August weather forecast
Santa Rosa, AZ

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Weather in August

August, the last month of the summer in Santa Rosa, is another torrid month, with an average temperature varying between 95.5°F (35.3°C) and 78.4°F (25.8°C).

Temperature

August ushers in an average high-temperature of a still torrid 95.5°F (35.3°C), aligning closely with the preceding month. The low-temperature average for Santa Rosa during August stands at a moderately hot 78.4°F (25.8°C).

Humidity

In August, the average relative humidity is 39%.

Rainfall

The month with the most rainfall is August, when the rain falls for 11 days and typically aggregates up to 1.38" (35mm) of precipitation.

Daylight

The average length of the day in August is 13h and 18min.
On the first day of August, sunrise is at 5:43 am and sunset at 7:25 pm. On the last day of the month, sunrise is at 6:03 am and sunset at 6:53 pm MST.

Sunshine

In August, the average sunshine in Santa Rosa is 11.8h.

UV index

July and August, with an average maximum UV index of 8, are months with the highest UV index. A UV Index of 8 to 10 symbolizes a very high threat to health from exposure to the Sun's UV radiation for the ordinary person.
Note: The daily maximum UV index of 8 in August interprets into the following advice:
Ensure you're protected; unprotected eyes and skin can get hurt in moments. Stay in the shade and avoid direct Sun exposure from 10 a.m. to 4 p.m., a time when UV radiation is at its strongest, and remember that parasols or canopies do not offer full protection. For excellent sun protection for the eyes, ears, face, and neck, consider a wide-brim hat.
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Frequently asked questions

How hot is it in Santa Rosa in August?

In Santa Rosa, 95.5°F (35.3°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 Santa Rosa?

In August, the average relative humidity is 39%.

What is the rainiest month in Santa Rosa?

The month with the most rainfall in Santa Rosa is August, when the rain falls for 11 days and typically aggregates up to 1.38" (35mm) of precipitation.

How much does it rain in Santa Rosa in August?

In Santa Rosa, during August, the rain falls for 11 days and regularly aggregates up to 1.38" (35mm) of precipitation.

What is the average length of the day in August in Santa Rosa?

The average day length in August in Santa Rosa is 13h and 18min.

When are sunrise and sunset in August in Santa Rosa?

On the first day of August, sunrise is at 5:43 am and sunset at 7:25 pm. On the last day of the month, sunrise is at 6:03 am and sunset at 6:53 pm MST.

How long on average sun shines in August in Santa Rosa?

In August, the average sunshine duration in Santa Rosa, Arizona, is 11.8h.

What is the month with the highest UV index in Santa Rosa?

July and August, with an average maximum UV index of 8, are months with the highest UV index in Santa Rosa, Arizona.

What is the UV index intensity in August in Santa Rosa?

In August, the average daily maximum UV index in Santa Rosa is 8. A UV Index estimate of 8 to 10 represents a very high hazard to health from exposure to Sun's UV rays.
Average humidity
Average rainfall days
Average daylight
Average sunshine
Average sunshine days
Average UV index
Average cloud cover
Average visibility

Average temperature in August
Santa Rosa, AZ

Average temperature in August - Santa Rosa, AZ
  • Average high temperature in August: 95.5°F

The warmest month (with the highest average high temperature) is June (97.3°F).
The month with the lowest average high temperature is December (62.4°F).

  • Average low temperature in August: 78.4°F

The month with the highest average low temperature is July (78.6°F).
The coldest month (with the lowest average low temperature) is December (45.5°F).

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Average pressure in August
Santa Rosa, AZ

Average pressure in August - Santa Rosa, AZ
  • Average pressure in August: 29.83"Hg

The month with the highest atmospheric pressure is January (30.06"Hg).
The month with the lowest atmospheric pressure is June (29.78"Hg).

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Average wind speed in August
Santa Rosa, AZ

Average wind speed in August - Santa Rosa, AZ
  • Average wind speed in August: 6.4mph

The windiest month (with the highest average wind speed) is May (9.3mph).
The calmest month (with the lowest average wind speed) is January (6.3mph).

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Average humidity in August
Santa Rosa, AZ

Average humidity in August - Santa Rosa, AZ
  • Average humidity in August: 39%

The month with the highest relative humidity is December (44%).
The month with the lowest relative humidity is June (20%).

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Average rainfall in August
Santa Rosa, AZ

Average rainfall in August - Santa Rosa, AZ
  • Average rainfall in August: 1.38"

The wettest month (with the highest rainfall) is August (1.38").
The driest month (with the least rainfall) is May (0.04").

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Average rainfall days in August
Santa Rosa, AZ

Average rainfall days in August - Santa Rosa, AZ
  • Average rainfall days in August: 11 days

The month with the highest number of rainy days is July (11.5 days).
The month with the least rainy days is May (1 days).

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Average daylight in August /
Average sunshine in August
Santa Rosa, AZ

Average daylight in August / Average sunshine in August - Santa Rosa, AZ
  • Average daylight in August: 13h and 2min

The month with the longest days is June (Average daylight: 14h and 12min).
The month with the shortest days is December (Average daylight: 10h and 6min).

  • Average sunshine in August: 11h and 5min

The month with the most sunshine is June (Average sunshine: 12h and 6min).
The month with the least sunshine is December (Average sunshine: 6h and 54min).

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Average sunshine days in August
Santa Rosa, AZ

Average sunshine days in August - Santa Rosa, AZ
  • Average sunshine days in August: 17.2 days

The month with the most sunshine days is May (29.8 days).
The month with the least sunshine days is August (17.2 days).

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Average UV index in August
Santa Rosa, AZ

Average UV index in August - Santa Rosa, AZ
  • Average UV index in August: 8

The months with the highest UV index are 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
Santa Rosa, AZ

Average cloud cover in August - Santa Rosa, AZ
  • Average cloud cover in August: 15

The month with the most cloud cover is December (Cloud cover 20).
The month with the least cloud cover is June (Cloud cover 6).

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Average visibility in August
Santa Rosa, AZ

Average visibility in August - Santa Rosa, AZ
  • 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).

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Santa Rosa, Arizona, USA

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