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
With average high and low temperatures of 45.1°F (7.3°C) and 30.7°F (-0.7°C) respectively, January is Black Jack's coldest month.Humidity
In January, the average relative humidity is 77%.Rainfall
In Black Jack, during January, the rain falls for 13.3 days and regularly aggregates up to 3.46" (88mm) of precipitation. In Black Jack, during the entire year, the rain falls for 183 days and collects up to 43.19" (1097mm) of precipitation.Snowfall
Months with snowfall are January through April, November and December. In Black Jack, in January, during 5.2 snowfall days, 1.3" (33mm) of snow is typically accumulated. Throughout the year, there are 17.2 snowfall days, and 4.53" (115mm) of snow is accumulated.Daylight
The average length of the day in January is 10h and 5min.On the first day of January in Black Jack, Tennessee, sunrise is at 6:53 am and sunset at 4:42 pm. On the last day of the month, sunrise is at 6:44 am and sunset at 5:10 pm CST.
Sunshine
In Black Jack, the average sunshine in January is 4.6h.UV index
January and December, with an average maximum UV index of 2, are months with the lowest UV index. A UV Index of 2, and less, symbolizes a low health risk from exposure to the Sun's UV rays for the ordinary person.Note: The maximum UV index, 2 during January, leads to the following recommendations:
While most people can stay under the sun for an hour without burning, children must always be guarded against sun exposure. Sun's radiation is most powerful around mid-day, so it's best to limit outdoor activities during this time. Shield yourself from the harmful effects of UV radiation with sun-protective attire, a hat, and quality sunglasses. Observe! Snow reflection can nearly intensify the Sun's UV radiation twofold.
Frequently asked questions
What is the coldest month in Black Jack?
What are the temperatures in Black Jack in January?
What is the average humidity in January in Black Jack?
How many days does it rain in January in Black Jack?
How much does it snow in Black Jack in January?
How many hours of daylight does Black Jack have in January?
What time are sunrise and sunset in January in Black Jack?
How many hours of sunshine does Black Jack have in January?
What is the month with the lowest UV index in Black Jack?
What is the UV index reading in January in Black Jack?
Average temperature in January
Black Jack, TN
- Average high temperature in January: 45.1°F
The warmest month (with the highest average high temperature) is July (86.4°F).
The month with the lowest average high temperature is January (45.1°F).
- Average low temperature in January: 30.7°F
The month with the highest average low temperature is July (67.3°F).
The coldest month (with the lowest average low temperature) is January (30.7°F).
Average pressure in January
Black Jack, TN
- Average pressure in January: 30.17"Hg
The month with the highest atmospheric pressure is January (30.17"Hg).
The month with the lowest atmospheric pressure is June (29.98"Hg).
Average wind speed in January
Black Jack, TN
- Average wind speed in January: 7.6mph
The windiest month (with the highest average wind speed) is February (8.1mph).
The calmest month (with the lowest average wind speed) is July (4.6mph).
Average humidity in January
Black Jack, TN
- Average humidity in January: 77%
The months with the highest relative humidity are March and December (80%).
The months with the lowest relative humidity are October and November (75%).
Average rainfall in January
Black Jack, TN
- Average rainfall in January: 3.46"
The wettest month (with the highest rainfall) is July (4.72").
The driest month (with the least rainfall) is September (2.28").
Average rainfall days in January
Black Jack, TN
- Average rainfall days in January: 13.3 days
The month with the highest number of rainy days is July (21 days).
The month with the least rainy days is November (10.3 days).
Average snowfall in January
Black Jack, TN
- Average snowfall in January: 1.3"
The month with the highest snowfall is February (1.34").
The months with the least snowfall are May, June, July, August, September and October (0").
Average snowfall days in January
Black Jack, TN
- Average snowfall days in January: 5.2 days
The month with the highest number of snowfall days is January (5.2 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
Black Jack, 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: 4h and 4min
The month with the most sunshine is June (Average sunshine: 10h and 18min).
The month with the least sunshine is February (Average sunshine: 4h and 24min).
Average sunshine days in January
Black Jack, TN
- Average sunshine days in January: 13.9 days
The month with the most sunshine days is October (17.8 days).
The month with the least sunshine days is July (8.1 days).
Average UV index in January
Black Jack, 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 and December (UV index 2).
Average cloud cover in January
Black Jack, TN
- Average cloud cover in January: 52
The month with the most cloud cover is February (Cloud cover 55).
The month with the least cloud cover is June (Cloud cover 31).
Average visibility in January
Black Jack, TN
- Average visibility in January: 5mi
The months with the highest visibility are February, March, April, June, September, October and November (6mi).
The months with the lowest visibility are January, May, July, August and December (5mi).
Black Jack, Tennessee, USA
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