Contents
- Weather in November
- Frequently asked questions
- Average temperature in November
- Average pressure in November
- Average wind speed in November
- Average humidity in November
- Average rainfall in November
- Average rainfall days in November
- Average daylight in November
- Average sunshine in November
- Average sunshine days in November
- Average UV index in November
- Average cloud cover in November
- Average visibility in November
Weather in November
Temperature
The move into November indicates a slight reduction in the average high-temperature, down from October's warm 76.8°F (24.9°C) to an agreeable 68.7°F (20.4°C). Throughout the month of November, Altadena witnesses an average low-temperature of 51.1°F (10.6°C).Humidity
The least humid month is November, with an average relative humidity of 46%.Rainfall
In November, the rain falls for 3.8 days. Throughout November, 0.87" (22mm) of precipitation is accumulated. Throughout the year, there are 52 rainfall days, and 8.82" (224mm) of precipitation is accumulated.Daylight
The average length of the day in November in Altadena, California, is 10h and 23min.On the first day of November, sunrise is at 7:13 am and sunset at 5:59 pm PDT. On the last day of the month, 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
In November, the average daily maximum UV index in Altadena, California, is 4. A UV Index of 3 to 5 symbolizes a moderate health risk from exposure to the Sun's UV rays for average individuals.Note: A typical high UV index of 4 in November suggests the following recommendations:
Guard yourself - Precautionary measures against sun damage are advocated. UV radiation is strongest from the Sun during midday; protect yourself by staying in shaded areas. Always opt for UVA and UVB-resistant sunglasses on radiant days.
Frequently asked questions
What are the temperatures in Altadena in November?
What is the least humid month in Altadena?
What is the average humidity in November in Altadena?
How many days does it rain in November in Altadena?
How many hours of daylight does Altadena have in November?
When is the sunrise / sunset in November in Altadena?
When does Daylight Saving Time (DST) end in November in Altadena?
How many hours of sunshine does Altadena have in November?
How high is the UV index in November in Altadena?
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 2min
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 2min
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).
Altadena, California, USA
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