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 is the coldest month, exhibiting average temperatures of 42.3°F (5.7°C) at the peak and 27.7°F (-2.4°C) at the base.Humidity
In January, the average relative humidity in Duff is 79%.Rainfall
In Duff, during January, the rain falls for 11 days and regularly aggregates up to 2.6" (66mm) of precipitation. Throughout the year, in Duff, there are 167 rainfall days, and 33.62" (854mm) of precipitation is accumulated.Snowfall
Months with snowfall are January through April, November and December. In Duff, Tennessee, during January, snow falls for 5.5 days and regularly aggregates up to 1.5" (38mm) of snow. Throughout the year, there are 17.6 snowfall days, and 6.02" (153mm) of snow is accumulated.Daylight
In January, the average length of the day is 10h and 1min.On the first day of January, sunrise is at 7:47 am and sunset at 5:31 pm. On the last day of the month, sunrise is at 7:38 am and sunset at 6:00 pm EST.
Sunshine
With an average of 4.5h of sunshine, January has the least sunshine of the year.UV index
The months with the lowest UV index are January, February and December, with an average maximum UV index of 2. A UV Index estimate of 2, and below, represents a low health risk from exposure to the Sun's UV rays for the average person.Note: The UV index of 2 during January leads to these advisories:
Apart from children, who require continuous protection, most can endure sun exposure for up to an hour without experiencing burns. Direct exposure to the Sun's intense radiation around midday should be avoided for health reasons. Opt for tightly woven and loose clothing to enhance protection from the Sun. Notice! The UV radiation of the Sun can be intensified nearly twofold due to the reflective quality of snow.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
What are the coldest months in Duff?
How cold is January in Duff?
What is the average humidity in January in Duff?
How much does it rain in Duff in January?
How much does it snow in Duff in January?
How many hours of daylight does Duff have in January?
When are sunrise and sunset in January in Duff?
What is the month with the least sunshine in Duff?
How many hours of sunshine does Duff have in January?
When is the lowest UV index in Duff?
How high is the UV index in January in Duff?
Average temperature in January
Duff, TN
- Average high temperature in January: 42.3°F
The warmest month (with the highest average high temperature) is July (86°F).
The month with the lowest average high temperature is January (42.3°F).
- Average low temperature in January: 27.7°F
The month with the highest average low temperature is July (63.7°F).
The coldest month (with the lowest average low temperature) is January (27.7°F).
Average pressure in January
Duff, 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 (29.98"Hg).
Average wind speed in January
Duff, TN
- Average wind speed in January: 5.7mph
The windiest month (with the highest average wind speed) is April (6.2mph).
The calmest month (with the lowest average wind speed) is August (3.5mph).
Average humidity in January
Duff, 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 August (76%).
Average rainfall in January
Duff, TN
- Average rainfall in January: 2.6"
The wettest month (with the highest rainfall) is February (3.94").
The driest month (with the least rainfall) is September (1.89").
Average rainfall days in January
Duff, TN
- Average rainfall days in January: 11 days
The month with the highest number of rainy days is July (19.3 days).
The month with the least rainy days is November (9.4 days).
Average snowfall in January
Duff, TN
- Average snowfall in January: 1.5"
The month with the highest snowfall is February (2.01").
The months with the least snowfall are May, June, July, August, September and October (0").
Average snowfall days in January
Duff, TN
- Average snowfall days in January: 5.5 days
The month with the highest number of snowfall days is January (5.5 days).
The months with the least snowfall days are May, June, July, August and September (0 days).
Average daylight in January /
Average sunshine in January
Duff, 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 3min
The month with the most sunshine is June (Average sunshine: 10h and 18min).
The month with the least sunshine is January (Average sunshine: 4h and 30min).
Average sunshine days in January
Duff, TN
- Average sunshine days in January: 15.8 days
The month with the most sunshine days is October (18.8 days).
The month with the least sunshine days is July (10.1 days).
Average UV index in January
Duff, TN
- 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
Duff, TN
- Average cloud cover in January: 54
The month with the most cloud cover is February (Cloud cover 56).
The months with the least cloud cover are June and August (Cloud cover 32).
Average visibility in January
Duff, TN
- Average visibility in January: 5mi
The month with the highest visibility is November (6mi).
The months with the lowest visibility are January, February, March, April, May, June, July, August, September, October and December (5mi).
Duff, Tennessee, USA
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