Climate and monthly weather forecast
Isla Vista, CA

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Weather in January

January is a comfortable winter month in Isla Vista, California, with an average temperature fluctuating between 62.2°F (16.8°C) and 48.7°F (9.3°C). Isla Vista experiences a subtle adjustment in high-temperatures to a still refreshing 62.2°F (16.8°C) with the onset of January, maintaining near parity with December's 60.6°F (15.9°C). Weather in January »

Weather in February

February, the last month of the winter in Isla Vista, is another comfortable month, with an average temperature fluctuating between 47.7°F (8.7°C) and 61.3°F (16.3°C). Isla Vista records a slight change with February's average high-temperatures adjusting to a still enjoyable 61.3°F (16.3°C) from January's 62.2°F (16.8°C). Weather in February »

Weather in March

The first month of the spring, March, is still a comfortable month in Isla Vista, California, with an average temperature ranging between min 48.7°F (9.3°C) and max 63.1°F (17.3°C). A minor adjustment in Isla Vista's average high-temperature is noted with the start of March, touching a still comfortable 63.1°F (17.3°C) from February's 61.3°F (16.3°C). Weather in March »

Weather in April

April, the same as March, is another comfortable spring month in Isla Vista, California, with an average temperature varying between 50.4°F (10.2°C) and 66.7°F (19.3°C). Isla Vista's average high-temperature in April is a still refreshing 66.7°F (19.3°C), indicating a subtle variation from March. Weather in April »

Weather in May

The last month of the spring, May, is an agreeable month in Isla Vista, California, with an average temperature varying between 69.4°F (20.8°C) and 53.1°F (11.7°C). May reports an average high-temperature of an agreeable 69.4°F (20.8°C), slightly varied from April's 66.7°F (19.3°C). Weather in May »

Weather in June

The first month of the summer, June, is a moderately hot month in Isla Vista, California, with an average temperature ranging between max 73.9°F (23.3°C) and min 56.8°F (13.8°C). June's arrival brings an average high-temperature of a moderately hot 73.9°F (23.3°C), slightly deviating from May's 69.4°F (20.8°C). Weather in June »

Weather in July

July, like June, in Isla Vista, California, is a moderately hot summer month, with an average temperature ranging between min 61.2°F (16.2°C) and max 78.1°F (25.6°C). Isla Vista, California, transitions into July recording an average high-temperature of a still warm 78.1°F (25.6°C), closely aligning with the preceding month's temperature. Weather in July »

Weather in August

August, the last month of the summer in Isla Vista, is another warm month, with temperature in the range of an average low of 62.1°F (16.7°C) and an average high of 79.2°F (26.2°C). Temperature records mark August as the warmest month, with highs averaging 79.2°F (26.2°C) and lows at 62.1°F (16.7°C). Weather in August »

Weather in September

September, the first month of the autumn in Isla Vista, is also a moderately hot month, with an average temperature ranging between max 77.4°F (25.2°C) and min 61.7°F (16.5°C). The advent of September denotes an average high-temperature of a still moderately hot 77.4°F (25.2°C), subtly different from August's 79.2°F (26.2°C). Weather in September »

Weather in October

October, the same as September, in Isla Vista, California, is another pleasant autumn month, with temperature in the range of an average high of 72.9°F (22.7°C) and an average low of 57.7°F (14.3°C). As Isla Vista, California, transitions from September to October, the average high-temperatures adjust to a pleasant 72.9°F (22.7°C), nearly the same as the previous 77.4°F (25.2°C). Weather in October »

Weather in November

November, the last month of the autumn in Isla Vista, is another comfortable month, with an average temperature fluctuating between 66.9°F (19.4°C) and 52.7°F (11.5°C). Isla Vista records a mild change in average high-temperature during November, easing from an agreeable 72.9°F (22.7°C) in October to a comfortable 66.9°F (19.4°C). Weather in November »

Weather in December

The first month of the winter, December, is still a mild month in Isla Vista, California, with an average temperature fluctuating between 60.6°F (15.9°C) and 48.6°F (9.2°C). The coldest time of the year is December, with temperatures averaging a high of 60.6°F (15.9°C) and a low of 48.6°F (9.2°C). Weather in December »
Updated: Feb 10, 2024 | Published by: Weather U.S. | About Us / Weather Forecasting / Data Sources

Frequently asked questions

What is the wettest month in Isla Vista?

The month with the most rainfall is January, when the rain falls for 5.3 days and typically aggregates up to 1.57" (40mm) of precipitation.

