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 month of January, characterized by an average high of 33.3°F (0.7°C) and a low of 20.7°F (-6.3°C), is recognized as the coldest.Humidity
The average relative humidity in January in Lake Hopatcong is 79%.Rainfall
In Lake Hopatcong, New Jersey, in January, during 7.5 rainfall days, 2.44" (62mm) of precipitation is typically accumulated. Throughout the year, in Lake Hopatcong, there are 160.1 rainfall days, and 35.87" (911mm) of precipitation is accumulated.Snowfall
January through May, October through December are months with snowfall. In Lake Hopatcong, in January, snow falls for 10.2 days, with typically accumulated 5.31" (135mm) of snow. In Lake Hopatcong, during the entire year, snow falls for 40.2 days and aggregates up to 23.62" (600mm) of snow.Daylight
In January, the average length of the day is 9h and 38min.On the first day of the month, sunrise is at 7:23 am and sunset at 4:40 pm. On the last day of January, in Lake Hopatcong, sunrise is at 7:10 am and sunset at 5:13 pm EST.
Sunshine
The average sunshine in January in Lake Hopatcong is 4.6h.UV index
The average daily maximum UV index in January is 2. A UV Index value of 2, and less, symbolizes a minimal health vulnerability from exposure to the Sun's UV radiation for ordinary individuals.Note: In January, a regular UV index of 2 translates into these guidelines:
While extended sun exposure does not significantly affect most people, those with sensitive skin, children, and infants should always be protected. The Sun's harshest UV rays are around midday; it's wise to seek shade and limit time outdoors. Using UVA and UVB-protective sunglasses and sun-protective clothing is effective against UV radiation. Mind this! Nearly twice the UV radiation from the Sun can be reflected by the snow.
Frequently asked questions
What part of the year is the coldest in Lake Hopatcong?
How cold is January in Lake Hopatcong?
What is the average humidity in January in Lake Hopatcong?
How many days does it rain in January in Lake Hopatcong?
How much does it snow in Lake Hopatcong in January?
What is the average length of the day in January in Lake Hopatcong?
When is the sunrise / sunset in January in Lake Hopatcong?
How long on average sun shines in January in Lake Hopatcong?
What is the UV index intensity in January in Lake Hopatcong?
Average temperature in January
Lake Hopatcong, NJ
- Average high temperature in January: 33.3°F
The warmest month (with the highest average high temperature) is July (82.4°F).
The month with the lowest average high temperature is January (33.3°F).
- Average low temperature in January: 20.7°F
The month with the highest average low temperature is July (63°F).
The coldest month (with the lowest average low temperature) is January (20.7°F).
Average pressure in January
Lake Hopatcong, 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
Lake Hopatcong, NJ
- Average wind speed in January: 8mph
The windiest month (with the highest average wind speed) is March (8.1mph).
The calmest month (with the lowest average wind speed) is August (5mph).
Average humidity in January
Lake Hopatcong, NJ
- Average humidity in January: 79%
The months with the highest relative humidity are February, October and December (81%).
The month with the lowest relative humidity is April (76%).
Average rainfall in January
Lake Hopatcong, NJ
- Average rainfall in January: 2.44"
The wettest month (with the highest rainfall) is July (3.66").
The driest month (with the least rainfall) is September (2.05").
Average rainfall days in January
Lake Hopatcong, NJ
- Average rainfall days in January: 7.5 days
The months with the highest number of rainy days are May and July (17.4 days).
The month with the least rainy days is January (7.5 days).
Average snowfall in January
Lake Hopatcong, NJ
- Average snowfall in January: 5.31"
The month with the highest snowfall is February (5.71").
The months with the least snowfall are June, July, August and September (0").
Average snowfall days in January
Lake Hopatcong, NJ
- Average snowfall days in January: 10.2 days
The month with the highest number of snowfall days is February (10.8 days).
The months with the least snowfall days are June, July, August and September (0 days).
Average daylight in January /
Average sunshine in January
Lake Hopatcong, 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 4min
The month with the most sunshine is July (Average sunshine: 10h and 0min).
The month with the least sunshine is February (Average sunshine: 4h and 18min).
Average sunshine days in January
Lake Hopatcong, NJ
- Average sunshine days in January: 16.1 days
The month with the most sunshine days is November (16.4 days).
The month with the least sunshine days is June (10.6 days).
Average UV index in January
Lake Hopatcong, NJ
- Average UV index in January: 2
The month with the highest UV index is June (UV index 6).
The month with the lowest UV index is December (UV index 1).
Average cloud cover in January
Lake Hopatcong, NJ
- Average cloud cover in January: 49
The months with the most cloud cover are February, March and December (Cloud cover 52).
The months with the least cloud cover are July and August (Cloud cover 37).
Average visibility in January
Lake Hopatcong, NJ
- Average visibility in January: 5mi
The month with the highest visibility is April (6mi).
The months with the lowest visibility are January, February, March, May, June, July, August, September, October, November and December (5mi).
Lake Hopatcong, New Jersey, USA
Weather forecast for your location
2. Allow the app to use your location
