August weather forecast
Swansea, AZ

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Weather in August

The last month of the summer, August, is another torrid month in Swansea, Arizona, with an average temperature varying between 103.6°F (39.8°C) and 85.6°F (29.8°C).

Temperature

Swansea indicates an average high-temperature of a torrid 103.6°F (39.8°C) in August, showing minor variation from July's 104.2°F (40.1°C). During August, an average low-temperature of 85.6°F (29.8°C) is observed.

Humidity

The average relative humidity in August is 25%.

Rainfall

In Swansea, during August, the rain falls for 6 days and regularly aggregates up to 0.55" (14mm) of precipitation. Throughout the year, there are 39.4 rainfall days, and 3.9" (99mm) of precipitation is accumulated.

Daylight

In August, the average length of the day is 13h and 23min.
On the first day of August, sunrise is at 5:47 am and sunset at 7:36 pm. On the last day of the month, sunrise is at 6:08 am and sunset at 7:02 pm MST.

Sunshine

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

UV index

In August, the average daily maximum UV index is 8. A UV Index estimate of 8 to 10 represents a very high threat to health from exposure to the Sun's UV radiation for the average person.
Note: The UV index of 8 during August translates into the following guidance:
It is essential to prioritize protection. Unprotected skin and eyes can suffer rapid harm. Be aware that the sun's UV radiation is strongest between 10 a.m. and 4 p.m. and try to reduce direct sun exposure during this period as much as possible. Your best bet for sun defense on the face, eyes, and neck is a hat with a wide brim.
Updated: Aug 29, 2024
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate

Frequently asked questions

How hot does it get in August?

The average high-temperature, in August, in Swansea, is 103.6°F (39.8°C), while the average low-temperature is 85.6°F (29.8°C).

What is the average humidity in August?

In August, the average relative humidity is 25%.

How many days does it rain in August?

In August, the rain falls for 6 days. Throughout August, 0.55" (14mm) of precipitation is accumulated.

What is the average length of the day in August?

In August, the average day length is 13h and 23min.

When is the sunrise / sunset in August?

In August, on the first day of the month, sunrise is at 5:47 am and sunset at 7:36 pm. On the last day of the month, sunrise is at 6:08 am and sunset at 7:02 pm MST.

How long on average sun shines in August in Swansea?

In August, the average sunshine duration is 11.2h.

How high is the UV index in August?

In August, the average daily maximum UV index 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
Swansea, AZ

Average temperature in August - Swansea, AZ
  • Average high temperature in August: 103.6°F

The warmest month (with the highest average high temperature) is July (104.2°F).
The month with the lowest average high temperature is December (61.2°F).

  • Average low temperature in August: 85.6°F

The month with the highest average low temperature is August (85.6°F).
The coldest month (with the lowest average low temperature) is December (47.1°F).

Average pressure in August
Swansea, AZ

Average pressure in August - Swansea, AZ
  • Average pressure in August: 29.79"Hg

The month with the highest atmospheric pressure is January (30.09"Hg).
The month with the lowest atmospheric pressure is June (29.74"Hg).

Average wind speed in August
Swansea, AZ

Average wind speed in August - Swansea, AZ
  • Average wind speed in August: 7.4mph

The windiest month (with the highest average wind speed) is April (8.5mph).
The calmest month (with the lowest average wind speed) is November (5.8mph).

Average humidity in August
Swansea, AZ

Average humidity in August - Swansea, AZ
  • Average humidity in August: 25%

The months with the highest relative humidity are January and December (39%).
The month with the lowest relative humidity is June (15%).

Average rainfall in August
Swansea, AZ

Average rainfall in August - Swansea, AZ
  • Average rainfall in August: 0.55"

The wettest month (with the highest rainfall) is July (0.59").
The driest months (with the least rainfall) are May and June (0.04").

Average rainfall days in August
Swansea, AZ

Average rainfall days in August - Swansea, AZ
  • Average rainfall days in August: 6 days

The month with the highest number of rainy days is July (7.8 days).
The month with the least rainy days is May (1.2 days).

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

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

The month with the longest days is June (Average daylight: 14h and 24min).
The month with the shortest days is December (Average daylight: 9h and 54min).

  • Average sunshine in August: 11h and 1min

The month with the most sunshine is June (Average sunshine: 12h and 6min).
The month with the least sunshine is December (Average sunshine: 7h and 0min).

Average sunshine days in August
Swansea, AZ

Average sunshine days in August - Swansea, AZ
  • Average sunshine days in August: 20.8 days

The month with the most sunshine days is May (29.3 days).
The month with the least sunshine days is July (20.2 days).

Average UV index in August
Swansea, AZ

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

The month with the highest UV index is July (UV index 9).
The month with the lowest UV index is December (UV index 3).

Average cloud cover in August
Swansea, AZ

Average cloud cover in August - Swansea, AZ
  • Average cloud cover in August: 8

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

Average visibility in August
Swansea, AZ

Average visibility in August - Swansea, 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).

Swansea, Arizona, USA

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