August weather forecast
Spring Valley, NV

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Weather in August

August arrives with a slight reprieve as daytime temperatures slightly decrease but the humid weather persists. The night-time temperatures remain nearly identical to those of July, ranging from 78.4°F (25.8°C) to 97.3°F (36.3°C). The afternoon sun leaves no doubt that summer is still in session, with August sharing the title for the highest level of rainfall with July. The gentle winds provide little relief from the humidity. Overall, August stands as a testimony to warm, summer afternoons in Spring Valley.

Temperature

Spring Valley marks the onset of August with an average high-temperature of a still torrid 97.3°F (36.3°C), subtly divergent from July's 98.4°F (36.9°C). August nights experience a consistent temperature drop to a moderately hot 78.4°F (25.8°C).

Humidity

In Spring Valley, the average relative humidity in August is 21%.

Rainfall

The wettest months are July and August, with an average 0.55" (14mm) of rainfall.

Snowfall

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

Daylight

The average length of the day in August is 13h and 29min.
On the first day of the month, sunrise is at 5:48 am and sunset at 7:45 pm. On the last day of August, sunrise is at 6:12 am and sunset at 7:09 pm PDT.

Sunshine

With an average of 12.2h of sunshine, August has the most sunshine of the year.

UV index

The months with the highest UV index are June through August, with an average maximum UV index of 8. A UV Index reading of 8 to 10 represents a very high threat to health from unsafe exposure to UV radiation for the ordinary person.
Note: An average UV index of 8 in August transforms into this advice:
Always take safety measures. The skin and eyes are at risk if left exposed. Remember that the sun's UV radiation is strongest between 10 a.m. and 4 p.m. Make an effort to avoid direct sun exposure during these hours. A hat with a broad brim is indispensable, filtering out up to half of UV rays.
Updated: Jul 31, 2024
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate

Frequently asked questions

How hot does it get in August?

In Spring Valley, 97.3°F (36.3°C) is the average high-temperature and 78.4°F (25.8°C) is the average low-temperature during August.

What is the average humidity in August in Spring Valley?

The average relative humidity in August is 21%.

What is the wettest month?

The wettest months are July and August, with an average 0.55" (14mm) of rainfall.

How many days does it rain in August?

In Spring Valley, during August, the rain falls for 4.8 days and regularly aggregates up to 0.55" (14mm) of precipitation.

When it does not snow?

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

What is the average length of the day in August?

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

What time are sunrise and sunset in August?

In August, on the first day of the month, sunrise is at 5:48 am and sunset at 7:45 pm. On the last day of the month, sunrise is at 6:12 am and sunset at 7:09 pm PDT.

What month has the most sunshine?

August has the most sunshine of the year, with an average of 12.2h of sunshine.

How many hours of sunshine does Spring Valley have in August?

In August, the average sunshine duration is 12.2h.

What are the months with the highest UV index?

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

What is the UV index reading in August in Spring Valley?

In August, the average daily maximum UV index is 8. A UV Index estimate of 8 to 10 represents a very high health threat from exposure to the Sun's UV radiation.
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
Spring Valley, NV

Average temperature in August - Spring Valley, NV
  • Average high temperature in August: 97.3°F

The warmest month (with the highest average high temperature) is July (98.4°F).
The month with the lowest average high temperature is December (50.9°F).

  • Average low temperature in August: 78.4°F

The months with the highest average low temperature are July and August (78.4°F).
The coldest month (with the lowest average low temperature) is December (38.8°F).

Average pressure in August
Spring Valley, NV

Average pressure in August - Spring Valley, 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
Spring Valley, NV

Average wind speed in August - Spring Valley, NV
  • Average wind speed in August: 7.1mph

The windiest month (with the highest average wind speed) is April (8.8mph).
The calmest month (with the lowest average wind speed) is January (5.4mph).

Average humidity in August
Spring Valley, NV

Average humidity in August - Spring Valley, NV
  • Average humidity in August: 21%

The month with the highest relative humidity is January (47%).
The month with the lowest relative humidity is June (15%).

Average rainfall in August
Spring Valley, NV

Average rainfall in August - Spring Valley, NV
  • Average rainfall in August: 0.55"

The wettest months (with the highest rainfall) are July and August (0.55").
The driest month (with the least rainfall) is June (0.04").

Average rainfall days in August
Spring Valley, NV

Average rainfall days in August - Spring Valley, NV
  • Average rainfall days in August: 4.8 days

The month with the highest number of rainy days is July (6.1 days).
The month with the least rainy days is June (0.9 days).

Average snowfall in August
Spring Valley, NV

Average snowfall in August - Spring Valley, NV
  • Average snowfall in August: 0"

The month with the highest snowfall is February (0.24").
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
Spring Valley, NV

Average snowfall days in August - Spring Valley, NV
  • Average snowfall days in August: 0 days

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

Average daylight in August /
Average sunshine in August
Spring Valley, NV

Average daylight in August / Average sunshine in August - Spring Valley, 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 month with the most sunshine is August (Average sunshine: 12h and 12min).
The month with the least sunshine is December (Average sunshine: 7h and 0min).

Average sunshine days in August
Spring Valley, NV

Average sunshine days in August - Spring Valley, NV
  • Average sunshine days in August: 20.8 days

The month with the most sunshine days is June (27.6 days).
The month with the least sunshine days is July (18.7 days).

Average UV index in August
Spring Valley, NV

Average UV index in August - Spring Valley, 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 2).

Average cloud cover in August
Spring Valley, NV

Average cloud cover in August - Spring Valley, NV
  • Average cloud cover in August: 6

The months with the most cloud cover are January and December (Cloud cover 19).
The months with the least cloud cover are June and August (Cloud cover 6).

Average visibility in August
Spring Valley, NV

Average visibility in August - Spring Valley, 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).

Spring Valley, Nevada, USA

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