March weather forecast and climate
San Clemente, CA

Weather in March

March, the first month of the spring, in San Clemente, is also an enjoyable month, with average temperature ranging between max 64.8°F (18.2°C) and min 50.5°F (10.3°C).

Temperature

In March, the average high-temperature is practically the same as in February - a still comfortable 64.8°F (18.2°C). In San Clemente, the average low-temperature is 50.5°F (10.3°C).

Humidity

The average relative humidity in San Clemente is 70%.

Rainfall

In San Clemente, it is raining for 7.3 days, with typically 0.39" (10mm) of accumulated precipitation. Throughout the year, there are 51.1 rainfall days, and 3.66" (93mm) of precipitation is accumulated.

Ocean temperature

In San Clemente, the average seawater temperature in March is 59.2°F (15.1°C).
Note: Swimming in 59.2°F (15.1°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

The average length of the day in March is 12h.

Sunshine

In San Clemente, the average sunshine is 8.4h.

UV index

Months with the lowest UV index are January through March, November and December, with an average maximum UV index of 4. A UV Index value of 3 to 5 symbolizes a moderate threat to health from unprotected exposure to the Sun's UV rays for average individuals.
Note: In March, the average maximum UV index of 4 translate into the following recommendations:
Take precautions - Protection against sun damage is advised. 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.
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FAQ

What is the average humidity in March in San Clemente?

In March, the average relative humidity is 70%.

How much does it rain in San Clemente in March?

In San Clemente, in March, it is raining for 7.3 days, with typically 0.39" (10mm) of accumulated precipitation.

What is the ocean temperature in March in San Clemente?

In San Clemente, the average seawater temperature in March is 59.2°F (15.1°C). For swimming, a surface water temperature of 59.2°F (15.1°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).

How many hours of daylight does San Clemente have in March?

In San Clemente, the average length of the day in March is 12h.

How many hours of sunshine does San Clemente have in March?

In March, the average sunshine in San Clemente, California, is 8.4h.

What is the month with the lowest UV index in San Clemente?

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

What is the UV index intensity in March in San Clemente?

In San Clemente, California, the average daily maximum UV index in March is 4. A UV Index value of 3 to 5 symbolizes a medium hazard to health from unsafe exposure to the Sun's UV rays.

Average temperature in March
San Clemente, CA

Average temperature in March - San Clemente, CA
  • Average high temperature in March: 64.8°F

The warmest month (with the highest average high temperature) is September (77.4°F).
The month with the lowest average high temperature is December (62.6°F).

  • Average low temperature in March: 50.5°F

Months with the highest average low temperature are August and September (63.5°F).
The coldest month (with the lowest average low temperature) is February (49.6°F).

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Average pressure in March
San Clemente, CA

Average pressure in March - San Clemente, CA
  • Average pressure in March: 30.02"

The month with the highest atmospheric pressure is January (30.09").
The month with the lowest atmospheric pressure is June (29.88").

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Average wind speed in March
San Clemente, CA

Average wind speed in March - San Clemente, CA
  • Average wind speed in March: 5.8mph

The windiest month (with the highest average wind speed) is April (6.2mph).
The calmest months (with the lowest average wind speed) are August and September (4.9mph).

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Average humidity in March
San Clemente, CA

Average humidity in March - San Clemente, CA
  • Average humidity in March: 70%

The month with the highest relative humidity is June (75%).
The month with the lowest relative humidity is November (60%).

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Average rainfall in March
San Clemente, CA

Average rainfall in March - San Clemente, CA
  • Average rainfall in March: 0.39"

The wettest month (with the highest rainfall) is December (0.71").
The driest month (with the least rainfall) is June (0.08").

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Average rainfall days in March
San Clemente, CA

Average rainfall days in March - San Clemente, CA
  • Average rainfall days in March: 7.3 days

The month with the highest number of rainy days is March (7.3 days).
The month with the least rainy days is June (1.4 days).

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Average sea temperature in March
San Clemente, CA

Average sea temperature in March - San Clemente, CA
  • Average sea temperature in March: 59.3°F

The best month for swimming (with the highest average sea temperature) is August (68.3°F).
The coldest months (with the lowest average sea temperature) are January and February (58.9°F).

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Average daylight in March /
Average sunshine in March
San Clemente, CA

Average daylight in March / Average sunshine in March - San Clemente, CA
  • Average daylight in March: 12h

The month with the longest days is June (Average daylight: 14.3h).
The month with the shortest days is December (Average daylight: 10h).

  • Average sunshine in March: 8.4h

Months with the most sunshine are July and August (Average sunshine: 11.8h).
The month with the least sunshine is December (Average sunshine: 6.5h).

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Average sunshine days in March
San Clemente, CA

Average sunshine days in March - San Clemente, CA
  • Average sunshine days in March: 22.3 days

The month with the most sunshine days is October (26 days).
The month with the least sunshine days is February (21.6 days).

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Average UV index in March
San Clemente, CA

Average UV index in March - San Clemente, CA
  • Average UV index in March: 4

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

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Average cloud cover in March
San Clemente, CA

Average cloud cover in March - San Clemente, CA
  • Average cloud cover in March: 27

Months with the most cloud cover are March and May (Cloud cover 27).
The month with the least cloud cover is August (Cloud cover 11).

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Average visibility in March
San Clemente, CA

Average visibility in March - San Clemente, 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).

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