Contents
- Weather in July
- Frequently asked questions
- Average temperature in July
- Average pressure in July
- Average wind speed in July
- Average humidity in July
- Average rainfall in July
- Average rainfall days in July
- Average sea temperature in July
- Average daylight in July
- Average sunshine in July
- Average sunshine days in July
- Average UV index in July
- Average cloud cover in July
- Average visibility in July
Weather in July
Temperature
July denotes a minimal variation in the average high-temperature to a warm 75.4°F from June's 70.7°F. An average low-temperature of 64.2°F is anticipated throughout the nights during July.Humidity
In July, the average relative humidity is 72%.Rainfall
In July, the rain falls for 5.4 days. Throughout July, 0.51" of precipitation is accumulated. Throughout the year, in San Diego, there are 61.8 rainfall days, and 8.7" of precipitation is accumulated.Ocean temperature
In July, the average ocean temperature in San Diego, California, is 67.1°F.Note: A majority do not enjoy swimming in water at 67.1°F. The difficulty in controlling breathing increases progressively as the temperature dips below 69.8°F.
Daylight
The average length of the day in July in San Diego is 14h and 4min.On the first day of July in San Diego, sunrise is at 5:44 am and sunset at 8:00 pm. On the last day of the month, sunrise is at 6:02 am and sunset at 7:48 pm PDT.
Sunshine
July and August, with an average of 11.9h of sunshine, are months with the most sunshine.UV index
The months with the highest UV index are July through September, with an average maximum UV index of 6. A UV Index reading of 6 to 7 represents a high health hazard from exposure to the Sun's UV radiation for ordinary individuals.Note: The UV index of 6 during July translates into the following guidance:
Stand by precautions and apply sun safety measures. Evading sunburn is of great importance. Avoid exposure to the Sun and try to stay in the shade between 10 a.m. and 4 p.m., when UV radiation is most potent, but be aware that parasols or canopies may not offer full protection. A wide-brimmed hat is a staple for defending the face, eyes, ears, and neck from the Sun.
FAQ
What are the temperatures in San Diego in July?
What is the average humidity in July in San Diego?
How much does it rain in San Diego in July?
What is the ocean temperature in July in San Diego?
What is the average length of the day in July in San Diego?
When is the sunrise / sunset in July in San Diego?
What is the month with the most sunshine in San Diego?
How many hours of sunshine does San Diego have in July?
What is the month with the highest UV index in San Diego?
What is the UV index reading in July in San Diego?
Average temperature in July
San Diego, CA
- Average high temperature in July: 75.4°F
The warmest month (with the highest average high temperature) is August (77.4°F).
The month with the lowest average high temperature is February (63.1°F).
- Average low temperature in July: 64.2°F
The month with the highest average low temperature is August (65.7°F).
The coldest month (with the lowest average low temperature) is February (51.8°F).
Average pressure in July
San Diego, CA
- Average pressure in July: 29.91"Hg
The month with the highest atmospheric pressure is January (30.09"Hg).
The months with the lowest atmospheric pressure are June and September (29.88"Hg).
Average wind speed in July
San Diego, CA
- Average wind speed in July: 5.6mph
The windiest months (with the highest average wind speed) are April and May (6.3mph).
The calmest month (with the lowest average wind speed) is October (5.2mph).
Average humidity in July
San Diego, CA
- Average humidity in July: 72%
The month with the highest relative humidity is June (73%).
The month with the lowest relative humidity is November (59%).
Average rainfall in July
San Diego, CA
- Average rainfall in July: 0.51"
The wettest month (with the highest rainfall) is December (1.65").
The driest month (with the least rainfall) is June (0.12").
Average rainfall days in July
San Diego, CA
- Average rainfall days in July: 5.4 days
The month with the highest number of rainy days is March (7.6 days).
The month with the least rainy days is June (2.7 days).
Average sea temperature in July
San Diego, CA
- 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).
Average daylight in July /
Average sunshine in July
San Diego, CA
- Average daylight in July: 14h and 1min
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 July: 11h and 5min
The months with the most sunshine are July and August (Average sunshine: 11h and 54min).
The month with the least sunshine is December (Average sunshine: 6h and 42min).
Average sunshine days in July
San Diego, CA
- Average sunshine days in July: 20.3 days
The month with the most sunshine days is January (24.3 days).
The month with the least sunshine days is July (20.3 days).
Average UV index in July
San Diego, CA
- Average UV index in July: 6
The months with the highest UV index are July, August and September (UV index 6).
The months with the lowest UV index are January, February, March, November and December (UV index 4).
Average cloud cover in July
San Diego, CA
- Average cloud cover in July: 11
The month with the most cloud cover is December (Cloud cover 24).
The month with the least cloud cover is August (Cloud cover 9).
Average visibility in July
San Diego, CA
- Average visibility in July: 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).
San Diego, California, USA
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