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
In Mercer, the month of January registers the lowest temperatures, averaging 45.7°F (7.6°C) at the peak and 32°F (0°C) at the lowest.Humidity
The average relative humidity in January in Mercer is 76%.Rainfall
In Mercer, in January, during 8.8 rainfall days, 1.02" (26mm) of precipitation is typically accumulated. Throughout the year, there are 125.3 rainfall days, and 15.47" (393mm) of precipitation is accumulated.Snowfall
January through March, November and December are months with snowfall. In Mercer, during January, snow falls for 1.8 days and regularly aggregates up to 0.12" (3mm) of snow. Throughout the year, in Mercer, there are 6.2 snowfall days, and 1.14" (29mm) of snow is accumulated.Daylight
In January, the average length of the day in Mercer is 10h and 5min.On the first day of the month, sunrise is at 7:05 am and sunset at 4:53 pm. On the last day of January, sunrise is at 6:56 am and sunset at 5:22 pm CST.
Sunshine
In January, the average sunshine is 5h.UV index
In Mercer, Tennessee, the average daily maximum UV index in January is 3. A UV Index value of 3 to 5 symbolizes a moderate health risk from exposure to the Sun's UV rays for ordinary individuals.Note: The maximum UV index of 3 during January leads to these instructions:
Take heed. Individuals of lighter complexion can be burned in less than half an hour. UV radiation from the Sun is most dangerous during midday; take precautions and seek shade. For holistic sun protection encompassing the eyes, ears, face, and neck, a wide-brim hat is key. Take heed! Reflection from the snow can almost amplify the Sun's UV radiation by double.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
What time of the year is the coldest in Mercer?
What are January temperatures in Mercer?
What is the average humidity in January in Mercer?
How many days does it rain in January in Mercer?
How much does it snow in Mercer in January?
What is the average length of the day in January in Mercer?
When are sunrise and sunset in January in Mercer?
How many hours of sunshine does Mercer have in January?
What is the UV index reading in January in Mercer?
Average temperature in January
Mercer, TN
- Average high temperature in January: 45.7°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 (45.7°F).
- Average low temperature in January: 32°F
The month with the highest average low temperature is July (70°F).
The coldest month (with the lowest average low temperature) is January (32°F).
Average pressure in January
Mercer, 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 (29.95"Hg).
Average wind speed in January
Mercer, TN
- Average wind speed in January: 8.9mph
The windiest month (with the highest average wind speed) is February (9.1mph).
The calmest month (with the lowest average wind speed) is July (5.2mph).
Average humidity in January
Mercer, TN
- Average humidity in January: 76%
The month with the highest relative humidity is March (80%).
The month with the lowest relative humidity is October (71%).
Average rainfall in January
Mercer, TN
- Average rainfall in January: 1.02"
The wettest month (with the highest rainfall) is July (1.85").
The driest month (with the least rainfall) is September (0.67").
Average rainfall days in January
Mercer, TN
- Average rainfall days in January: 8.8 days
The month with the highest number of rainy days is July (14.3 days).
The month with the least rainy days is November (7.1 days).
Average snowfall in January
Mercer, TN
- Average snowfall in January: 0.12"
The month with the highest snowfall is December (0.31").
The months with the least snowfall are April, May, June, July, August, September and October (0").
Average snowfall days in January
Mercer, TN
- Average snowfall days in January: 1.8 days
The month with the highest number of snowfall days is February (2.2 days).
The months with the least snowfall days are April, May, June, July, August, September and October (0 days).
Average daylight in January /
Average sunshine in January
Mercer, 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 0min
The month with the most sunshine is June (Average sunshine: 10h and 42min).
The month with the least sunshine is February (Average sunshine: 4h and 42min).
Average sunshine days in January
Mercer, TN
- Average sunshine days in January: 19.5 days
The month with the most sunshine days is October (20.8 days).
The month with the least sunshine days is July (13.8 days).
Average UV index in January
Mercer, TN
- Average UV index in January: 3
The months with the highest UV index are June and July (UV index 7).
The month with the lowest UV index is December (UV index 2).
Average cloud cover in January
Mercer, TN
- Average cloud cover in January: 46
The month with the most cloud cover is February (Cloud cover 49).
The month with the least cloud cover is June (Cloud cover 26).
Average visibility in January
Mercer, TN
- Average visibility in January: 6mi
The months with the highest visibility are January, February, March, April, May, June, July, August, September, October, November and December (6mi).
The months with the lowest visibility are January, February, March, April, May, June, July, August, September, October, November and December (6mi).
Mercer, Tennessee, USA
Weather forecast for your location
2. Allow the app to use your location