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
Deerfield experiences its lowest temperatures in January, with an average peak of 39°F (3.9°C) and a low of 27.7°F (-2.4°C).Humidity
In Deerfield, the average relative humidity in January is 74%.Rainfall
In Deerfield, in January, during 5.5 rainfall days, 0.39" (10mm) of precipitation is typically accumulated. Throughout the year, there are 105.4 rainfall days, and 8.03" (204mm) of precipitation is accumulated.Snowfall
January through March, November and December are months with snowfall. January is the month with the most snowfall in Deerfield. Snow falls for 3.4 days and accumulates 0.43" (11mm) of snow.Daylight
In January, the average length of the day in Deerfield is 9h and 46min.On the first day of January in Deerfield, New Jersey, sunrise is at 7:20 am and sunset at 4:47 pm. On the last day of the month, sunrise is at 7:08 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 in Deerfield are January, February and December, with an average maximum UV index of 2. A UV Index value of 2, and less, symbolizes a low threat to health from unsafe exposure to UV radiation for ordinary individuals.Note: The daily high UV index of 2 during January translates into the following recommendations:
Prolonged sun exposure generally does not trouble most people. However, it is vital to ensure protection for babies, children, and individuals with sensitive skin. It's recommended to limit sun exposure when its radiation is at its peak during midday. 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 are the coldest months in Deerfield?
How cold is January in Deerfield?
What is the average humidity in January in Deerfield?
How much does it rain in Deerfield in January?
What is the snowiest month in Deerfield?
How many days does it snow in January in Deerfield?
How many hours of daylight does Deerfield have in January?
What time are sunrise and sunset in January in Deerfield?
How long on average sun shines in January in Deerfield?
When is the lowest UV index in Deerfield?
How high is the UV index in January in Deerfield?
Average temperature in January
Deerfield, NJ
- Average high temperature in January: 39°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 (39°F).
- Average low temperature in January: 27.7°F
The month with the highest average low temperature is July (69.3°F).
The coldest month (with the lowest average low temperature) is January (27.7°F).
Average pressure in January
Deerfield, 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
Deerfield, NJ
- Average wind speed in January: 9.1mph
The windiest month (with the highest average wind speed) is April (9.4mph).
The calmest month (with the lowest average wind speed) is August (6.1mph).
Average humidity in January
Deerfield, NJ
- Average humidity in January: 74%
The months with the highest relative humidity are May and June (79%).
The month with the lowest relative humidity is April (72%).
Average rainfall in January
Deerfield, NJ
- Average rainfall in January: 0.39"
The wettest month (with the highest rainfall) is August (0.94").
The driest month (with the least rainfall) is September (0.35").
Average rainfall days in January
Deerfield, NJ
- Average rainfall days in January: 5.5 days
The month with the highest number of rainy days is July (12.9 days).
The month with the least rainy days is November (5.1 days).
Average snowfall in January
Deerfield, NJ
- Average snowfall in January: 0.43"
The month with the highest snowfall is January (0.43").
The months with the least snowfall are April, May, June, July, August, September and October (0").
Average snowfall days in January
Deerfield, NJ
- Average snowfall days in January: 3.4 days
The month with the highest number of snowfall days is January (3.4 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
Deerfield, NJ
- Average daylight in January: 9h and 5min
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 1min
The month with the most sunshine is July (Average sunshine: 10h and 48min).
The month with the least sunshine is February (Average sunshine: 5h and 0min).
Average sunshine days in January
Deerfield, NJ
- Average sunshine days in January: 21.9 days
The month with the most sunshine days is November (23.1 days).
The month with the least sunshine days is July (14.1 days).
Average UV index in January
Deerfield, 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 and December (UV index 2).
Average cloud cover in January
Deerfield, NJ
- Average cloud cover in January: 43
The months with the most cloud cover are February and March (Cloud cover 46).
The months with the least cloud cover are July and August (Cloud cover 29).
Average visibility in January
Deerfield, 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).
Deerfield, New Jersey, USA
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