January weather forecast
Santa Barbara, CA

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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

Weather in January

The beginning of the year in Santa Barbara, California, is marked by comparatively mild winter conditions with an average high of 62.2°F (16.8°C) and a low of 48.7°F (9.3°C). Humidity levels hover around the 59% mark and daylight is roughly 10.2 hours. January is the month with the second most recorded rainfall with 1.57" (40mm) over 5.3 days. Winds tend to be gentle, adding to the overall temperate conditions of the month. As January yields to February, residents prepare for similar weather patterns, albeit with slightly increased rainfall and humidity.

Temperature

January brings an average high-temperature of an enjoyable 62.2°F (16.8°C), nearly identical to the preceding month. In Santa Barbara, the average temperature during the nights of January drops to a frosty 48.7°F (9.3°C).

Humidity

In January, the average relative humidity is 59%.

Rainfall

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

Ocean temperature

In January, the average ocean temperature in Santa Barbara is 56.8°F (13.8°C).
Note: In 56.8°F (13.8°C), even brief exposure to 55.4°F (13°C) feels biting, and anything less than 50°F (10°C) risks cold shock and impaired breathing, considering one's health.

Daylight

In Santa Barbara, the average length of the day in January is 10h and 10min.
On the first day of the month, sunrise is at 7:05 am and sunset at 4:59 pm. On the last day of January, sunrise is at 6:57 am and sunset at 5:27 pm PST.

Sunshine

In Santa Barbara, the average sunshine in January 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. A UV Index reading of 3 to 5 represents a moderate health risk from unsafe exposure to UV radiation for the average person.
Note: In January, the maximum UV index of 4 transforms into these recommendations:
Proceed with care. Light skin individuals may be exposed to burns in fewer than 30 minutes. Considering the strength of solar radiation at midday, one should avoid direct Sun exposure. During bright days, sunglasses that offer UVA and UVB defense are recommended.
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Frequently asked questions

What are the temperatures in Santa Barbara in January?

The high-temperature during January is 62.2°F (16.8°C) and the low-temperature is 48.7°F (9.3°C).

What is the average humidity in January in Santa Barbara?

In Santa Barbara, the average relative humidity in January is 59%.

What is the rainiest month in Santa Barbara?

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

How much does it rain in Santa Barbara in January?

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

What is the water temperature in January in Santa Barbara?

In Santa Barbara, in January, the average water temperature 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 Santa Barbara, the average day length in January is 10h and 10min.

When are sunrise and sunset in January in Santa Barbara?

On the first day of January in Santa Barbara, California, sunrise is at 7:05 am and sunset at 4:59 pm. On the last day of the month, sunrise is at 6:57 am and sunset at 5:27 pm PST.

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

In January, the average sunshine duration is 6.8h.

What is the month with the lowest UV index in Santa Barbara?

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

What is the UV index reading in January in Santa Barbara?

In January, the average daily maximum UV index is 4. A UV Index reading of 3 to 5 represents a medium hazard to health from unprotected exposure to UV radiation.

Average temperature in January
Santa Barbara, CA

Average temperature in January - Santa Barbara, 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
Santa Barbara, CA

Average pressure in January - Santa Barbara, CA
  • Average pressure in January: 30.11"Hg

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).

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Average wind speed in January
Santa Barbara, CA

Average wind speed in January - Santa Barbara, 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
Santa Barbara, CA

Average humidity in January - Santa Barbara, CA
  • Average humidity in January: 59%

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

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Average rainfall in January
Santa Barbara, CA

Average rainfall in January - Santa Barbara, 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
Santa Barbara, CA

Average rainfall days in January - Santa Barbara, 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
Santa Barbara, CA

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).

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Average daylight in January /
Average sunshine in January
Santa Barbara, CA

Average daylight in January / Average sunshine in January - Santa Barbara, CA
  • Average daylight in January: 10h and 1min

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).

  • Average sunshine in January: 6h and 5min

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).

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Average sunshine days in January
Santa Barbara, CA

Average sunshine days in January - Santa Barbara, 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
Santa Barbara, CA

Average UV index in January - Santa Barbara, CA
  • Average UV index in January: 4

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).

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Average cloud cover in January
Santa Barbara, CA

Average cloud cover in January - Santa Barbara, 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
Santa Barbara, CA

Average visibility in January - Santa Barbara, CA
  • Average visibility in January: 6mi

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).

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Santa Barbara, California, USA

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