January weather forecast
Brookdale, CA

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Weather in January

January, like December, is a moderate winter month in Brookdale, California, with an average temperature fluctuating between 57.7°F (14.3°C) and 47.3°F (8.5°C).

Temperature

The shift into January finds Brookdale at an average high-temperature of a still moderate 57.7°F (14.3°C), closely comparable to December's conditions. In Brookdale, the average nighttime temperature during January is a frosty 47.3°F (8.5°C).

Humidity

The average relative humidity in January is 73%.

Rainfall

In Brookdale, in January, during 9.8 rainfall days, 2.4" (61mm) of precipitation is typically accumulated. Throughout the year, there are 74.2 rainfall days, and 13.82" (351mm) of precipitation is accumulated.

Daylight

In January, the average length of the day in Brookdale is 9h and 58min.
On the first day of January in Brookdale, sunrise is at 7:21 am and sunset at 5:01 pm. On the last day of the month, sunrise is at 7:11 am and sunset at 5:31 pm PST.

Sunshine

In January, the average sunshine in Brookdale is 6.3h.

UV index

The average daily maximum UV index in January is 4. A UV Index value of 3 to 5 symbolizes a medium health hazard from unprotected exposure to Sun's UV rays for average individuals.
Note: The maximum UV index of 4 during January translates into these guidelines:
Take precautions - Protection against sun damage is advised. When the Sun is at its strongest around midday, find shade and limit exposure. Fend off the sun's harsh rays with appropriate clothing, a wide-brim hat, and UV-protective sunglasses.
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Frequently asked questions

What is the temperature in January in Brookdale?

The high-temperature, in January, in Brookdale, is 57.7°F (14.3°C), while the low-temperature averages to 47.3°F (8.5°C).

What is the average humidity in January in Brookdale?

In January, the average relative humidity in Brookdale is 73%.

How much does it rain in Brookdale in January?

In Brookdale, in January, during 9.8 rainfall days, 2.4" (61mm) of precipitation is typically accumulated.

How many hours of daylight does Brookdale have in January?

In Brookdale, California, the average day length in January is 9h and 58min.

When is the sunrise / sunset in January in Brookdale?

On the first day of January in Brookdale, sunrise is at 7:21 am and sunset at 5:01 pm. On the last day of the month, sunrise is at 7:11 am and sunset at 5:31 pm PST.

How long on average sun shines in January in Brookdale?

The average sunshine duration in January in Brookdale, California, is 6.3h.

How high is the UV index in January in Brookdale?

In Brookdale, California, the average daily maximum UV index in January is 4. A UV Index reading of 3 to 5 represents a moderate health threat from unsafe exposure to Sun's UV rays.
Average humidity
Average rainfall days
Average daylight
Average sunshine
Average sunshine days
Average UV index
Average cloud cover
Average visibility

Average temperature in January
Brookdale, CA

Average temperature in January - Brookdale, CA
  • Average high temperature in January: 57.7°F

The warmest month (with the highest average high temperature) is August (72.9°F).
The month with the lowest average high temperature is December (56.3°F).

  • Average low temperature in January: 47.3°F

The month with the highest average low temperature is September (56.3°F).
The coldest month (with the lowest average low temperature) is February (46.4°F).

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Average pressure in January
Brookdale, CA

Average pressure in January - Brookdale, CA
  • Average pressure in January: 30.13"Hg

The month with the highest atmospheric pressure is January (30.13"Hg).
The month with the lowest atmospheric pressure is September (29.92"Hg).

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Average wind speed in January
Brookdale, CA

Average wind speed in January - Brookdale, CA
  • Average wind speed in January: 6mph

The windiest month (with the highest average wind speed) is April (7.9mph).
The calmest months (with the lowest average wind speed) are July and August (5.8mph).

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Average humidity in January
Brookdale, CA

Average humidity in January - Brookdale, CA
  • Average humidity in January: 73%

The month with the highest relative humidity is March (76%).
The months with the lowest relative humidity are October and November (69%).

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Average rainfall in January
Brookdale, CA

Average rainfall in January - Brookdale, CA
  • Average rainfall in January: 2.4"

The wettest month (with the highest rainfall) is February (2.64").
The driest month (with the least rainfall) is July (0.04").

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Average rainfall days in January
Brookdale, CA

Average rainfall days in January - Brookdale, CA
  • Average rainfall days in January: 9.8 days

The month with the highest number of rainy days is March (13.3 days).
The months with the least rainy days are June and August (1.4 days).

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Average daylight in January /
Average sunshine in January
Brookdale, CA

Average daylight in January / Average sunshine in January - Brookdale, CA
  • Average daylight in January: 10h and 0min

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 42min).

  • Average sunshine in January: 6h and 2min

The month with the most sunshine is July (Average sunshine: 12h and 0min).
The month with the least sunshine is December (Average sunshine: 5h and 54min).

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Average sunshine days in January
Brookdale, CA

Average sunshine days in January - Brookdale, CA
  • Average sunshine days in January: 20.3 days

The month with the most sunshine days is June (27.3 days).
The month with the least sunshine days is March (16.6 days).

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Average UV index in January
Brookdale, CA

Average UV index in January - Brookdale, CA
  • Average UV index in January: 4

The months with the highest UV index are June, July, August and September (UV index 5).
The months with the lowest UV index are February, November and December (UV index 3).

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Average cloud cover in January
Brookdale, CA

Average cloud cover in January - Brookdale, CA
  • Average cloud cover in January: 31

The month with the most cloud cover is March (Cloud cover 35).
The month with the least cloud cover is July (Cloud cover 11).

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Average visibility in January
Brookdale, CA

Average visibility in January - Brookdale, CA
  • Average visibility in January: 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).

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Brookdale, California, USA

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