Contents
- Weather in January
- Frequently asked questions
- Average temperature in January
- Average pressure in January
- Average wind speed in January
- Average humidity in January
- Average rainfall in January
- Average rainfall days in January
- Average sea temperature in January
- Average daylight in January
- Average sunshine in January
- Average sunshine days in January
- Average UV index in January
- Average cloud cover in January
- Average visibility in January
Weather in January
Temperature
The advent of January signifies a minor shift to an average high-temperature of an enjoyable 61.2°F (16.2°C), aligning closely with December. Throughout January, Cayucos registers a consistent average low-temperature of 48.4°F (9.1°C).Humidity
The average relative humidity in January in Cayucos is 66%.Rainfall
The month with the most rainfall in Cayucos is January, when the rain falls for 6.8 days and typically aggregates up to 1.81" (46mm) of precipitation.Ocean temperature
In Cayucos, the average seawater temperature in January is 55.6°F (13.1°C).Note: In 55.6°F (13.1°C), even brief exposure to 55.4°F (13°C) feels biting, and anything less than 50°F (10°C) risks cold shock and impaired breathing, considering one's health.
Daylight
In January, the average length of the day is 10h and 5min.On the first day of the month, sunrise is at 7:12 am and sunset at 5:01 pm. On the last day of January, sunrise is at 7:03 am and sunset at 5:30 pm PST.
Sunshine
The average sunshine in January in Cayucos is 6.7h.UV index
The months with the lowest UV index in Cayucos, California, are January through April, November and December, with an average maximum UV index of 4. A UV Index reading of 3 to 5 represents a moderate threat to health from unsafe exposure to UV radiation for the ordinary person.Note: In January, the maximum UV index of 4 suggests these recommendations:
Exercise caution. The susceptibility of light skin individuals to burns is less than 30 minutes. Given the potency of the midday Sun's UV radiation, one should avoid prolonged exposure. Equip yourself with UVA and UVB-filtering sunglasses on clear, sunny days.
Frequently asked questions
What are January temperatures in Cayucos?
What is the average humidity in January in Cayucos?
What is the wettest month in Cayucos?
How much does it rain in Cayucos in January?
How cold is the water in January in Cayucos?
How many hours of daylight does Cayucos have in January?
When are sunrise and sunset in January in Cayucos?
How long on average sun shines in January in Cayucos?
What is the month with the lowest UV index in Cayucos?
What is the UV index reading in January in Cayucos?
Average temperature in January
Cayucos, CA
- Average high temperature in January: 61.2°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 January: 48.4°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 January
Cayucos, CA
- Average pressure in January: 30.12"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 January
Cayucos, CA
- Average wind speed in January: 6.7mph
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 January
Cayucos, CA
- Average humidity in January: 66%
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 January
Cayucos, CA
- Average rainfall in January: 1.81"
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 January
Cayucos, CA
- Average rainfall days in January: 6.8 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 January
Cayucos, CA
- Average sea temperature in January: 55.6°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 January /
Average sunshine in January
Cayucos, CA
- Average daylight in January: 10h and 1min
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 January: 6h and 4min
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 January
Cayucos, CA
- Average sunshine days in January: 23.3 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 January
Cayucos, CA
- Average UV index in January: 4
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 January
Cayucos, CA
- Average cloud cover in January: 24
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 January
Cayucos, CA
- Average visibility in January: 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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