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
The coldest time of the year is January, with temperatures averaging a high of 34°F (1.1°C) and a low of 21.6°F (-5.8°C).Humidity
The average relative humidity in January is 78%.Rainfall
In January, the rain falls for 8.1 days. Throughout January, 2.01" (51mm) of precipitation is accumulated. In Brass Castle, during the entire year, the rain falls for 157.6 days and collects up to 28.7" (729mm) of precipitation.Snowfall
Months with snowfall are January through May, October through December. In Brass Castle, in January, snow falls for 8.4 days, with typically accumulated 3.07" (78mm) of snow. In Brass Castle, during the entire year, snow falls for 30.4 days and aggregates up to 14.76" (375mm) of snow.Daylight
The average length of the day in January is 9h and 39min.On the first day of the month, sunrise is at 7:24 am and sunset at 4:42 pm. On the last day of January, sunrise is at 7:11 am and sunset at 5:15 pm EST.
Sunshine
In Brass Castle, the average sunshine in January is 4.9h.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 minimal health hazard from unsafe exposure to UV radiation for ordinary individuals.Note: In January, the maximum UV index of 2 suggests these recommendations:
People with sensitive skin, children, and babies should always be protected from prolonged sun exposure. Considering the harmful UV rays from the Sun during midday, it's essential to reduce exposure. Sun protection is enhanced with clothing that boasts a tight weave yet offers a loose fit. Be watchful! The reflection of snow can enhance the intensity of the Sun's UV radiation nearly double.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
What is the coldest month?
How cold is January?
What is the average humidity in January?
How much does it rain in January?
How much does it snow in Brass Castle in January?
What is the average length of the day in January?
What time are sunrise and sunset in January in Brass Castle?
How many hours of sunshine does Brass Castle have in January?
What are the months with the lowest UV index?
What is the UV index reading in January?
Average temperature in January
Brass Castle, NJ
- Average high temperature in January: 34°F
The warmest month (with the highest average high temperature) is July (83.7°F).
The month with the lowest average high temperature is January (34°F).
- Average low temperature in January: 21.6°F
The month with the highest average low temperature is July (63°F).
The coldest month (with the lowest average low temperature) is January (21.6°F).
Average pressure in January
Brass Castle, 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
Brass Castle, NJ
- Average wind speed in January: 7.9mph
The windiest month (with the highest average wind speed) is March (8.1mph).
The calmest month (with the lowest average wind speed) is August (4.8mph).
Average humidity in January
Brass Castle, NJ
- Average humidity in January: 78%
The month with the highest relative humidity is February (81%).
The month with the lowest relative humidity is April (76%).
Average rainfall in January
Brass Castle, NJ
- Average rainfall in January: 2.01"
The wettest month (with the highest rainfall) is July (2.87").
The driest month (with the least rainfall) is September (1.54").
Average rainfall days in January
Brass Castle, NJ
- Average rainfall days in January: 8.1 days
The month with the highest number of rainy days is May (16.5 days).
The month with the least rainy days is January (8.1 days).
Average snowfall in January
Brass Castle, NJ
- Average snowfall in January: 3.07"
The month with the highest snowfall is February (3.82").
The months with the least snowfall are June, July, August and September (0").
Average snowfall days in January
Brass Castle, NJ
- Average snowfall days in January: 8.4 days
The month with the highest number of snowfall days is January (8.4 days).
The months with the least snowfall days are June, July, August and September (0 days).
Average daylight in January /
Average sunshine in January
Brass Castle, NJ
- 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: 4h and 5min
The month with the most sunshine is July (Average sunshine: 10h and 18min).
The month with the least sunshine is February (Average sunshine: 4h and 36min).
Average sunshine days in January
Brass Castle, NJ
- Average sunshine days in January: 16.3 days
The month with the most sunshine days is November (17.5 days).
The month with the least sunshine days is April (11.8 days).
Average UV index in January
Brass Castle, NJ
- Average UV index in January: 2
The months with the highest UV index are June and July (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
Brass Castle, NJ
- Average cloud cover in January: 47
The month with the most cloud cover is February (Cloud cover 50).
The month with the least cloud cover is July (Cloud cover 34).
Average visibility in January
Brass Castle, NJ
- Average visibility in January: 5mi
The months with the highest visibility are April and November (6mi).
The months with the lowest visibility are January, February, March, May, June, July, August, September, October and December (5mi).
Brass Castle, New Jersey, USA
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