November weather forecastCastro Valley, CA
November
Weather in November
November, the last month of the autumn in Castro Valley, is another refreshing month, with an average temperature fluctuating between 63.5°F (17.5°C) and 48.2°F (9°C).Temperature
November involves a decrease in temperature, down from a pleasant 72.5°F (22.5°C) in October to a comfortable 63.5°F (17.5°C). Throughout the nights in November, an average low-temperature of 48.2°F (9°C) is noted.Humidity
In November, the average relative humidity is 66%.Rainfall
In November, in Castro Valley, California, the rain falls for 7 days. Throughout November, 1.34" (34mm) of precipitation is accumulated. In Castro Valley, during the entire year, the rain falls for 69.2 days and collects up to 11.1" (282mm) of precipitation.Daylight
In November, the average length of the day in Castro Valley is 10h and 9min.On the first day of November, sunrise is at 7:34 am and sunset at 6:09 pm PDT. On the last day of the month, sunrise is at 7:04 am and sunset at 4:50 pm PST.
Note: On Sunday, November 3. 2024, at 2:00 am, Daylight Saving Time ends, and the time zone changes from PDT to PST. Daylight Saving Time starts again on Sunday, March 9. 2025, at 2:00 am; consequently, the time zone reverts from PST to PDT.
Sunshine
The average sunshine in November in Castro Valley is 6.6h.UV index
January, February, November and December, with an average maximum UV index of 3, are months with the lowest UV index in Castro Valley. A UV Index estimate of 3 to 5 represents a medium health hazard from unprotected exposure to Sun's UV rays for average individuals.Note: The daily high UV index of 3 in November translates into this advice:
Take precautions - Protection against sun damage is advised. The best time to avoid the Sun's harmful UV radiation is during midday when it's most potent. For excellent sun protection for the eyes, ears, face, and neck, consider a wide-brim hat.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature in November
Castro Valley, CA
- Average high temperature in November: 63.5°F
The warmest month (with the highest average high temperature) is July (80.2°F).
The month with the lowest average high temperature is December (55.9°F).
- Average low temperature in November: 48.2°F
The month with the highest average low temperature is August (56.5°F).
The coldest months (with the lowest average low temperature) are January and December (43.7°F).
Average pressure in November
Castro Valley, CA
- Average pressure in November: 30.07"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 November
Castro Valley, CA
- Average wind speed in November: 4.6mph
The windiest month (with the highest average wind speed) is May (6.6mph).
The calmest month (with the lowest average wind speed) is November (4.6mph).
Average humidity in November
Castro Valley, CA
- Average humidity in November: 66%
The month with the highest relative humidity is March (74%).
The month with the lowest relative humidity is September (61%).
Average rainfall in November
Castro Valley, CA
- Average rainfall in November: 1.34"
The wettest month (with the highest rainfall) is February (2.28").
The driest months (with the least rainfall) are July and August (0.04").
Average rainfall days in November
Castro Valley, CA
- Average rainfall days in November: 7 days
The month with the highest number of rainy days is March (12.4 days).
The month with the least rainy days is August (0.9 days).
Average daylight in November /
Average sunshine in November
Castro Valley, CA
- Average daylight in November: 10h and 6min
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 November: 6h and 36min
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 November
Castro Valley, CA
- Average sunshine days in November: 22.4 days
The month with the most sunshine days is August (28.9 days).
The month with the least sunshine days is March (17.3 days).
Average UV index in November
Castro Valley, CA
- Average UV index in November: 3
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 November
Castro Valley, CA
- Average cloud cover in November: 23
The months with the most cloud cover are March and December (Cloud cover 34).
The month with the least cloud cover is July (Cloud cover 7).
Average visibility in November
Castro Valley, CA
- Average visibility in November: 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).
