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
Berkeley Heights's temperature records reveal January as the coldest month, marked by average highs of 35.4°F (1.9°C) and lows of 23.4°F (-4.8°C).Humidity
In Berkeley Heights, the average relative humidity in January is 76%.Rainfall
In Berkeley Heights, in January, it is raining for 9.2 days, with typically 2.01" (51mm) of accumulated precipitation. Throughout the year, there are 161.2 rainfall days, and 30.31" (770mm) of precipitation is accumulated.Snowfall
January through May, October through December are months with snowfall. In Berkeley Heights, New Jersey, in January, snow falls for 7.9 days, with typically accumulated 2.09" (53mm) of snow. In Berkeley Heights, during the entire year, snow falls for 26.6 days and aggregates up to 11.18" (284mm) of snow.Daylight
In January, the average length of the day is 9h and 40min.On the first day of January, sunrise is at 7:21 am and sunset at 4:40 pm. On the last day of the month, sunrise is at 7:08 am and sunset at 5:13 pm EST.
Sunshine
The average sunshine in January is 5.1h.UV index
The months with the lowest UV index are January through March, November and December, with an average maximum UV index of 2. A UV Index estimate of 2, and below, represents a low health risk from exposure to the Sun's UV radiation for ordinary individuals.Note: The maximum daily UV index of 2 in January interprets into the following recommendations:
Children necessitate constant protection from sunlight, unlike the majority, who can remain under the sun for about an hour without burning. The Sun is most powerful around mid-day, so it's a good practice to reduce direct exposure. Your best bet for sun defense on the face, eyes, and neck is a hat with a wide brim. Caution! The reflection of snow 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 is the coldest month?
How cold is it in January?
What is the average humidity in January?
How much does it rain in January?
How many days does it snow in January?
What is the average length of the day in January?
When are sunrise and sunset in January?
How many hours of sunshine does Berkeley Heights have in January?
What are the months with the lowest UV index?
What is the UV index intensity in January?
Average temperature in January
Berkeley Heights, NJ
- Average high temperature in January: 35.4°F
The warmest month (with the highest average high temperature) is July (84°F).
The month with the lowest average high temperature is January (35.4°F).
- Average low temperature in January: 23.4°F
The month with the highest average low temperature is July (66.4°F).
The coldest month (with the lowest average low temperature) is January (23.4°F).
Average pressure in January
Berkeley Heights, NJ
- Average pressure in January: 30.07"Hg
The month with the highest atmospheric pressure is November (30.11"Hg).
The month with the lowest atmospheric pressure is June (29.93"Hg).
Average wind speed in January
Berkeley Heights, NJ
- Average wind speed in January: 8.5mph
The windiest month (with the highest average wind speed) is March (8.7mph).
The calmest month (with the lowest average wind speed) is August (5.5mph).
Average humidity in January
Berkeley Heights, NJ
- Average humidity in January: 76%
The months with the highest relative humidity are February and December (79%).
The month with the lowest relative humidity is April (73%).
Average rainfall in January
Berkeley Heights, NJ
- Average rainfall in January: 2.01"
The wettest months (with the highest rainfall) are July and December (3.11").
The driest month (with the least rainfall) is September (1.69").
Average rainfall days in January
Berkeley Heights, NJ
- Average rainfall days in January: 9.2 days
The month with the highest number of rainy days is July (17.1 days).
The month with the least rainy days is January (9.2 days).
Average snowfall in January
Berkeley Heights, NJ
- Average snowfall in January: 2.09"
The month with the highest snowfall is March (3.43").
The months with the least snowfall are June, July, August and September (0").
Average snowfall days in January
Berkeley Heights, NJ
- Average snowfall days in January: 7.9 days
The month with the highest number of snowfall days is January (7.9 days).
The months with the least snowfall days are June, July, August and September (0 days).
Average daylight in January /
Average sunshine in January
Berkeley Heights, NJ
- Average daylight in January: 9h and 4min
The month with the longest days is June (Average daylight: 15h and 0min).
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 24min).
The month with the least sunshine is February (Average sunshine: 4h and 36min).
Average sunshine days in January
Berkeley Heights, NJ
- Average sunshine days in January: 16.8 days
The month with the most sunshine days is November (18.3 days).
The month with the least sunshine days is June (11.3 days).
Average UV index in January
Berkeley Heights, NJ
- 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, November and December (UV index 2).
Average cloud cover in January
Berkeley Heights, NJ
- Average cloud cover in January: 45
The month with the most cloud cover is March (Cloud cover 49).
The months with the least cloud cover are July and August (Cloud cover 33).
Average visibility in January
Berkeley Heights, NJ
- Average visibility in January: 6mi
The months with the highest visibility are January, February, March, April, June, July, August, September, October, November and December (6mi).
The month with the lowest visibility is May (5mi).
Berkeley Heights, New Jersey, USA
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