Contents
- Weather in October
- Frequently asked questions
- Average temperature in October
- Average pressure in October
- Average wind speed in October
- Average humidity in October
- Average rainfall in October
- Average rainfall days in October
- Average daylight in October
- Average sunshine in October
- Average sunshine days in October
- Average UV index in October
- Average cloud cover in October
- Average visibility in October
Weather in October
Temperature
With the onset of October, Clayton's climate undergoes a slight change as the average high-temperature moves from a warm 83.5°F (28.6°C) in September to a still moderately hot 75°F (23.9°C). Throughout October, Clayton witnesses a consistent average low-temperature of 54°F (12.2°C).Humidity
The months with the lowest humidity are September and October, with an average relative humidity of 55%.Rainfall
In October, in Clayton, the rain falls for 2.5 days. Throughout October, 0.24" (6mm) of precipitation is accumulated. In Clayton, during the entire year, the rain falls for 50 days and collects up to 4.76" (121mm) of precipitation.Daylight
In Clayton, the average length of the day in October is 11h and 12min.On the first day of October, sunrise is at 7:04 am and sunset at 6:50 pm. On the last day of the month, sunrise is at 7:33 am and sunset at 6:09 pm PDT.
Sunshine
The average sunshine in October is 7.1h.UV index
In October, the average daily maximum UV index in Clayton is 4. A UV Index value of 3 to 5 symbolizes a moderate threat to health from exposure to the Sun's UV rays for the ordinary person.Note: The daily maximum UV index of 4 in October interprets into the following advice:
Undertake precautions - It is suggested to shield oneself from sunburn. The best time to avoid the Sun's harmful UV radiation is during midday when it's most potent. For effective sun eye protection, rely on sunglasses certified for UVA and UVB resistance.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
What are the temperatures in Clayton in October?
What is the least humid month in Clayton?
What is the average humidity in October in Clayton?
How many days does it rain in October in Clayton?
What is the average length of the day in October in Clayton?
When are sunrise and sunset in October in Clayton?
How long on average sun shines in October in Clayton?
What is the UV index intensity in October in Clayton?
Average temperature in October
Clayton, CA
- Average high temperature in October: 75°F
The warmest month (with the highest average high temperature) is July (85.6°F).
The month with the lowest average high temperature is December (55.4°F).
- Average low temperature in October: 54°F
The month with the highest average low temperature is September (57.6°F).
The coldest month (with the lowest average low temperature) is January (41.7°F).
Average pressure in October
Clayton, CA
- Average pressure in October: 29.98"Hg
The month with the highest atmospheric pressure is January (30.14"Hg).
The month with the lowest atmospheric pressure is June (29.91"Hg).
Average wind speed in October
Clayton, CA
- Average wind speed in October: 5mph
The windiest month (with the highest average wind speed) is May (7.4mph).
The calmest month (with the lowest average wind speed) is November (4.3mph).
Average humidity in October
Clayton, CA
- Average humidity in October: 55%
The months with the highest relative humidity are January and March (73%).
The months with the lowest relative humidity are September and October (55%).
Average rainfall in October
Clayton, CA
- Average rainfall in October: 0.24"
The wettest month (with the highest rainfall) is February (0.98").
The driest months (with the least rainfall) are July and August (0.04").
Average rainfall days in October
Clayton, CA
- Average rainfall days in October: 2.5 days
The month with the highest number of rainy days is March (8.6 days).
The month with the least rainy days is August (0.8 days).
Average daylight in October /
Average sunshine in October
Clayton, CA
- Average daylight in October: 11h and 1min
The month with the longest days is June (Average daylight: 14h and 48min).
The month with the shortest days is December (Average daylight: 9h and 36min).
- Average sunshine in October: 7h and 1min
The month with the most sunshine is July (Average sunshine: 12h and 6min).
The month with the least sunshine is December (Average sunshine: 5h and 48min).
Average sunshine days in October
Clayton, CA
- Average sunshine days in October: 27.9 days
The month with the most sunshine days is August (29.4 days).
The month with the least sunshine days is March (21.7 days).
Average UV index in October
Clayton, CA
- Average UV index in October: 4
The months with the highest UV index are June, July and August (UV index 6).
The months with the lowest UV index are January, February, November and December (UV index 3).
Average cloud cover in October
Clayton, CA
- Average cloud cover in October: 16
The month with the most cloud cover is March (Cloud cover 36).
The month with the least cloud cover is July (Cloud cover 6).
Average visibility in October
Clayton, CA
- Average visibility in October: 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).
Clayton, California, USA
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