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, marked by an average high-temperature of 44.8°F (7.1°C) and a low-temperature of 29.5°F (-1.4°C), is the coldest month.Humidity
The average relative humidity in January in Duncan is 76%.Rainfall
In January, in Duncan, the rain falls for 11.1 days. Throughout January, 1.3" (33mm) of precipitation is accumulated. Throughout the year, in Duncan, there are 148.2 rainfall days, and 18.23" (463mm) of precipitation is accumulated.Snowfall
January through March, October through December are months with snowfall in Duncan, Tennessee. In Duncan, Tennessee, in January, during 5.4 snowfall days, 0.87" (22mm) of snow is typically accumulated. Throughout the year, there are 18.9 snowfall days, and 3.58" (91mm) of snow is accumulated.Daylight
In Duncan, Tennessee, the average length of the day in January is 10h and 4min.On the first day of January, sunrise is at 7:45 am and sunset at 5:32 pm. On the last day of the month, sunrise is at 7:36 am and sunset at 6:01 pm EST.
Sunshine
January has the least sunshine of the year, with an average of 5.1h of sunshine.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: A maximum UV index of 2 in January translates into the following recommendations:
While most people can stay under the sun for an hour without burning, children must always be guarded against sun exposure. Avoiding the Sun's peak radiation during midday hours is essential for health and safety. Safeguard your eyes, ears, and face from sun rays with the aid of a wide-brim hat. Take heed! Reflection from the snow can almost amplify the Sun's UV radiation by double.
Frequently asked questions
What is the coldest time of year in Duncan?
What are the temperatures in Duncan in January?
What is the average humidity in January in Duncan?
How much does it rain in Duncan in January?
How many days does it snow in January in Duncan?
How many hours of daylight does Duncan have in January?
What time are sunrise and sunset in January in Duncan?
What is the month with the least sunshine in Duncan?
How long on average sun shines in January in Duncan?
What are the months with the lowest UV index in Duncan?
How high is the UV index in January in Duncan?
Average temperature in January
Duncan, TN
- Average high temperature in January: 44.8°F
The warmest month (with the highest average high temperature) is July (87.6°F).
The month with the lowest average high temperature is January (44.8°F).
- Average low temperature in January: 29.5°F
The month with the highest average low temperature is July (65.5°F).
The coldest month (with the lowest average low temperature) is January (29.5°F).
Average pressure in January
Duncan, 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
Duncan, TN
- Average wind speed in January: 5.5mph
The windiest month (with the highest average wind speed) is April (5.9mph).
The calmest month (with the lowest average wind speed) is August (3.6mph).
Average humidity in January
Duncan, TN
- Average humidity in January: 76%
The month with the highest relative humidity is December (79%).
The month with the lowest relative humidity is August (72%).
Average rainfall in January
Duncan, TN
- Average rainfall in January: 1.3"
The wettest month (with the highest rainfall) is July (2.2").
The driest month (with the least rainfall) is September (0.94").
Average rainfall days in January
Duncan, TN
- Average rainfall days in January: 11.1 days
The month with the highest number of rainy days is July (16.3 days).
The month with the least rainy days is November (8.7 days).
Average snowfall in January
Duncan, TN
- Average snowfall in January: 0.87"
The month with the highest snowfall is February (0.98").
The months with the least snowfall are April, May, June, July, August and September (0").
Average snowfall days in January
Duncan, TN
- Average snowfall days in January: 5.4 days
The month with the highest number of snowfall days is January (5.4 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
Duncan, TN
- Average daylight in January: 10h and 1min
The month with the longest days is June (Average daylight: 14h and 30min).
The month with the shortest days is December (Average daylight: 9h and 48min).
- Average sunshine in January: 5h and 1min
The month with the most sunshine is June (Average sunshine: 10h and 48min).
The month with the least sunshine is January (Average sunshine: 5h and 6min).
Average sunshine days in January
Duncan, TN
- Average sunshine days in January: 16 days
The month with the most sunshine days is November (19.3 days).
The months with the least sunshine days are February and July (12.5 days).
Average UV index in January
Duncan, 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
Duncan, TN
- Average cloud cover in January: 47
The month with the most cloud cover is February (Cloud cover 52).
The month with the least cloud cover is June (Cloud cover 27).
Average visibility in January
Duncan, TN
- Average visibility in January: 5mi
The months with the highest visibility are April, May, June, July, August, September, October, November and December (6mi).
The months with the lowest visibility are January, February and March (5mi).
Duncan, Tennessee, USA
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