Contents
- Weather in May
- Frequently asked questions
- Average temperature in May
- Average pressure in May
- Average wind speed in May
- Average humidity in May
- Average rainfall in May
- Average rainfall days in May
- Average sea temperature in May
- Average daylight in May
- Average sunshine in May
- Average sunshine days in May
- Average UV index in May
- Average cloud cover in May
- Average visibility in May
Weather in May
Temperature
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. During the nights in May, Cayucos experiences a consistent average temperature of 52.3°F (11.3°C).Humidity
In Cayucos, the average relative humidity in May is 67%.Rainfall
In Cayucos, in May, it is raining for 2.6 days, with typically 0.24" (6mm) of accumulated precipitation. Throughout the year, there are 53.7 rainfall days, and 8.58" (218mm) of precipitation is accumulated.Ocean temperature
April and May, with an average ocean temperature of 54.3°F (12.4°C), are months with the coldest seawater.Note: Dipping into 54.3°F (12.4°C) below 50°F (10°C) needs protective wear, or you'd face cold shock and breathing issues swiftly. Meanwhile, a slight swim around 55.4°F (13°C) feels cold to the bone.
Daylight
In Cayucos, California, the average length of the day in May is 14h and 3min.On the first day of the month, sunrise is at 6:10 am and sunset at 7:50 pm. On the last day of May, sunrise is at 5:49 am and sunset at 8:13 pm PDT.
Sunshine
In May, the average sunshine is 11.4h.UV index
The average daily maximum UV index in May in Cayucos is 5. A UV Index of 3 to 5 symbolizes a moderate health risk from unprotected exposure to Sun's UV rays for average individuals.Note: The UV index of 5 during May leads to these advisories:
Take precautions. Light skin individuals may get burned in less than 30 minutes. When the Sun is at its strongest around midday, find shade and limit exposure. Your best bet for sun defense on the face, eyes, and neck is a hat with a wide brim.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
What are May temperatures in Cayucos?
What is the average humidity in May?
How much does it rain in Cayucos in May?
What months are the ocean coldest?
What is the ocean temperature in May?
What is the average length of the day in May?
What time are sunrise and sunset in May?
How many hours of sunshine does Cayucos have in May?
How high is the UV index in May?
Average temperature in May
Cayucos, CA
- Average high temperature in May: 68.5°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 May: 52.3°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).
Average pressure in May
Cayucos, CA
- Average pressure in May: 29.97"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).
Average wind speed in May
Cayucos, CA
- Average wind speed in May: 7.9mph
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 in May
Cayucos, CA
- Average humidity in May: 67%
The month with the highest relative humidity is March (70%).
The months with the lowest relative humidity are September and October (61%).
Average rainfall in May
Cayucos, CA
- Average rainfall in May: 0.24"
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 in May
Cayucos, CA
- Average rainfall days in May: 2.6 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).
Average sea temperature in May
Cayucos, CA
- Average sea temperature in May: 54.4°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).
Average daylight in May /
Average sunshine in May
Cayucos, CA
- Average daylight in May: 14h and 0min
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 May: 11h and 2min
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 in May
Cayucos, CA
- Average sunshine days in May: 27.8 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).
Average UV index in May
Cayucos, CA
- Average UV index in May: 5
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 cloud cover in May
Cayucos, CA
- Average cloud cover in May: 16
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).
Average visibility in May
Cayucos, CA
- Average visibility in May: 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).
Cayucos, California, USA
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