November weather forecastAltadena, CA
November
Weather in November
November, the last month of the autumn in Altadena, is also an agreeable month, with an average temperature fluctuating between 68.7°F (20.4°C) and 51.1°F (10.6°C).Temperature
The arrival of November suggests a slight decrease in the average high-temperature, moving from a moderately hot 76.8°F (24.9°C) in October to a pleasant 68.7°F (20.4°C). November brings an average low-temperature of 51.1°F (10.6°C) to Altadena.Humidity
November is the least humid month, with an average relative humidity of 46%.Rainfall
In Altadena, during November, the rain falls for 3.8 days and regularly aggregates up to 0.87" (22mm) of precipitation. Throughout the year, there are 52 rainfall days, and 8.82" (224mm) of precipitation is accumulated.Daylight
In November, the average length of the day is 10h and 23min.On the first day of the month, sunrise is at 7:13 am and sunset at 5:59 pm PDT. On the last day of November, sunrise is at 6:39 am and sunset at 4:42 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
In Altadena, the average sunshine in November is 7.3h.UV index
The average daily maximum UV index in November is 4. A UV Index estimate of 3 to 5 represents a medium vulnerability from unprotected exposure to Sun's UV rays for the ordinary person.Note: A maximum high daily UV index of 4 during November translates into the following directions:
Make use of precautions - Suggestions to resist sunburn are communicated. It's recommended to limit sun exposure when its radiation is at its peak during midday. For minimizing sun-related eye damage, always choose sunglasses with UVA and UVB coverage.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature in November
Altadena, CA
- Average high temperature in November: 68.7°F
The warmest month (with the highest average high temperature) is August (86.2°F).
The month with the lowest average high temperature is December (61°F).
- Average low temperature in November: 51.1°F
The month with the highest average low temperature is August (64.4°F).
The coldest month (with the lowest average low temperature) is December (45.5°F).
Average pressure in November
Altadena, CA
- Average pressure in November: 30.03"Hg
The month with the highest atmospheric pressure is January (30.11"Hg).
The month with the lowest atmospheric pressure is June (29.88"Hg).
Average wind speed in November
Altadena, CA
- Average wind speed in November: 5.1mph
The windiest month (with the highest average wind speed) is April (5.8mph).
The calmest month (with the lowest average wind speed) is September (4.4mph).
Average humidity in November
Altadena, CA
- Average humidity in November: 46%
The months with the highest relative humidity are March, May and June (56%).
The month with the lowest relative humidity is November (46%).
Average rainfall in November
Altadena, CA
- Average rainfall in November: 0.87"
The wettest month (with the highest rainfall) is February (1.81").
The driest month (with the least rainfall) is June (0.04").
Average rainfall days in November
Altadena, CA
- Average rainfall days in November: 3.8 days
The month with the highest number of rainy days is March (7.5 days).
The month with the least rainy days is June (1.3 days).
Average daylight in November /
Average sunshine in November
Altadena, CA
- Average daylight in November: 10h and 24min
The month with the longest days is June (Average daylight: 14h and 24min).
The month with the shortest days is December (Average daylight: 9h and 54min).
- Average sunshine in November: 7h and 18min
The months with the most sunshine are June and July (Average sunshine: 12h and 6min).
The months with the least sunshine are February and December (Average sunshine: 6h and 54min).
Average sunshine days in November
Altadena, CA
- Average sunshine days in November: 24.8 days
The month with the most sunshine days is June (27.2 days).
The month with the least sunshine days is February (21.3 days).
Average UV index in November
Altadena, CA
- Average UV index in November: 4
The months with the highest UV index are June, July, August and September (UV index 6).
The month with the lowest UV index is December (UV index 3).
Average cloud cover in November
Altadena, CA
- Average cloud cover in November: 14
The month with the most cloud cover is March (Cloud cover 22).
The month with the least cloud cover is August (Cloud cover 5).
Average visibility in November
Altadena, 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).
