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 snowfall 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
October is characterized by a reduction in the average high-temperature, from a warm 85.3°F in September to a still moderately hot 75.9°F. Brentwood reports a sharp reduction in temperature during October, averaging at a cool 54°F at night.Humidity
The average relative humidity in October is 54%.Rainfall
In October, the rain falls for 3.3 days. Throughout October, 0.51" of precipitation is accumulated. In Brentwood, California, during the entire year, the rain falls for 62 days and collects up to 10.16" of precipitation.Snowfall
January through November are months without snowfall in Brentwood.Daylight
In October, the average length of the day is 11h and 12min.On the first day of October, sunrise is at 7:02 am and sunset at 6:50 pm. On the last day of the month, sunrise is at 7:31 am and sunset at 6:09 pm PDT.
Sunshine
In October, the average sunshine in Brentwood, California, is 7.2h.UV index
The average daily maximum UV index in October in Brentwood, California, is 4. A UV Index estimate of 3 to 5 represents a moderate health risk from unsafe exposure to UV radiation for the ordinary person.Note: The maximum daily UV index, 4 in October, converts into the following recommendations:
Make use of precautions - It is urged to ward off sun damage. Sun exposure should be minimized, especially during midday, to avoid harmful UV radiation. For holistic sun protection encompassing the eyes, ears, face, and neck, a wide-brim hat is key.
FAQ
What is the usual temperature for Brentwood in October?
What is the average humidity in October in Brentwood?
How much does it rain in Brentwood in October?
When it does not snow in Brentwood?
How many hours of daylight does Brentwood have in October?
What time are sunrise and sunset in October in Brentwood?
How many hours of sunshine does Brentwood have in October?
How high is the UV index in October in Brentwood?
Average temperature in October
Brentwood, CA
- Average high temperature in October: 75.9°F
The warmest month (with the highest average high temperature) is July (88.5°F).
The month with the lowest average high temperature is December (55°F).
- Average low temperature in October: 54°F
The month with the highest average low temperature is September (57.7°F).
The coldest month (with the lowest average low temperature) is January (41.5°F).
Average pressure in October
Brentwood, 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
Brentwood, CA
- Average wind speed in October: 5.5mph
The windiest month (with the highest average wind speed) is June (7.8mph).
The calmest months (with the lowest average wind speed) are January and November (4.5mph).
Average humidity in October
Brentwood, CA
- Average humidity in October: 54%
The month with the highest relative humidity is January (74%).
The month with the lowest relative humidity is September (52%).
Average rainfall in October
Brentwood, CA
- Average rainfall in October: 0.51"
The wettest month (with the highest rainfall) is February (2.09").
The driest months (with the least rainfall) are July and August (0.04").
Average rainfall days in October
Brentwood, CA
- Average rainfall days in October: 3.3 days
The month with the highest number of rainy days is March (12.3 days).
The month with the least rainy days is August (0.8 days).
Average snowfall days in October
Brentwood, CA
- Average snowfall days in October: 0 days
The month with the highest number of snowfall days is December (0.1 days).
The months with the least snowfall days are January, February, March, April, May, June, July, August, September, October and November (0 days).
Average daylight in October /
Average sunshine in October
Brentwood, 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
Brentwood, CA
- Average sunshine days in October: 26.9 days
The month with the most sunshine days is August (29.8 days).
The month with the least sunshine days is March (17.7 days).
Average UV index in October
Brentwood, 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
Brentwood, CA
- Average cloud cover in October: 15
The months with the most cloud cover are March and December (Cloud cover 35).
The month with the least cloud cover is July (Cloud cover 5).
Average visibility in October
Brentwood, 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).
Brentwood, California, USA
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