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, noted for its average high-temperature of 41.9°F (5.5°C) and an average low-temperature of 27.1°F (-2.7°C), is considered the coldest month.Humidity
The average relative humidity in January is 79%.Rainfall
In January, in Jeffers, the rain falls for 10.8 days. Throughout January, 3.31" (84mm) of precipitation is accumulated. In Jeffers, during the entire year, the rain falls for 174 days and collects up to 39.69" (1008mm) of precipitation.Snowfall
January through April, October through December are months with snowfall. In January, it is snowing for 8.4 days. Throughout January, 2.87" (73mm) of snow is accumulated. In Jeffers, during the entire year, snow falls for 31.5 days and aggregates up to 13.11" (333mm) of snow.Daylight
In Jeffers, the average length of the day in January is 10h and 1min.On the first day of the month, sunrise is at 7:49 am and sunset at 5:32 pm. On the last day of January, sunrise is at 7:39 am and sunset at 6:02 pm EST.
Sunshine
The month with the least sunshine is January, with an average of 4.2h of sunshine.UV index
January, February and December, with an average maximum UV index of 2, are months with the lowest UV index. A UV Index value of 2, and less, symbolizes a low threat to health from unprotected exposure to Sun's UV rays for the average person.Note: A daily high UV index of 2 in January leads to these guidelines:
Despite the majority tolerating prolonged sun exposure, those with sensitive skin, infants, and children demand continual protection. Midday is when the Sun's radiation is strongest; avoid prolonged exposure during this time. Select sunglasses that boast both UVA and UVB protection to limit the adverse effects of the sun on the eyes. 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?
How cold does it get in 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 is the sunrise / sunset in January?
What is the month with the least sunshine?
How long on average sun shines in January?
What are the months with the lowest UV index in Jeffers?
What is the UV index reading in January?
Average temperature in January
Jeffers, TN
- Average high temperature in January: 41.9°F
The warmest month (with the highest average high temperature) is July (85.3°F).
The month with the lowest average high temperature is January (41.9°F).
- Average low temperature in January: 27.1°F
The month with the highest average low temperature is July (63.5°F).
The coldest month (with the lowest average low temperature) is January (27.1°F).
Average pressure in January
Jeffers, TN
- Average pressure in January: 30.16"Hg
The months with the highest atmospheric pressure are January and November (30.16"Hg).
The month with the lowest atmospheric pressure is June (29.97"Hg).
Average wind speed in January
Jeffers, TN
- Average wind speed in January: 6.5mph
The windiest month (with the highest average wind speed) is February (6.6mph).
The calmest month (with the lowest average wind speed) is August (3.9mph).
Average humidity in January
Jeffers, TN
- Average humidity in January: 79%
The months with the highest relative humidity are February and December (81%).
The month with the lowest relative humidity is June (77%).
Average rainfall in January
Jeffers, TN
- Average rainfall in January: 3.31"
The wettest month (with the highest rainfall) is February (4.53").
The driest months (with the least rainfall) are September and November (2.56").
Average rainfall days in January
Jeffers, TN
- Average rainfall days in January: 10.8 days
The months with the highest number of rainy days are May and July (18.8 days).
The month with the least rainy days is November (9.9 days).
Average snowfall in January
Jeffers, TN
- Average snowfall in January: 2.87"
The month with the highest snowfall is February (4.76").
The months with the least snowfall are May, June, July, August and September (0").
Average snowfall days in January
Jeffers, TN
- Average snowfall days in January: 8.4 days
The months with the highest number of snowfall days are January and February (8.4 days).
The months with the least snowfall days are June, July, August and September (0 days).
Average daylight in January /
Average sunshine in January
Jeffers, TN
- 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: 4h and 1min
The month with the most sunshine is June (Average sunshine: 9h and 54min).
The month with the least sunshine is January (Average sunshine: 4h and 12min).
Average sunshine days in January
Jeffers, TN
- Average sunshine days in January: 12.9 days
The month with the most sunshine days is November (16.9 days).
The month with the least sunshine days is July (9.8 days).
Average UV index in January
Jeffers, TN
- 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 and December (UV index 2).
Average cloud cover in January
Jeffers, TN
- Average cloud cover in January: 58
The month with the most cloud cover is February (Cloud cover 59).
The month with the least cloud cover is June (Cloud cover 35).
Average visibility in January
Jeffers, TN
- Average visibility in January: 5mi
The months with the highest visibility are January, February, March, April, May, June, July, August, September, October, November and December (5mi).
The months with the lowest visibility are January, February, March, April, May, June, July, August, September, October, November and December (5mi).
Jeffers, Tennessee, USA
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