Monthly weather forecast and climate
Chula Vista, CA

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 January

January, like December, in Chula Vista, California, is another enjoyable winter month, with average temperature ranging between min 51.8°F (11°C) and max 65.1°F (18.4°C). In Chula Vista, California, the average high-temperature in January is relatively the same as in December - a still comfortable 65.1°F (18.4°C). Weather in January »

Weather in February

February, the last month of the winter, in Chula Vista, is another comfortable month, with average temperature fluctuating between 64.2°F (17.9°C) and 51.1°F (10.6°C). In February, the average high-temperature is almost the same as in January - a still enjoyable 64.2°F (17.9°C). Weather in February »

Weather in March

The first month of the spring, March, is also an enjoyable month in Chula Vista, California, with average temperature ranging between max 65.5°F (18.6°C) and min 52.2°F (11.2°C). In Chula Vista, the average high-temperature in March is essentially the same as in February - a still enjoyable 65.5°F (18.6°C). Weather in March »

Weather in April

April, like March, in Chula Vista, California, is another comfortable spring month, with average temperature fluctuating between 53.8°F (12.1°C) and 67.6°F (19.8°C). In Chula Vista, the average high-temperature is relatively the same as in March - a still comfortable 67.6°F (19.8°C). Weather in April »

Weather in May

The last month of the spring, May, is an agreeable month in Chula Vista, California, with temperature in the range of an average high of 68.5°F (20.3°C) and an average low of 56.3°F (13.5°C). In Chula Vista, California, the average high-temperature in May is relatively the same as in April - a pleasant 68.5°F (20.3°C). Weather in May »

Weather in June

The first month of the summer, June, is still a pleasant month in Chula Vista, California, with average temperature ranging between min 59.4°F (15.2°C) and max 72.7°F (22.6°C). In June, the average high-temperature is relatively the same as in May - a still pleasant 72.7°F (22.6°C). Weather in June »

Weather in July

July in Chula Vista, California, is a warm summer month, with average temperature ranging between max 77°F (25°C) and min 64.8°F (18.2°C). In Chula Vista, the average high-temperature is almost the same as in June - a moderately hot 77°F (25°C). Weather in July »

Weather in August

August, the last month of the summer, in Chula Vista, is also a moderately hot month, with average temperature fluctuating between 66.7°F (19.3°C) and 79.2°F (26.2°C). August is the warmest month, with an average high-temperature of 79.2°F (26.2°C) and an average low-temperature of 66.7°F (19.3°C). Weather in August »

Weather in September

September, the first month of the autumn, in Chula Vista, is still a warm month, with temperature in the range of an average low of 65.5°F (18.6°C) and an average high of 78.3°F (25.7°C). In Chula Vista, the average high-temperature is relatively the same as in August - a still moderately hot 78.3°F (25.7°C). Weather in September »

Weather in October

October, like September, in Chula Vista, California, is another warm autumn month, with average temperature fluctuating between 61.5°F (16.4°C) and 74.5°F (23.6°C). In October, the average high-temperature is relatively the same as in September - a still warm 74.5°F (23.6°C). Weather in October »

Weather in November

The last month of the autumn, November, is another pleasant month in Chula Vista, California, with average temperature fluctuating between 56.8°F (13.8°C) and 69.8°F (21°C). In Chula Vista, the average high-temperature in November is essentially the same as in October - a pleasant 69.8°F (21°C). Weather in November »

Weather in December

The first month of the winter, December, is still a comfortable month in Chula Vista, California, with average temperature ranging between min 51.4°F (10.8°C) and max 63.7°F (17.6°C). With an average high-temperature of 63.7°F (17.6°C) and an average low-temperature of 51.4°F (10.8°C), December is the coldest month. Weather in December »
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FAQ

How much does it rain in Chula Vista?

Throughout the year, there are 51 rainfall days, and 5.63" (143mm) of precipitation is accumulated.

When is the lowest UV index in Chula Vista?

January through March, November and December, with an average maximum UV index of 4, are months with the lowest UV index.

What is the rainiest month in Chula Vista?

February is the month with the most rainfall in Chula Vista. Rain falls for 5.6 days and accumulates 1.1" (28mm) of precipitation.

What month is the ocean coldest in Chula Vista?

The month with the coldest seawater in Chula Vista is February, with an average ocean temperature of 58.6°F (14.8°C).

What is the most humid month in Chula Vista?

With an average relative humidity of 71%, June is the most humid month in Chula Vista, California.

What is the driest month in Chula Vista?

June is the month with the least rainfall in Chula Vista, California. Rain falls for 1.7 days and accumulates 0.08" (2mm) of precipitation.

When are the longest days in Chula Vista?

June has the longest days of the year in Chula Vista, California, with an average of 14.3h of daylight.

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

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

What month has the most sunshine in Chula Vista?

July has the most sunshine of the year, with an average of 12h of sunshine.

What is the warmest month in Chula Vista?

With an average high-temperature of 79.2°F (26.2°C) and an average low-temperature of 66.7°F (19.3°C), August is the warmest month in Chula Vista.

What month is the ocean warmest in Chula Vista?

The month with the warmest seawater in Chula Vista, California, is August, with an average ocean temperature of 68°F (20°C).

What is the least humid month in Chula Vista?

The least humid month in Chula Vista, California, is November, with an average relative humidity of 58%.

What is the coldest month in Chula Vista?

The coldest month in Chula Vista is December, with an average high-temperature of 63.7°F (17.6°C) and an average low-temperature of 51.4°F (10.8°C).

What is the month with the shortest days in Chula Vista?

With an average of 10h of daylight, December has the shortest days of the year.

What is the month with the least sunshine in Chula Vista?

The month with the least sunshine in Chula Vista is December, with an average of 6.7h of sunshine.

Average temperature
Chula Vista, CA

Average temperature - Chula Vista, CA

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).

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).

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Average pressure
Chula Vista, CA

Average pressure - Chula Vista, CA

The month with the highest atmospheric pressure is January (30.09").
Months with the lowest atmospheric pressure are June and September (29.88").

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Average wind speed
Chula Vista, CA

Average wind speed - Chula Vista, CA

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).

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Average rainfall
Chula Vista, CA

Average rainfall - Chula Vista, CA

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

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Average rainfall days
Chula Vista, CA

Average rainfall days - Chula Vista, CA

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).

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Average sea temperature
Chula Vista, CA

Average sea temperature - Chula Vista, CA

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).

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Average daylight / Average sunshine
Chula Vista, CA

Average daylight / Average sunshine - Chula Vista, CA

The month with the longest days is June (Average daylight: 14.3h).
The month with the shortest days is December (Average daylight: 10h).

The month with the most sunshine is July (Average sunshine: 12h).
The month with the least sunshine is December (Average sunshine: 6.7h).

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Average sunshine days
Chula Vista, CA

Average sunshine days - Chula Vista, CA

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

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Average UV index
Chula Vista, CA

Average UV index - Chula Vista, CA

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

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Average visibility
Chula Vista, CA

Average visibility - Chula Vista, CA

Months with the highest visibility are January, February, March, April, May, June, July, August, September, October, November and December (6mi).
Months with the lowest visibility are January, February, March, April, May, June, July, August, September, October, November and December (6mi).

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