October weather forecastBelvedere, CA
October
Weather in October
October, the same as September, in Belvedere, California, is another pleasant autumn month, with an average temperature fluctuating between 68.2°F (20.1°C) and 54.9°F (12.7°C).Temperature
Belvedere measures an average high-temperature of a still pleasant 68.2°F (20.1°C) in October, nearly consistent with the preceding month. Belvedere's nights in October experience an average temperature drop to a cool 54.9°F (12.7°C).Humidity
With an average relative humidity of 68%, October is the least humid month.Rainfall
In Belvedere, in October, during 3.7 rainfall days, 0.2" (5mm) of precipitation is typically accumulated. Throughout the year, there are 64.2 rainfall days, and 4.8" (122mm) of precipitation is accumulated.Ocean temperature
In Belvedere, the average seawater temperature in October is 57°F (13.9°C).Note: Diving into 57°F (13.9°C) when it's under 50°F (10°C) can cause immediate cold shock symptoms, marked by hyperventilation.
Daylight
In October, the average length of the day is 11h and 12min.On the first day of the month, sunrise is at 7:06 am and sunset at 6:52 pm. On the last day of October, sunrise is at 7:35 am and sunset at 6:11 pm PDT.
Sunshine
The average sunshine in October is 6.9h.UV index
In Belvedere, the average daily maximum UV index in October is 4. A UV Index estimate of 3 to 5 represents a medium vulnerability from unprotected exposure to Sun's UV rays for the average person.Note: In October, a regular UV index of 4 translates into these guidelines:
Safety measures are advised. Light-skinned individuals may experience burns in under half an hour. Exposing oneself to the midday Sun can be harmful due to the strong UV radiation; limit your time outside. Your best bet for sun defense on the face, eyes, and neck is a hat with a wide brim.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature in October
Belvedere, CA
- Average high temperature in October: 68.2°F
The warmest month (with the highest average high temperature) is September (72.3°F).
The month with the lowest average high temperature is December (55.2°F).
- Average low temperature in October: 54.9°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 (46.2°F).
Average pressure in October
Belvedere, 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
Belvedere, CA
- Average wind speed in October: 5.7mph
The windiest month (with the highest average wind speed) is May (7.9mph).
The calmest months (with the lowest average wind speed) are October and November (5.7mph).
Average humidity in October
Belvedere, CA
- Average humidity in October: 68%
The months with the highest relative humidity are March and August (76%).
The month with the lowest relative humidity is October (68%).
Average rainfall in October
Belvedere, CA
- Average rainfall in October: 0.2"
The wettest month (with the highest rainfall) is February (0.98").
The driest months (with the least rainfall) are June, July, August and September (0.08").
Average rainfall days in October
Belvedere, CA
- Average rainfall days in October: 3.7 days
The month with the highest number of rainy days is March (10.5 days).
The month with the least rainy days is June (1.9 days).
Average sea temperature in October
Belvedere, CA
- Average sea temperature in October: 56.9°F
The best month for swimming (with the highest average sea temperature) is September (57.3°F).
The coldest months (with the lowest average sea temperature) are April and June (53°F).
Average daylight in October /
Average sunshine in October
Belvedere, 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: 6h and 54min
The month with the most sunshine is July (Average sunshine: 11h and 24min).
The month with the least sunshine is December (Average sunshine: 5h and 42min).
Average sunshine days in October
Belvedere, CA
- Average sunshine days in October: 25 days
The month with the most sunshine days is October (25 days).
The month with the least sunshine days is March (18.4 days).
Average UV index in October
Belvedere, CA
- Average UV index in October: 4
The months with the highest UV index are April, June, July, August and September (UV index 5).
The months with the lowest UV index are January, February, November and December (UV index 3).
Average cloud cover in October
Belvedere, CA
- Average cloud cover in October: 20
The month with the most cloud cover is March (Cloud cover 38).
The month with the least cloud cover is September (Cloud cover 18).
Average visibility in October
Belvedere, 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).
