Contents
- Weather in January
- Frequently asked questions
- Average temperature in January
- Average pressure in January
- Average wind speed in January
- Average humidity in January
- Average rainfall in January
- Average rainfall days in January
- Average daylight in January
- Average sunshine in January
- Average sunshine days in January
- Average UV index in January
- Average cloud cover in January
- Average visibility in January
Weather in January
Temperature
Upon the onset of January, Brookdale witnesses an average high-temperature of a still refreshing 57.7°F (14.3°C), showing a close resemblance to the prior month. Throughout January, the average low-temperature dips to a chilly 47.3°F (8.5°C).Humidity
In January, the average relative humidity is 73%.Rainfall
In Brookdale, in January, during 9.8 rainfall days, 2.4" (61mm) of precipitation is typically accumulated. In Brookdale, during the entire year, the rain falls for 74.2 days and collects up to 13.82" (351mm) of precipitation.Daylight
The average length of the day in January is 9h and 58min.On the first day of the month, sunrise is at 7:21 am and sunset at 5:01 pm. On the last day of January, sunrise is at 7:11 am and sunset at 5:31 pm PST.
Sunshine
The average sunshine in January is 6.3h.UV index
In Brookdale, the average daily maximum UV index in January is 4. A UV Index reading of 3 to 5 represents a moderate threat to health from unprotected exposure to Sun's UV rays for the average person.Note: The maximum UV index, 4 during January, leads to the following recommendations:
Take care. Persons with lighter skin might suffer burns in less than 30 minutes. It's recommended to limit sun exposure when its radiation is at its peak during midday. For effective sun eye protection, rely on sunglasses certified for UVA and UVB resistance.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
What is the temperature in January?
What is the average humidity in January?
How many days does it rain in January?
What is the average length of the day in January?
When is the sunrise / sunset in January?
How long on average sun shines in January?
How high is the UV index in January?
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).
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).
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).
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%).
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").
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).
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).
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).
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).
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).
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).
Brookdale, California, USA
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