Las Vegas Temperatures: Averages by Month

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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.

All the numbers are averages, based on climate data gathered from 1981 to 2010.

Average Las Vegas temperatures
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
Reference

National Climatic Data Center. NOAA's 1981-2010 Climate Normals.

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