Las Vegas NV Average Temperatures 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

Las Vegas Temperatures: Averages by Month

Days of Hot Weather in Las Vegas

Number of Warm Nights a Month

References

More on Weather in Nevada