April weather forecast and climate
Sausalito, CA

The colorful waterfront homes and the hilly region over the clear blue water of the ocean, Sausalito, California
The colorful waterfront homes and the hilly region over the clear blue water of the ocean, Sausalito, California

Weather in April

April in Sausalito, California, is an enjoyable spring month, with temperature in the range of an average high of 62.2°F (16.8°C) and an average low of 48.6°F (9.2°C).

Temperature

In April, the average high-temperature is essentially the same as in March - an enjoyable 62.2°F (16.8°C). In Sausalito, the average low-temperature is 48.6°F (9.2°C).

Humidity

In Sausalito, the average relative humidity in April is 74%.

Rainfall

In Sausalito, in April, it is raining for 6.3 days, with typically 0.24" (6mm) of accumulated precipitation. In Sausalito, during the entire year, the rain falls for 64.2 days and collects up to 4.8" (122mm) of precipitation.

Ocean temperature

Months with the coldest seawater are April through June, with an average ocean temperature of 53.1°F (11.7°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

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

Sunshine

The average sunshine in April is 10.1h.

UV index

Months with the highest UV index in Sausalito are April, June through September, with an average maximum UV index of 5. A UV Index of 3 to 5 symbolizes a medium vulnerability from the exposure to the Sun's UV radiation for average individuals.
Note: The daily maximum UV index of 5 in April 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. 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 Sausalito?

The average high-temperature, in April, in Sausalito, California, is 62.2°F (16.8°C), while the average low-temperature is 48.6°F (9.2°C).

What is the average humidity in April in Sausalito?

In April, the average relative humidity in Sausalito is 74%.

How many days does it rain in April in Sausalito?

In Sausalito, in April, during 6.3 rainfall days, 0.24" (6mm) of precipitation is typically accumulated.

When is the ocean coldest in Sausalito?

April through June, with an average ocean temperature of 53.1°F (11.7°C), are months with the coldest seawater in Sausalito.

How cold is the water in April in Sausalito?

In Sausalito, the average seawater temperature in April is 53.1°F (11.7°C). Swimming in 53.1°F (11.7°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 April in Sausalito?

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

How long on average sun shines in April in Sausalito?

In Sausalito, the average sunshine in April is 10.1h.

When is the highest UV index in Sausalito?

April, June through September, with an average maximum UV index of 5, are months with the highest UV index in Sausalito.

How high is the UV index in April in Sausalito?

The average daily maximum UV index in April in Sausalito, California, is 5. A UV Index reading of 3 to 5 represents a medium hazard to health from the exposure to the Sun's UV rays.

Average temperature in April
Sausalito, CA

Average temperature in April - Sausalito, CA
  • Average high temperature in April: 62.2°F

The warmest month (with the highest average high temperature) is September (72.3°F).
The month with the lowest average high temperature is December (55.2°F).

  • Average low temperature in April: 48.6°F

The month with the highest average low temperature is September (56.5°F).
The coldest months (with the lowest average low temperature) are January and December (46.2°F).

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Average pressure in April
Sausalito, CA

Average pressure in April - Sausalito, CA
  • Average pressure in April: 30.03"

The month with the highest atmospheric pressure is January (30.13").
Months with the lowest atmospheric pressure are June, August and September (29.92").

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Average wind speed in April
Sausalito, CA

Average wind speed in April - Sausalito, CA
  • Average wind speed in April: 7.8mph

The windiest month (with the highest average wind speed) is May (7.9mph).
The calmest months (with the lowest average wind speed) are October and November (5.7mph).

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Average humidity in April
Sausalito, CA

Average humidity in April - Sausalito, CA
  • Average humidity in April: 74%

Months with the highest relative humidity are March and August (76%).
The month with the lowest relative humidity is October (68%).

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Average rainfall in April
Sausalito, CA

Average rainfall in April - Sausalito, CA
  • Average rainfall in April: 0.24"

The wettest month (with the highest rainfall) is February (0.98").
The driest months (with the least rainfall) are June, July, August and September (0.08").

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Average rainfall days in April
Sausalito, CA

Average rainfall days in April - Sausalito, CA
  • Average rainfall days in April: 6.3 days

The month with the highest number of rainy days is March (10.5 days).
The month with the least rainy days is June (1.9 days).

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Average sea temperature in April
Sausalito, CA

Average sea temperature in April - Sausalito, CA
  • Average sea temperature in April: 53°F

The best month for swimming (with the highest average sea temperature) is September (57.3°F).
The coldest months (with the lowest average sea temperature) are April and June (53°F).

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Average daylight in April /
Average sunshine in April
Sausalito, CA

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

The month with the longest days is June (Average daylight: 14.8h).
The month with the shortest days is December (Average daylight: 9.6h).

  • Average sunshine in April: 10.1h

The month with the most sunshine is July (Average sunshine: 11.4h).
The month with the least sunshine is December (Average sunshine: 5.7h).

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Average sunshine days in April
Sausalito, CA

Average sunshine days in April - Sausalito, CA
  • Average sunshine days in April: 22.3 days

The month with the most sunshine days is October (25 days).
The month with the least sunshine days is March (18.4 days).

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Average UV index in April
Sausalito, CA

Average UV index in April - Sausalito, CA
  • Average UV index in April: 5

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

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Average cloud cover in April
Sausalito, CA

Average cloud cover in April - Sausalito, CA
  • Average cloud cover in April: 29

The month with the most cloud cover is March (Cloud cover 38).
The month with the least cloud cover is September (Cloud cover 18).

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Average visibility in April
Sausalito, CA

Average visibility in April - Sausalito, 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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