August weather forecast and climate
Riviera, AZ

Weather in August

The last month of the summer, August, is also a sweltering month in Riviera, Arizona, with average temperature varying between 100°F (37.8°C) and 81.5°F (27.5°C).

Temperature

In Riviera, the average high-temperature is relatively the same as in July - a still very hot 100°F (37.8°C). In Riviera, the average low-temperature is 81.5°F (27.5°C).

Humidity

In August, the average relative humidity is 24%.

Rainfall

In Riviera, Arizona, during 4.2 rainfall days, 0.31" (8mm) of precipitation is typically accumulated. In Riviera, during the entire year, the rain falls for 44 days and collects up to 4.21" (107mm) of precipitation.

Snowfall

In Riviera snow does not fall in January through November.

Daylight

The average length of the day in August is 13.4h.

Sunshine

In Riviera, the average sunshine is 11.2h.

UV index

June through August, with an average maximum UV index of 8, are months with the highest UV index. A UV Index value of 8 to 10 symbolizes a very high health hazard from the exposure to the Sun's UV radiation for ordinary individuals.
Note: The average daily UV index of 8 transform into the following instructions:
Take special precautions, as unprotected skin can be damaged and can burn quickly. The Sun's UV radiation is most powerful between 10 a.m. and 4 p.m. To the extent possible, limit exposure to the direct sun during these hours. On bright days sunglasses that block both UVA and UVB rays should be worn. A hat with a wide brim is extremely helpful, as it can prevent roughly 50% of UV radiation from reaching the eyes.
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FAQ

What is the temperature in August in Riviera?

In Riviera, Arizona, in August, the average high-temperature is 100°F (37.8°C), and the average low-temperature is 81.5°F (27.5°C).

What is the average humidity in August in Riviera?

In August, the average relative humidity is 24%.

How much does it rain in Riviera in August?

In Riviera, Arizona, in August, it is raining for 4.2 days, with typically 0.31" (8mm) of accumulated precipitation.

When it does not snow in Riviera?

January through November are months without snowfall in Riviera, Arizona.

What is the average length of the day in August in Riviera?

In August, the average length of the day in Riviera, Arizona, is 13.4h.

How long on average sun shines in August in Riviera?

In August, the average sunshine in Riviera, Arizona, is 11.2h.

When is the highest UV index in Riviera?

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

What is the UV index intensity in August in Riviera?

In August, the average daily maximum UV index in Riviera, Arizona, is 8. A UV Index reading of 8 to 10 represents a very high hazard to health from the exposure to the Sun's UV rays.

Average temperature in August
Riviera, AZ

Average temperature in August - Riviera, AZ
  • Average high temperature in August: 100°F

The warmest month (with the highest average high temperature) is July (100.8°F).
The month with the lowest average high temperature is December (56.3°F).

  • Average low temperature in August: 81.5°F

The month with the highest average low temperature is August (81.5°F).
The coldest month (with the lowest average low temperature) is December (43.5°F).

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Average pressure in August
Riviera, AZ

Average pressure in August - Riviera, AZ
  • Average pressure in August: 29.82"

The month with the highest atmospheric pressure is January (30.11").
The month with the lowest atmospheric pressure is June (29.76").

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Average wind speed in August
Riviera, AZ

Average wind speed in August - Riviera, AZ
  • Average wind speed in August: 8.6mph

The windiest month (with the highest average wind speed) is April (10.1mph).
The calmest month (with the lowest average wind speed) is September (7.6mph).

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Average humidity in August
Riviera, AZ

Average humidity in August - Riviera, AZ
  • Average humidity in August: 24%

The month with the highest relative humidity is January (42%).
The month with the lowest relative humidity is June (14%).

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Average rainfall in August
Riviera, AZ

Average rainfall in August - Riviera, AZ
  • Average rainfall in August: 0.31"

The wettest month (with the highest rainfall) is December (0.67").
The driest month (with the least rainfall) is June (0.04").

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Average rainfall days in August
Riviera, AZ

Average rainfall days in August - Riviera, AZ
  • Average rainfall days in August: 4.2 days

The month with the highest number of rainy days is July (5.9 days).
The month with the least rainy days is June (1.1 days).

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Average snowfall days in August
Riviera, AZ

Average snowfall days in August - Riviera, AZ
  • Average snowfall days in August: 0 days

The month with the highest number of snowfall days is December (0.1 days).
Months with the least snowfall days are January, February, March, April, May, June, July, August, September, October and November (0 days).

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Average daylight in August /
Average sunshine in August
Riviera, AZ

Average daylight in August / Average sunshine in August - Riviera, AZ
  • Average daylight in August: 13.4h

The month with the longest days is June (Average daylight: 14.5h).
The month with the shortest days is December (Average daylight: 9.8h).

  • Average sunshine in August: 11.2h

Months with the most sunshine are June and July (Average sunshine: 12.1h).
The month with the least sunshine is December (Average sunshine: 7h).

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Average sunshine days in August
Riviera, AZ

Average sunshine days in August - Riviera, AZ
  • Average sunshine days in August: 22.1 days

The month with the most sunshine days is June (28.3 days).
The month with the least sunshine days is July (20.3 days).

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Average UV index in August
Riviera, AZ

Average UV index in August - Riviera, AZ
  • Average UV index in August: 8

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).

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Average cloud cover in August
Riviera, AZ

Average cloud cover in August - Riviera, AZ
  • Average cloud cover in August: 6

The month with the most cloud cover is December (Cloud cover 19).
The month with the least cloud cover is June (Cloud cover 5).

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Average visibility in August
Riviera, AZ

Average visibility in August - Riviera, AZ
  • Average visibility in August: 6mi

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

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