Scottsdale
Arizona, USA
Long-term weather forecast
Long-term weather forecast

August weather forecast and climate
Scottsdale, AZ

A scenic waterfront canal running through Scottsdale, Arizona
A scenic waterfront canal running through Scottsdale, Arizona
August, the last month of the summer, in Scottsdale, is another very hot month, with average temperature ranging between max 101.8°F (38.8°C) and min 84.4°F (29.1°C).

Temperature

In Scottsdale, the average high-temperature is almost the same as in July - a still torrid 101.8°F (38.8°C). In August, the average low-temperature is 84.4°F (29.1°C).

Humidity

In August, the average relative humidity in Scottsdale is 30%.

Rainfall

In August, the rain falls for 9.3 days. Throughout August, 0.94" (24mm) of precipitation is accumulated. In Scottsdale, during the entire year, the rain falls for 57.7 days and collects up to 7.72" (196mm) of precipitation.

Daylight

The average length of the day in August is 13.3h.

Sunshine

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

UV index

May through August, with an average maximum UV index of 8, are months with the highest UV index in Scottsdale. A UV Index reading of 8 to 10 represents a very high threat to health from unsafe exposure to the UV radiation for the ordinary person.
Note: In August, the average maximum UV index of 8 translate into the following recommendations:
Take extra precautions. Fair-skinned individuals may get burned in less than 10 minutes. 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. A wide-brim hat offers excellent sun protection for eyes, ears, face, and neck. Sunglasses with UVA and UVB protection significantly reduce eye damage from sun exposure. Tightly woven, loose-fitting clothes provide additional protection from the Sun.

What is the temperature in August in Scottsdale?

The average high-temperature, in August, in Scottsdale, Arizona, is 101.8°F (38.8°C), while the average low-temperature is 84.4°F (29.1°C).

What is the average humidity in August in Scottsdale?

In Scottsdale, Arizona, the average relative humidity in August is 30%.

How many days does it rain in August in Scottsdale?

In Scottsdale, in August, it is raining for 9.3 days, with typically 0.94" (24mm) of accumulated precipitation.

How many hours of daylight does Scottsdale have in August?

In August, the average length of the day in Scottsdale, Arizona, is 13.3h.

What is the month with the most sunshine in Scottsdale?

Months with the most sunshine in Scottsdale, Arizona, are June and August, with an average of 12.1h of sunshine.

How many hours of sunshine does Scottsdale have in August?

The average sunshine in August in Scottsdale, Arizona, is 12.1h.

When is the highest UV index in Scottsdale?

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

What is the UV index reading in August in Scottsdale?

In Scottsdale, Arizona, the average daily maximum UV index in August is 8. A UV Index value of 8 to 10 symbolizes a very high health risk from unsafe exposure to the Sun's UV rays.
Average temperature in August - Scottsdale, AZ
  • Average high temperature in August: 101.8°F

The warmest month (with the highest average high temperature) is July (102.6°F).
The month with the lowest average high temperature is December (62.8°F).

  • Average low temperature in August: 84.4°F

The month with the highest average low temperature is August (84.4°F).
The coldest month (with the lowest average low temperature) is January (46.9°F).

Average humidity in August - Scottsdale, AZ
  • Average humidity in August: 30%

The month with the highest relative humidity is December (44%).
The month with the lowest relative humidity is June (16%).

Average rainfall in August - Scottsdale, AZ
  • Average rainfall in August: 0.94"

The wettest month (with the highest rainfall) is July (1.14").
The driest month (with the lowest rainfall) is June (0.08").

Average rainfall days in August - Scottsdale, AZ
  • Average rainfall days in August: 9.3 days

The month with the highest number of rainy days is July (10.2 days).
The month with the lowest number of rainy days is June (1 days).

Average daylight in August / Average sunshine in August - Scottsdale, AZ
  • Average daylight in August: 13.3h

The month with the longest days is June (Average daylight: 14.4h).
The month with shortest days is December (Average daylight: 10h).

  • Average sunshine in August: 12.1h

Months with most sunshine are June and August (Average sunshine: 12.1h).
The month with least sunshine is December (Average sunshine: 6.8h).

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

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