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
January is the coldest month, exhibiting average temperatures of 30.9°F (-0.6°C) at the peak and 19°F (-7.2°C) at the base.Humidity
In Long Brook, the average relative humidity in January is 81%.Rainfall
In Long Brook, during January, the rain falls for 9.8 days and regularly aggregates up to 1.81" (46mm) of precipitation. Throughout the year, there are 168 rainfall days, and 27.32" (694mm) of precipitation is accumulated.Snowfall
Months with snowfall are January through May, October through December. In Long Brook, during January, snow falls for 12.8 days and regularly aggregates up to 3.86" (98mm) of snow. In Long Brook, during the entire year, snow falls for 48.3 days and aggregates up to 17.68" (449mm) of snow.Daylight
In Long Brook, the average length of the day in January is 9h and 35min.On the first day of January in Long Brook, sunrise is at 7:31 am and sunset at 4:46 pm. On the last day of the month, sunrise is at 7:18 am and sunset at 5:20 pm EST.
Sunshine
The months with the least sunshine in Long Brook are January and February, with an average of 3.9h of sunshine.UV index
January through March, October through December, with an average maximum UV index of 2, are months with the lowest UV index in Long Brook, Pennsylvania. A UV Index of 2, and less, symbolizes a low health risk from unsafe exposure to UV radiation for ordinary individuals.Note: The average daily UV index of 2 in January transforms into the following instructions:
Most individuals face no major issues with lengthy exposure to the sun, but children, infants, and individuals with fair skin always require protection. When the Sun's UV radiation is most intense during midday, it's best to find shade and limit exposure. Sunglasses providing both UVA and UVB protection are non-negotiable on sunlit days. Keep in mind! Snow's reflective quality can nearly double the intensity of the Sun's UV radiation.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
What part of the year is the coldest in Long Brook?
How cold is January in Long Brook?
What is the average humidity in January in Long Brook?
How many days does it rain in January in Long Brook?
How much does it snow in Long Brook in January?
How many hours of daylight does Long Brook have in January?
When is the sunrise / sunset in January in Long Brook?
What are the months with the least sunshine in Long Brook?
How long on average sun shines in January in Long Brook?
What is the month with the lowest UV index in Long Brook?
What is the UV index intensity in January in Long Brook?
Average temperature in January
Long Brook, PA
- Average high temperature in January: 30.9°F
The warmest month (with the highest average high temperature) is July (81.7°F).
The month with the lowest average high temperature is January (30.9°F).
- Average low temperature in January: 19°F
The month with the highest average low temperature is July (59.2°F).
The coldest month (with the lowest average low temperature) is January (19°F).
Average pressure in January
Long Brook, PA
- Average pressure in January: 30.09"Hg
The month with the highest atmospheric pressure is November (30.13"Hg).
The month with the lowest atmospheric pressure is June (29.94"Hg).
Average wind speed in January
Long Brook, PA
- Average wind speed in January: 7.6mph
The windiest month (with the highest average wind speed) is April (7.8mph).
The calmest month (with the lowest average wind speed) is August (4.8mph).
Average humidity in January
Long Brook, PA
- Average humidity in January: 81%
The month with the highest relative humidity is February (83%).
The month with the lowest relative humidity is April (77%).
Average rainfall in January
Long Brook, PA
- Average rainfall in January: 1.81"
The wettest month (with the highest rainfall) is April (2.83").
The driest month (with the least rainfall) is November (1.77").
Average rainfall days in January
Long Brook, PA
- Average rainfall days in January: 9.8 days
The month with the highest number of rainy days is May (18.3 days).
The month with the least rainy days is February (9.7 days).
Average snowfall in January
Long Brook, PA
- Average snowfall in January: 3.86"
The month with the highest snowfall is February (5.43").
The months with the least snowfall are June, July, August and September (0").
Average snowfall days in January
Long Brook, PA
- Average snowfall days in January: 12.8 days
The month with the highest number of snowfall days is January (12.8 days).
The months with the least snowfall days are June, July, August and September (0 days).
Average daylight in January /
Average sunshine in January
Long Brook, PA
- 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 12min).
- Average sunshine in January: 3h and 5min
The month with the most sunshine is July (Average sunshine: 10h and 18min).
The months with the least sunshine are January and February (Average sunshine: 3h and 54min).
Average sunshine days in January
Long Brook, PA
- Average sunshine days in January: 12.8 days
The month with the most sunshine days is November (15.2 days).
The month with the least sunshine days is February (10 days).
Average UV index in January
Long Brook, PA
- Average UV index in January: 2
The month with the highest UV index is June (UV index 6).
The months with the lowest UV index are January, February, March, October, November and December (UV index 2).
Average cloud cover in January
Long Brook, PA
- Average cloud cover in January: 58
The months with the most cloud cover are January, February and December (Cloud cover 58).
The month with the least cloud cover is July (Cloud cover 34).
Average visibility in January
Long Brook, PA
- Average visibility in January: 5mi
The month with the highest visibility is April (6mi).
The months with the lowest visibility are January, February, March, May, June, July, August, September, October, November and December (5mi).
Long Brook, Pennsylvania, USA
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