November weather forecast and climate
Altadena, CA

Weather in November

November, the last month of the autumn, in Altadena, is also an agreeable month, with average temperature ranging between min 51.1°F (10.6°C) and max 68.7°F (20.4°C).

Temperature

In Altadena, the average high-temperature marginally drops, from a warm 76.8°F (24.9°C) in October, to a pleasant 68.7°F (20.4°C). In November, in Altadena, the average low-temperature is 51.1°F (10.6°C).

Humidity

November is the least humid month in Altadena, 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, in Altadena, there are 52 rainfall days, and 8.82" (224mm) of precipitation is accumulated.

Daylight

The average length of the day in Altadena, California, is 10.4h.

Sunshine

The average sunshine in Altadena is 7.3h.

UV index

In November, the average daily maximum UV index is 4. A UV Index estimate of 3 to 5 represents a moderate threat to health from the exposure to the Sun's UV rays for ordinary individuals.
Note: The daily maximum UV index of 4 in November interpret into the following advice:
Take precautions - Protection against sun damage is advised. The solar radiation is most powerful near the mid-day, so the exposure to the direct Sun should be reduced accordingly. Sun-protective clothing, a long-sleeved shirt and pants, a wide-brimmed hat, and UVA and UVB-blocking sunglasses are particularly helpful in blocking UV radiation's harmful effects.
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FAQ

What is the temperature in November in Altadena?

In Altadena, in November, the average high-temperature is 68.7°F (20.4°C), and the average low-temperature is 51.1°F (10.6°C).

What is the least humid month in Altadena?

With an average relative humidity of 46%, November is the least humid month.

What is the average humidity in November in Altadena?

In Altadena, the average relative humidity in November is 46%.

How much does it rain in Altadena in November?

In Altadena, in November, during 3.8 rainfall days, 0.87" (22mm) of precipitation is typically accumulated.

What is the average length of the day in November in Altadena?

In Altadena, California, the average length of the day in November is 10.4h.

How long on average sun shines in November in Altadena?

The average sunshine in November in Altadena is 7.3h.

What is the UV index intensity in November in Altadena?

The average daily maximum UV index in November in Altadena is 4. A UV Index reading of 3 to 5 represents a moderate vulnerability from the exposure to the Sun's UV rays.

Average temperature in November
Altadena, CA

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).

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Average pressure in November
Altadena, CA

Average pressure in November - Altadena, CA
  • Average pressure in November: 30.03"

The month with the highest atmospheric pressure is January (30.11").
The month with the lowest atmospheric pressure is June (29.88").

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Average wind speed in November
Altadena, CA

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).

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Average humidity in November
Altadena, CA

Average humidity in November - Altadena, CA
  • Average humidity in November: 46%

Months with the highest relative humidity are March, May and June (56%).
The month with the lowest relative humidity is November (46%).

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Average rainfall in November
Altadena, CA

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").

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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).

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Average daylight in November /
Average sunshine in November
Altadena, CA

Average daylight in November / Average sunshine in November - Altadena, CA
  • Average daylight in November: 10.4h

The month with the longest days is June (Average daylight: 14.4h).
The month with the shortest days is December (Average daylight: 9.9h).

  • Average sunshine in November: 7.3h

Months with the most sunshine are June and July (Average sunshine: 12.1h).
Months with the least sunshine are February and December (Average sunshine: 6.9).

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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).

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Average UV index in November
Altadena, CA

Average UV index in November - Altadena, CA
  • Average UV index in November: 4

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).

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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).

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Average visibility in November
Altadena, CA

Average visibility in November - Altadena, CA
  • Average visibility in November: 6mi

Months with the highest visibility are January, February, March, April, May, June, July, August, September, October, November and December (6mi).
Months with the lowest visibility are January, February, March, April, May, June, July, August, September, October, November and December (6mi).

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