March weather forecast
Seal Beach, CA

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Weather in March

March, the first month of the spring in Seal Beach, is still a refreshing month, with an average temperature ranging between min 53.6°F (12°C) and max 65.3°F (18.5°C).

Temperature

In March, Seal Beach experiences a minor shift in meteorological conditions with average high-temperatures marked at a still enjoyable 65.3°F (18.5°C), closely mirroring the climate in February. Seal Beach records an average nighttime low of 53.6°F (12°C) in March.

Humidity

In Seal Beach, the average relative humidity in March is 66%.

Rainfall

In Seal Beach, in March, during 8.1 rainfall days, 1.1" (28mm) of precipitation is typically accumulated. Throughout the year, there are 57.8 rainfall days, and 8.82" (224mm) of precipitation is accumulated.

Ocean temperature

In March, the average ocean temperature in Seal Beach is 58.5°F (14.7°C).
Note: Entering waters of 58.5°F (14.7°C) is life-endangering. A mere moment in 55.4°F (13°C) waters feels piercing cold, and below 50°F (10°C) it can lead to immediate cold shock and cessation of breathing control, depending on body resilience.

Daylight

The average length of the day in March is 12h and 0min.
On the first day of the month, sunrise is at 6:19 am and sunset at 5:49 pm PST. On the last day of March, sunrise is at 6:39 am and sunset at 7:12 pm PDT.
Note: On Sunday, March 10. 2024, at 2:00 am, Daylight Saving Time starts, and the time zone changes from PST to PDT. Daylight Saving Time lasts until Sunday, November 3. 2024, at 2:00 am; consequently, the time zone reverts from PDT to PST.

Sunshine

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

UV index

The months with the lowest UV index 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 health hazard from unprotected exposure to Sun's UV rays for average individuals.
Note: In March, the maximum UV index of 4 transforms into these recommendations:
Exercise caution. The susceptibility of light skin individuals to burns is less than 30 minutes. UV radiation from the Sun is most dangerous during midday; take precautions and seek 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.
Updated: Aug 10, 2024
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate

Frequently asked questions

What is the average March temperature?

During March, Seal Beach experiences an average high-temperature of 65.3°F (18.5°C) and a low-temperature of 53.6°F (12°C).

What is the average humidity in March?

In March, the average relative humidity 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 water 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.

What is the average length of the day in March in Seal Beach?

In Seal Beach, the average day length in March is 12h and 0min.

When is the sunrise / sunset in March?

In March, on the first day of the month, sunrise is at 6:19 am and sunset at 5:49 pm PST. On the last day of the month, sunrise is at 6:39 am and sunset at 7:12 pm PDT.

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

On Sunday, March 10. 2024, at 2:00 am, Daylight Saving Time starts, and the time zone changes from PST to PDT. DST ends Sunday, November 3. 2024, at 2:00 am.

How long on average sun shines in March?

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

What is the month with the lowest UV index?

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

What is the UV index intensity in March?

In March, the average daily maximum UV index is 4. A UV Index estimate of 3 to 5 represents a moderate vulnerability from unprotected exposure to UV radiation.
Average humidity
Average rainfall days
Average daylight
Average sunshine
Average sunshine days
Average UV index
Average cloud cover
Average visibility

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).

Average pressure in March
Seal Beach, CA

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

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

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).

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%).

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").

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).
The months with the least rainy days are June and August (2.3 days).

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).

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 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: 10h and 0min).

  • Average sunshine in March: 8h and 4min

The month with the most sunshine is August (Average sunshine: 12h and 0min).
The month with the least sunshine is December (Average sunshine: 6h and 42min).

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).

Average UV index in March
Seal Beach, CA

Average UV index in March - Seal Beach, CA
  • Average UV index in March: 4

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

Average cloud cover in March
Seal Beach, CA

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

Average visibility in March
Seal Beach, CA

Average visibility in March - Seal Beach, 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).

Seal Beach, California, USA

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