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 stands out as Hopatcong's coldest month, with temperatures ranging between an average high of 33.4°F (0.8°C) and a low of 20.7°F (-6.3°C).Humidity
The average relative humidity in January in Hopatcong is 78%.Rainfall
In Hopatcong, in January, during 7.5 rainfall days, 2.05" (52mm) of precipitation is typically accumulated. In Hopatcong, New Jersey, during the entire year, the rain falls for 162.3 days and collects up to 31.54" (801mm) of precipitation.Snowfall
January through May, October through December are months with snowfall in Hopatcong. In January, it is snowing for 9.8 days. Throughout January, 4.41" (112mm) of snow is accumulated. In Hopatcong, during the entire year, snow falls for 36.2 days and aggregates up to 19.61" (498mm) of snow.Daylight
In January, the average length of the day in Hopatcong, New Jersey, is 9h and 38min.On the first day of January in Hopatcong, sunrise is at 7:23 am and sunset at 4:40 pm. On the last day of the month, sunrise is at 7:10 am and sunset at 5:13 pm EST.
Sunshine
In January, the average sunshine in Hopatcong is 4.8h.UV index
The average daily maximum UV index in January in Hopatcong is 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: An average maximum UV index of 2 in January leads to these recommendations:
Most individuals face no significant issues with extended sun exposure, but it is always essential to protect children, babies, and those with sensitive skin. Solar radiation peaks around mid-day, so it's wise to limit exposure to the Sun at this time. Sunglasses providing both UVA and UVB protection are non-negotiable on sunlit days. Be informed! The Sun's UV radiation can be nearly doubled due to the reflection from snow.
Frequently asked questions
What time of the year is the coldest in Hopatcong?
How cold is it in Hopatcong in January?
What is the average humidity in January in Hopatcong?
How much does it rain in Hopatcong in January?
How many days does it snow in January in Hopatcong?
What is the average length of the day in January in Hopatcong?
When is the sunrise / sunset in January in Hopatcong?
How long on average sun shines in January in Hopatcong?
What is the UV index intensity in January in Hopatcong?
Average temperature in January
Hopatcong, NJ
- Average high temperature in January: 33.4°F
The warmest month (with the highest average high temperature) is July (82.9°F).
The month with the lowest average high temperature is January (33.4°F).
- Average low temperature in January: 20.7°F
The month with the highest average low temperature is July (63.1°F).
The coldest month (with the lowest average low temperature) is January (20.7°F).
Average pressure in January
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
Hopatcong, NJ
- Average wind speed in January: 7.9mph
The windiest month (with the highest average wind speed) is March (8.1mph).
The calmest months (with the lowest average wind speed) are July and August (5mph).
Average humidity in January
Hopatcong, NJ
- Average humidity in January: 78%
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
Hopatcong, NJ
- Average rainfall in January: 2.05"
The wettest month (with the highest rainfall) is July (3.35").
The driest month (with the least rainfall) is September (1.65").
Average rainfall days in January
Hopatcong, NJ
- Average rainfall days in January: 7.5 days
The month with the highest number of rainy days is July (17.8 days).
The month with the least rainy days is January (7.5 days).
Average snowfall in January
Hopatcong, NJ
- Average snowfall in January: 4.41"
The month with the highest snowfall is February (4.61").
The months with the least snowfall are June, July, August and September (0").
Average snowfall days in January
Hopatcong, NJ
- Average snowfall days in January: 9.8 days
The month with the highest number of snowfall days is January (9.8 days).
The months with the least snowfall days are June, July, August and September (0 days).
Average daylight in January /
Average sunshine in January
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 5min
The month with the most sunshine is July (Average sunshine: 10h and 12min).
The month with the least sunshine is February (Average sunshine: 4h and 24min).
Average sunshine days in January
Hopatcong, 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 June (10.9 days).
Average UV index in January
Hopatcong, NJ
- Average UV index in January: 2
The months with the highest UV index are June and July (UV index 6).
The month with the lowest UV index is December (UV index 1).
Average cloud cover in January
Hopatcong, NJ
- Average cloud cover in January: 48
The month with the most cloud cover is February (Cloud cover 51).
The month with the least cloud cover is August (Cloud cover 35).
Average visibility in January
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).
Hopatcong, New Jersey, USA
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