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, noted for its average high-temperature of 37°F (2.8°C) and an average low-temperature of 26.4°F (-3.1°C), is considered the coldest month.Humidity
In January, the average relative humidity is 74%.Rainfall
The month with the least rainfall in Matawan is January, when the rain falls for 8.2 days and typically collects 1.61" (41mm) of precipitation.Snowfall
Months with snowfall are January through April, November and December. In January, it is snowing for 5 days. Throughout January, 1.34" (34mm) of snow is accumulated. In Matawan, during the entire year, snow falls for 16.9 days and aggregates up to 6.34" (161mm) of snow.Daylight
The average length of the day in January is 9h and 41min.On the first day of January, sunrise is at 7:19 am and sunset at 4:40 pm. On the last day of the month, sunrise is at 7:07 am and sunset at 5:13 pm EST.
Sunshine
The average sunshine in January is 5.2h.UV index
The months with the lowest UV index in Matawan are January through March, November and December, with an average maximum UV index of 2. A UV Index value of 2, and less, symbolizes a low health risk from exposure to the Sun's UV radiation for average individuals.Note: During January, 2 as the daily maximum UV index converts into the following advice:
Extended exposure to the sun should always be avoided by children, infants, and those with sensitive skin. To prevent harmful UV exposure, minimize direct contact with the Sun around midday. Shield yourself from the harmful effects of UV radiation with sun-protective attire, a hat, and quality sunglasses. Warning! The reflection from snow can nearly magnify the Sun's UV radiation twofold.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
What is the coldest time of year?
How cold is January?
What is the average humidity in January?
What is the driest month?
How many days does it rain in January?
How much does it snow in Matawan 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 Matawan have in January?
When is the lowest UV index?
What is the UV index reading in January?
Average temperature in January
Matawan, NJ
- Average high temperature in January: 37°F
The warmest month (with the highest average high temperature) is July (82.6°F).
The month with the lowest average high temperature is January (37°F).
- Average low temperature in January: 26.4°F
The month with the highest average low temperature is July (69.4°F).
The coldest month (with the lowest average low temperature) is January (26.4°F).
Average pressure in January
Matawan, 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
Matawan, NJ
- Average wind speed in January: 10.4mph
The windiest month (with the highest average wind speed) is January (10.4mph).
The calmest month (with the lowest average wind speed) is July (6.7mph).
Average humidity in January
Matawan, NJ
- Average humidity in January: 74%
The months with the highest relative humidity are May and June (77%).
The months with the lowest relative humidity are March, April, August and November (73%).
Average rainfall in January
Matawan, NJ
- Average rainfall in January: 1.61"
The wettest month (with the highest rainfall) is July (3.43").
The driest month (with the least rainfall) is January (1.61").
Average rainfall days in January
Matawan, NJ
- Average rainfall days in January: 8.2 days
The month with the highest number of rainy days is July (17.2 days).
The month with the least rainy days is January (8.2 days).
Average snowfall in January
Matawan, NJ
- Average snowfall in January: 1.34"
The month with the highest snowfall is March (2.48").
The months with the least snowfall are May, June, July, August, September and October (0").
Average snowfall days in January
Matawan, NJ
- Average snowfall days in January: 5 days
The month with the highest number of snowfall days is January (5 days).
The months with the least snowfall days are May, June, July, August, September and October (0 days).
Average daylight in January /
Average sunshine in January
Matawan, 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 36min).
The month with the least sunshine is February (Average sunshine: 4h and 48min).
Average sunshine days in January
Matawan, NJ
- Average sunshine days in January: 18.7 days
The month with the most sunshine days is November (19.1 days).
The month with the least sunshine days is July (11.5 days).
Average UV index in January
Matawan, 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
Matawan, NJ
- Average cloud cover in January: 44
The months with the most cloud cover are February, March and December (Cloud cover 47).
The months with the least cloud cover are July and August (Cloud cover 30).
Average visibility in January
Matawan, NJ
- 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).
Matawan, New Jersey, USA
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