August weather forecast
Henderson, NV

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A dramatic yellow and the grey sky is hung overhead in a small town in Henderson, Nevada, during a scenic sunset
A dramatic yellow and the grey sky is hung overhead in a small town in Henderson, Nevada, during a scenic sunset

Weather in August

August carries forward July's heat, though with a slight dip in temperatures. The highest temperature drops slightly from July's extreme to a still sweltering 100°F (37.8°C), while the nights remain warm at around 81.1°F (27.3°C). The gusty winds and low cloud cover contribute to the overall hot climate. As the summer's end draws nearer, Henderson experiences a continued trend of hot, dry days interspersed with warm, breezy nights. The populace adapts, waiting patiently for the impending relief from the ruthless sun.

Temperature

In August, the average high-temperature in Henderson registers at a still sweltering 100°F (37.8°C), nearly identical to July's 101.1°F (38.4°C). The month of August records an average low-temperature of 81.1°F (27.3°C) in Henderson.

Humidity

In August, the average relative humidity in Henderson is 20%.

Rainfall

In August, in Henderson, Nevada, the rain falls for 2.7 days. Throughout August, 0.24" (6mm) of precipitation is accumulated. Throughout the year, there are 37 rainfall days, and 3.43" (87mm) of precipitation is accumulated.

Snowfall

In Henderson, snow does not fall in January, March through December.

Daylight

In August, the average length of the day in Henderson is 13h and 29min.
On the first day of the month, sunrise is at 5:47 am and sunset at 7:44 pm. On the last day of August, in Henderson, sunrise is at 6:11 am and sunset at 7:08 pm PDT.

Sunshine

The months with the most sunshine in Henderson are June and August, with an average of 12.1h of sunshine.

UV index

June through August, with an average maximum UV index of 8, are months with the highest UV index. A UV Index reading of 8 to 10 represents a very high health vulnerability from exposure to the Sun's UV rays for ordinary individuals.
Note: In August, the maximum UV index of 8 suggests these recommendations:
Always take precautions; unprotected eyes and skin can be damaged rapidly. Make an effort to avoid direct sun exposure between 10 a.m. and 4 p.m., the peak period for UV radiation, and note that objects like parasols or canopies might not offer full sun protection. For effective sun eye protection, rely on sunglasses certified for UVA and UVB resistance.

Frequently asked questions

How hot is it in Henderson in August?

The high-temperature in Henderson, Nevada, during August is 100°F (37.8°C) and the low-temperature is 81.1°F (27.3°C).

What is the average humidity in August in Henderson?

In August, the average relative humidity in Henderson is 20%.

How many days does it rain in August in Henderson?

In Henderson, Nevada, during August, the rain falls for 2.7 days and regularly aggregates up to 0.24" (6mm) of precipitation.

When it does not snow in Henderson?

January, March through December are months without snowfall.

How many hours of daylight does Henderson have in August?

In Henderson, the average day length in August is 13h and 29min.

When are sunrise and sunset in August in Henderson?

On the first day of August, sunrise is at 5:47 am and sunset at 7:44 pm. On the last day of the month, sunrise is at 6:11 am and sunset at 7:08 pm PDT.

What is the month with the most sunshine in Henderson?

June and August, with an average of 12.1h of sunshine, are months with the most sunshine.

How many hours of sunshine does Henderson have in August?

The average sunshine duration in August is 12.1h.

When is the highest UV index in Henderson?

The months with the highest UV index in Henderson, Nevada, are June through August, with an average maximum UV index of 8.

What is the UV index reading in August in Henderson?

In Henderson, Nevada, the average daily maximum UV index in August is 8. A UV Index of 8 to 10 symbolizes a very high health threat from unsafe exposure to Sun's UV rays.
Average humidity
Average rainfall days
Average snowfall
Average snowfall days
Average daylight
Average sunshine
Average sunshine days
Average UV index
Average cloud cover
Average visibility

Average temperature in August
Henderson, NV

Average temperature in August - Henderson, NV
  • Average high temperature in August: 100°F

The warmest month (with the highest average high temperature) is July (101.1°F).
The month with the lowest average high temperature is December (53.1°F).

  • Average low temperature in August: 81.1°F

The month with the highest average low temperature is July (81.5°F).
The coldest month (with the lowest average low temperature) is December (40.1°F).

Average pressure in August
Henderson, NV

Average pressure in August - Henderson, NV
  • Average pressure in August: 29.83"Hg

The month with the highest atmospheric pressure is January (30.14"Hg).
The month with the lowest atmospheric pressure is June (29.76"Hg).

Average wind speed in August
Henderson, NV

Average wind speed in August - Henderson, NV
  • Average wind speed in August: 7.6mph

The windiest months (with the highest average wind speed) are April and June (9.3mph).
The calmest month (with the lowest average wind speed) is January (5.7mph).

Average humidity in August
Henderson, NV

Average humidity in August - Henderson, NV
  • Average humidity in August: 20%

The month with the highest relative humidity is January (45%).
The month with the lowest relative humidity is June (14%).

Average rainfall in August
Henderson, NV

Average rainfall in August - Henderson, NV
  • Average rainfall in August: 0.24"

The wettest month (with the highest rainfall) is February (0.55").
The driest month (with the least rainfall) is June (0").

Average rainfall days in August
Henderson, NV

Average rainfall days in August - Henderson, NV
  • Average rainfall days in August: 2.7 days

The month with the highest number of rainy days is March (5.3 days).
The month with the least rainy days is June (0.6 days).

Average snowfall in August
Henderson, NV

Average snowfall in August - Henderson, NV
  • Average snowfall in August: 0"

The month with the highest snowfall is February (0.16").
The months with the least snowfall are January, March, April, May, June, July, August, September, October, November and December (0").

Average snowfall days in August
Henderson, NV

Average snowfall days in August - Henderson, NV
  • Average snowfall days in August: 0 days

The month with the highest number of snowfall days is January (0.3 days).
The months with the least snowfall days are March, April, May, June, July, August, September, October, November and December (0 days).

Average daylight in August /
Average sunshine in August
Henderson, NV

Average daylight in August / Average sunshine in August - Henderson, NV
  • Average daylight in August: 13h and 3min

The month with the longest days is June (Average daylight: 14h and 36min).
The month with the shortest days is December (Average daylight: 9h and 48min).

  • Average sunshine in August: 12h and 1min

The months with the most sunshine are June and August (Average sunshine: 12h and 6min).
The months with the least sunshine are January and December (Average sunshine: 7h and 0min).

Average sunshine days in August
Henderson, NV

Average sunshine days in August - Henderson, NV
  • Average sunshine days in August: 26.4 days

The month with the most sunshine days is June (29.1 days).
The month with the least sunshine days is February (23 days).

Average UV index in August
Henderson, NV

Average UV index in August - Henderson, NV
  • Average UV index in August: 8

The months with the highest UV index are June, July and August (UV index 8).
The month with the lowest UV index is December (UV index 3).

Average cloud cover in August
Henderson, NV

Average cloud cover in August - Henderson, NV
  • Average cloud cover in August: 6

The month with the most cloud cover is December (Cloud cover 20).
The months with the least cloud cover are June, August and September (Cloud cover 6).

Average visibility in August
Henderson, NV

Average visibility in August - Henderson, NV
  • Average visibility in August: 6mi

The months with the highest visibility are January, February, March, April, May, June, July, August, September, October, November and December (6mi).
The months with the lowest visibility are January, February, March, April, May, June, July, August, September, October, November and December (6mi).

Henderson, Nevada, USA

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