How many days does it rain in Isla Vista?

Throughout the year, in Isla Vista, there are 43.7 rainfall days, and 7.68" (195mm) of precipitation is accumulated.

When is the lowest UV index in Isla 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 month with the least sunshine in Isla Vista?

With an average of 6.6h of sunshine, February has the least sunshine of the year.

What is the most humid month in Isla Vista?

The most humid month in Isla Vista is March, with an average relative humidity of 64%.

When is Daylight Saving Time (DST) in Isla Vista?

On Sunday, March 10. 2024, at 2:00 am, Daylight Saving Time starts, and the time zone changes from PST to PDT. Daylight Saving Time ends Sunday, November 3. 2024, at 2:00 am, and the time zone reverts from PDT to PST.

What month is the ocean coldest in Isla Vista?

With an average ocean temperature of 55.8°F (13.2°C), April is the month with the coldest seawater in Isla Vista, California.

What is the driest month in Isla Vista?

The months with the least rainfall in Isla Vista are June and August Rain falls for 1.2 days and accumulates 0.08" (2mm) of rain.

When are the longest days in Isla Vista?

With an average of 14h and 24min of daylight, June has the longest days of the year.

What are the months with the most sunshine in Isla Vista?

June and July, with an average of 12h of sunshine, are months with the most sunshine.

What are the months with the highest UV index in Isla Vista?

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

What are the months with the warmest ocean in Isla Vista?

July and August, with an average ocean temperature of 62.2°F (16.8°C), are months with the warmest seawater in Isla Vista.

What are the warmest months in Isla Vista?

August is Isla Vista's warmest month, registering average high temperatures of 79.2°F (26.2°C) and lows of 62.1°F (16.7°C).

What are the least humid months in Isla Vista?

September through November, with an average relative humidity of 56%, are the least humid months in Isla Vista, California.

What time of the year is the coldest in Isla Vista?

Temperature readings in Isla Vista, California, reach their annual highs in December, averaging 60.6°F (15.9°C) and a minimum average of 48.6°F (9.2°C).

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

With an average of 9h and 54min of daylight, December has the shortest days of the year in Isla Vista, California.

Average temperature
Isla Vista, CA

Average temperature - Isla 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 (60.6°F).

The month with the highest average low temperature is August (62.1°F).
The coldest month (with the lowest average low temperature) is February (47.7°F).

Average pressure
Isla Vista, CA

Average pressure - Isla Vista, CA

The month with the highest atmospheric pressure is January (30.11"Hg).
The months with the lowest atmospheric pressure are June, August and September (29.91"Hg).

Average wind speed
Isla Vista, CA

Average wind speed - Isla Vista, CA

The windiest month (with the highest average wind speed) is April (8.1mph).
The calmest month (with the lowest average wind speed) is July (5.6mph).

Average humidity
Isla Vista, CA

Average humidity - Isla Vista, CA

The month with the highest relative humidity is March (64%).
The months with the lowest relative humidity are September, October and November (56%).

Average rainfall
Isla Vista, CA

Average rainfall - Isla Vista, CA

The wettest month (with the highest rainfall) is January (1.57").
The driest months (with the least rainfall) are June and August (0.08").

Average rainfall days
Isla Vista, CA

Average rainfall days - Isla Vista, CA

The month with the highest number of rainy days is March (7.3 days).
The month with the least rainy days is June (1.2 days).

Average sea temperature
Isla Vista, CA

Average sea temperature - Isla Vista, CA

The best month for swimming (with the highest average sea temperature) is August (62.2°F).
The coldest month (with the lowest average sea temperature) is April (55.7°F).

Average daylight / Average sunshine
Isla Vista, CA

Average daylight / Average sunshine - Isla Vista, CA

The month with the longest days is June (Average daylight: 14h and 24min).
The month with the shortest days is December (Average daylight: 9h and 54min).

The months with the most sunshine are June and July (Average sunshine: 12h and 0min).
The month with the least sunshine is February (Average sunshine: 6h and 36min).

Average sunshine days
Isla Vista, CA

Average sunshine days - Isla Vista, CA

The month with the most sunshine days is August (28 days).
The month with the least sunshine days is February (21.6 days).

Average UV index
Isla Vista, CA

Average UV index - Isla Vista, CA

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).

Average visibility
Isla Vista, CA

Average visibility - Isla Vista, CA

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).

Isla Vista, California, USA

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