Climate and monthly weather forecast
Cayucos, CA

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Weather in January

January in Cayucos, California, is an enjoyable winter month, with an average temperature varying between 61.2°F (16.2°C) and 48.4°F (9.1°C). Transitioning from December to January, Cayucos observes an average high-temperature of a comfortable 61.2°F (16.2°C), differing subtly from the previous month. Weather in January »

Weather in February

The last month of the winter, February, is another refreshing month in Cayucos, California, with an average temperature varying between 47.3°F (8.5°C) and 60.4°F (15.8°C). The transition into February shows a subtle variation to a moderate 60.4°F (15.8°C) from January's 61.2°F (16.2°C) in the average high-temperature. Weather in February »

Weather in March

March, the first month of the spring in Cayucos, is a refreshing month, with an average temperature varying between 47.8°F (8.8°C) and 62.6°F (17°C). Cayucos records an average high-temperature of a comfortable 62.6°F (17°C) as March arrives, nearly mirroring the previous month's climate. Weather in March »

Weather in April

April, the same as March, is another comfortable spring month in Cayucos, California, with temperature in the range of an average low of 49.3°F (9.6°C) and an average high of 65.3°F (18.5°C). April reports an average high-temperature of a still enjoyable 65.3°F (18.5°C), slightly varied from March's 62.6°F (17°C). Weather in April »

Weather in May

The last month of the spring, May, is an agreeable month in Cayucos, California, with temperature in the range of an average high of 68.5°F (20.3°C) and an average low of 52.3°F (11.3°C). As May takes its course, Cayucos's average high-temperature registers at a pleasant 68.5°F (20.3°C), closely aligning with the preceding month. Weather in May »

Weather in June

June, the first month of the summer in Cayucos, is also an agreeable month, with temperature in the range of an average high of 72.5°F (22.5°C) and an average low of 55.9°F (13.3°C). Cayucos marks the onset of June with an average high-temperature of a still agreeable 72.5°F (22.5°C), subtly divergent from May's 68.5°F (20.3°C). Weather in June »

Weather in July

July is a moderately hot summer month in Cayucos, California, with temperature in the range of an average low of 58.6°F (14.8°C) and an average high of 75.4°F (24.1°C). The advent of July observes an average high-temperature of a moderately hot 75.4°F (24.1°C), nearly identical to June's 72.5°F (22.5°C). Weather in July »

Weather in August

The last month of the summer, August, is also a moderately hot month in Cayucos, California, 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). Upon the onset of August, Cayucos witnesses an average high-temperature of a still warm 76.1°F (24.5°C), showing a close resemblance to the prior month. Weather in August »

Weather in September

The first month of the autumn, September, is also a moderately hot month in Cayucos, California, with an average temperature fluctuating between 76.3°F (24.6°C) and 59.9°F (15.5°C). The month of September sees the highest average temperatures, reaching 76.3°F (24.6°C) at the peak and 59.9°F (15.5°C) at the low. 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 high of 71.8°F (22.1°C) and an average low of 57.2°F (14°C). As Cayucos transitions into October, the average high-temperature stands at a pleasant 71.8°F (22.1°C), offering little variation from the preceding month. Weather in October »

Weather in November

The last month of the autumn, November, is another refreshing month in Cayucos, California, with an average temperature ranging between min 52.5°F (11.4°C) and max 65.5°F (18.6°C). The shift from October to November includes a small decrease in the average high-temperature, from an agreeable 71.8°F (22.1°C) to an enjoyable 65.5°F (18.6°C). Weather in November »

Weather in December

December, the first month of the winter in Cayucos, is still a refreshing month, with an average temperature varying between 59.2°F (15.1°C) and 48°F (8.9°C). December is the month when Cayucos sees the lowest average temperatures, with a high of 59.2°F (15.1°C) and a low of 48°F (8.9°C). Weather in December »
Updated: Aug 16, 2024
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate

Frequently asked questions

What is the wettest month?

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

How many days does it rain?

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

What is the month with the lowest UV index?

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

What is the most humid month in Cayucos?

With an average relative humidity of 70%, March is the most humid month.

When is Daylight Saving Time (DST)?

On Sunday, March 10. 2024, at 2:00 am, Daylight Saving Time starts, 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 Cayucos?

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

When are the longest days?

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

What month has the most sunshine?

With an average of 12h of sunshine, July has the most sunshine of the year.

What is the driest month?

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

When is the ocean warmest?

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

What is the month with the highest UV index?

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 identified by the average highest temperatures, reaching a peak of 76.3°F (24.6°C) and a low of 59.9°F (15.5°C).

What are the least humid months?

The months with the lowest humidity are September and October, with an average relative humidity of 61%.

What is the coldest time of year?

December is the coldest month in Cayucos, exhibiting average temperatures of 59.2°F (15.1°C) at the peak and 48°F (8.9°C) at the base.

What is the month with the shortest days?

December has the shortest days of the year, with an average of 9h and 48min of daylight.

What is the month with the least sunshine?

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).

Average pressure
Cayucos, CA

Average pressure - Cayucos, 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).

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).

Average humidity
Cayucos, CA

Average humidity - Cayucos, CA

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

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").

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).

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).

Average daylight / Average sunshine
Cayucos, CA

Average daylight / Average sunshine - Cayucos, 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).

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).

Average UV index
Cayucos, CA

Average UV index - Cayucos, 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).

Average visibility
Cayucos, CA

Average visibility - Cayucos, 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).

Cayucos, California, USA

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