October weather forecastSan Lorenzo, CA
October
Weather in October
October, like September, is another pleasant autumn month in San Lorenzo, California, with an average temperature fluctuating between 71.8°F (22.1°C) and 54°F (12.2°C).Temperature
As October arrives, San Lorenzo's weather displays a minor decrease in high-temperatures, transitioning from September's moderately hot 78.3°F (25.7°C) to an agreeable 71.8°F (22.1°C). Throughout October, the temperature tends to fall to a consistent average low of 54°F (12.2°C).Humidity
In San Lorenzo, the average relative humidity in October is 63%.Rainfall
In San Lorenzo, during October, the rain falls for 3.2 days and regularly aggregates up to 0.16" (4mm) of precipitation. In San Lorenzo, during the entire year, the rain falls for 56.9 days and collects up to 4.06" (103mm) of precipitation.Daylight
The average length of the day in October in San Lorenzo is 11h and 12min.On the first day of the month, sunrise is at 7:04 am and sunset at 6:50 pm. On the last day of October, sunrise is at 7:33 am and sunset at 6:10 pm PDT.
Sunshine
The average sunshine in October is 7.1h.UV index
In October, the average daily maximum UV index in San Lorenzo is 4. A UV Index estimate of 3 to 5 represents a medium health hazard from exposure to the Sun's UV radiation for the average person.Note: A maximum UV index of 4 in October translates into the following recommendations:
Exercise care. People with light skin might get burns in fewer than 30 minutes. Solar radiation is at its peak intensity during midday, so it's advisable to stay indoors or in the shade. A wide-brimmed hat is a shield, deflecting up to 50% of harmful UV radiation from eyes.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature in October
San Lorenzo, CA
- Average high temperature in October: 71.8°F
The warmest month (with the highest average high temperature) is July (79.2°F).
The month with the lowest average high temperature is December (56.1°F).
- Average low temperature in October: 54°F
The month with the highest average low temperature is September (56.5°F).
The coldest months (with the lowest average low temperature) are January and December (44.1°F).
Average pressure in October
San Lorenzo, 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, August and September (29.92"Hg).
Average wind speed in October
San Lorenzo, CA
- Average wind speed in October: 4.8mph
The windiest month (with the highest average wind speed) is May (6.7mph).
The calmest month (with the lowest average wind speed) is November (4.7mph).
Average humidity in October
San Lorenzo, CA
- Average humidity in October: 63%
The month with the highest relative humidity is March (74%).
The month with the lowest relative humidity is September (62%).
Average rainfall in October
San Lorenzo, CA
- Average rainfall in October: 0.16"
The wettest month (with the highest rainfall) is February (0.87").
The driest months (with the least rainfall) are June, July and August (0.04").
Average rainfall days in October
San Lorenzo, CA
- Average rainfall days in October: 3.2 days
The month with the highest number of rainy days is March (10.5 days).
The month with the least rainy days is August (0.7 days).
Average daylight in October /
Average sunshine in October
San Lorenzo, 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 month with the most sunshine is July (Average sunshine: 12h and 6min).
The month with the least sunshine is December (Average sunshine: 5h and 54min).
Average sunshine days in October
San Lorenzo, CA
- Average sunshine days in October: 26 days
The month with the most sunshine days is July (27.9 days).
The month with the least sunshine days is March (18.6 days).
Average UV index in October
San Lorenzo, CA
- Average UV index in October: 4
The month with the highest UV index is June (UV index 6).
The months with the lowest UV index are January, February, November and December (UV index 3).
Average cloud cover in October
San Lorenzo, CA
- Average cloud cover in October: 16
The month with the most cloud cover is March (Cloud cover 34).
The month with the least cloud cover is July (Cloud cover 7).
Average visibility in October
San Lorenzo, 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).





