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

August weather forecast and climate
Yuma, AZ

Aerial view of the Arizona/California border with the Colorado River in Yuma, Arizona
Aerial view of the Arizona/California border with the Colorado River in Yuma, Arizona
August is hot in Yuma with average temperatures in the 82°F (27.8°C) to 107.1°F (41.7°C). It is the summer monsoon time and usually cloudier and wetter than the usual weather conditions.
Rainfall is to the tune of 0.5" (12.7mm) and rarely goes over an inch even during an occasional rainstorm in an odd year. A rare hurricane may visit Yuma with its origin in the Pacific Ocean or the Gulf of California. Mornings and evenings are good times to be near the water but avoid midday swims.

What is the temperature in August in Yuma?

In August, in Yuma, Arizona, the average high-temperature is 106.2°F (41.2°C), and the average low-temperature is 82.2°F (27.9°C).

How many days does it rain in August in Yuma?

In Yuma, Arizona, during August, the rain falls for 2.3 days and regularly aggregates up to 0.5" (13.2mm) of precipitation.

How many hours of daylight does Yuma have in August?

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

How many hours of sunshine does Yuma have in August?

In August, the average sunshine is 12.1h.

What is the UV index intensity in August in Yuma?

The average daily maximum UV index in August in Yuma is 10. A UV Index value of 8 to 10 symbolizes a very high health threat from the exposure to the Sun's UV rays.
Average temperature in August - Yuma, AZ
  • Average high temperature in August: 106.2°F

The warmest month (with the highest average high temperature) is July (106.8°F).
The month with the lowest average high temperature is December (68.3°F).

  • Average low temperature in August: 82.3°F

The month with the highest average low temperature is August (82.3°F).
The coldest month (with the lowest average low temperature) is December (46.6°F).

Average rainfall in August - Yuma, AZ
  • Average rainfall in August: 0.5"

Wettest months (with the highest rainfall) are August, September and December (0.5").
Driest months (with the lowest rainfall) are May and June (0").

Average rainfall days in August - Yuma, AZ
  • Average rainfall days in August: 2.3 days

Months with the highest number of rainy days are January and August (2.3 days).
The month with the lowest number of rainy days is June (0.2 days).

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

The month with the longest days is June (Average daylight: 14.3h).
The month with shortest days is December (Average daylight: 10h).

  • Average sunshine in August: 12.1h

The month with most sunshine is June (Average sunshine: 13.8h).
The month with least sunshine is December (Average sunshine: 8.2h).

Average UV index in August - Yuma, AZ
  • Average UV index in August: 10

The month with the highest UV index is July (UV index 11).
Months with the lowest UV index are January and December (UV index 3).