January weather forecastMount Royal, NJ
January
Weather in January
January, the same as December, is an icy winter month in Mount Royal, New Jersey, with an average temperature fluctuating between 37.9°F (3.3°C) and 26.1°F (-3.3°C).Temperature
January is the month when Mount Royal experiences its coldest temperatures, averaging a high of 37.9°F (3.3°C) and a low of 26.1°F (-3.3°C).Humidity
The average relative humidity in January is 74%.Rainfall
January is the month with the least rainfall. Rain falls for 6.8 days and accumulates 0.51" (13mm) of precipitation.Snowfall
Months with snowfall are January through April, November and December. In Mount Royal, in January, during 3.5 snowfall days, 0.43" (11mm) of snow is typically accumulated. In Mount Royal, during the entire year, snow falls for 10.9 days and aggregates up to 1.65" (42mm) of snow.Daylight
The average length of the day in January is 9h and 44min.On the first day of January, sunrise is at 7:22 am and sunset at 4:46 pm. On the last day of the month, sunrise is at 7:09 am and sunset at 5:18 pm EST.
Sunshine
The average sunshine in January is 5.2h.UV index
The months with the lowest UV index are January, February, November and December, with an average maximum UV index of 2. A UV Index estimate of 2, and below, represents a minimal health hazard from exposure to the Sun's UV rays for the average person.Note: The daily maximum UV index of 2 in January interprets into the following advice:
Though the majority can handle prolonged sun exposure, it is crucial to always shield babies, children, and those with fair skin. Considering the strength of solar radiation at midday, one should avoid direct Sun exposure. Sunglasses that ward off UVA and UVB rays play a pivotal role in reducing solar eye damage. Take warning! The intensity of the Sun's UV radiation can be nearly amplified twice due to snow reflection.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature in January
Mount Royal, NJ
- Average high temperature in January: 37.9°F
The warmest month (with the highest average high temperature) is July (85.6°F).
The month with the lowest average high temperature is January (37.9°F).
- Average low temperature in January: 26.1°F
The month with the highest average low temperature is July (69.1°F).
The coldest month (with the lowest average low temperature) is January (26.1°F).
Average pressure in January
Mount Royal, NJ
- Average pressure in January: 30.09"Hg
The month with the highest atmospheric pressure is November (30.12"Hg).
The month with the lowest atmospheric pressure is June (29.94"Hg).
Average wind speed in January
Mount Royal, NJ
- Average wind speed in January: 8.3mph
The windiest months (with the highest average wind speed) are March and April (8.6mph).
The calmest month (with the lowest average wind speed) is August (5.6mph).
Average humidity in January
Mount Royal, NJ
- Average humidity in January: 74%
The months with the highest relative humidity are October and December (77%).
The month with the lowest relative humidity is April (71%).
Average rainfall in January
Mount Royal, NJ
- Average rainfall in January: 0.51"
The wettest month (with the highest rainfall) is August (1.1").
The driest month (with the least rainfall) is January (0.51").
Average rainfall days in January
Mount Royal, NJ
- Average rainfall days in January: 6.8 days
The month with the highest number of rainy days is July (13.2 days).
The month with the least rainy days is November (6.3 days).
Average snowfall in January
Mount Royal, NJ
- Average snowfall in January: 0.43"
The month with the highest snowfall is February (0.59").
The months with the least snowfall are May, June, July, August, September and October (0").
Average snowfall days in January
Mount Royal, NJ
- Average snowfall days in January: 3.5 days
The month with the highest number of snowfall days is January (3.5 days).
The months with the least snowfall days are May, June, July, August, September and October (0 days).
Average daylight in January /
Average sunshine in January
Mount Royal, NJ
- Average daylight in January: 9h and 42min
The month with the longest days is June (Average daylight: 14h and 54min).
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
Mount Royal, NJ
- Average sunshine days in January: 21.8 days
The month with the most sunshine days is November (22.5 days).
The month with the least sunshine days is July (14.7 days).
Average UV index in January
Mount Royal, NJ
- Average UV index in January: 2
The months with the highest UV index are May, June, July and August (UV index 6).
The months with the lowest UV index are January, February, November and December (UV index 2).
Average cloud cover in January
Mount Royal, NJ
- Average cloud cover in January: 44
The months with the most cloud cover are February and March (Cloud cover 46).
The month with the least cloud cover is July (Cloud cover 29).
Average visibility in January
Mount Royal, 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).
