Climate and monthly weather forecast
Morro Bay, CA

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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 in Morro Bay, California, is a comfortable winter month, with an average temperature ranging between min 48.4°F (9.1°C) and max 61.2°F (16.2°C). At the start of January, Morro Bay's average high-temperature reaches a comfortable 61.2°F (16.2°C), subtly different from the preceding month. Weather in January »

Weather in February

The last month of the winter, February, is also a moderate month in Morro Bay, California, with temperature in the range of an average high of 60.4°F (15.8°C) and an average low of 47.3°F (8.5°C). The arrival of February sees an average high-temperature of a mild 60.4°F (15.8°C), hardly diverging from January's 61.2°F (16.2°C). Weather in February »

Weather in March

March, the first month of the spring in Morro Bay, is a refreshing month, with an average temperature ranging between min 47.8°F (8.8°C) and max 62.6°F (17°C). Morro Bay greets March with an average high-temperature of a still refreshing 62.6°F (17°C), marking a slight deviation from the preceding month. Weather in March »

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). 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. Weather in April »

Weather in May

May, the last month of the spring in Morro Bay, is a pleasant month, with an average temperature fluctuating between 68.5°F (20.3°C) and 52.3°F (11.3°C). May's onset records a minor alteration in the average high-temperature to a pleasant 68.5°F (20.3°C) from April's 65.3°F (18.5°C). Weather in May »

Weather in June

The first month of the summer, June, is still a pleasant month in Morro Bay, California, with an average temperature fluctuating between 55.9°F (13.3°C) and 72.5°F (22.5°C). In Morro Bay, June's average high-temperature stands at a still agreeable 72.5°F (22.5°C), closely related to the preceding month. Weather in June »

Weather in July

July in Morro Bay, California, is a warm summer month, with an average temperature ranging between max 75.4°F (24.1°C) and min 58.6°F (14.8°C). Morro Bay's shift into July is marked by a subtle change to a warm 75.4°F (24.1°C) from June's 72.5°F (22.5°C) in temperature. Weather in July »

Weather in August

August, the last month of the summer in Morro Bay, is another warm month, with temperature in the range of an average low of 59.5°F (15.3°C) and an average high of 76.1°F (24.5°C). The transition into August reveals an average high-temperature of a still warm 76.1°F (24.5°C), mirroring a close resemblance to July. Weather in August »

Weather in September

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

Weather in October

October, like September, is another pleasant autumn month in Morro Bay, California, with temperature in the range of an average high of 71.8°F (22.1°C) and an average low of 57.2°F (14°C). With October's arrival, Morro Bay's weather records an average high-temperature of an agreeable 71.8°F (22.1°C), marking little difference from September's 76.3°F (24.6°C). Weather in October »

Weather in November

The last month of the autumn, November, is another refreshing month in Morro Bay, California, with an average temperature ranging between min 52.5°F (11.4°C) and max 65.5°F (18.6°C). November is characterized by a slight reduction in average high-temperature, easing from a pleasant 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 still a refreshing month, with an average temperature varying between 48°F (8.9°C) and 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 »
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Frequently asked questions

What is the rainiest month in Morro Bay?

January is the month with the most rainfall. Rain falls for 6.8 days and accumulates 1.81" (46mm) of precipitation.

How much does it rain in Morro Bay?

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

When is 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.

What is the most humid month in Morro Bay?

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

When is Daylight Saving Time (DST) in Morro Bay?

On Sunday, March 10. 2024, at 2:00 am, Daylight Saving Time starts in Morro Bay, and the time zone changes from PST to PDT. Daylight Saving Time ends Sunday, November 3. 2024, at 2:00 am, and the time zone reverts from PDT to PST.

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 in Morro Bay.

When are the longest days in Morro Bay?

June has the longest days of the year, with an average of 14h and 30min of daylight.

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 is August, when the rain falls for 0.7 days and typically collects 0.04" (1mm) of precipitation.

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

The months with the warmest seawater in Morro Bay, California, 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?

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

What part of the year is the hottest in Morro Bay?

In Morro Bay, September is the month with the highest recorded average temperatures, measuring a high of 76.3°F (24.6°C) and a low 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 part of the year is the coldest in Morro Bay?

In Morro Bay, December is the coldest month, with temperatures averaging a high of 59.2°F (15.1°C) and a low of 48°F (8.9°C).

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

The month with the shortest days in Morro Bay is December, with an average of 9h and 48min 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).

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Average pressure
Morro Bay, CA

Average pressure - Morro Bay, CA

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).

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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).

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Average humidity
Morro Bay, CA

Average humidity - Morro Bay, CA

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

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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").

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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).

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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).

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Average daylight / Average sunshine
Morro Bay, CA

Average daylight / Average sunshine - Morro Bay, CA

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).

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).

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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).

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Average UV index
Morro Bay, CA

Average UV index - Morro Bay, CA

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).

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Average visibility
Morro Bay, CA

Average visibility - Morro Bay, CA

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).

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Morro Bay, California, USA

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