July weather forecast
Chula Vista, CA

Share
Wood and rope barriers at sunset on the waterfront of Bayside Park in Chula Vista, San Diego Bay, California
Wood and rope barriers at sunset on the waterfront of Bayside Park in Chula Vista, San Diego Bay, California

Weather in July

July standouts with the year’s highest average temperature and sea temperature. Chula Vista clocks in the highest quantity of sunshine this month and locals find great pleasure in the city's fantastic summer weather. Despite the heat, a soothing breeze provides relief, and outdoor activities abound, both on water and land. July signifies the peak of Chula Vista's glorious sunny season echoing with celebrations, BBQs, and water sports.

Temperature

The commencement of July in Chula Vista introduces an average high-temperature of a moderately hot 77°F (25°C), closely mirroring the preceding month. An average nighttime temperature of 64.8°F (18.2°C) is noted during the month of July.

Humidity

In Chula Vista, California, the average relative humidity in July is 69%.

Rainfall

In Chula Vista, in July, it is raining for 4.1 days, with typically 0.28" (7mm) of accumulated precipitation. Throughout the year, there are 51 rainfall days, and 5.63" (143mm) of precipitation is accumulated.

Ocean temperature

In Chula Vista, in July, the average water temperature is 67.1°F (19.5°C).
Note: The majority of individuals find it unpleasurable to swim in 67.1°F (19.5°C). It becomes progressively harder to manage one's breathing as the water temperature falls below 69.8°F (21°C).

Daylight

In Chula Vista, the average length of the day in July is 14h and 3min.
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 7:47 pm PDT.

Sunshine

The month with the most sunshine in Chula Vista, California, is July, with an average of 12h of sunshine.

UV index

The months with the highest UV index are June through September, with an average maximum UV index of 6. A UV Index of 6 to 7 symbolizes a high health hazard from unprotected exposure to Sun's UV rays for average individuals.
Note: The maximum daily UV index of 6 during July translates into the following directions:
Employ safeguards and advocate sun safety protocols. Shielding against skin and eye damage is crucial. Stay out of direct sunlight and seek shade between 10 a.m. and 4 p.m., when UV radiation is strongest, but remember that shade devices may not offer full sun protection. For effective sun eye protection, rely on sunglasses certified for UVA and UVB resistance.
[Resources]

Frequently asked questions

What are the temperatures in Chula Vista in July?

During July, Chula Vista experiences an average high-temperature of 77°F (25°C) and a low-temperature of 64.8°F (18.2°C).

What is the average humidity in July in Chula Vista?

In July, the average relative humidity is 69%.

How many days does it rain in July in Chula Vista?

In Chula Vista, California, in July, during 4.1 rainfall days, 0.28" (7mm) of precipitation is typically accumulated.

How cold is the water in July in Chula Vista?

In July, the average ocean temperature is 67.1°F (19.5°C). 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).

How many hours of daylight does Chula Vista have in July?

The average day length in July in Chula Vista is 14h and 3min.

When are sunrise and sunset in July in Chula Vista?

In July, on the first day of the month, 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 7:47 pm PDT.

What month has the most sunshine in Chula Vista?

The month with the most sunshine in Chula Vista, California, is July, with an average of 12h of sunshine.

How many hours of sunshine does Chula Vista have in July?

In July, the average sunshine duration in Chula Vista is 12h.

What is the month with the highest UV index in Chula Vista?

The months with the highest UV index in Chula Vista are June through September, with an average maximum UV index of 6.

What is the UV index reading in July in Chula Vista?

In July, the average daily maximum UV index is 6. A UV Index value of 6 to 7 symbolizes a high health risk from unsafe exposure to Sun's UV rays.
Average humidity
Average rainfall days
Average daylight
Average sunshine
Average sunshine days
Average UV index
Average cloud cover
Average visibility

Average temperature in July
Chula Vista, CA

Average temperature in July - Chula Vista, CA
  • Average high temperature in July: 77°F

The warmest month (with the highest average high temperature) is August (79.2°F).
The month with the lowest average high temperature is December (63.7°F).

  • Average low temperature in July: 64.8°F

The month with the highest average low temperature is August (66.7°F).
The coldest month (with the lowest average low temperature) is February (51.1°F).

[Resources]

Average pressure in July
Chula Vista, CA

Average pressure in July - Chula Vista, 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).

[Resources]

Average wind speed in July
Chula Vista, CA

Average wind speed in July - Chula Vista, CA
  • Average wind speed in July: 5.4mph

The windiest month (with the highest average wind speed) is April (6.2mph).
The calmest month (with the lowest average wind speed) is October (5mph).

[Resources]

Average humidity in July
Chula Vista, CA

Average humidity in July - Chula Vista, CA
  • Average humidity in July: 69%

The month with the highest relative humidity is June (71%).
The month with the lowest relative humidity is November (58%).

[Resources]

Average rainfall in July
Chula Vista, CA

Average rainfall in July - Chula Vista, CA
  • Average rainfall in July: 0.28"

The wettest month (with the highest rainfall) is February (1.1").
The driest month (with the least rainfall) is June (0.08").

[Resources]

Average rainfall days in July
Chula Vista, CA

Average rainfall days in July - Chula Vista, CA
  • Average rainfall days in July: 4.1 days

The month with the highest number of rainy days is March (7.2 days).
The month with the least rainy days is June (1.7 days).

[Resources]

Average sea temperature in July
Chula Vista, CA

Average sea temperature in July - Chula Vista, 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).

[Resources]

Average daylight in July /
Average sunshine in July
Chula Vista, CA

Average daylight in July / Average sunshine in July - Chula Vista, 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: 12h and 0min

The month with the most sunshine is July (Average sunshine: 12h and 0min).
The month with the least sunshine is December (Average sunshine: 6h and 42min).

[Resources]

Average sunshine days in July
Chula Vista, CA

Average sunshine days in July - Chula Vista, CA
  • Average sunshine days in July: 23.9 days

The month with the most sunshine days is June (27.2 days).
The month with the least sunshine days is February (21.1 days).

[Resources]

Average UV index in July
Chula Vista, CA

Average UV index in July - Chula Vista, CA
  • Average UV index in July: 6

The months with the highest UV index are June, July, August and September (UV index 6).
The months with the lowest UV index are January, February, March, November and December (UV index 4).

[Resources]

Average cloud cover in July
Chula Vista, CA

Average cloud cover in July - Chula Vista, CA
  • Average cloud cover in July: 11

The months with the most cloud cover are March and December (Cloud cover 23).
The month with the least cloud cover is August (Cloud cover 8).

[Resources]

Average visibility in July
Chula Vista, CA

Average visibility in July - Chula Vista, 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).

[Resources]

Chula Vista, California, USA

Weather forecast for your location

1. Click Locate me button
2. Allow the app to use your location