April weather forecast and climate
Mendocino, CA

Weather in April

April in Mendocino, California, is a mild spring month, with average temperature ranging between min 47.5°F (8.6°C) and max 56.8°F (13.8°C).

Temperature

In April, the average high-temperature is almost the same as in March - a mild 56.8°F (13.8°C). The average low-temperature, in Mendocino, is 47.5°F (8.6°C).

Humidity

In Mendocino, the average relative humidity is 79%.

Rainfall

In Mendocino, California, it is raining for 6.3 days, with typically 0.55" (14mm) of accumulated precipitation. In Mendocino, during the entire year, the rain falls for 68.4 days and collects up to 9.53" (242mm) of precipitation.

Snowfall

In Mendocino snow does not fall in January, March through December.

Ocean temperature

Months with the coldest seawater in Mendocino, California, are February and April, with an average ocean temperature of 52.2°F (11.2°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 Mendocino, California, the average length of the day in April is 13.3h.

Sunshine

In Mendocino, the average sunshine in April is 9.9h.

UV index

The average daily maximum UV index in Mendocino, California, is 4. A UV Index reading of 3 to 5 represents a medium vulnerability from the exposure to the Sun's UV rays for the ordinary person.
Note: The average daily UV index of 4 transform into the following instructions:
Take precautions - Protection against sunburn is recommended. 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 Mendocino?

In Mendocino, California, in April, the average high-temperature is 56.8°F (13.8°C), and the average low-temperature is 47.5°F (8.6°C).

What is the average humidity in April in Mendocino?

The average relative humidity in April is 79%.

How many days does it rain in April in Mendocino?

In Mendocino, California, in April, during 6.3 rainfall days, 0.55" (14mm) of precipitation is typically accumulated.

When it does not snow in Mendocino?

In Mendocino, California, snow does not fall in January, March through December.

What are the months with the coldest ocean in Mendocino?

February and April, with an average ocean temperature of 52.2°F (11.2°C), are months with the coldest seawater.

What is the water temperature in April in Mendocino?

In Mendocino, California, in April, the average water temperature is 52.2°F (11.2°C). Swimming in 52.2°F (11.2°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 Mendocino?

In Mendocino, the average length of the day in April is 13.3h.

How long on average sun shines in April in Mendocino?

The average sunshine in April is 9.9h.

What is the UV index intensity in April in Mendocino?

In April, the average daily maximum UV index in Mendocino, California, is 4. A UV Index estimate of 3 to 5 represents a medium hazard to health from the exposure to the Sun's UV rays.

Average temperature in April
Mendocino, CA

Average temperature in April - Mendocino, CA
  • Average high temperature in April: 56.8°F

The warmest month (with the highest average high temperature) is September (67.5°F).
Months with the lowest average high temperature are February and December (54.3°F).

  • Average low temperature in April: 47.5°F

The month with the highest average low temperature is August (55°F).
The coldest month (with the lowest average low temperature) is February (45.5°F).

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Average pressure in April
Mendocino, CA

Average pressure in April - Mendocino, CA
  • Average pressure in April: 30.05"

The month with the highest atmospheric pressure is January (30.13").
The month with the lowest atmospheric pressure is August (29.93").

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Average wind speed in April
Mendocino, CA

Average wind speed in April - Mendocino, CA
  • Average wind speed in April: 9.9mph

The windiest month (with the highest average wind speed) is June (10.9mph).
The calmest month (with the lowest average wind speed) is August (7.8mph).

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Average humidity in April
Mendocino, CA

Average humidity in April - Mendocino, CA
  • Average humidity in April: 79%

Months with the highest relative humidity are March, May and August (80%).
The month with the lowest relative humidity is October (75%).

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Average rainfall in April
Mendocino, CA

Average rainfall in April - Mendocino, CA
  • Average rainfall in April: 0.55"

The wettest month (with the highest rainfall) is December (1.77").
The driest months (with the least rainfall) are June, July and August (0.08").

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Average rainfall days in April
Mendocino, CA

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

The month with the highest number of rainy days is March (11.4 days).
Months with the least rainy days are June and August (1.8 days).

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Average snowfall in April
Mendocino, CA

Average snowfall in April - Mendocino, CA
  • Average snowfall in April: 0"

The month with the highest snowfall is February (0.04").
Months with the least snowfall are January, March, April, May, June, July, August, September, October, November and December (0").

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Average snowfall days in April
Mendocino, CA

Average snowfall days in April - Mendocino, CA
  • Average snowfall days in April: 0 days

The month with the highest number of snowfall days is February (0.1 days).
Months with the least snowfall days are January, March, April, May, June, July, August, September, October, November and December (0 days).

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Average sea temperature in April
Mendocino, CA

Average sea temperature in April - Mendocino, CA
  • Average sea temperature in April: 52.1°F

The best month for swimming (with the highest average sea temperature) is October (55.6°F).
The coldest month (with the lowest average sea temperature) is April (52.1°F).

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

Average daylight in April / Average sunshine in April - Mendocino, CA
  • Average daylight in April: 13.3h

The month with the longest days is June (Average daylight: 14.9h).
The month with the shortest days is December (Average daylight: 9.4h).

  • Average sunshine in April: 9.9h

Months with the most sunshine are July and August (Average sunshine: 11.8h).
The month with the least sunshine is December (Average sunshine: 5.5h).

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Average sunshine days in April
Mendocino, CA

Average sunshine days in April - Mendocino, CA
  • Average sunshine days in April: 23.3 days

The month with the most sunshine days is July (28.2 days).
The month with the least sunshine days is March (18.4 days).

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Average UV index in April
Mendocino, CA

Average UV index in April - Mendocino, CA
  • Average UV index in April: 4

Months with the highest UV index are June, July and August (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
Mendocino, CA

Average cloud cover in April - Mendocino, CA
  • Average cloud cover in April: 31

The month with the most cloud cover is March (Cloud cover 41).
The month with the least cloud cover is July (Cloud cover 10).

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Average visibility in April
Mendocino, CA

Average visibility in April - Mendocino, 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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