, temperatures reach into the 90s nearly every day, and often climb above 100 °F.

Winters stay considerably cooler. While about half of winter days have temperatures above 60, the thermometer normally never reaches 80 this time of year.

Days per month in Las Vegas of at least 80, 90 or 100 °F
  80 °F
27 °C
90 °F
32 °C
100 °F
38 °C
January 0 0 0
February 0 0 0
March 4 0 0
April 14 3 0
May 26 15 3
June 30 26 15
July 31 30 25
August 31 30 21
September 29 22 6
October 18 4 0
November 1 0 0
December 0 0 0
Year 182 131 70

Number of Warm Nights a Month

From May to September in Las Vegas, nighttime temperatures stay above 50 °F. In July and August, the thermometer rarely dips below 70.

On about half of winter nights the temperature does drop below 40. Freezing weather in Las Vegas happens an average of eight nights a year.

Average number of days monthly in Las Vegas that stay above 50, 60 or 70 °F
  50 °F
10 °C
60 °F
16 °C
70 °F
21 °C
January 1 0 0
February 4 0 0
March 14 1 0
April 25 8 1
May 31 24 9
June 30 29 24
July 31 31 30
August 31 31 30
September 30 29 17
October 28 13 1
November 9 1 0
December 1 0 0
Year 234 167 111
References

Jay Lawrimore, Ron Ray, Scott Applequist, Bryant Korzeniewski, Matthew Menne. 2016. Global Summary of the Month and Year, Version 1.0. NOAA National Centers for Environmental Information.

NOAA National Centers for Environmental Information. 1981-2010 U.S. Climate Normals. (Data Access. FTP.)

Las Vegas Weather
Back to Top