San Diego
California, USA
Long-term weather forecast
Long-term weather forecast
Advertisement

July weather forecast and Climate
San Diego, CA

Advertisement
The view of Coronado Island in San Diego, California, from across a water body on a sidewalk, with a row of palm trees
The view of Coronado Island in San Diego, California, from across a water body on a sidewalk, with a row of palm trees
July is the sunniest as well as the most humid month in San Diego with the monthly sunshine around 305 hours amid average humidity at 75%. The daylight lasts for 14 hours, and the weather tends to be warm and dry with hardly any rain.
The days heat up to 80°F (26.7°C) as the average temperatures rise to register between 65°F (18.3°C) and 75°F (23.9°C).
July sees much excitement during various activities such as swimming, fishing, and exploring the canyons and mountains around San Diego. Carry plenty of water while on excursions in the desert lands.
Advertisement
  • The average high temperature in July: 74.6°F

The warmest month (with the highest average high temperature) is August (76.4°F).
The month with the lowest average high temperature is December (64.7°F).

  • The average low temperature in July: 65.4°F

The month with the highest average low temperature is August (66.7°F).
The coldest month (with the lowest average low temperature) is December (48.4°F).

Advertisement
  • The average humidity in July: 74.6%

The month with the highest relative humidity is July (74.6%).
The month with the lowest relative humidity is January (63.1%).

  • The average rainfall in July: 0"

The wettest month (with the highest rainfall) is January (2.1").
The driest month (with the lowest rainfall) is July (0").

  • The average rainfall days in July: 0.7 days

The month with the highest number of rainy days is February (7.1 days).
The month with the lowest number of rainy days is August (0.4 days).

  • The average sea temperature in July: 67°F

The best month for swimming (with the highest average sea temperature) is August (67.9°F).
The coldest month (with the lowest average sea temperature) is February (58.7°F).

  • 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: 9.8h

The month with most sunshine is July (Average sunshine: 9.8h).
The month with least sunshine is December (Average sunshine: 7.5h).

  • The average UV index in July: 10

Months with the highest UV index are June, July and August (UV index 10).
Months with the lowest UV index are January and December (UV index 3).

deutscheenglishespañolрусский中文
Advertisement
Advertisement