January weather forecastDover Beaches North, NJ
January
Weather in January
January, the same as December, is another cold winter month in Dover Beaches North, New Jersey, with an average temperature varying between 30.2°F (-1°C) and 39°F (3.9°C).Temperature
The coldest month is January, with an average high-temperature of 39°F (3.9°C) and an average low-temperature of 30.2°F (-1°C).Humidity
The months with the lowest humidity are January and November, with an average relative humidity of 74%.Rainfall
January is the month with the least rainfall in Dover Beaches North. Rain falls for 9 days and accumulates 2.01" (51mm) of precipitation.Snowfall
Months with snowfall are January through April, November and December. January is the month with the most snowfall. Snow falls for 4.4 days and accumulates 1.34" (34mm) of snow.Ocean temperature
In Dover Beaches North, New Jersey, the average seawater temperature in January is 43.3°F (6.3°C).Note: You can swim in 43.3°F (6.3°C) below 50°F (10°C) with proper thermal wear; failing that, the cold shock and respiratory challenges are nearly certain. A short span at 55.4°F (13°C) without it is tough.
Daylight
The average length of the day in January in Dover Beaches North is 9h and 43min.On the first day of the month, sunrise is at 7:17 am and sunset at 4:41 pm. On the last day of January, in Dover Beaches North, sunrise is at 7:05 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 are January through March and December, with an average maximum UV index of 2. A UV Index of 2, and less, symbolizes a minimal health hazard from unsafe exposure to UV radiation for the average person.Note: A maximum daily UV index of 2 during January morphs into the following directions:
Babies, children, and individuals with sensitive skin should always have protection against extended sun exposure. The solar radiation around mid-day is intense; avoid the Sun and stay safe. For holistic sun protection encompassing the eyes, ears, face, and neck, a wide-brim hat is key. Take to heart! Snow reflection can almost magnify the Sun's UV radiation twofold.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature in January
Dover Beaches North, NJ
- Average high temperature in January: 39°F
The warmest month (with the highest average high temperature) is July (79.2°F).
The month with the lowest average high temperature is January (39°F).
- Average low temperature in January: 30.2°F
The month with the highest average low temperature is August (71.6°F).
The coldest month (with the lowest average low temperature) is January (30.2°F).
Average pressure in January
Dover Beaches North, 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
Dover Beaches North, NJ
- Average wind speed in January: 13.5mph
The windiest month (with the highest average wind speed) is January (13.5mph).
The calmest month (with the lowest average wind speed) is July (8.8mph).
Average humidity in January
Dover Beaches North, NJ
- Average humidity in January: 74%
The months with the highest relative humidity are May and June (81%).
The months with the lowest relative humidity are January and November (74%).
Average rainfall in January
Dover Beaches North, NJ
- Average rainfall in January: 2.01"
The wettest month (with the highest rainfall) is December (3.7").
The driest month (with the least rainfall) is January (2.01").
Average rainfall days in January
Dover Beaches North, NJ
- Average rainfall days in January: 9 days
The month with the highest number of rainy days is July (16.3 days).
The month with the least rainy days is January (9 days).
Average snowfall in January
Dover Beaches North, NJ
- Average snowfall in January: 1.34"
The month with the highest snowfall is January (1.34").
The months with the least snowfall are May, June, July, August, September and October (0").
Average snowfall days in January
Dover Beaches North, NJ
- Average snowfall days in January: 4.4 days
The month with the highest number of snowfall days is January (4.4 days).
The months with the least snowfall days are May, June, July, August, September and October (0 days).
Average sea temperature in January
Dover Beaches North, NJ
- Average sea temperature in January: 43.3°F
The best month for swimming (with the highest average sea temperature) is August (75.8°F).
The coldest month (with the lowest average sea temperature) is February (40.8°F).
Average daylight in January /
Average sunshine in January
Dover Beaches North, NJ
- Average daylight in January: 9h and 42min
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 24min).
- Average sunshine in January: 5h and 12min
The month with the most sunshine is July (Average sunshine: 10h and 48min).
The month with the least sunshine is February (Average sunshine: 4h and 54min).
Average sunshine days in January
Dover Beaches North, NJ
- Average sunshine days in January: 17.8 days
The month with the most sunshine days is November (18.2 days).
The month with the least sunshine days is July (13.1 days).
Average UV index in January
Dover Beaches North, 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 and December (UV index 2).
Average cloud cover in January
Dover Beaches North, NJ
- Average cloud cover in January: 43
The month with the most cloud cover is February (Cloud cover 48).
The months with the least cloud cover are July and August (Cloud cover 28).
Average visibility in January
Dover Beaches North, 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).





