April weather forecast and climate
Morro Bay, CA

The iconic Morro Rock, a famous tourist spot in Morro Bay, California
The iconic Morro Rock, a famous tourist spot in Morro Bay, California

Weather in April

April, the same as March, is another comfortable spring month in Morro Bay, California, with average temperature varying between 65.3°F (18.5°C) and 49.3°F (9.6°C).

Temperature

In April, the average high-temperature is relatively the same as in March - a still enjoyable 65.3°F (18.5°C). The average low-temperature, in April, is 49.3°F (9.6°C).

Humidity

The average relative humidity in April is 68%.

Rainfall

In Morro Bay, during April, the rain falls for 6.2 days and regularly aggregates up to 0.51" (13mm) of precipitation. In Morro Bay, California, during the entire year, the rain falls for 53.7 days and collects up to 8.58" (218mm) of precipitation.

Ocean temperature

April and May, with an average ocean temperature of 54.3°F (12.4°C), are months with the coldest seawater.
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 is 13.1h.

Sunshine

The average sunshine in April is 10.8h.

UV index

January through April, November and December, with an average maximum UV index of 4, are months with the lowest UV index. A UV Index value of 3 to 5 symbolizes a medium health hazard from unprotected exposure to the Sun's UV rays for the ordinary person.
Note: In April, the average maximum UV index of 4 translate into the following recommendations:
Take precautions - Protection against the skin and eye damage is obliged. The Sun's most intense and consequently most harmful UV radiation during midday hours should be decreased by minimizing exposure and seeking shade. A wide-brim hat offers excellent sun protection for eyes, ears, face, and neck. Sunglasses with UVA and UVB protection significantly reduce eye damage from sun exposure. Tightly woven, loose-fitting clothes provide additional protection from the Sun.
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FAQ

What is the temperature in April in Morro Bay?

The average high-temperature, in April, in Morro Bay, is 65.3°F (18.5°C), while the average low-temperature is 49.3°F (9.6°C).

What is the average humidity in April in Morro Bay?

The average relative humidity in April in Morro Bay, California, is 68%.

How much does it rain in Morro Bay in April?

In Morro Bay, California, during April, the rain falls for 6.2 days and regularly aggregates up to 0.51" (13mm) of precipitation.

What are the months with the coldest ocean in Morro Bay?

April and May, with an average ocean temperature of 54.3°F (12.4°C), are months with the coldest seawater in Morro Bay, California.

What is the ocean temperature in April in Morro Bay?

In April, the average ocean temperature in Morro Bay, California, is 54.3°F (12.4°C). 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.

What is the average length of the day in April in Morro Bay?

In Morro Bay, California, the average length of the day in April is 13.1h.

How long on average sun shines in April in Morro Bay?

In April, the average sunshine in Morro Bay, California, is 10.8h.

What are the months with the lowest UV index in Morro Bay?

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

How high is the UV index in April in Morro Bay?

In Morro Bay, the average daily maximum UV index in April is 4. A UV Index value of 3 to 5 symbolizes a medium health risk from the exposure to the Sun's UV rays.

Average temperature in April
Morro Bay, CA

Average temperature in April - Morro Bay, CA
  • Average high temperature in April: 65.3°F

The warmest month (with the highest average high temperature) is September (76.3°F).
The month with the lowest average high temperature is December (59.2°F).

  • Average low temperature in April: 49.3°F

The month with the highest average low temperature is September (59.9°F).
The coldest month (with the lowest average low temperature) is February (47.3°F).

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Average pressure in April
Morro Bay, CA

Average pressure in April - Morro Bay, CA
  • Average pressure in April: 30.02"

The month with the highest atmospheric pressure is January (30.12").
Months with the lowest atmospheric pressure are June and September (29.91").

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Average wind speed in April
Morro Bay, CA

Average wind speed in April - Morro Bay, 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 August and September (6mph).

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Average humidity in April
Morro Bay, CA

Average humidity in April - Morro Bay, CA
  • Average humidity in April: 68%

The month with the highest relative humidity is March (70%).
Months with the lowest relative humidity are September and October (61%).

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Average rainfall in April
Morro Bay, CA

Average rainfall in April - Morro Bay, CA
  • Average rainfall in April: 0.51"

The wettest month (with the highest rainfall) is January (1.81").
The driest month (with the least rainfall) is August (0.04").

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Average rainfall days in April
Morro Bay, CA

Average rainfall days in April - Morro Bay, CA
  • Average rainfall days in April: 6.2 days

The month with the highest number of rainy days is March (10.3 days).
The month with the least rainy days is August (0.7 days).

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Average sea temperature in April
Morro Bay, CA

Average sea temperature in April - Morro Bay, CA
  • Average sea temperature in April: 54.3°F

The best months for swimming (with the highest average sea temperature) are August and October (58.6°F).
The coldest month (with the lowest average sea temperature) is April (54.3°F).

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Average daylight in April /
Average sunshine in April
Morro Bay, CA

Average daylight in April / Average sunshine in April - Morro Bay, CA
  • Average daylight in April: 13.1h

The month with the longest days is June (Average daylight: 14.5h).
The month with the shortest days is December (Average daylight: 9.8h).

  • Average sunshine in April: 10.8h

The month with the most sunshine is July (Average sunshine: 12h).
The month with the least sunshine is December (Average sunshine: 6.4h).

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Average sunshine days in April
Morro Bay, CA

Average sunshine days in April - Morro Bay, CA
  • Average sunshine days in April: 23.1 days

The month with the most sunshine days is August (28.8 days).
The month with the least sunshine days is February (20.1 days).

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Average UV index in April
Morro Bay, CA

Average UV index in April - Morro Bay, CA
  • Average UV index in April: 4

The month with the highest UV index is August (UV index 6).
Months with the lowest UV index are January, February, March, April, November and December (UV index 4).

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Average cloud cover in April
Morro Bay, CA

Average cloud cover in April - Morro Bay, CA
  • Average cloud cover in April: 20

The month with the most cloud cover is March (Cloud cover 28).
Months with the least cloud cover are August and September (Cloud cover 7).

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Average visibility in April
Morro Bay, CA

Average visibility in April - Morro Bay, 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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