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 Jacobstown's coldest month, with an average high-temperature of 37.8°F (3.2°C) and a low-temperature of 25.2°F (-3.8°C).Humidity
The average relative humidity in January is 75%.Rainfall
In Jacobstown, in January, it is raining for 9.2 days, with typically 2.13" (54mm) of accumulated precipitation. Throughout the year, there are 156.9 rainfall days, and 32.99" (838mm) of precipitation is accumulated.Snowfall
January through May, October through December are months with snowfall. In Jacobstown, in January, snow falls for 5.9 days, with typically accumulated 2.24" (57mm) of snow. Throughout the year, there are 19.6 snowfall days, and 10.63" (270mm) of snow is accumulated.Daylight
In January, the average length of the day is 9h and 43min.On the first day of the month, sunrise is at 7:20 am and sunset at 4:43 pm. On the last day of January, sunrise is at 7:07 am and sunset at 5:15 pm EST.
Sunshine
In Jacobstown, the average sunshine in January is 4.9h.UV index
January, February, November and December, with an average maximum UV index of 2, are months with the lowest UV index. A UV Index estimate of 2, and below, represents a minimal health vulnerability from unprotected exposure to Sun's UV rays for average individuals.Note: The maximum daily UV index of 2 during January translates into the following directions:
Prolonged sun exposure should always be prevented in babies, children, and those with sensitive skin. The intensity of the Sun's UV radiation during midday suggests reducing time spent outdoors. Enhance your sun protection with tightly woven, yet airy clothing. Note this! The Sun's UV radiation can nearly be doubled by the reflection off snow.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
What is the coldest month?
Is it cold during January?
What is the average humidity in January?
How much does it rain in January?
How much does it snow in January?
What is the average length of the day in January?
When are sunrise and sunset in January in Jacobstown?
How many hours of sunshine does Jacobstown have in January?
When is the lowest UV index?
What is the UV index intensity in January in Jacobstown?
Average temperature in January
Jacobstown, NJ
- Average high temperature in January: 37.8°F
The warmest month (with the highest average high temperature) is July (84.4°F).
The month with the lowest average high temperature is January (37.8°F).
- Average low temperature in January: 25.2°F
The month with the highest average low temperature is July (67.6°F).
The coldest month (with the lowest average low temperature) is January (25.2°F).
Average pressure in January
Jacobstown, 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
Jacobstown, NJ
- Average wind speed in January: 8.5mph
The windiest month (with the highest average wind speed) is March (8.8mph).
The calmest month (with the lowest average wind speed) is August (5.7mph).
Average humidity in January
Jacobstown, NJ
- Average humidity in January: 75%
The month with the highest relative humidity is October (79%).
The month with the lowest relative humidity is April (73%).
Average rainfall in January
Jacobstown, NJ
- Average rainfall in January: 2.13"
The wettest month (with the highest rainfall) is December (3.7").
The driest month (with the least rainfall) is September (1.89").
Average rainfall days in January
Jacobstown, NJ
- Average rainfall days in January: 9.2 days
The months with the highest number of rainy days are May and July (17 days).
The month with the least rainy days is November (9 days).
Average snowfall in January
Jacobstown, NJ
- Average snowfall in January: 2.24"
The month with the highest snowfall is March (3.54").
The months with the least snowfall are June, July, August and September (0").
Average snowfall days in January
Jacobstown, NJ
- Average snowfall days in January: 5.9 days
The month with the highest number of snowfall days is January (5.9 days).
The months with the least snowfall days are June, July, August and September (0 days).
Average daylight in January /
Average sunshine in January
Jacobstown, 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 24min).
- Average sunshine in January: 4h and 5min
The month with the most sunshine is July (Average sunshine: 10h and 18min).
The month with the least sunshine is February (Average sunshine: 4h and 36min).
Average sunshine days in January
Jacobstown, NJ
- Average sunshine days in January: 17.8 days
The month with the most sunshine days is November (19.5 days).
The month with the least sunshine days is July (11.8 days).
Average UV index in January
Jacobstown, 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
Jacobstown, NJ
- Average cloud cover in January: 45
The month with the most cloud cover is February (Cloud cover 49).
The months with the least cloud cover are July and August (Cloud cover 33).
Average visibility in January
Jacobstown, 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).
Jacobstown, New Jersey, USA
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