January weather forecastMcIllwain, TN
January
Weather in January
January, the same as December, in McIllwain, Tennessee, is another chilly winter month, with an average temperature fluctuating between 30.7°F (-0.7°C) and 45°F (7.2°C).Temperature
McIllwain's coldest month, January, registers temperatures that range from a high of 45°F (7.2°C) to a low of 30.7°F (-0.7°C).Humidity
In January, the average relative humidity is 76%.Rainfall
In McIllwain, during January, the rain falls for 7.3 days and regularly aggregates up to 0.71" (18mm) of precipitation. In McIllwain, during the entire year, the rain falls for 115.4 days and collects up to 12.32" (313mm) of precipitation.Snowfall
January through March, November and December are months with snowfall. In January, it is snowing for 1.9 days. Throughout January, 0.12" (3mm) of snow is accumulated. In McIllwain, during the entire year, snow falls for 6.2 days and aggregates up to 0.94" (24mm) of snow.Daylight
In January, the average length of the day is 10h and 3min.On the first day of the month, sunrise is at 7:02 am and sunset at 4:49 pm. On the last day of January, sunrise is at 6:53 am and sunset at 5:17 pm CST.
Sunshine
In McIllwain, the average sunshine in January is 4.7h.UV index
The average daily maximum UV index in January is 3. A UV Index reading of 3 to 5 represents a medium vulnerability from unsafe exposure to UV radiation for the ordinary person.Note: A daily maximum UV index of 3 in January translates into the following instructions:
Stay alert. Light-skinned people could suffer burns in less than 30 minutes. Solar radiation peaks around mid-day, so it's wise to limit exposure to the Sun at this time. Shield yourself from the harmful effects of UV radiation with sun-protective attire, a hat, and quality sunglasses. Be mindful! The reflection from snow can increase the Sun's UV radiation nearly twice.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature in January
McIllwain, TN
- Average high temperature in January: 45°F
The warmest month (with the highest average high temperature) is July (89.6°F).
The month with the lowest average high temperature is January (45°F).
- Average low temperature in January: 30.7°F
The month with the highest average low temperature is July (69.1°F).
The coldest month (with the lowest average low temperature) is January (30.7°F).
Average pressure in January
McIllwain, 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 (29.96"Hg).
Average wind speed in January
McIllwain, TN
- Average wind speed in January: 8.1mph
The windiest months (with the highest average wind speed) are January, February and April (8.1mph).
The calmest months (with the lowest average wind speed) are July and August (4.8mph).
Average humidity in January
McIllwain, TN
- Average humidity in January: 76%
The months with the highest relative humidity are March and December (79%).
The month with the lowest relative humidity is October (73%).
Average rainfall in January
McIllwain, TN
- Average rainfall in January: 0.71"
The wettest month (with the highest rainfall) is July (1.5").
The driest month (with the least rainfall) is September (0.35").
Average rainfall days in January
McIllwain, TN
- Average rainfall days in January: 7.3 days
The month with the highest number of rainy days is July (14 days).
The month with the least rainy days is November (6.1 days).
Average snowfall in January
McIllwain, TN
- Average snowfall in January: 0.12"
The month with the highest snowfall is March (0.28").
The months with the least snowfall are April, May, June, July, August, September and October (0").
Average snowfall days in January
McIllwain, TN
- Average snowfall days in January: 1.9 days
The month with the highest number of snowfall days is January (1.9 days).
The months with the least snowfall days are April, May, June, July, August and September (0 days).
Average daylight in January /
Average sunshine in January
McIllwain, TN
- Average daylight in January: 10h and 6min
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 48min).
- Average sunshine in January: 4h and 42min
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 30min).
Average sunshine days in January
McIllwain, TN
- Average sunshine days in January: 21.2 days
The month with the most sunshine days is November (22.3 days).
The month with the least sunshine days is July (15.7 days).
Average UV index in January
McIllwain, TN
- Average UV index in January: 3
The months with the highest UV index are May, June, July and August (UV index 6).
The month with the lowest UV index is December (UV index 2).
Average cloud cover in January
McIllwain, TN
- Average cloud cover in January: 50
The months with the most cloud cover are February and December (Cloud cover 52).
The month with the least cloud cover is June (Cloud cover 30).
Average visibility in January
McIllwain, TN
- Average visibility in January: 6mi
The months with the highest visibility are January, February, March, April, June, September, October, November and December (6mi).
The months with the lowest visibility are May, July and August (5mi).
