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 sea temperature 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
In Port Reading, January is the coldest month, with temperatures averaging a high of 36.5°F (2.5°C) and a low of 25.7°F (-3.5°C).Humidity
In January, the average relative humidity is 74%.Rainfall
In Port Reading, during January, the rain falls for 4.9 days and regularly aggregates up to 0.51" (13mm) of precipitation. In Port Reading, during the entire year, the rain falls for 110.2 days and collects up to 8.9" (226mm) of precipitation.Snowfall
Months with snowfall are January through April, November and December. In January, in Port Reading, New Jersey, it is snowing for 3.8 days. Throughout January, 0.35" (9mm) of snow is accumulated. In Port Reading, during the entire year, snow falls for 14.5 days and aggregates up to 1.85" (47mm) of snow.Ocean temperature
In Port Reading, in January, the average water temperature is 41.7°F (5.4°C).Note: At temperatures below 50°F (10°C), swimming in a suitably protected swimsuit is feasible; otherwise, cold shock and loss of breathing control are imminent. Even a short swim, without thermal protection, at temperatures around 55.4°F (13°C) is not comfortable.
Daylight
In Port Reading, the average length of the day in January is 9h and 40min.On the first day of the month, sunrise is at 7:20 am and sunset at 4:40 pm. On the last day of January, sunrise is at 7:07 am and sunset at 5:13 pm EST.
Sunshine
In January, the average sunshine is 5.2h.UV index
January through March, November and December, with an average maximum UV index of 2, are months with the lowest UV index. A UV Index value of 2, and less, symbolizes a minimal health vulnerability from unprotected exposure to Sun's UV rays for ordinary individuals.Note: In January, the UV index of 2 transforms into the following advice:
The majority are not significantly affected by prolonged sun exposure. Infants, children, and those with fair skin must always have protection. For skin protection, it's recommended to minimize Sun exposure during its peak hours around midday. Enhance your sun protection with tightly woven, yet airy clothing. Pay attention! The reflection of snow can enhance the Sun's UV radiation almost double.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
What month is the coldest?
How cold is January?
What is the average humidity in January?
How much does it rain in January?
How much does it snow in January?
What is the ocean temperature in January in Port Reading?
How many hours of daylight does Port Reading have in January?
When is the sunrise / sunset in January?
How many hours of sunshine does Port Reading have in January?
What are the months with the lowest UV index?
What is the UV index reading in January?
Average temperature in January
Port Reading, NJ
- Average high temperature in January: 36.5°F
The warmest month (with the highest average high temperature) is July (83.1°F).
The month with the lowest average high temperature is January (36.5°F).
- Average low temperature in January: 25.7°F
The month with the highest average low temperature is July (68.9°F).
The coldest month (with the lowest average low temperature) is January (25.7°F).
Average pressure in January
Port Reading, 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
Port Reading, NJ
- Average wind speed in January: 9.6mph
The windiest months (with the highest average wind speed) are January and March (9.6mph).
The calmest month (with the lowest average wind speed) is July (6.3mph).
Average humidity in January
Port Reading, NJ
- Average humidity in January: 74%
The month with the highest relative humidity is February (77%).
The month with the lowest relative humidity is August (72%).
Average rainfall in January
Port Reading, NJ
- Average rainfall in January: 0.51"
The wettest month (with the highest rainfall) is July (1.22").
The driest month (with the least rainfall) is September (0.39").
Average rainfall days in January
Port Reading, NJ
- Average rainfall days in January: 4.9 days
The month with the highest number of rainy days is July (12.7 days).
The month with the least rainy days is January (4.9 days).
Average snowfall in January
Port Reading, NJ
- Average snowfall in January: 0.35"
The month with the highest snowfall is March (0.83").
The months with the least snowfall are May, June, July, August, September and October (0").
Average snowfall days in January
Port Reading, NJ
- 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 sea temperature in January
Port Reading, NJ
- Average sea temperature in January: 41.7°F
The best month for swimming (with the highest average sea temperature) is August (74.1°F).
The coldest month (with the lowest average sea temperature) is February (39.7°F).
Average daylight in January /
Average sunshine in January
Port Reading, 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 42min).
Average sunshine days in January
Port Reading, NJ
- Average sunshine days in January: 22.6 days
The month with the most sunshine days is January (22.6 days).
The month with the least sunshine days is July (14.8 days).
Average UV index in January
Port Reading, 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
Port Reading, 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
Port Reading, 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).
Port Reading, New Jersey, USA
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