October weather forecastVallecito, CA
October
Weather in October
October, the same as September, is another warm autumn month in Vallecito, California, with an average temperature varying between 73.8°F (23.2°C) and 51.8°F (11°C).Temperature
As September shifts into October, a slight alteration in temperatures is observed, with average highs reducing from 85.3°F (29.6°C) to a still warm 73.8°F (23.2°C). October nights present a stark temperature decrease to a cool 51.8°F (11°C).Humidity
The average relative humidity in October is 44%.Rainfall
In Vallecito, in October, during 3.8 rainfall days, 1.06" (27mm) of precipitation is typically accumulated. In Vallecito, during the entire year, the rain falls for 74.4 days and collects up to 22.87" (581mm) of precipitation.Snowfall
In Vallecito, snow does not fall in April through October.Daylight
The average length of the day in October is 11h and 11min.On the first day of the month, sunrise is at 6:58 am and sunset at 6:44 pm. On the last day of October, sunrise is at 7:27 am and sunset at 6:03 pm PDT.
Sunshine
In October, the average sunshine is 7.4h.UV index
In October, the average daily maximum UV index is 4. A UV Index estimate of 3 to 5 represents a moderate health risk from exposure to the Sun's UV radiation for the ordinary person.Note: The daily high UV index of 4 in October translates into this advice:
Undertake protective steps - Obligation to safeguard skin and eyes from harm is in place. For skin protection, it's recommended to minimize Sun exposure during its peak hours around midday. To best shield against UV radiation, choose sun-safe garments and dependable sunglasses.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature in October
Vallecito, CA
- Average high temperature in October: 73.8°F
The warmest month (with the highest average high temperature) is July (91.9°F).
The month with the lowest average high temperature is December (53.2°F).
- Average low temperature in October: 51.8°F
The month with the highest average low temperature is July (62.6°F).
The coldest month (with the lowest average low temperature) is December (37.8°F).
Average pressure in October
Vallecito, CA
- Average pressure in October: 30"Hg
The month with the highest atmospheric pressure is January (30.16"Hg).
The month with the lowest atmospheric pressure is June (29.91"Hg).
Average wind speed in October
Vallecito, CA
- Average wind speed in October: 5.1mph
The windiest month (with the highest average wind speed) is February (5.7mph).
The calmest month (with the lowest average wind speed) is November (4.7mph).
Average humidity in October
Vallecito, CA
- Average humidity in October: 44%
The month with the highest relative humidity is March (71%).
The months with the lowest relative humidity are July and August (34%).
Average rainfall in October
Vallecito, CA
- Average rainfall in October: 1.06"
The wettest month (with the highest rainfall) is March (4.76").
The driest months (with the least rainfall) are July and August (0.04").
Average rainfall days in October
Vallecito, CA
- Average rainfall days in October: 3.8 days
The month with the highest number of rainy days is March (13 days).
The month with the least rainy days is August (1.2 days).
Average snowfall in October
Vallecito, CA
- Average snowfall in October: 0"
The month with the highest snowfall is February (2.32").
The months with the least snowfall are April, May, June, July, August, September and October (0").
Average snowfall days in October
Vallecito, CA
- Average snowfall days in October: 0 days
The month with the highest number of snowfall days is February (1.2 days).
The months with the least snowfall days are April, May, June, July, August, September and October (0 days).
Average daylight in October /
Average sunshine in October
Vallecito, CA
- Average daylight in October: 11h and 12min
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 24min
The month with the most sunshine is July (Average sunshine: 12h and 12min).
The month with the least sunshine is December (Average sunshine: 5h and 48min).
Average sunshine days in October
Vallecito, CA
- Average sunshine days in October: 26.2 days
The month with the most sunshine days is July (29.1 days).
The month with the least sunshine days is March (16.8 days).
Average UV index in October
Vallecito, CA
- Average UV index in October: 4
The months with the highest UV index are June and July (UV index 7).
The month with the lowest UV index is November (UV index 2).
Average cloud cover in October
Vallecito, CA
- Average cloud cover in October: 14
The month with the most cloud cover is March (Cloud cover 37).
The month with the least cloud cover is July (Cloud cover 4).
Average visibility in October
Vallecito, 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).
