March weather forecast and climate
Santa Monica, CA

The neon-lit fun park in Santa Monica, California, with a view of the iconic Ferris wheel and pier
The neon-lit fun park in Santa Monica, California, with a view of the iconic Ferris wheel and pier

Weather in March

March, the first month of the spring, in Santa Monica, is still a comfortable month, with temperature in the range of an average high of 66.7°F (19.3°C) and an average low of 51.4°F (10.8°C).

Temperature

In March, the average high-temperature is practically the same as in February - a still enjoyable 66.7°F (19.3°C). In Santa Monica, in March, the average low-temperature is 51.4°F (10.8°C).

Humidity

In Santa Monica, the average relative humidity in March is 62%.

Rainfall

In Santa Monica, it is raining for 6.8 days, with typically 1.14" (29mm) of accumulated precipitation. Throughout the year, in Santa Monica, there are 48.8 rainfall days, and 7.52" (191mm) of precipitation is accumulated.

Ocean temperature

January through May and December, with an average ocean temperature of 59°F (15°C), are months with the coldest seawater in Santa Monica.
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 March, the average length of the day in Santa Monica is 12h.

Sunshine

In Santa Monica, the average sunshine in March is 8.8h.

UV index

In March, the average daily maximum UV index in Santa Monica is 5. A UV Index estimate of 3 to 5 represents a medium vulnerability from unsafe exposure to the UV radiation for average individuals.
Note: The daily maximum UV index of 5 interpret into the following advice:
Take precautions - Protection against sunburn is recommended. The solar radiation is most powerful near the mid-day, so the exposure to the direct Sun should be reduced accordingly. 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.
[Resources]

FAQ

What is the temperature in March in Santa Monica?

In Santa Monica, California, in March, the average high-temperature is 66.7°F (19.3°C), and the average low-temperature is 51.4°F (10.8°C).

What is the average humidity in March in Santa Monica?

The average relative humidity in March in Santa Monica, California, is 62%.

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

In Santa Monica, California, in March, it is raining for 6.8 days, with typically 1.14" (29mm) of accumulated precipitation.

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.

How cold is the water in March in Santa Monica?

In Santa Monica, California, the average seawater temperature in March is 59°F (15°C). 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).

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

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

How long on average sun shines in March in Santa Monica?

In Santa Monica, the average sunshine in March is 8.8h.

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

In Santa Monica, the average daily maximum UV index in March is 5. A UV Index value of 3 to 5 symbolizes a moderate vulnerability from unsafe exposure to the Sun's UV rays.

Average temperature in March
Santa Monica, CA

Average temperature in March - Santa Monica, CA
  • Average high temperature in March: 66.7°F

The warmest month (with the highest average high temperature) is August (80.8°F).
The month with the lowest average high temperature is December (63.9°F).

  • Average low temperature in March: 51.4°F

The month with the highest average low temperature is August (64.4°F).
The coldest month (with the lowest average low temperature) is February (50.5°F).

[Resources]

Average pressure in March
Santa Monica, CA

Average pressure in March - Santa Monica, CA
  • Average pressure in March: 30.04"

The month with the highest atmospheric pressure is January (30.1").
Months with the lowest atmospheric pressure are June and September (29.9").

[Resources]

Average wind speed in March
Santa Monica, CA

Average wind speed in March - Santa Monica, CA
  • Average wind speed in March: 5.9mph

The windiest month (with the highest average wind speed) is April (6.3mph).
The calmest months (with the lowest average wind speed) are August and September (4.8mph).

[Resources]

Average humidity in March
Santa Monica, CA

Average humidity in March - Santa Monica, CA
  • Average humidity in March: 62%

The month with the highest relative humidity is June (69%).
The month with the lowest relative humidity is November (52%).

[Resources]

Average rainfall in March
Santa Monica, CA

Average rainfall in March - Santa Monica, CA
  • Average rainfall in March: 1.14"

The wettest month (with the highest rainfall) is January (1.54").
The driest months (with the least rainfall) are June and August (0.08").

[Resources]

Average rainfall days in March
Santa Monica, CA

Average rainfall days in March - Santa Monica, CA
  • Average rainfall days in March: 6.8 days

The month with the highest number of rainy days is March (6.8 days).
The month with the least rainy days is August (1.8 days).

[Resources]

Average sea temperature in March
Santa Monica, CA

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

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

[Resources]

Average daylight in March /
Average sunshine in March
Santa Monica, CA

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 the shortest days is December (Average daylight: 9.9h).

  • Average sunshine in March: 8.8h

Months with the most sunshine are July and August (Average sunshine: 11.9h).
Months with the least sunshine are February and December (Average sunshine: 6.6).

[Resources]

Average sunshine days in March
Santa Monica, CA

Average sunshine days in March - Santa Monica, CA
  • Average sunshine days in March: 23.6 days

The month with the most sunshine days is August (27.9 days).
The month with the least sunshine days is February (21.8 days).

[Resources]

Average UV index in March
Santa Monica, CA

Average UV index in March - Santa Monica, CA
  • Average UV index in March: 5

Months with the highest UV index are June, July, August and September (UV index 6).
Months with the lowest UV index are January, February, November and December (UV index 4).

[Resources]

Average cloud cover in March
Santa Monica, CA

Average cloud cover in March - Santa Monica, CA
  • Average cloud cover in March: 23

Months with the most cloud cover are March and December (Cloud cover 23).
The month with the least cloud cover is August (Cloud cover 8).

[Resources]

Average visibility in March
Santa Monica, CA

Average visibility in March - Santa Monica, CA
  • Average visibility in March: 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).

[Resources]