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
A minor decrease in the average high-temperature is observed during October, shifting from a warm 82.9°F (28.3°C) in September to a still moderately hot 74.3°F (23.5°C). Marked by a significant drop from the daytime highs, Livermore's average low-temperature in October stands at a cool 52.5°F (11.4°C).Humidity
In Livermore, the average relative humidity in October is 57%.Rainfall
In Livermore, California, in October, it is raining for 4.5 days, with typically 0.55" (14mm) of accumulated precipitation. Throughout the year, there are 70.6 rainfall days, and 11.3" (287mm) of precipitation is accumulated.Daylight
In Livermore, the average length of the day in October is 11h and 12min.On the first day of the month, sunrise is at 7:03 am and sunset at 6:49 pm. On the last day of October, sunrise is at 7:32 am and sunset at 6:09 pm PDT.
Sunshine
In October, the average sunshine is 7.2h.UV index
In Livermore, the average daily maximum UV index in October is 4. A UV Index of 3 to 5 symbolizes a moderate health risk from exposure to the Sun's UV rays for the average person.Note: A maximum daily UV index of 4 during October morphs into the following directions:
Act with care - Obligation to protect against skin and eye damage is highlighted. To prevent harmful UV exposure, minimize direct contact with the Sun around midday. Limit sun-induced ocular harm with sunglasses that feature UVA and UVB filtration.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
What is the temperature in October?
What is the average humidity in October?
How many days does it rain in October?
What is the average length of the day in October in Livermore?
When is the sunrise / sunset in October in Livermore?
How many hours of sunshine does Livermore have in October?
What is the UV index intensity in October?
Average temperature in October
Livermore, CA
- Average high temperature in October: 74.3°F
The warmest month (with the highest average high temperature) is July (86°F).
The month with the lowest average high temperature is December (54.9°F).
- Average low temperature in October: 52.5°F
The month with the highest average low temperature is August (56.7°F).
The coldest month (with the lowest average low temperature) is January (41.4°F).
Average pressure in October
Livermore, CA
- Average pressure in October: 29.98"Hg
The month with the highest atmospheric pressure is January (30.14"Hg).
The months with the lowest atmospheric pressure are June, August and September (29.92"Hg).
Average wind speed in October
Livermore, CA
- Average wind speed in October: 4.5mph
The windiest months (with the highest average wind speed) are May and June (6.5mph).
The calmest month (with the lowest average wind speed) is November (4.2mph).
Average humidity in October
Livermore, CA
- Average humidity in October: 57%
The month with the highest relative humidity is March (74%).
The months with the lowest relative humidity are July and September (55%).
Average rainfall in October
Livermore, CA
- Average rainfall in October: 0.55"
The wettest month (with the highest rainfall) is February (2.09").
The driest month (with the least rainfall) is August (0.04").
Average rainfall days in October
Livermore, CA
- Average rainfall days in October: 4.5 days
The month with the highest number of rainy days is March (12.7 days).
The month with the least rainy days is August (1.3 days).
Average daylight in October /
Average sunshine in October
Livermore, CA
- Average daylight in October: 11h and 1min
The month with the longest days is June (Average daylight: 14h and 42min).
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: 6h and 0min).
Average sunshine days in October
Livermore, CA
- Average sunshine days in October: 25.3 days
The month with the most sunshine days is August (28.8 days).
The month with the least sunshine days is March (17.6 days).
Average UV index in October
Livermore, 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
Livermore, CA
- Average cloud cover in October: 15
The month with the most cloud cover is March (Cloud cover 35).
The month with the least cloud cover is July (Cloud cover 5).
Average visibility in October
Livermore, 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).
Livermore, California, USA
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