November weather forecast
Altadena, 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 20.4°C and 10.6°C.

Temperature

The arrival of November suggests a slight decrease in the average high-temperature, moving from a moderately hot 24.9°C in October to a pleasant 20.4°C. November brings an average low-temperature of 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 22mm of precipitation. Throughout the year, there are 52 rainfall days, and 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.

Frequently asked questions

What is the average November temperature?
In Altadena, in November, the average high-temperature is 20.4°C, and the average low-temperature is 10.6°C. The average heat index (a.k.a. 'apparent temperature', 'real feel'), which represents the influence of relative humidity on air temperature, in September is evaluated at 30°C.
What is the least humid month?
The least humid month is November, with an average relative humidity of 46%.
What is the average humidity in November?
In Altadena, the average relative humidity in November is 46%.
How much does it rain in November?
In Altadena, during November, the rain falls for 3.8 days and regularly aggregates up to 22mm of precipitation.
What is the average length of the day in November?
In Altadena, the average day length in November is 10h and 23min.
What time are sunrise and sunset in November?
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.
When does Daylight Saving Time (DST) end in November?
On Sunday, November 3. 2024, at 2:00 am, Daylight Saving Time ends, and the time zone changes from PDT to PST. The next DST starts Sunday, March 9. 2025, at 2:00 am.
How many hours of sunshine does Altadena have in November?
The average sunshine duration in November is 7.3h.
What is the UV index intensity in November?
In Altadena, the average daily maximum UV index in November is 4. A UV Index value of 3 to 5 symbolizes a medium health risk from unsafe exposure to Sun's UV rays.
Average high temperature
Average low temperature
Average wind speed
Average max. wind speed
Average wind speed gusts
Average humidity
Average rainfall
Average rainfall days
Average daylight
Average sunshine
Average sunshine days
Average UV index
Average cloud cover
Average visibility
Average temperature in November - Altadena, CA
Average temperature in November
Altadena, CA
  • Average high temperature in November: 20.4°C

The warmest month (with the highest average high temperature) is August (30.1°C).
The month with the lowest average high temperature is December (16.1°C).

  • Average low temperature in November: 10.6°C

The month with the highest average low temperature is August (18°C).
The coldest month (with the lowest average low temperature) is December (7.5°C).

Average pressure in November - Altadena, CA
Average pressure in November
Altadena, CA
  • Average pressure in November: 1017mbar

The month with the highest atmospheric pressure is January (1019.5mbar).
The month with the lowest atmospheric pressure is June (1011.8mbar).

Average wind speed in November - Altadena, CA
Average wind speed in November
Altadena, CA
  • Average wind speed in November: 8.2km/h

The windiest month (with the highest average wind speed) is April (9.4km/h).
The calmest month (with the lowest average wind speed) is September (7.1km/h).

Average humidity in November - Altadena, CA
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
Altadena, CA
  • Average rainfall in November: 22mm

The wettest month (with the highest rainfall) is February (46mm).
The driest month (with the least rainfall) is June (1mm).

Average rainfall days in November - Altadena, CA
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 /
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
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
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
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
Altadena, CA
  • Average visibility in November: 10km

The months with the highest visibility are January, February, March, April, May, June, July, August, September, October, November and December (10km).
The months with the lowest visibility are January, February, March, April, May, June, July, August, September, October, November and December (10km).

Share