January weather forecast and climate
Isla Vista, CA

Weather in January

January in Isla Vista, California, is a comfortable winter month, with average temperature fluctuating between 48.7°F (9.3°C) and 62.2°F (16.8°C).

Temperature

In Isla Vista, the average high-temperature in January is almost the same as in December - a comfortable 62.2°F (16.8°C). The average low-temperature, in January, is 48.7°F (9.3°C).

Humidity

In Isla Vista, the average relative humidity in January is 59%.

Rainfall

January is the month with the most rainfall in Isla Vista. Rain falls for 5.3 days and accumulates 1.57" (40mm) of precipitation.

Ocean temperature

In Isla Vista, California, the average seawater temperature is 56.8°F (13.8°C).
Note: Swimming in 56.8°F (13.8°C) is considered life-threatening. Even a few minutes in 55.4°F (13°C) water is uncomfortable, and swimming below 50°F (10°C) may cause total loss of breathing control and cold shock, depending on a person's physique.

Daylight

In Isla Vista, the average length of the day in January is 10.2h.

Sunshine

In January, the average sunshine in Isla Vista is 6.8h.

UV index

January through March, November and December, with an average maximum UV index of 4, are months with the lowest UV index in Isla Vista. A UV Index of 3 to 5 symbolizes a moderate health risk from the exposure to the Sun's UV radiation for ordinary individuals.
Note: The daily maximum UV index of 4 in January interpret into the following advice:
Take precautions - Protection against the skin and eye damage is obliged. The Sun's most intense and consequently most harmful UV radiation during midday hours should be decreased by minimizing exposure and seeking shade. A wide-brim hat offers excellent sun protection for eyes, ears, face, and neck. Sunglasses with UVA and UVB protection significantly reduce eye damage from sun exposure. Tightly woven, loose-fitting clothes provide additional protection from the Sun.
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FAQ

What is the temperature in January in Isla Vista?

In Isla Vista, in January, the average high-temperature is 62.2°F (16.8°C), and the average low-temperature is 48.7°F (9.3°C).

What is the average humidity in January in Isla Vista?

In January, the average relative humidity in Isla Vista, California, is 59%.

How much does it rain in Isla Vista in January?

In January, in Isla Vista, the rain falls for 5.3 days. Throughout January, 1.57" (40mm) of precipitation is accumulated.

What is the rainiest month in Isla Vista?

January is the month with the most rainfall in Isla Vista. Rain falls for 5.3 days and accumulates 1.57" (40mm) of precipitation.

What is the water temperature in January in Isla Vista?

In Isla Vista, California, in January, the average water temperature is 56.8°F (13.8°C). Swimming in 56.8°F (13.8°C) is considered dangerous. Unprotected immersion in temperatures below 50°F (10°C) causes quickly maximum intensity cold shock with hyperventilation.

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

In January, the average length of the day in Isla Vista is 10.2h.

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

The average sunshine in January in Isla Vista, California, is 6.8h.

What is the month with 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 in Isla Vista, California.

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

The average daily maximum UV index in January in Isla Vista is 4. A UV Index reading of 3 to 5 represents a medium health risk from unsafe exposure to the Sun's UV rays.

Average temperature in January
Isla Vista, CA

Average temperature in January - Isla Vista, CA
  • Average high temperature in January: 62.2°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 January: 48.7°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 January
Isla Vista, CA

Average pressure in January - Isla Vista, CA
  • Average pressure in January: 30.11"

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 January
Isla Vista, CA

Average wind speed in January - Isla Vista, CA
  • Average wind speed in January: 6.5mph

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 January
Isla Vista, CA

Average humidity in January - Isla Vista, CA
  • Average humidity in January: 59%

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 January
Isla Vista, CA

Average rainfall in January - Isla Vista, CA
  • Average rainfall in January: 1.57"

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 January
Isla Vista, CA

Average rainfall days in January - Isla Vista, CA
  • Average rainfall days in January: 5.3 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 January
Isla Vista, CA

Average sea temperature in January - Isla Vista, CA
  • Average sea temperature in January: 56.8°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 January /
Average sunshine in January
Isla Vista, CA

Average daylight in January / Average sunshine in January - Isla Vista, CA
  • Average daylight in January: 10.2h

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 January: 6.8h

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 January
Isla Vista, CA

Average sunshine days in January - Isla Vista, CA
  • Average sunshine days in January: 24.9 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 January
Isla Vista, CA

Average UV index in January - Isla Vista, CA
  • Average UV index in January: 4

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 January
Isla Vista, CA

Average cloud cover in January - Isla Vista, CA
  • Average cloud cover in January: 21

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 January
Isla Vista, CA

Average visibility in January - Isla Vista, CA
  • Average visibility in January: 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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