Santa Barbara
California, USA
Long-term weather forecast
Long-term weather forecast

January weather forecast and climate
Santa Barbara, CA

Orange rooftops of the courthouse buildings of Santa Barbara in California, Pacific Ocean
Orange rooftops of the courthouse buildings of Santa Barbara in California, Pacific Ocean
January, the same as December, is another comfortable winter month in Santa Barbara, California, with temperature in the range of an average low of 46.4°F (8°C) and an average high of 64.8°F (18.2°C).

Temperature

The coldest months are January and December, with an average high-temperature of 64.8°F (18.2°C).

Rainfall

The month with the most rainfall is January when the rain falls for 6.5 days and typically aggregates up to 3.8" (97mm) of precipitation.

Ocean temperature

In January, the average ocean temperature is 56.8°F (13.8°C).
Note: 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.

Daylight

In January, the average length of the day in Santa Barbara is 10.2h.

Sunshine

Months with the least sunshine are January, November and December, with an average of 6h of sunshine.

UV index

Months with the lowest UV index in Santa Barbara are January and December, with an average maximum UV index of 3. A UV Index of 3 to 5 symbolizes a medium vulnerability from unprotected exposure to the Sun's UV rays for the average person.
Note: The average daily UV index of 3 transform into the following instructions:
Take precautions - Protection against sunburn is recommended. The Sun's most intense and consequently most harmful UV radiation during midday hours should be decreased by minimizing exposure and seeking shade. On bright days sunglasses that block both UVA and UVB rays should be worn. A hat with a wide brim is extremely helpful, as it can prevent roughly 50% of UV radiation from reaching the eyes.

What are the coldest months in Santa Barbara?

January and December, with an average high-temperature of 64.8°F (18.2°C), are the coldest months in Santa Barbara, California.

What is the temperature in January in Santa Barbara?

In Santa Barbara, in January, the average high-temperature is 64.8°F (18.2°C), and the average low-temperature is 46.4°F (8°C).

How many days does it rain in January in Santa Barbara?

In Santa Barbara, California, in January, during 6.5 rainfall days, 3.8" (97mm) of precipitation is typically accumulated.

What is the rainiest month in Santa Barbara?

The month with the most rainfall is January when the rain falls for 6.5 days and typically aggregates up to 3.8" (97mm) of precipitation.

What is the water temperature in January in Santa Barbara?

In Santa Barbara, the average seawater temperature in January is 56.8°F (13.8°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.

How many hours of daylight does Santa Barbara have in January?

In January, the average length of the day in Santa Barbara, California, is 10.2h.

What is the month with the least sunshine in Santa Barbara?

January, November and December, with an average of 6h of sunshine, are months with the least sunshine in Santa Barbara, California.

How long on average sun shines in January in Santa Barbara?

The average sunshine in January is 6h.

When is the lowest UV index in Santa Barbara?

January and December, with an average maximum UV index of 3, are months with the lowest UV index in Santa Barbara, California.

How high is the UV index in January in Santa Barbara?

The average daily maximum UV index in January in Santa Barbara is 3. A UV Index value of 3 to 5 symbolizes a moderate vulnerability from unsafe exposure to the Sun's UV rays.
Average temperature in January - Santa Barbara, CA
  • Average high temperature in January: 64.7°F

The warmest month (with the highest average high temperature) is August (76°F).
Months with the lowest average high temperature are January and December (64.7°F).

  • Average low temperature in January: 46.4°F

Months with the highest average low temperature are July and August (60.4°F).
The coldest month (with the lowest average low temperature) is January (46.4°F).

Average rainfall in January - Santa Barbara, CA
  • Average rainfall in January: 3.8"

The wettest month (with the highest rainfall) is January (3.8").
Driest months (with the lowest rainfall) are June, July and August (0.1").

Average rainfall days in January - Santa Barbara, CA
  • Average rainfall days in January: 6.5 days

Months with the highest number of rainy days are January and March (6.5 days).
The month with the lowest number of rainy days is July (0.4 days).

Average sea temperature in January - Santa Barbara, 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).

Average daylight in January / Average sunshine in January - Santa Barbara, CA
  • Average daylight in January: 10.2h

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

  • Average sunshine in January: 6h

The month with most sunshine is July (Average sunshine: 11h).
Months with least sunshine are January, November and December (Average sunshine: 6).

Average UV index in January - Santa Barbara, CA
  • Average UV index in January: 3

Months with the highest UV index are June and July (UV index 10).
Months with the lowest UV index are January and December (UV index 3).