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 is Mountain Lakes's coldest month, registering average high temperatures of 34.5°F (1.4°C) and lows of 21.6°F (-5.8°C).Humidity
The average relative humidity in January in Mountain Lakes is 77%.Rainfall
In Mountain Lakes, during January, the rain falls for 8.2 days and regularly aggregates up to 2.28" (58mm) of precipitation. Throughout the year, in Mountain Lakes, New Jersey, there are 161.2 rainfall days, and 33.74" (857mm) of precipitation is accumulated.Snowfall
Months with snowfall in Mountain Lakes are January through May, October through December. In Mountain Lakes, New Jersey, during January, snow falls for 8.5 days and regularly aggregates up to 2.91" (74mm) of snow. In Mountain Lakes, New Jersey, during the entire year, snow falls for 30.9 days and aggregates up to 15.79" (401mm) of snow.Daylight
In Mountain Lakes, the average length of the day in January is 9h and 38min.On the first day of January, sunrise is at 7:22 am and sunset at 4:40 pm. On the last day of the month, sunrise is at 7:09 am and sunset at 5:13 pm EST.
Sunshine
In January, the average sunshine in Mountain Lakes is 4.8h.UV index
The months with the lowest UV index are January through March, November and December, with an average maximum UV index of 2. A UV Index reading of 2, and below, represents a minimal health vulnerability from exposure to the Sun's UV radiation for ordinary individuals.Note: The daily maximum UV index of 2 in January interprets into the following advice:
Most individuals face no major issues with lengthy exposure to the sun, but children, infants, and individuals with fair skin always require protection. Limiting sun exposure during midday hours helps in reducing the harmful effects of UV radiation. For excellent sun protection for the eyes, ears, face, and neck, consider a wide-brim hat. Heed this! Snow reflection can almost augment the UV radiation of the sun by double.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
What are the coldest months in Mountain Lakes?
How cold is it in Mountain Lakes in January?
What is the average humidity in January in Mountain Lakes?
How much does it rain in Mountain Lakes in January?
How much does it snow in Mountain Lakes in January?
How many hours of daylight does Mountain Lakes have in January?
When are sunrise and sunset in January in Mountain Lakes?
How many hours of sunshine does Mountain Lakes have in January?
What are the months with the lowest UV index in Mountain Lakes?
What is the UV index intensity in January in Mountain Lakes?
Average temperature in January
Mountain Lakes, NJ
- Average high temperature in January: 34.5°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 (34.5°F).
- Average low temperature in January: 21.6°F
The month with the highest average low temperature is July (64.8°F).
The coldest month (with the lowest average low temperature) is January (21.6°F).
Average pressure in January
Mountain Lakes, NJ
- Average pressure in January: 30.06"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
Mountain Lakes, NJ
- Average wind speed in January: 8.1mph
The windiest month (with the highest average wind speed) is March (8.3mph).
The calmest month (with the lowest average wind speed) is August (5.2mph).
Average humidity in January
Mountain Lakes, NJ
- Average humidity in January: 77%
The months with the highest relative humidity are February, October and December (80%).
The month with the lowest relative humidity is April (74%).
Average rainfall in January
Mountain Lakes, NJ
- Average rainfall in January: 2.28"
The wettest month (with the highest rainfall) is December (3.43").
The driest month (with the least rainfall) is September (1.77").
Average rainfall days in January
Mountain Lakes, NJ
- Average rainfall days in January: 8.2 days
The month with the highest number of rainy days is May (17.8 days).
The month with the least rainy days is January (8.2 days).
Average snowfall in January
Mountain Lakes, NJ
- Average snowfall in January: 2.91"
The month with the highest snowfall is March (4.69").
The months with the least snowfall are June, July, August and September (0").
Average snowfall days in January
Mountain Lakes, NJ
- Average snowfall days in January: 8.5 days
The month with the highest number of snowfall days is February (8.7 days).
The months with the least snowfall days are June, July, August and September (0 days).
Average daylight in January /
Average sunshine in January
Mountain Lakes, 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
Mountain Lakes, NJ
- Average sunshine days in January: 16.5 days
The month with the most sunshine days is November (17.4 days).
The month with the least sunshine days is April (11.2 days).
Average UV index in January
Mountain Lakes, 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
Mountain Lakes, NJ
- Average cloud cover in January: 47
The months with the most cloud cover are February, March and December (Cloud cover 50).
The months with the least cloud cover are July and August (Cloud cover 35).
Average visibility in January
Mountain Lakes, NJ
- Average visibility in January: 6mi
The months with the highest visibility are January, April, July, August, October, November and December (6mi).
The months with the lowest visibility are February, March, May, June and September (5mi).
Mountain Lakes, New Jersey, USA
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