Monthly weather forecast and climate
Cayucos, CA

Weather in January

January is a comfortable winter month in Cayucos, California, with temperature in the range of an average low of 48.4°F (9.1°C) and an average high of 61.2°F (16.2°C). In January, the average high-temperature is practically 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 another mild month in Cayucos, 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). In Cayucos, California, the average high-temperature in February is practically 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 an enjoyable month in Cayucos, California, with average temperature fluctuating between 47.8°F (8.8°C) and 62.6°F (17°C). In March, the average high-temperature is essentially 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 Cayucos, California, with average temperature varying between 49.3°F (9.6°C) and 65.3°F (18.5°C). In April, the average high-temperature is almost 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 Cayucos, is a pleasant month, with average temperature fluctuating between 52.3°F (11.3°C) and 68.5°F (20.3°C). In May, the average high-temperature is almost the same as in April - a pleasant 68.5°F (20.3°C). Weather in May »

Weather in June

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

Weather in July

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

Weather in August

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

Weather in September

September, the first month of the autumn, in Cayucos, is still a warm month, with average temperature varying between 76.3°F (24.6°C) and 59.9°F (15.5°C). 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). Weather in September »

Weather in October

October, the same as September, in Cayucos, California, is an agreeable autumn month, with temperature in the range of an average low of 57.2°F (14°C) and an average high of 71.8°F (22.1°C). In Cayucos, California, the average high-temperature in October is practically 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 another comfortable month in Cayucos, California, with average temperature varying between 52.5°F (11.4°C) and 65.5°F (18.6°C). In November, the average high-temperature marginally drops, 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 Cayucos, is also a moderate month, with average temperature fluctuating 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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FAQ

How much does it rain in Cayucos?

In Cayucos, California, 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 Cayucos?

The month with the most rainfall 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 Cayucos?

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

What is the most humid month in Cayucos?

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

What months are the ocean coldest in Cayucos?

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

When are the longest days in Cayucos?

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

What month has the most sunshine in Cayucos?

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

What is the driest month in Cayucos?

August is the month with the least rainfall in Cayucos. Rain falls for 0.7 days and accumulates 0.04" (1mm) of precipitation.

When is the ocean warmest in Cayucos?

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

When is the highest UV index in Cayucos?

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

What is the warmest month in Cayucos?

September is the warmest month in Cayucos, California, 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 are the least humid months in Cayucos?

Months with the lowest humidity in Cayucos, California, are September and October, with an average relative humidity of 61%.

What is the coldest month in Cayucos?

The coldest month in Cayucos 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 Cayucos?

December has the shortest days of the year, with an average of 9.8h of daylight.

What is the month with the least sunshine in Cayucos?

The month with the least sunshine is December, with an average of 6.4h of sunshine.

Average temperature
Cayucos, CA

Average temperature - Cayucos, 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
Cayucos, CA

Average pressure - Cayucos, CA

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
Cayucos, CA

Average wind speed - Cayucos, 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
Cayucos, CA

Average humidity - Cayucos, CA

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
Cayucos, CA

Average rainfall - Cayucos, 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
Cayucos, CA

Average rainfall days - Cayucos, 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
Cayucos, CA

Average sea temperature - Cayucos, 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
Cayucos, CA

Average daylight / Average sunshine - Cayucos, 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).

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Average sunshine days
Cayucos, CA

Average sunshine days - Cayucos, 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
Cayucos, CA

Average UV index - Cayucos, 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).

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Average visibility
Cayucos, CA

Average visibility - Cayucos, 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).

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