March weather forecast and climate
Seal Beach, CA

Weather in March

The first month of the spring, March, is still a comfortable month in Seal Beach, California, with average temperature fluctuating between 65.3°F (18.5°C) and 53.6°F (12°C).

Temperature

In March, the average high-temperature is relatively the same as in February - a still comfortable 65.3°F (18.5°C). In Seal Beach, in March, the average low-temperature is 53.6°F (12°C).

Humidity

The average relative humidity in Seal Beach is 66%.

Rainfall

In Seal Beach, during March, the rain falls for 8.1 days and regularly aggregates up to 1.1" (28mm) of precipitation. In Seal Beach, during the entire year, the rain falls for 57.8 days and collects up to 8.82" (224mm) of precipitation.

Ocean temperature

In Seal Beach, California, the average seawater temperature in March is 58.5°F (14.7°C).
Note: At temperatures below 50°F (10°C), swimming in a suitably protected swimsuit is feasible; otherwise, cold shock and loss of breathing control are imminent. Even a short swim, without thermal protection, at temperatures around 55.4°F (13°C) is not comfortable.

Daylight

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

Sunshine

In March, the average sunshine in Seal Beach is 8.7h.

UV index

Months with the lowest UV index in Seal Beach are January through March, November and December, with an average maximum UV index of 4. A UV Index estimate of 3 to 5 represents a medium vulnerability from the exposure to the Sun's UV rays for the ordinary person.
Note: The daily maximum UV index of 4 in March interpret into the following advice:
Take precautions. Light skin individuals may get burned in less than 30 minutes. The Sun's most intense and consequently most harmful UV radiation during midday hours should be decreased by minimizing exposure and seeking shade. Sun-protective clothing, a long-sleeved shirt and pants, a wide-brimmed hat, and UVA and UVB-blocking sunglasses are particularly helpful in blocking UV radiation's harmful effects.
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FAQ

What is the average humidity in March in Seal Beach?

The average relative humidity in March is 66%.

How much does it rain in Seal Beach in March?

In Seal Beach, during March, the rain falls for 8.1 days and regularly aggregates up to 1.1" (28mm) of precipitation.

How cold is the water in March in Seal Beach?

In March, the average ocean temperature is 58.5°F (14.7°C). Swimming in 58.5°F (14.7°C) is considered life-threatening. Even a few minutes in 55.4°F (13°C) water is uncomfortable, and swimming below 50°F (10°C) may cause total loss of breathing control and cold shock, depending on a person's physique.

How many hours of daylight does Seal Beach have in March?

In Seal Beach, the average length of the day in March is 12h.

How many hours of sunshine does Seal Beach have in March?

The average sunshine in March in Seal Beach is 8.7h.

What is the month with the lowest UV index in Seal Beach?

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

What is the UV index intensity in March in Seal Beach?

In March, the average daily maximum UV index in Seal Beach is 4. A UV Index reading of 3 to 5 represents a moderate vulnerability from unprotected exposure to the UV radiation.

Average temperature in March
Seal Beach, CA

Average temperature in March - Seal Beach, CA
  • Average high temperature in March: 65.3°F

The warmest month (with the highest average high temperature) is August (77.4°F).
The month with the lowest average high temperature is December (62.8°F).

  • Average low temperature in March: 53.6°F

The month with the highest average low temperature is August (65.3°F).
The coldest month (with the lowest average low temperature) is February (52.7°F).

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Average pressure in March
Seal Beach, CA

Average pressure in March - Seal Beach, CA
  • Average pressure in March: 30.03"

The month with the highest atmospheric pressure is January (30.1").
Months with the lowest atmospheric pressure are June and September (29.89").

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Average wind speed in March
Seal Beach, CA

Average wind speed in March - Seal Beach, CA
  • Average wind speed in March: 6.2mph

The windiest month (with the highest average wind speed) is April (6.7mph).
The calmest months (with the lowest average wind speed) are August, September and October (5.3mph).

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Average humidity in March
Seal Beach, CA

Average humidity in March - Seal Beach, CA
  • Average humidity in March: 66%

The month with the highest relative humidity is June (73%).
The month with the lowest relative humidity is November (57%).

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Average rainfall in March
Seal Beach, CA

Average rainfall in March - Seal Beach, CA
  • Average rainfall in March: 1.1"

The wettest month (with the highest rainfall) is December (1.77").
The driest month (with the least rainfall) is June (0.04").

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Average rainfall days in March
Seal Beach, CA

Average rainfall days in March - Seal Beach, CA
  • Average rainfall days in March: 8.1 days

The month with the highest number of rainy days is March (8.1 days).
Months with the least rainy days are June and August (2.3 days).

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Average sea temperature in March
Seal Beach, CA

Average sea temperature in March - Seal Beach, CA
  • Average sea temperature in March: 58.4°F

The best months for swimming (with the highest average sea temperature) are July and August (67.9°F).
The coldest month (with the lowest average sea temperature) is January (58.3°F).

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Average daylight in March /
Average sunshine in March
Seal Beach, CA

Average daylight in March / Average sunshine in March - Seal Beach, 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: 8.7h

The month with the most sunshine is August (Average sunshine: 12h).
The month with the least sunshine is December (Average sunshine: 6.7h).

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Average sunshine days in March
Seal Beach, CA

Average sunshine days in March - Seal Beach, CA
  • Average sunshine days in March: 21.2 days

The month with the most sunshine days is August (26.3 days).
The month with the least sunshine days is February (19.3 days).

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Average UV index in March
Seal Beach, CA

Average UV index in March - Seal Beach, 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
Seal Beach, CA

Average cloud cover in March - Seal Beach, 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 7).

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Average visibility in March
Seal Beach, CA

Average visibility in March - Seal Beach, 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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