Weather in Clark County

Calculated from weather data of Harry Reid International Airport (KLAS) between 2020 and 2024.

Maximum temperatures (°F)

Month	Average	2024	2023	2022	2021	2020
January	59.0	58.0	54.0	60.0	59.0	60.0
February	63.0	61.0	60.0	65.0	65.0	66.0
March	70.0	67.0	64.0	74.0	68.0	67.0
April	82.0		81.0	83.0	83.0	80.0
May	89.0		89.0	90.0	91.0	93.0
June	101.0		94.0	102.0	104.0	99.0
July	106.0		109.0	104.0	106.0	106.0
August	104.0		100.0	100.0	104.0	107.0
September	96.0		94.0	98.0	97.0	99.0
October	82.0		83.0	83.0	78.0	88.0
November	69.0		69.0	62.0	74.0	69.0
December	59.0		62.0	55.0	58.0	59.0
Average	79.0	62.0	80.0	82.0	82.0	83.0

Average highest temperature per day

The maximum temperature is typically observed some hours after noon.

Minimum temperatures (°F)

Month	Average	2024	2023	2022	2021	2020
January	42.0	42	40	40	41	42
February	44.0	45	40	43	46	44
March	51.0	50	47	52	49	51
April	60.0		57	59	61	60
May	67.0		68	67	68	70
June	78.0		73	79	82	76
July	85.0		87	83	85	84
August	83.0		80	83	83	85
September	75.0		72	76	76	75
October	61.0		61	64	58	63
November	50.0		50	44	54	49
December	42.0		45	39	43	39
Average	60.0	46.0	60.0	61.0	62.0	61.0

Average lowest temperature per day

The minimum temperature is typically observed just before sunrise.

Cold and hot days

Number of days	2024	2023	2022	2021	2020
86 °F or warmer	0	163	174	156	172
77 °F or warmer	0	195	207	207	204
68 °F or warmer	17	236	254	260	243
32 °F or colder	1	1	3	0	1

Precipitation (%)

Month	Average	2024	2023	2022	2021	2020
January	3.6	4	7	0	2	0
February	3.4	11	2	0	1	0
March	2.3	4	4	0	2	2
April	0.3		0	0	0	1
May	0.2		0	0	0	0
June	0.1		1	0	0	0
July	0.4		0	0	1	0
August	0.5		2	1	0	0
September	0.2		1	1	0	0
October	0.3		0	0	2	0
November	0.7		0	1	0	0
December	1.6		1	2	3	1
Average	1.6	6.3	1.3	0.4	0.8	0.4

Precipitation during daylight period

Percentage of observations with observed rain, drizzle, snow or hail. Only observations between sunrise and sunset are taken into account.

Wind speed (miles per hour)

Month	Average	2024	2023	2022	2021	2020
January	5.8	6	8	5	6	5
February	7.6	6	9	8	8	7
March	8.9	10	10	8	9	9
April	8.9		9	10	8	7
May	8.1		8	9	8	9
June	7.8		7	8	8	8
July	6.6		7	7	6	7
August	6.6		7	5	7	7
September	6.6		6	6	7	6
October	6.2		6	5	7	5
November	5.8		6	7	5	5
December	5.0		4	5	6	5
Average	7.1	7.4	7.2	7.1	6.9	6.7

Average wind speed

Excluding wind gusts. Only observations between sunrise and sunset are taken into account.

Prevailing wind direction

Month	2024	2023	2022	2021	2020
January	N	N	NE	NE	NE
February	SW	NW	N	N	NE
March	SW	SW	N	W	SW
April		NE	SW	W	NE
May		S	SW	SW	SW
June		S	SW	S	S
July		S	S	SE	S
August		S	SE	S	S
September		E	SE	S	NE
October		NE	NE	S	NE
November		N	NE	NE	NW
December		NE	E	S	NE

Prevailing wind direction

Average wind direction, weighed by wind speed. Only observations between sunrise and sunset are taken into account.

Clark County weather Q&A

What is the warmest month in Clark County?

The warmest month is July with an average temperature of 106 °F over the past years.

What is the coldest month in Clark County?

The coldest month is January with an average daytime temperature of 59 °F in the past few years.

Which month is the wettest in Clark County?

Chance of precipitation is the highest in January with a probability of around 3.6 %.

Which month is the driest in Clark County?

The least rainfall and snow can be expected in June. The probability is about 0.2 %.