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

March weather forecast and climate
Santa Monica, CA

A night view of the neon-lit fun park in Santa Monica, California, with a view of the iconic Ferris wheel and pier, all reflected in the seawater below
A night view of the neon-lit fun park in Santa Monica, California, with a view of the iconic Ferris wheel and pier, all reflected in the seawater below
The first month of the spring, March, is still a comfortable month in Santa Monica, California, with average temperature ranging between min 53.1°F (11.7°C) and max 63°F (17.2°C).

Temperature

The coldest months are February and March, with an average high-temperature of 63°F (17.2°C).

Rainfall

In March, the rain falls for 5.1 days. Throughout March, 2" (49.8mm) of precipitation is accumulated. Throughout the year, in Santa Monica, there are 32.7 rainfall days, and 12.8" (324.9mm) of precipitation is accumulated.

Ocean temperature

Months with the coldest seawater in Santa Monica are January through May and December, with an average ocean temperature of 59°F (15°C).
Note: Swimming in 59°F (15°C) is not enjoyable for the majority. Controlling breathing becomes progressively more difficult as surface water temperature decreases below 69.8°F (21°C).

Daylight

In Santa Monica, the average length of the day is 12h.

Sunshine

The average sunshine in Santa Monica is 8h.

UV index

In March, the average daily maximum UV index 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 average individuals.
Note: The daily maximum UV index of 6 interpret into the following advice:
Take precautions against overexposure. Protection against sun damage is needed. 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 are the coldest months in Santa Monica?

The coldest months in Santa Monica are February and March, with an average high-temperature of 63°F (17.2°C).

What is the temperature in March in Santa Monica?

In March, in Santa Monica, California, the average high-temperature is 63°F (17.2°C), and the average low-temperature is 53.1°F (11.7°C).

How much does it rain in Santa Monica in March?

In Santa Monica, California, in March, during 5.1 rainfall days, 2" (49.8mm) of precipitation is typically accumulated.

What are the months with the coldest ocean in Santa Monica?

January through May and December, with an average ocean temperature of 59°F (15°C), are months with the coldest seawater in Santa Monica, California.

What is the ocean temperature in March in Santa Monica?

In Santa Monica, California, in March, the average water temperature is 59°F (15°C). For swimming, a surface water temperature of 59°F (15°C) is not enjoyable for the majority. It is not considered safe, as controlling breathing becomes progressively more difficult as water temperature decreases below 69.8°F (21°C).

What is the average length of the day in March in Santa Monica?

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

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

In Santa Monica, California, the average sunshine in March is 8h.

What is the UV index intensity in March in Santa Monica?

In March, the average daily maximum UV index in Santa Monica, California, is 6. A UV Index estimate of 6 to 7 represents a high health vulnerability from the exposure to the Sun's UV rays.
Average temperature in March - Santa Monica, CA
  • Average high temperature in March: 63°F

Warmest months (with the highest average high temperature) are August and September (71°F).
Months with the lowest average high temperature are February and March (63°F).

  • Average low temperature in March: 53°F

Months with the highest average low temperature are July, August and September (63°F).
Coldest months (with the lowest average low temperature) are January and December (51°F).

Average rainfall in March - Santa Monica, CA
  • Average rainfall in March: 2"

The wettest month (with the highest rainfall) is February (3.4").
Driest months (with the lowest rainfall) are June, July and August (0").

Average rainfall days in March - Santa Monica, CA
  • Average rainfall days in March: 5.1 days

The month with the highest number of rainy days is February (7.9 days).
The month with the lowest number of rainy days is July (0.1 days).

Average sea temperature in March - Santa Monica, CA
  • Average sea temperature in March: 59°F

Best months for swimming (with the highest average sea temperature) are August, September and October (66°F).
Coldest months (with the lowest average sea temperature) are January, February, March, April, May and December (59°F).

Average daylight in March / Average sunshine in March - Santa Monica, 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: 8h

The month with most sunshine is July (Average sunshine: 12h).
Months with least sunshine are January, November and December (Average sunshine: 7).

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

The month with the highest UV index is July (UV index 11).
Months with the lowest UV index are January and December (UV index 3).