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, with its high-temperature average of 38.8°F (3.8°C) and a low-temperature average of 24.4°F (-4.2°C), is the coldest month.Humidity
In January, the average relative humidity in Jefferson is 78%.Rainfall
In January, the rain falls for 7.8 days. Throughout January, 1.81" (46mm) of precipitation is accumulated. In Jefferson, during the entire year, the rain falls for 118.5 days and collects up to 21.5" (546mm) of precipitation.Snowfall
Months with snowfall in Jefferson are January through May, October through December. In Jefferson, in January, during 4.5 snowfall days, 2.52" (64mm) of snow is typically accumulated. In Jefferson, North Carolina, during the entire year, snow falls for 17.9 days and aggregates up to 14.37" (365mm) of snow.Daylight
The average length of the day in January is 10h and 1min.On the first day of the month, sunrise is at 7:37 am and sunset at 5:21 pm. On the last day of January, in Jefferson, sunrise is at 7:28 am and sunset at 5:50 pm EST.
Sunshine
The months with the least sunshine in Jefferson are January and December, with an average of 5.2h of sunshine.UV index
The months with the lowest UV index in Jefferson are January, February, 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 unsafe exposure to UV radiation for ordinary individuals.Note: A typical high UV index of 2 in January suggests 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. The mid-day Sun emits the most powerful UV radiation, so seek shade and minimize exposure. Your best bet for sun defense on the face, eyes, and neck is a hat with a wide brim. Beware! The strength of the UV rays is increased nearly double-fold by the reflection of the snow.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
What is the coldest month in Jefferson?
Is January cold in Jefferson?
What is the average humidity in January in Jefferson?
How much does it rain in Jefferson in January?
How many days does it snow in January in Jefferson?
How many hours of daylight does Jefferson have in January?
When are sunrise and sunset in January in Jefferson?
What are the months with the least sunshine in Jefferson?
How long on average sun shines in January in Jefferson?
What are the months with the lowest UV index in Jefferson?
What is the UV index intensity in January in Jefferson?
Average temperature in January
Jefferson, NC
- Average high temperature in January: 38.8°F
The warmest month (with the highest average high temperature) is July (80.4°F).
The month with the lowest average high temperature is January (38.8°F).
- Average low temperature in January: 24.4°F
The month with the highest average low temperature is July (59.9°F).
The coldest month (with the lowest average low temperature) is January (24.4°F).
Average pressure in January
Jefferson, NC
- Average pressure in January: 30.15"Hg
The month with the highest atmospheric pressure is November (30.16"Hg).
The month with the lowest atmospheric pressure is June (29.99"Hg).
Average wind speed in January
Jefferson, NC
- Average wind speed in January: 8.1mph
The windiest month (with the highest average wind speed) is January (8.1mph).
The calmest month (with the lowest average wind speed) is August (4.2mph).
Average humidity in January
Jefferson, NC
- Average humidity in January: 78%
The months with the highest relative humidity are May and September (80%).
The month with the lowest relative humidity is November (76%).
Average rainfall in January
Jefferson, NC
- Average rainfall in January: 1.81"
The wettest month (with the highest rainfall) is February (2.28").
The driest month (with the least rainfall) is September (1.26").
Average rainfall days in January
Jefferson, NC
- Average rainfall days in January: 7.8 days
The month with the highest number of rainy days is July (15.5 days).
The month with the least rainy days is November (6.1 days).
Average snowfall in January
Jefferson, NC
- Average snowfall in January: 2.52"
The month with the highest snowfall is December (4.76").
The months with the least snowfall are June, July, August and September (0").
Average snowfall days in January
Jefferson, NC
- Average snowfall days in January: 4.5 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 and September (0 days).
Average daylight in January /
Average sunshine in January
Jefferson, NC
- Average daylight in January: 10h and 0min
The month with the longest days is June (Average daylight: 14h and 36min).
The month with the shortest days is December (Average daylight: 9h and 42min).
- Average sunshine in January: 5h and 1min
The month with the most sunshine is June (Average sunshine: 10h and 12min).
The months with the least sunshine are January and December (Average sunshine: 5h and 12min).
Average sunshine days in January
Jefferson, NC
- Average sunshine days in January: 20.2 days
The month with the most sunshine days is November (23.4 days).
The month with the least sunshine days is July (14.2 days).
Average UV index in January
Jefferson, NC
- Average UV index in January: 2
The months with the highest UV index are May, June, July and August (UV index 5).
The months with the lowest UV index are January, February, November and December (UV index 2).
Average cloud cover in January
Jefferson, NC
- Average cloud cover in January: 47
The month with the most cloud cover is February (Cloud cover 51).
The months with the least cloud cover are June and July (Cloud cover 36).
Average visibility in January
Jefferson, NC
- Average visibility in January: 5mi
The month with the highest visibility is November (6mi).
The month with the lowest visibility is September (4mi).
Jefferson, North Carolina, USA
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