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 1991 to 2020 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, 1991 to 2020
High °F Low °F   High °C Low °C
59 41 January 15 5
63 44 February 17 7
71 51 March 22 10
79 57 April 26 14
89 66 May 31 19
99 76 June 37 24
105 82 July 40 28
103 81 August 39 27
95 72 September 35 22
81 60 October 27 15
67 47 November 20 9
57 40 December 14 4
81 60 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 °F, the thermometer seldom goes above 70 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 5 0 0
April 15 4 0
May 26 16 3
June 30 27 17
July 31 31 26
August 31 30 25
September 29 24 8
October 19 6 0
November 2 0 0
December 0 0 0
Year 188 137 78

Number of Warm Nights a Month

From May to October in Las Vegas, nighttime temperatures remain above 50 °F. In July and August, the thermometer normally doesn't dip below 70.

On about half of winter nights the temperature does drop below 40 °F (4 °C). Freezing weather in Las Vegas happens an average of ten nights a year.

Average number of nights for each month 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 3 0 0
March 14 2 0
April 24 8 1
May 30 23 8
June 30 29 23
July 31 31 31
August 31 31 30
September 30 29 17
October 28 12 1
November 8 0 0
December 1 0 0
Year 230 165 110
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 (NCEI). Climate Normals.

Las Vegas Weather
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