January weather forecastMonmouth Heights at Manalapan, NJ
January
Weather in January
January, like December, in Monmouth Heights at Manalapan, New Jersey, is a wintry winter month, with an average temperature ranging between min 26.4°F (-3.1°C) and max 37°F (2.8°C).Temperature
January is the month when Monmouth Heights at Manalapan experiences its coldest temperatures, averaging a high of 37°F (2.8°C) and a low of 26.4°F (-3.1°C).Humidity
January, March, April, August and November, with an average relative humidity of 74%, are the least humid months.Rainfall
In Monmouth Heights at Manalapan, in January, during 9.8 rainfall days, 2.01" (51mm) of precipitation is typically accumulated. Throughout the year, there are 159.5 rainfall days, and 31.22" (793mm) of precipitation is accumulated.Snowfall
January through April, October through December are months with snowfall. In Monmouth Heights at Manalapan, in January, during 5.3 snowfall days, 1.61" (41mm) of snow is typically accumulated. Throughout the year, in Monmouth Heights at Manalapan, there are 19.1 snowfall days, and 7.64" (194mm) of snow is accumulated.Daylight
The average length of the day in January is 9h and 41min.On the first day of January in Monmouth Heights at Manalapan, sunrise is at 7:19 am and sunset at 4:41 pm. On the last day of the month, sunrise is at 7:07 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 in Monmouth Heights at Manalapan are January through March, November and December, with an average maximum UV index of 2. A UV Index of 2, and less, symbolizes a low threat to health from exposure to the Sun's UV rays for the average person.Note: The UV index of 2 during January translates into the following guidance:
While most people can stay under the sun for an hour without burning, children must always be guarded against sun exposure. To avoid the Sun's strongest rays, limit exposure around the mid-day period. A wide-brimmed hat is a shield, deflecting up to 50% of harmful UV radiation from eyes. Take precaution! The reflection from snow can almost double the UV radiation of the Sun.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature in January
Monmouth Heights at Manalapan, NJ
- Average high temperature in January: 37°F
The warmest month (with the highest average high temperature) is July (82.8°F).
The month with the lowest average high temperature is January (37°F).
- Average low temperature in January: 26.4°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 (26.4°F).
Average pressure in January
Monmouth Heights at Manalapan, 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
Monmouth Heights at Manalapan, NJ
- Average wind speed in January: 10.1mph
The windiest months (with the highest average wind speed) are January and March (10.1mph).
The calmest month (with the lowest average wind speed) is July (6.5mph).
Average humidity in January
Monmouth Heights at Manalapan, NJ
- Average humidity in January: 74%
The months with the highest relative humidity are May and June (78%).
The months with the lowest relative humidity are January, March, April, August and November (74%).
Average rainfall in January
Monmouth Heights at Manalapan, NJ
- Average rainfall in January: 2.01"
The wettest month (with the highest rainfall) is December (3.35").
The driest month (with the least rainfall) is September (1.69").
Average rainfall days in January
Monmouth Heights at Manalapan, NJ
- Average rainfall days in January: 9.8 days
The month with the highest number of rainy days is July (16.4 days).
The months with the least rainy days are January and November (9.8 days).
Average snowfall in January
Monmouth Heights at Manalapan, NJ
- Average snowfall in January: 1.61"
The month with the highest snowfall is March (2.4").
The months with the least snowfall are May, June, July, August and September (0").
Average snowfall days in January
Monmouth Heights at Manalapan, NJ
- Average snowfall days in January: 5.3 days
The month with the highest number of snowfall days is January (5.3 days).
The months with the least snowfall days are May, June, July, August and September (0 days).
Average daylight in January /
Average sunshine in January
Monmouth Heights at Manalapan, 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 42min).
The month with the least sunshine is February (Average sunshine: 4h and 54min).
Average sunshine days in January
Monmouth Heights at Manalapan, NJ
- Average sunshine days in January: 17.4 days
The month with the most sunshine days is November (18.3 days).
The month with the least sunshine days is June (12.3 days).
Average UV index in January
Monmouth Heights at Manalapan, 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
Monmouth Heights at Manalapan, NJ
- Average cloud cover in January: 43
The months with the most cloud cover are February and March (Cloud cover 47).
The months with the least cloud cover are July and August (Cloud cover 29).
Average visibility in January
Monmouth Heights at Manalapan, 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).
