April weather forecast and climate
Moss Beach, CA

Weather in April

April, the same as March, in Moss Beach, California, is a moderate spring month, with temperature in the range of an average high of 59.5°F (15.3°C) and an average low of 50.2°F (10.1°C).

Temperature

In April, the average high-temperature is essentially the same as in March - a still moderate 59.5°F (15.3°C). The average low-temperature, in Moss Beach, California, is 50.2°F (10.1°C).

Humidity

In April, the average relative humidity in Moss Beach, California, is 77%.

Rainfall

In Moss Beach, during April, the rain falls for 7.1 days and regularly aggregates up to 0.28" (7mm) of precipitation. In Moss Beach, California, during the entire year, the rain falls for 77.3 days and collects up to 6.81" (173mm) of precipitation.

Ocean temperature

April and June, with an average ocean temperature of 52.5°F (11.4°C), are months with the coldest seawater.
Note: Swimming in 52.5°F (11.4°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.

Daylight

In April, the average length of the day is 13.2h.

Sunshine

In April, the average sunshine in Moss Beach is 10h.

UV index

In April, the average daily maximum UV index in Moss Beach, California, is 4. A UV Index value of 3 to 5 symbolizes a moderate health risk from unsafe exposure to the UV radiation for average individuals.
Note: In April, 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. 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 April in Moss Beach?

In April, the average high-temperature is 59.5°F (15.3°C), and the average low-temperature is 50.2°F (10.1°C).

What is the average humidity in April in Moss Beach?

In Moss Beach, the average relative humidity in April is 77%.

How many days does it rain in April in Moss Beach?

In Moss Beach, in April, during 7.1 rainfall days, 0.28" (7mm) of precipitation is typically accumulated.

What months are the ocean coldest in Moss Beach?

April and June, with an average ocean temperature of 52.5°F (11.4°C), are months with the coldest seawater in Moss Beach.

What is the water temperature in April in Moss Beach?

In Moss Beach, in April, the average water temperature is 52.5°F (11.4°C). Swimming in 52.5°F (11.4°C) is considered dangerous. Unprotected immersion in temperatures below 50°F (10°C) causes quickly maximum intensity cold shock with hyperventilation.

How many hours of daylight does Moss Beach have in April?

The average length of the day in April in Moss Beach, California, is 13.2h.

How many hours of sunshine does Moss Beach have in April?

In April, the average sunshine in Moss Beach, California, is 10h.

How high is the UV index in April in Moss Beach?

In April, the average daily maximum UV index in Moss Beach, California, is 4. A UV Index reading of 3 to 5 represents a moderate vulnerability from unsafe exposure to the Sun's UV rays.

Average temperature in April
Moss Beach, CA

Average temperature in April - Moss Beach, CA
  • Average high temperature in April: 59.5°F

The warmest month (with the highest average high temperature) is September (67.5°F).
The month with the lowest average high temperature is December (55.6°F).

  • Average low temperature in April: 50.2°F

The month with the highest average low temperature is September (56.8°F).
The coldest months (with the lowest average low temperature) are January and February (48.7°F).

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Average pressure in April
Moss Beach, CA

Average pressure in April - Moss Beach, CA
  • Average pressure in April: 30.04"

The month with the highest atmospheric pressure is January (30.13").
The month with the lowest atmospheric pressure is September (29.92").

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Average wind speed in April
Moss Beach, CA

Average wind speed in April - Moss Beach, CA
  • Average wind speed in April: 9.4mph

The windiest month (with the highest average wind speed) is April (9.4mph).
The calmest months (with the lowest average wind speed) are August and September (6.8mph).

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Average humidity in April
Moss Beach, CA

Average humidity in April - Moss Beach, CA
  • Average humidity in April: 77%

The month with the highest relative humidity is August (82%).
Months with the lowest relative humidity are November and December (72%).

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Average rainfall in April
Moss Beach, CA

Average rainfall in April - Moss Beach, CA
  • Average rainfall in April: 0.28"

The wettest month (with the highest rainfall) is February (1.34").
The driest months (with the least rainfall) are June, July and September (0.12").

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Average rainfall days in April
Moss Beach, CA

Average rainfall days in April - Moss Beach, CA
  • Average rainfall days in April: 7.1 days

The month with the highest number of rainy days is March (10.5 days).
The month with the least rainy days is September (3.6 days).

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Average sea temperature in April
Moss Beach, CA

Average sea temperature in April - Moss Beach, CA
  • Average sea temperature in April: 52.5°F

The best month for swimming (with the highest average sea temperature) is September (56.9°F).
The coldest month (with the lowest average sea temperature) is June (52.4°F).

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Average daylight in April /
Average sunshine in April
Moss Beach, CA

Average daylight in April / Average sunshine in April - Moss Beach, CA
  • Average daylight in April: 13.2h

The month with the longest days is June (Average daylight: 14.7h).
The month with the shortest days is December (Average daylight: 9.6h).

  • Average sunshine in April: 10h

The month with the most sunshine is July (Average sunshine: 11.1h).
The month with the least sunshine is December (Average sunshine: 5.7h).

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Average sunshine days in April
Moss Beach, CA

Average sunshine days in April - Moss Beach, CA
  • Average sunshine days in April: 21.4 days

The month with the most sunshine days is October (24.5 days).
The month with the least sunshine days is August (18.7 days).

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Average UV index in April
Moss Beach, CA

Average UV index in April - Moss Beach, CA
  • Average UV index in April: 4

Months with the highest UV index are June, August and September (UV index 5).
Months with the lowest UV index are February and December (UV index 3).

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Average cloud cover in April
Moss Beach, CA

Average cloud cover in April - Moss Beach, CA
  • Average cloud cover in April: 31

The month with the most cloud cover is March (Cloud cover 39).
Months with the least cloud cover are September and October (Cloud cover 21).

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Average visibility in April
Moss Beach, CA

Average visibility in April - Moss Beach, CA
  • Average visibility in April: 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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