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

July 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
July is usually the hottest month in Yuma with an average high temperature around 108°F (42.2°C). It is one of the worst times to visit Yuma with a guarantee that every day the temperature will cross 100°F (37.8°C) - in fact, many days in July record extreme heat with temperatures above 110°F (43.3°C). Nights do not offer any respite with an average low temperature around 82°F (27.8°C).
Summer monsoon is the period of more than average humidity as tropical air pushes from the Gulf of California. Although Yuma does not have many highlands, be cautious in the summer as thunderstorms and flash floods may occur with little warning.
  • The average high temperature in July: 41.6°C

The warmest month (with the highest average high temperature) is July (41.6°C).
The month with the lowest average high temperature is December (20.2°C).

  • The average low temperature in July: 27.8°C

The month with the highest average low temperature is August (27.9°C).
The coldest month (with the lowest average low temperature) is December (8.1°C).

  • The average rainfall in July: 6.6mm

The wettest month (with the highest rainfall) is September (13.5mm).
The driest month (with the lowest rainfall) is June (0.3mm).

  • The average rainfall days in July: 0.9 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).

  • The average daylight in July: 14h

Months with the longest days are May, June and July (Average daylight: 14h).
Months with shortest days are January, November and December (Average daylight: 10h).

  • The average sunshine in July: 12.7h

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

  • The average UV index in July: 11

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).