March weather forecast
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

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

Temperature

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

Humidity

The average relative humidity in March is 62%.

Rainfall

In Santa Monica, during 6.8 rainfall days, 1.14" (29mm) of precipitation is typically accumulated. In Santa Monica, California, during the entire year, the rain falls for 48.8 days and collects up to 7.52" (191mm) of precipitation.

Ocean temperature

The months with the coldest seawater are January through May and December, with an average ocean temperature of 59°F (15°C).
Note: For most, swimming in 59°F (15°C) is not an enjoyable activity. Furthermore, controlling your breathing becomes progressively more difficult as the water temperature decreases from 69.8°F (21°C) to 59°F (15°C).

Daylight

In Santa Monica, the average length of the day in March is 12h and 0min.
On the first day of March, sunrise is at 6:22 am and sunset at 5:50 pm PST. On the last day of the month, sunrise is at 6:42 am and sunset at 7:13 pm PDT.
Note: On Sunday, March 12. 2023, at 2:00 am, Daylight Saving Time starts, and the time zone changes from PST to PDT. Daylight Saving Time lasts until Sunday, November 5. 2023, at 2:00 am; consequently, the time zone reverts from PDT to PST.

Sunshine

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

UV index

In Santa Monica, the average daily maximum UV index in March is 5. A UV Index estimate of 3 to 5 represents a medium vulnerability from unprotected exposure to Sun's UV rays for average individuals.
Note: The daily maximum UV index of 5 in March interpret into the following advice:
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.
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FAQ

What is the temperature in March in Santa Monica?

The average high-temperature, in March, is 66.7°F (19.3°C), while the average low-temperature is 51.4°F (10.8°C).

What is the average humidity in March in Santa Monica?

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

How much does it rain in Santa Monica in March?

In March, the rain falls for 6.8 days. Throughout March, 1.14" (29mm) of precipitation is accumulated.

When is the ocean coldest in Santa Monica?

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

How cold is the water 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 March, the average day length is 12h and 0min.

When are sunrise and sunset in March in Santa Monica?

On the first day of March in Santa Monica, California, sunrise is at 6:22 am and sunset at 5:50 pm PST. On the last day of the month, sunrise is at 6:42 am and sunset at 7:13 pm PDT.

When does Daylight Saving Time (DST) start in March in Santa Monica?

On Sunday, March 12. 2023, at 2:00 am, Daylight Saving Time starts in Santa Monica, and the time zone changes from PST to PDT. DST ends Sunday, November 5. 2023, at 2:00 am.

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

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

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

In March, the average daily maximum UV index is 5. A UV Index of 3 to 5 symbolizes a medium health risk from exposure to the Sun's UV radiation.
Average humidity
Average rainfall days
Average sea temperature
Average daylight
Average sunshine
Average sunshine days
Average UV index
Average cloud cover
Average visibility

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).

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Average pressure in March
Santa Monica, CA

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

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

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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).

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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%).

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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").

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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).

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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).

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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 and 0min

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 March: 8h and 5min

The months with the most sunshine are July and August (Average sunshine: 11h and 54min).
The months with the least sunshine are February and December (Average sunshine: 6h and 36min).

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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).

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Average UV index in March
Santa Monica, CA

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

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, November and December (UV index 4).

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Average cloud cover in March
Santa Monica, CA

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

The 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).

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Average visibility in March
Santa Monica, CA

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