October weather forecastLos Altos, CA
October
Weather in October
October, the same as September, in Los Altos, California, is another pleasant autumn month, with an average temperature ranging between max 71.8°F (22.1°C) and min 54°F (12.2°C).Temperature
During the shift to October, a minor reduction in average high-temperature is observed, shifting from a warm 77.9°F (25.5°C) in September to an agreeable 71.8°F (22.1°C). Throughout the month of October, Los Altos sees a steady low-temperature average of 54°F (12.2°C).Humidity
July, September and October, with an average relative humidity of 63%, are the least humid months in Los Altos, California.Rainfall
In Los Altos, during October, the rain falls for 2.8 days and regularly aggregates up to 0.12" (3mm) of precipitation. Throughout the year, there are 53.1 rainfall days, and 4.41" (112mm) of precipitation is accumulated.Daylight
In Los Altos, the average length of the day in October is 11h and 13min.On the first day of October, sunrise is at 7:04 am and sunset at 6:51 pm. On the last day of the month, sunrise is at 7:33 am and sunset at 6:11 pm PDT.
Sunshine
In October, the average sunshine in Los Altos is 7.1h.UV index
The average daily maximum UV index in October in Los Altos is 5. A UV Index reading of 3 to 5 represents a moderate threat to health from unprotected exposure to Sun's UV rays for the average person.Note: The maximum daily UV index of 5 in October interprets into the following recommendations:
Preventative actions are necessary - The mandate to avoid skin and eye damage is in place. For skin protection, it's recommended to minimize Sun exposure during its peak hours around midday. It's wise to wear UVA and UVB-blocking sunglasses when the sun shines brightly.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature in October
Los Altos, CA
- Average high temperature in October: 71.8°F
The warmest month (with the highest average high temperature) is July (79.7°F).
The month with the lowest average high temperature is December (56.5°F).
- Average low temperature in October: 54°F
The month with the highest average low temperature is August (56.8°F).
The coldest month (with the lowest average low temperature) is December (44.1°F).
Average pressure in October
Los Altos, CA
- Average pressure in October: 29.98"Hg
The month with the highest atmospheric pressure is January (30.13"Hg).
The months with the lowest atmospheric pressure are June and September (29.92"Hg).
Average wind speed in October
Los Altos, CA
- Average wind speed in October: 4.7mph
The windiest months (with the highest average wind speed) are April and May (6.2mph).
The calmest months (with the lowest average wind speed) are August, September, October and November (4.7mph).
Average humidity in October
Los Altos, CA
- Average humidity in October: 63%
The month with the highest relative humidity is March (73%).
The months with the lowest relative humidity are July, September and October (63%).
Average rainfall in October
Los Altos, CA
- Average rainfall in October: 0.12"
The wettest months (with the highest rainfall) are February, March and December (0.83").
The driest months (with the least rainfall) are June, July and August (0.04").
Average rainfall days in October
Los Altos, CA
- Average rainfall days in October: 2.8 days
The month with the highest number of rainy days is March (10 days).
The month with the least rainy days is August (0.4 days).
Average daylight in October /
Average sunshine in October
Los Altos, CA
- Average daylight in October: 11h and 12min
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 6min
The months with the most sunshine are July and August (Average sunshine: 12h and 0min).
The month with the least sunshine is December (Average sunshine: 5h and 54min).
Average sunshine days in October
Los Altos, CA
- Average sunshine days in October: 27.1 days
The months with the most sunshine days are July and August (29.8 days).
The month with the least sunshine days is March (19.4 days).
Average UV index in October
Los Altos, CA
- Average UV index in October: 5
The month with the highest UV index is June (UV index 6).
The months with the lowest UV index are February, November and December (UV index 3).
Average cloud cover in October
Los Altos, CA
- Average cloud cover in October: 16
The month with the most cloud cover is March (Cloud cover 35).
The month with the least cloud cover is July (Cloud cover 7).
Average visibility in October
Los Altos, 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).
