May weather forecast and climate
Isla Vista, CA

Weather in May

May, the last month of the spring, in Isla Vista, is a pleasant month, with temperature in the range of an average high of 69.4°F (20.8°C) and an average low of 53.1°F (11.7°C).

Temperature

In Isla Vista, the average high-temperature is essentially the same as in April - a pleasant 69.4°F (20.8°C). The average low-temperature, is 53.1°F (11.7°C).

Humidity

In May, the average relative humidity in Isla Vista is 62%.

Rainfall

In Isla Vista, during 2.4 rainfall days, 0.16" (4mm) of precipitation is typically accumulated. Throughout the year, in Isla Vista, there are 43.7 rainfall days, and 7.68" (195mm) of precipitation is accumulated.

Ocean temperature

In May, the average ocean temperature in Isla Vista is 55.9°F (13.3°C).
Note: Swimming in 55.9°F (13.3°C) is considered dangerous. Unprotected immersion in temperatures below 50°F (10°C) causes quickly maximum intensity cold shock with hyperventilation.

Daylight

In Isla Vista, the average length of the day is 14h.

Sunshine

In May, the average sunshine in Isla Vista is 11.7h.

UV index

In Isla Vista, California, the average daily maximum UV index is 5. A UV Index reading of 3 to 5 represents a medium vulnerability from the exposure to the Sun's UV radiation for the ordinary person.
Note: The average daily UV index of 5 transform into the following instructions:
Take precautions - Protection against sunburn is recommended. The solar radiation is most powerful near the mid-day, so the exposure to the direct Sun should be reduced accordingly. 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.
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FAQ

What is the temperature in May in Isla Vista?

The average high-temperature, in May, is 69.4°F (20.8°C), while the average low-temperature is 53.1°F (11.7°C).

What is the average humidity in May in Isla Vista?

In Isla Vista, California, the average relative humidity in May is 62%.

How much does it rain in Isla Vista in May?

In Isla Vista, during May, the rain falls for 2.4 days and regularly aggregates up to 0.16" (4mm) of precipitation.

What is the water temperature in May in Isla Vista?

In May, the average ocean temperature in Isla Vista, California, is 55.9°F (13.3°C). At temperatures below 50°F (10°C), swimming in a suitably protected swimsuit is feasible; otherwise, cold shock and loss of breathing control are imminent. Even a short swim, without thermal protection, at temperatures around 55.4°F (13°C) is not comfortable.

What is the average length of the day in May in Isla Vista?

In May, the average length of the day in Isla Vista is 14h.

How many hours of sunshine does Isla Vista have in May?

The average sunshine in May in Isla Vista is 11.7h.

What is the UV index intensity in May in Isla Vista?

The average daily maximum UV index in May in Isla Vista, California, is 5. A UV Index of 3 to 5 symbolizes a moderate health threat from the exposure to the Sun's UV rays.

Average temperature in May
Isla Vista, CA

Average temperature in May - Isla Vista, CA
  • Average high temperature in May: 69.4°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 (60.6°F).

  • Average low temperature in May: 53.1°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).

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Average pressure in May
Isla Vista, CA

Average pressure in May - Isla Vista, CA
  • Average pressure in May: 29.96"

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

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Average wind speed in May
Isla Vista, CA

Average wind speed in May - Isla Vista, CA
  • Average wind speed in May: 8mph

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).

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Average humidity in May
Isla Vista, CA

Average humidity in May - Isla Vista, CA
  • Average humidity in May: 62%

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

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Average rainfall in May
Isla Vista, CA

Average rainfall in May - Isla Vista, CA
  • Average rainfall in May: 0.16"

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

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Average rainfall days in May
Isla Vista, CA

Average rainfall days in May - Isla Vista, CA
  • Average rainfall days in May: 2.4 days

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).

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Average sea temperature in May
Isla Vista, CA

Average sea temperature in May - Isla Vista, CA
  • Average sea temperature in May: 56°F

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).

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Average daylight in May /
Average sunshine in May
Isla Vista, CA

Average daylight in May / Average sunshine in May - Isla Vista, CA
  • Average daylight in May: 14h

The month with the longest days is June (Average daylight: 14.4h).
The month with the shortest days is December (Average daylight: 9.9h).

  • Average sunshine in May: 11.7h

Months with the most sunshine are June and July (Average sunshine: 12h).
The month with the least sunshine is February (Average sunshine: 6.6h).

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Average sunshine days in May
Isla Vista, CA

Average sunshine days in May - Isla Vista, CA
  • Average sunshine days in May: 27.3 days

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

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Average UV index in May
Isla Vista, CA

Average UV index in May - Isla Vista, CA
  • Average UV index in May: 5

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 cloud cover in May
Isla Vista, CA

Average cloud cover in May - Isla Vista, CA
  • Average cloud cover in May: 12

The month with the most cloud cover is March (Cloud cover 23).
The month with the least cloud cover is August (Cloud cover 5).

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Average visibility in May
Isla Vista, CA

Average visibility in May - Isla Vista, CA
  • Average visibility in May: 6mi

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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