August weather forecast
Yuma, AZ

Share
Arizona/California border with the Colorado River in Yuma, Arizona
Arizona/California border with the Colorado River in Yuma, Arizona

Weather in August

Following the peak in July, August sees a minute reduction in both temperatures and daylight hours in Yuma. However, even with this slight reprieve, people should be mindful of the heat and remember to drink plenty of fluids. This month has one of the highest average low temperatures at 86.4°F, sustaining the warm summer nights. August evenings are illuminated by dramatic sunset colors, offering enchanting desert vistas. The persisting warmth and consistent hours of sunlight continue to emphasize Yuma’s summer allure.

Temperature

August's beginning in Yuma signals an average high-temperature of a still blisteringly hot 105.1°F, barely different from July's 105.3°F. During August, Yuma witnesses a consistent average low-temperature of 86.4°F.

Humidity

In Yuma, the average relative humidity in August is 31%.

Rainfall

In Yuma, Arizona, in August, during 4.1 rainfall days, 0.28" of precipitation is typically accumulated. Throughout the year, in Yuma, there are 31.6 rainfall days, and 2.8" of precipitation is accumulated.

Daylight

In August, the average length of the day is 13h and 19min.
On the first day of August, sunrise is at 5:52 am and sunset at 7:37 pm. On the last day of the month, sunrise is at 6:12 am and sunset at 7:04 pm MST.

Sunshine

The average sunshine in August in Yuma is 10.7h.

UV index

The months with the highest UV index are June through September, with an average maximum UV index of 8. A UV Index value of 8 to 10 symbolizes a very high health vulnerability from unsafe exposure to UV radiation for average individuals.
Note: The daily high UV index of 8 during August translates into the following recommendations:
With the absence of protection, damage to skin and eyes can occur instantly. Ensure precautions are taken. Stay in the shade and avoid direct Sun exposure from 10 a.m. to 4 p.m., a period when UV radiation is particularly strong, noting that parasols or canopies may not offer total sun protection. For a sun-safe wardrobe, go for clothes that are tightly woven and generously sized.
[Resources]

FAQ

How hot is it in Yuma in August?

In August, the average high-temperature and low-temperature in Yuma, Arizona, are 105.1°F and 86.4°F respectively.

What is the average humidity in August in Yuma?

In Yuma, Arizona, the average relative humidity in August is 31%.

How much does it rain in Yuma in August?

In Yuma, Arizona, during August, the rain falls for 4.1 days and regularly aggregates up to 0.28" of precipitation.

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

The average day length in August in Yuma, Arizona, is 13h and 19min.

When is the sunrise / sunset in August in Yuma?

On the first day of August in Yuma, sunrise is at 5:52 am and sunset at 7:37 pm. On the last day of the month, sunrise is at 6:12 am and sunset at 7:04 pm MST.

How long on average sun shines in August in Yuma?

In Yuma, Arizona, the average sunshine duration in August is 10.7h.

What are the months with the highest UV index in Yuma?

June through September, with an average maximum UV index of 8, are months with the highest UV index in Yuma, Arizona.

How high is the UV index in August in Yuma?

In Yuma, Arizona, the average daily maximum UV index in August is 8. A UV Index of 8 to 10 symbolizes a very high health vulnerability from exposure to Sun's UV rays.
Average high temperature
Average low temperature
Average pressure
Average wind speed
Average max. wind speed
Average wind speed gusts
Average humidity
Average rainfall
Average rainfall days
Average daylight
Average sunshine
Average sunshine days
Average UV index
Average cloud cover
Average visibility

Average temperature in August
Yuma, AZ

Average temperature in August - Yuma, AZ
  • Average high temperature in August: 105.1°F

The warmest month (with the highest average high temperature) is July (105.3°F).
The month with the lowest average high temperature is December (66°F).

  • Average low temperature in August: 86.4°F

The month with the highest average low temperature is August (86.4°F).
The coldest month (with the lowest average low temperature) is December (50.5°F).

[Resources]

Average pressure in August
Yuma, AZ

Average pressure in August - Yuma, AZ
  • Average pressure in August: 29.77"Hg

The month with the highest atmospheric pressure is January (30.07"Hg).
The month with the lowest atmospheric pressure is June (29.74"Hg).

[Resources]

Average wind speed in August
Yuma, AZ

Average wind speed in August - Yuma, AZ
  • Average wind speed in August: 8mph

The windiest months (with the highest average wind speed) are April and July (8.5mph).
The calmest month (with the lowest average wind speed) is November (6.6mph).

[Resources]

Average humidity in August
Yuma, AZ

Average humidity in August - Yuma, AZ
  • Average humidity in August: 31%

The month with the highest relative humidity is December (38%).
The month with the lowest relative humidity is June (22%).

[Resources]

Average rainfall in August
Yuma, AZ

Average rainfall in August - Yuma, AZ
  • Average rainfall in August: 0.28"

The wettest months (with the highest rainfall) are July and September (0.39").
The driest months (with the least rainfall) are May and June (0.04").

[Resources]

Average rainfall days in August
Yuma, AZ

Average rainfall days in August - Yuma, AZ
  • Average rainfall days in August: 4.1 days

The month with the highest number of rainy days is July (5.8 days).
The month with the least rainy days is May (0.8 days).

[Resources]

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

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

The month with the longest days is June (Average daylight: 14h and 18min).
The month with the shortest days is December (Average daylight: 10h and 0min).

  • Average sunshine in August: 10h and 4min

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

[Resources]

Average sunshine days in August
Yuma, AZ

Average sunshine days in August - Yuma, AZ
  • Average sunshine days in August: 22.8 days

The month with the most sunshine days is May (30.2 days).
The month with the least sunshine days is July (22.1 days).

[Resources]

Average UV index in August
Yuma, AZ

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

The months with the highest UV index are June, July, August and September (UV index 8).
The months with the lowest UV index are November and December (UV index 4).

[Resources]

Average cloud cover in August
Yuma, AZ

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

The month with the most cloud cover is December (Cloud cover 17).
The month with the least cloud cover is June (Cloud cover 5).

[Resources]

Average visibility in August
Yuma, AZ

Average visibility in August - Yuma, 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).

[Resources]

Yuma, Arizona, USA

Weather forecast for your location

1. Click Locate me button
2. Allow the app to use your location