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
In San Diego, the average high-temperature in July is almost the same as in June - a warm 75.4°F (24.1°C). In San Diego, the average low-temperature is 64.2°F (17.9°C).Humidity
In July, the average relative humidity is 72%.Rainfall
In San Diego, in July, it is raining for 5.4 days, with typically 0.51" (13mm) of accumulated precipitation. Throughout the year, in San Diego, there are 61.8 rainfall days, and 8.7" (221mm) of precipitation is accumulated.Ocean temperature
In San Diego, the average water temperature is 67.1°F (19.5°C).Note: Swimming in 67.1°F (19.5°C) is not enjoyable for the majority. Controlling breathing becomes progressively more difficult as surface water temperature decreases below 69.8°F (21°C).
Daylight
In July, the average length of the day in San Diego, California, is 14h and 4min.On the first day of July, 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
The months with the most sunshine in San Diego are July and August, with an average of 11.9h of sunshine.UV index
July through September, with an average maximum UV index of 6, are months with the highest UV index. A UV Index reading of 6 to 7 represents a high health risk from unsafe exposure to UV radiation for average individuals.Note: The daily maximum UV index of 6 in July interpret into the following advice:
Take precautions and utilize sun safety practices. Protection against skin and eye damage is required. Seek shade and minimize exposure to direct Sun in a period between 10 a.m. and 4 p.m. when UV radiation is most intense; keep in mind that shade structures like parasols or canopies do not provide perfect sun protection. Sun-protective clothing, a long-sleeved shirt and pants, a wide-brimmed hat, and UVA and UVB-blocking sunglasses are particularly helpful in blocking UV radiation's harmful effects.
FAQ
What is the temperature in July in San Diego?
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?
How many hours of daylight does San Diego have in July?
When are sunrise and 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?
How high is the UV index 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 4min
The month with the longest days is June (Average daylight: 14h and 16min).
The month with the shortest days is December (Average daylight: 10h and 2min).
- Average sunshine in July: 11h and 54min
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).
Weather forecast for your location
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