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, noted for its average high-temperature of 42.3°F (5.7°C) and an average low-temperature of 27.7°F (-2.4°C), is considered the coldest month.Humidity
The average relative humidity in January is 79%.Rainfall
In Royal Blue, in January, it is raining for 11 days, with typically 2.6" (66mm) of accumulated precipitation. Throughout the year, there are 167 rainfall days, and 33.62" (854mm) of precipitation is accumulated.Snowfall
January through April, November and December are months with snowfall. In Royal Blue, Tennessee, in January, snow falls for 5.5 days, with typically accumulated 1.5" (38mm) of snow. In Royal Blue, during the entire year, snow falls for 17.6 days and aggregates up to 6.02" (153mm) of snow.Daylight
In Royal Blue, Tennessee, the average length of the day in January is 10h and 1min.On the first day of the month, sunrise is at 7:48 am and sunset at 5:32 pm. On the last day of January, in Royal Blue, sunrise is at 7:39 am and sunset at 6:01 pm EST.
Sunshine
January has the least sunshine of the year, with an average of 4.5h 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 of 2, and less, symbolizes a low threat to health from unprotected exposure to Sun's UV rays for the average person.Note: A maximum UV index of 2 in January translates into the following recommendations:
Most people can stay in the Sun for up to 1 hour without burning, apart from children that always must be protected from sun exposure. To prevent harmful UV exposure, minimize direct contact with the Sun around midday. Using UVA and UVB-protective sunglasses and sun-protective clothing is effective against UV radiation. Be alert to the fact! The reflection from snow can nearly double the UV radiation of the Sun.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
What time of the year is the coldest?
How cold is January?
What is the average humidity in January?
How many days does it rain in January?
How many days does it snow in January?
What is the average length of the day in January in Royal Blue?
When are sunrise and sunset in January?
What is the month with the least sunshine?
How many hours of sunshine does Royal Blue have in January?
When is the lowest UV index?
What is the UV index reading in January?
Average temperature in January
Royal Blue, 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
Royal Blue, 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
Royal Blue, 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
Royal Blue, 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
Royal Blue, 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
Royal Blue, 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
Royal Blue, 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
Royal Blue, 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
Royal Blue, 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
Royal Blue, 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
Royal Blue, 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
Royal Blue, 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
Royal Blue, 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).
Royal Blue, Tennessee, USA
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