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
Johnson City's January weather, marked by an average high temperature of 41.5°F (5.3°C) and an average low temperature of 26.6°F (-3°C), is the coldest in the year.Humidity
In January, the average relative humidity in Johnson City is 78%.Rainfall
In January, the rain falls for 13.8 days. Throughout January, 2.6" (66mm) of precipitation is accumulated. In Johnson City, during the entire year, the rain falls for 187.8 days and collects up to 32.76" (832mm) of precipitation.Snowfall
January through April, October through December are months with snowfall. In Johnson City, in January, snow falls for 8.9 days, with typically accumulated 3.39" (86mm) of snow. Throughout the year, in Johnson City, there are 32.1 snowfall days, and 13.31" (338mm) of snow is accumulated.Daylight
In Johnson City, the average length of the day in January is 10h and 1min.On the first day of January in Johnson City, sunrise is at 7:40 am and sunset at 5:24 pm. On the last day of the month, sunrise is at 7:31 am and sunset at 5:54 pm EST.
Sunshine
January has the least sunshine of the year in Johnson City, with an average of 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 reading of 2, and below, represents a low threat to health from unprotected exposure to Sun's UV rays for the average person.Note: The daily maximum UV index of 2 in January interprets into the following advice:
Extended time in the sun generally does not harm most, but those with sensitive skin, infants, and children should always be protected. Avoiding direct sun during mid-day hours can prevent harmful UV radiation exposure. Your best bet for sun defense on the face, eyes, and neck is a hat with a wide brim. Stay alert! Snow's reflective properties can almost double the UV radiation from the Sun.
Frequently asked questions
What is the coldest time of year in Johnson City?
How cold is January in Johnson City?
What is the average humidity in January in Johnson City?
How many days does it rain in January in Johnson City?
How many days does it snow in January in Johnson City?
What is the average length of the day in January in Johnson City?
What time are sunrise and sunset in January in Johnson City?
What is the month with the least sunshine in Johnson City?
How long on average sun shines in January in Johnson City?
What is the month with the lowest UV index in Johnson City?
What is the UV index intensity in January in Johnson City?
Average temperature in January
Johnson City, TN
- Average high temperature in January: 41.5°F
The warmest month (with the highest average high temperature) is July (83.3°F).
The month with the lowest average high temperature is January (41.5°F).
- Average low temperature in January: 26.6°F
The month with the highest average low temperature is July (60.6°F).
The coldest month (with the lowest average low temperature) is January (26.6°F).
Average pressure in January
Johnson City, TN
- Average pressure in January: 30.15"Hg
The month with the highest atmospheric pressure is November (30.16"Hg).
The month with the lowest atmospheric pressure is June (29.99"Hg).
Average wind speed in January
Johnson City, TN
- Average wind speed in January: 6.4mph
The windiest month (with the highest average wind speed) is April (6.6mph).
The calmest month (with the lowest average wind speed) is August (3.7mph).
Average humidity in January
Johnson City, TN
- Average humidity in January: 78%
The months with the highest relative humidity are February and December (79%).
The month with the lowest relative humidity is November (75%).
Average rainfall in January
Johnson City, TN
- Average rainfall in January: 2.6"
The wettest month (with the highest rainfall) is February (3.27").
The driest month (with the least rainfall) is September (1.77").
Average rainfall days in January
Johnson City, TN
- Average rainfall days in January: 13.8 days
The month with the highest number of rainy days is July (19.6 days).
The month with the least rainy days is November (11.2 days).
Average snowfall in January
Johnson City, TN
- Average snowfall in January: 3.39"
The month with the highest snowfall is December (3.74").
The months with the least snowfall are May, June, July, August and September (0").
Average snowfall days in January
Johnson City, TN
- Average snowfall days in January: 8.9 days
The month with the highest number of snowfall days is January (8.9 days).
The months with the least snowfall days are June, July, August and September (0 days).
Average daylight in January /
Average sunshine in January
Johnson City, 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: 5h and 0min
The month with the most sunshine is June (Average sunshine: 10h and 36min).
The month with the least sunshine is January (Average sunshine: 5h and 0min).
Average sunshine days in January
Johnson City, TN
- Average sunshine days in January: 11.1 days
The month with the most sunshine days is October (16.5 days).
The month with the least sunshine days is July (8.3 days).
Average UV index in January
Johnson City, TN
- Average UV index in January: 2
The months with the highest UV index are 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
Johnson City, TN
- Average cloud cover in January: 50
The month with the most cloud cover is February (Cloud cover 52).
The months with the least cloud cover are June and August (Cloud cover 31).
Average visibility in January
Johnson City, TN
- Average visibility in January: 5mi
The months with the highest visibility are April, June, July, October and November (6mi).
The months with the lowest visibility are January, February, March, May, August, September and December (5mi).
Johnson City, Tennessee, USA
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