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

March 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
March, the first month of the spring, in Santa Barbara, is still a comfortable month, with average temperature fluctuating between 49.8°F (9.9°C) and 66°F (18.9°C).

Temperature

In Santa Barbara, the average high-temperature in March is relatively the same as in February - a still comfortable 66°F (18.9°C). The average low-temperature, in March, is 49.8°F (9.9°C).

Rainfall

In Santa Barbara, it is raining for 6.5 days, with typically 3.1" (78mm) of accumulated precipitation. In Santa Barbara, during the entire year, the rain falls for 37 days and collects up to 18.1" (459mm) of precipitation.

Ocean temperature

In Santa Barbara, the average water temperature is 56.1°F (13.4°C).
Note: Swimming in 56.1°F (13.4°C) is considered dangerous. Unprotected immersion in temperatures below 50°F (10°C) causes quickly maximum intensity cold shock with hyperventilation.

Daylight

The average length of the day in Santa Barbara is 12h.

Sunshine

The average sunshine in March is 9h.

UV index

The average daily maximum UV index in Santa Barbara is 6. A UV Index estimate of 6 to 7 represents a high health hazard from unprotected exposure to the Sun's UV rays for ordinary individuals.
Note: The daily maximum UV index of 6 interpret into the following advice:
Take precautions and utilize sun safety practices. Protection against the skin and eye damage is required. The Sun's UV radiation is most powerful between 10 a.m. and 4 p.m. To the extent possible, limit exposure to the direct sun during these hours. 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.

What is the temperature in March in Santa Barbara?

In Santa Barbara, California, in March, the average high-temperature is 66°F (18.9°C), and the average low-temperature is 49.8°F (9.9°C).

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

In Santa Barbara, in March, it is raining for 6.5 days, with typically 3.1" (78mm) of accumulated precipitation.

How cold is the water in March in Santa Barbara?

In March, the average ocean temperature in Santa Barbara is 56.1°F (13.4°C). Swimming in 56.1°F (13.4°C) is considered dangerous. Unprotected immersion in temperatures below 50°F (10°C) causes quickly maximum intensity cold shock with hyperventilation.

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

In Santa Barbara, California, the average length of the day in March is 12h.

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

In Santa Barbara, the average sunshine in March is 9h.

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

In Santa Barbara, the average daily maximum UV index in March is 6. A UV Index value of 6 to 7 symbolizes a high hazard to health from the exposure to the Sun's UV radiation.
Average temperature in March - Santa Barbara, CA
  • Average high temperature in March: 66.1°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 March: 49.8°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 March - Santa Barbara, CA
  • Average rainfall in March: 3.1"

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 March - Santa Barbara, CA
  • Average rainfall days in March: 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 March - Santa Barbara, CA
  • Average sea temperature in March: 56.1°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 March / Average sunshine in March - Santa Barbara, CA
  • Average daylight in March: 12h

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 March: 9h

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 March - Santa Barbara, CA
  • Average UV index in March: 6

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).