Monthly 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 January

January is an enjoyable winter month in Morro Bay, California, with average temperature fluctuating between 48.4°F (9.1°C) and 61.2°F (16.2°C). In Morro Bay, the average high-temperature in January is almost the same as in December - an enjoyable 61.2°F (16.2°C). Weather in January »

Weather in February

The last month of the winter, February, is also a moderate month in Morro Bay, California, with average temperature varying between 47.3°F (8.5°C) and 60.4°F (15.8°C). In Morro Bay, the average high-temperature is almost the same as in January - a moderate 60.4°F (15.8°C). Weather in February »

Weather in March

The first month of the spring, March, is a comfortable month in Morro Bay, California, with temperature in the range of an average low of 47.8°F (8.8°C) and an average high of 62.6°F (17°C). In Morro Bay, the average high-temperature is practically the same as in February - a comfortable 62.6°F (17°C). Weather in March »

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

Weather in May

May, the last month of the spring, in Morro Bay, is an agreeable month, with average temperature fluctuating between 68.5°F (20.3°C) and 52.3°F (11.3°C). In Morro Bay, the average high-temperature is almost the same as in April - an agreeable 68.5°F (20.3°C). Weather in May »

Weather in June

June, the first month of the summer, in Morro Bay, is still a pleasant month, with average temperature ranging between min 55.9°F (13.3°C) and max 72.5°F (22.5°C). In June, the average high-temperature is practically the same as in May - a still agreeable 72.5°F (22.5°C). Weather in June »

Weather in July

July is a warm summer month in Morro Bay, California, with average temperature varying between 75.4°F (24.1°C) and 58.6°F (14.8°C). In Morro Bay, the average high-temperature is almost the same as in June - a warm 75.4°F (24.1°C). Weather in July »

Weather in August

The last month of the summer, August, is also a moderately hot month in Morro Bay, California, with average temperature ranging between min 59.5°F (15.3°C) and max 76.1°F (24.5°C). In August, the average high-temperature is essentially the same as in July - a still warm 76.1°F (24.5°C). Weather in August »

Weather in September

The first month of the autumn, September, is also a moderately hot month in Morro Bay, California, with temperature in the range of an average high of 76.3°F (24.6°C) and an average low of 59.9°F (15.5°C). The warmest month is September, with an average high-temperature of 76.3°F (24.6°C) and an average low-temperature of 59.9°F (15.5°C). Weather in September »

Weather in October

October, like September, is an agreeable autumn month in Morro Bay, California, with average temperature ranging between min 57.2°F (14°C) and max 71.8°F (22.1°C). In October, the average high-temperature is essentially the same as in September - a pleasant 71.8°F (22.1°C). Weather in October »

Weather in November

The last month of the autumn, November, is also an enjoyable month in Morro Bay, California, with average temperature ranging between max 65.5°F (18.6°C) and min 52.5°F (11.4°C). In November, the average high-temperature slightly decreases, from an agreeable 71.8°F (22.1°C) in October, to a comfortable 65.5°F (18.6°C). Weather in November »

Weather in December

December, the first month of the winter, in Morro Bay, is also a moderate month, with average temperature ranging between min 48°F (8.9°C) and max 59.2°F (15.1°C). With an average high-temperature of 59.2°F (15.1°C) and an average low-temperature of 48°F (8.9°C), December is the coldest month. Weather in December »
[Resources]

FAQ

How much does it rain in Morro Bay?

In Morro Bay, during the entire year, the rain falls for 53.7 days and collects up to 8.58" (218mm) of precipitation.

What is the wettest month in Morro Bay?

The month with the most rainfall in Morro Bay is January when the rain falls for 6.8 days and typically aggregates up to 1.81" (46mm) of precipitation.

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

Months with the lowest UV index in Morro Bay are January through April, November and December, with an average maximum UV index of 4.

What is the most humid month in Morro Bay?

The most humid month in Morro Bay, California, is March, with an average relative humidity of 70%.

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.

When are the longest days in Morro Bay?

With an average of 14.5h of daylight, June has the longest days of the year.

What month has the most sunshine in Morro Bay?

The month with the most sunshine is July, with an average of 12h of sunshine.

What is the driest month in Morro Bay?

The month with the least rainfall in Morro Bay, California, is August when the rain falls for 0.7 days and typically collects 0.04" (1mm) of precipitation.

What months are the ocean warmest in Morro Bay?

Months with the warmest seawater in Morro Bay are August and October, with an average ocean temperature of 58.6°F (14.8°C).

What is the month with the highest UV index in Morro Bay?

The month with the highest UV index is August, with an average maximum UV index of 6.

What is the warmest month in Morro Bay?

September is the warmest month, with an average high-temperature of 76.3°F (24.6°C) and an average low-temperature of 59.9°F (15.5°C).

What is the least humid month in Morro Bay?

September and October, with an average relative humidity of 61%, are the least humid months in Morro Bay.

What is the coldest month in Morro Bay?

The coldest month in Morro Bay is December, with an average high-temperature of 59.2°F (15.1°C) and an average low-temperature of 48°F (8.9°C).

What is the month with the shortest days in Morro Bay?

The month with the shortest days is December, with an average of 9.8h of daylight.

What is the month with the least sunshine in Morro Bay?

December has the least sunshine of the year, with an average of 6.4h of sunshine.

Average temperature
Morro Bay, CA

Average temperature - Morro Bay, CA

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).

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
Morro Bay, CA

Average pressure - Morro Bay, CA

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

[Resources]

Average wind speed
Morro Bay, CA

Average wind speed - Morro Bay, CA

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
Morro Bay, CA

Average humidity - Morro Bay, CA

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

[Resources]

Average rainfall
Morro Bay, CA

Average rainfall - Morro Bay, CA

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
Morro Bay, CA

Average rainfall days - Morro Bay, CA

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
Morro Bay, CA

Average sea temperature - Morro Bay, CA

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 / Average sunshine
Morro Bay, CA

Average daylight / Average sunshine - Morro Bay, CA

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

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

[Resources]

Average sunshine days
Morro Bay, CA

Average sunshine days - Morro Bay, CA

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
Morro Bay, CA

Average UV index - Morro Bay, CA

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).

[Resources]

Average visibility
Morro Bay, CA

Average visibility - Morro Bay, CA

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).

[Resources]