April weather forecast
Morro Bay, CA

Share
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 enjoyable spring month in Morro Bay, California, with an average temperature varying between 49.3°F (9.6°C) and 65.3°F (18.5°C).

Temperature

The arrival of April sees a recorded average high-temperature of a still enjoyable 65.3°F (18.5°C), showing little divergence from the previous month's conditions. April brings Morro Bay a consistent average low-temperature of 49.3°F (9.6°C).

Humidity

In April, the average relative humidity in Morro Bay is 68%.

Rainfall

In Morro Bay, in April, it is raining for 6.2 days, with typically 0.51" (13mm) of accumulated precipitation. In Morro Bay, during the entire year, the rain falls for 53.7 days and collects up to 8.58" (218mm) of precipitation.

Ocean temperature

The months with the coldest seawater are April and May, with an average ocean temperature of 54.3°F (12.4°C).
Note: Diving into 54.3°F (12.4°C) when it's under 50°F (10°C) can cause immediate cold shock symptoms, marked by hyperventilation.

Daylight

The average length of the day in April in Morro Bay is 13h and 7min.
On the first day of April, sunrise is at 6:48 am and sunset at 7:25 pm. On the last day of the month, sunrise is at 6:11 am and sunset at 7:49 pm PDT.

Sunshine

In Morro Bay, 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 in Morro Bay, California. A UV Index value of 3 to 5 symbolizes a moderate threat to health from unsafe exposure to UV radiation for average individuals.
Note: In April, the maximum UV index of 4 suggests these recommendations:
Adopt protective measures - It is advised to guard against sun damage. Sun's radiation is most powerful around mid-day, so it's best to limit outdoor activities during this time. Select sunglasses that boast both UVA and UVB protection to limit the adverse effects of the sun on the eyes.
[Resources]

Frequently asked questions

What is the temperature in April in Morro Bay?

In April, the average high-temperature and low-temperature are 65.3°F (18.5°C) and 49.3°F (9.6°C) respectively.

What is the average humidity in April in Morro Bay?

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

How much does it rain in Morro Bay in April?

In Morro Bay, California, in April, during 6.2 rainfall days, 0.51" (13mm) of precipitation is typically accumulated.

What months are the ocean coldest in Morro Bay?

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

How cold is the water in April in Morro Bay?

In Morro Bay, the average seawater temperature in April 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, the average day length in April is 13h and 7min.

When are sunrise and sunset in April in Morro Bay?

On the first day of April in Morro Bay, sunrise is at 6:48 am and sunset at 7:25 pm. On the last day of the month, sunrise is at 6:11 am and sunset at 7:49 pm PDT.

How many hours of sunshine does Morro Bay have in April?

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

What is the month 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 in Morro Bay, California.

What is the UV index intensity in April in Morro Bay?

In April, the average daily maximum UV index in Morro Bay, California, is 4. A UV Index estimate of 3 to 5 represents a moderate vulnerability from exposure to 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).

[Resources]

Average pressure in April
Morro Bay, CA

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

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

[Resources]

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).

[Resources]

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%).
The months with the lowest relative humidity are September and October (61%).

[Resources]

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").

[Resources]

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).

[Resources]

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).

[Resources]

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: 13h and 1min

The month with the longest days is June (Average daylight: 14h and 30min).
The month with the shortest days is December (Average daylight: 9h and 48min).

  • Average sunshine in April: 10h and 5min

The month with the most sunshine is July (Average sunshine: 12h and 0min).
The month with the least sunshine is December (Average sunshine: 6h and 24min).

[Resources]

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).

[Resources]

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).
The months with the lowest UV index are January, February, March, April, November and December (UV index 4).

[Resources]

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).
The months with the least cloud cover are August and September (Cloud cover 7).

[Resources]

Average visibility in April
Morro Bay, CA

Average visibility in April - Morro Bay, CA
  • Average visibility in April: 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).

[Resources]

Morro Bay, California, USA

Weather forecast for your location

1. Click Locate me button
2. Allow the app to use your location