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 snowfall in January
- Average snowfall 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
Brentwood's temperature records reveal January as the coldest month, marked by average highs of 37.9°F (3.3°C) and lows of 30°F (-1.1°C).Humidity
In January, the average relative humidity is 72%.Rainfall
The month with the least rainfall is January, when the rain falls for 7.6 days and typically collects 2.05" (52mm) of precipitation.Snowfall
January through March, October through December are months with snowfall. In Brentwood, in January, snow falls for 3.8 days, with typically accumulated 1.22" (31mm) of snow. Throughout the year, there are 13 snowfall days, and 5.87" (149mm) of snow is accumulated.Daylight
In Brentwood, the average length of the day in January is 9h and 39min.On the first day of the month, sunrise is at 7:17 am and sunset at 4:35 pm. On the last day of January, sunrise is at 7:04 am and sunset at 5:08 pm EST.
Sunshine
The average sunshine in January is 5.2h.UV index
The months with the lowest UV index are January through March and December, with an average maximum UV index of 2. A UV Index reading of 2, and below, represents a minimal health vulnerability from unprotected exposure to Sun's UV rays for the average person.Note: In January, the UV index of 2 transforms into the following advice:
Babies, children, and individuals with sensitive skin should always have protection against extended sun exposure. The most potent solar radiation is around mid-day, so one should minimize exposure to direct sunlight during this period. Outfit yourself in sun-safe attire, like long sleeves, pants, a hat, and UV-blocking sunglasses. Take into account! The reflection from snow can nearly double the Sun's UV radiation intensity.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
What month is the coldest?
Is it cold during January?
What is the average humidity in January?
What is the driest month?
How much does it rain in January?
How much does it snow 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?
What is the month with the lowest UV index?
What is the UV index intensity in January?
Average temperature in January
Brentwood, NY
- Average high temperature in January: 37.9°F
The warmest month (with the highest average high temperature) is July (79°F).
The month with the lowest average high temperature is January (37.9°F).
- Average low temperature in January: 30°F
The month with the highest average low temperature is August (72°F).
The coldest month (with the lowest average low temperature) is January (30°F).
Average pressure in January
Brentwood, NY
- Average pressure in January: 30.05"Hg
The month with the highest atmospheric pressure is November (30.09"Hg).
The month with the lowest atmospheric pressure is June (29.93"Hg).
Average wind speed in January
Brentwood, NY
- Average wind speed in January: 13.4mph
The windiest month (with the highest average wind speed) is January (13.4mph).
The calmest month (with the lowest average wind speed) is July (8.6mph).
Average humidity in January
Brentwood, NY
- Average humidity in January: 72%
The months with the highest relative humidity are May and June (77%).
The month with the lowest relative humidity is November (71%).
Average rainfall in January
Brentwood, NY
- Average rainfall in January: 2.05"
The wettest month (with the highest rainfall) is July (3.86").
The driest month (with the least rainfall) is January (2.05").
Average rainfall days in January
Brentwood, NY
- Average rainfall days in January: 7.6 days
The month with the highest number of rainy days is July (17.9 days).
The month with the least rainy days is January (7.6 days).
Average snowfall in January
Brentwood, NY
- Average snowfall in January: 1.22"
The month with the highest snowfall is March (1.97").
The months with the least snowfall are April, May, June, July, August and September (0").
Average snowfall days in January
Brentwood, NY
- Average snowfall days in January: 3.8 days
The month with the highest number of snowfall days is February (4.2 days).
The months with the least snowfall days are May, June, July, August and September (0 days).
Average daylight in January /
Average sunshine in January
Brentwood, NY
- Average daylight in January: 9h and 4min
The month with the longest days is June (Average daylight: 15h and 6min).
The month with the shortest days is December (Average daylight: 9h and 18min).
- Average sunshine in January: 5h and 1min
The month with the most sunshine is July (Average sunshine: 10h and 48min).
The month with the least sunshine is February (Average sunshine: 4h and 48min).
Average sunshine days in January
Brentwood, NY
- Average sunshine days in January: 19.4 days
The month with the most sunshine days is November (19.7 days).
The month with the least sunshine days is July (11.2 days).
Average UV index in January
Brentwood, NY
- Average UV index in January: 2
The months with the highest UV index are June, July and August (UV index 6).
The months with the lowest UV index are January, February, March and December (UV index 2).
Average cloud cover in January
Brentwood, NY
- Average cloud cover in January: 44
The month with the most cloud cover is December (Cloud cover 48).
The month with the least cloud cover is August (Cloud cover 27).
Average visibility in January
Brentwood, NY
- 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).
Brentwood, New York, USA
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