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 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's arrival correlates with a reduction in the average high-temperature, down from 84.9°F (29.4°C) in September to a still warm 74.3°F (23.5°C). Throughout October, Acton's nights cool down to an average of 52.9°F (11.6°C).Humidity
In Acton, the average relative humidity in October is 43%.Rainfall
In Acton, during October, the rain falls for 2.9 days and regularly aggregates up to 0.31" (8mm) of precipitation. Throughout the year, there are 51.4 rainfall days, and 7.6" (193mm) of precipitation is accumulated.Snowfall
May through October are months without snowfall in Acton.Daylight
In Acton, the average length of the day in October is 11h and 18min.On the first day of the month, sunrise is at 6:47 am and sunset at 6:36 pm. On the last day of October, in Acton, California, sunrise is at 7:12 am and sunset at 5:59 pm PDT.
Sunshine
In Acton, the average sunshine in October is 8.5h.UV index
The average daily maximum UV index in October is 4. A UV Index value of 3 to 5 symbolizes a medium vulnerability from unprotected exposure to Sun's UV rays for the average person.Note: A daily maximum UV index of 4 in October translates into the following instructions:
Make use of precautions - Shielding skin and eyes from injury is a requirement. Solar radiation is at its peak intensity during midday, so it's advisable to stay indoors or in the shade. Boost your sun resistance with garments that are densely woven yet spacious.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
What is the usual temperature for Acton in October?
What is the average humidity in October in Acton?
How much does it rain in Acton in October?
When it does not snow in Acton?
Does it snow in Acton in October?
What is the average length of the day in October in Acton?
What time are sunrise and sunset in October in Acton?
How many hours of sunshine does Acton have in October?
What is the UV index intensity in October in Acton?
Average temperature in October
Acton, CA
- Average high temperature in October: 74.3°F
The warmest month (with the highest average high temperature) is August (89.2°F).
The month with the lowest average high temperature is December (55.6°F).
- Average low temperature in October: 52.9°F
The month with the highest average low temperature is August (63.1°F).
The coldest month (with the lowest average low temperature) is December (39.2°F).
Average pressure in October
Acton, CA
- Average pressure in October: 29.95"Hg
The month with the highest atmospheric pressure is January (30.11"Hg).
The month with the lowest atmospheric pressure is June (29.87"Hg).
Average wind speed in October
Acton, CA
- Average wind speed in October: 6.6mph
The windiest month (with the highest average wind speed) is April (7.6mph).
The calmest month (with the lowest average wind speed) is September (5.7mph).
Average humidity in October
Acton, CA
- Average humidity in October: 43%
The months with the highest relative humidity are February, March and December (54%).
The month with the lowest relative humidity is August (38%).
Average rainfall in October
Acton, CA
- Average rainfall in October: 0.31"
The wettest month (with the highest rainfall) is December (1.65").
The driest month (with the least rainfall) is June (0.04").
Average rainfall days in October
Acton, CA
- Average rainfall days in October: 2.9 days
The month with the highest number of rainy days is March (7.4 days).
The month with the least rainy days is June (1.2 days).
Average snowfall in October
Acton, CA
- Average snowfall in October: 0"
The month with the highest snowfall is December (3.23").
The months with the least snowfall are May, June, July, August, September and October (0").
Average snowfall days in October
Acton, CA
- Average snowfall days in October: 0 days
The month with the highest number of snowfall days is February (0.8 days).
The months with the least snowfall days are May, June, July, August, September and October (0 days).
Average daylight in October /
Average sunshine in October
Acton, CA
- Average daylight in October: 11h and 2min
The month with the longest days is June (Average daylight: 14h and 24min).
The month with the shortest days is December (Average daylight: 9h and 54min).
- Average sunshine in October: 8h and 3min
The month with the most sunshine is July (Average sunshine: 12h and 6min).
The month with the least sunshine is January (Average sunshine: 6h and 42min).
Average sunshine days in October
Acton, CA
- Average sunshine days in October: 27.1 days
The month with the most sunshine days is June (28.3 days).
The month with the least sunshine days is February (21.3 days).
Average UV index in October
Acton, CA
- Average UV index in October: 4
The months with the highest UV index are June, July, August and September (UV index 6).
The months with the lowest UV index are January, February, November and December (UV index 3).
Average cloud cover in October
Acton, CA
- Average cloud cover in October: 11
The months with the most cloud cover are March and December (Cloud cover 24).
The month with the least cloud cover is August (Cloud cover 5).
Average visibility in October
Acton, 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).
Acton, California, USA
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