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 35.4°F (1.9°C) and a low of 23°F (-5°C), is recognized as the coldest.Humidity
In Reaville, the average relative humidity in January is 76%.Rainfall
In Reaville, in January, during 5.5 rainfall days, 0.71" (18mm) of precipitation is typically accumulated. Throughout the year, there are 112.6 rainfall days, and 11.77" (299mm) of precipitation is accumulated.Snowfall
Months with snowfall in Reaville are January through May, November and December. In Reaville, during January, snow falls for 4.6 days and regularly aggregates up to 0.67" (17mm) of snow. Throughout the year, there are 16.7 snowfall days, and 3.98" (101mm) of snow is accumulated.Daylight
The average length of the day in January is 9h and 40min.On the first day of the month, sunrise is at 7:22 am and sunset at 4:42 pm. On the last day of January, sunrise is at 7:09 am and sunset at 5:15 pm EST.
Sunshine
In Reaville, the average sunshine in January 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 estimate of 2, and below, represents a low threat to health from unprotected exposure to Sun's UV rays for average individuals.Note: The UV index of 2 during January leads to these advisories:
For the majority, extended sun exposure is not of great concern. Infants and people with sensitive skin must always be protected. Direct Sun exposure should be minimized especially during midday when radiation is most intense. To mitigate harm from sun exposure, pick sunglasses offering UVA and UVB defense. Be alert to the fact! The reflection from snow can nearly double the UV radiation of the Sun.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
What time of the year is the coldest?
How cold is it in January?
What is the average humidity in January?
How many days does it rain in January?
How many days does it snow in January?
How many hours of daylight does Reaville have in January?
When are sunrise and sunset in January?
How many hours of sunshine does Reaville have in January?
What are the months with the lowest UV index?
What is the UV index intensity in January in Reaville?
Average temperature in January
Reaville, NJ
- Average high temperature in January: 35.4°F
The warmest month (with the highest average high temperature) is July (84.2°F).
The month with the lowest average high temperature is January (35.4°F).
- Average low temperature in January: 23°F
The month with the highest average low temperature is July (65.1°F).
The coldest month (with the lowest average low temperature) is January (23°F).
Average pressure in January
Reaville, NJ
- Average pressure in January: 30.08"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
Reaville, NJ
- Average wind speed in January: 8.3mph
The windiest month (with the highest average wind speed) is March (8.6mph).
The calmest month (with the lowest average wind speed) is August (5.2mph).
Average humidity in January
Reaville, NJ
- Average humidity in January: 76%
The months with the highest relative humidity are February and October (80%).
The month with the lowest relative humidity is April (75%).
Average rainfall in January
Reaville, NJ
- Average rainfall in January: 0.71"
The wettest month (with the highest rainfall) is July (1.46").
The driest month (with the least rainfall) is September (0.63").
Average rainfall days in January
Reaville, NJ
- Average rainfall days in January: 5.5 days
The month with the highest number of rainy days is May (13.1 days).
The month with the least rainy days is January (5.5 days).
Average snowfall in January
Reaville, NJ
- Average snowfall in January: 0.67"
The month with the highest snowfall is March (1.1").
The months with the least snowfall are June, July, August, September and October (0").
Average snowfall days in January
Reaville, NJ
- Average snowfall days in January: 4.6 days
The month with the highest number of snowfall days is February (5.2 days).
The months with the least snowfall days are June, July, August, September and October (0 days).
Average daylight in January /
Average sunshine in January
Reaville, NJ
- Average daylight in January: 9h and 4min
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 18min).
- Average sunshine in January: 4h and 5min
The month with the most sunshine is July (Average sunshine: 10h and 24min).
The month with the least sunshine is February (Average sunshine: 4h and 30min).
Average sunshine days in January
Reaville, NJ
- Average sunshine days in January: 21.4 days
The month with the most sunshine days is November (22.2 days).
The month with the least sunshine days is June (15.6 days).
Average UV index in January
Reaville, 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, March, November and December (UV index 2).
Average cloud cover in January
Reaville, NJ
- Average cloud cover in January: 46
The months with the most cloud cover are February and December (Cloud cover 50).
The month with the least cloud cover is July (Cloud cover 34).
Average visibility in January
Reaville, NJ
- Average visibility in January: 6mi
The months with the highest visibility are January, February, March, April, June, July, August, November and December (6mi).
The months with the lowest visibility are May, September and October (5mi).
Reaville, New Jersey, USA
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