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
Temperature records mark January as the coldest month, with highs averaging 43.7°F (6.5°C) and lows at 29.5°F (-1.4°C).Humidity
The average relative humidity in January in Johntown is 77%.Rainfall
In Johntown, Tennessee, in January, during 12.4 rainfall days, 2.48" (63mm) of precipitation is typically accumulated. In Johntown, during the entire year, the rain falls for 178.1 days and collects up to 37.99" (965mm) of precipitation.Snowfall
January through April, October through December are months with snowfall in Johntown. The month with the most snowfall is January, when snow falls for 5.4 days and typically aggregates up to 1.38" (35mm) of snow.Daylight
The average length of the day in January is 10h and 1min.On the first day of January, sunrise is at 6:55 am and sunset at 4:39 pm. On the last day of the month, sunrise is at 6:46 am and sunset at 5:08 pm CST.
Sunshine
The average sunshine in January is 4.5h.UV index
January, February and December, with an average maximum UV index of 2, are months with the lowest UV index. A UV Index value of 2, and less, symbolizes a minimal health hazard from unprotected exposure to Sun's UV rays for ordinary individuals.Note: The maximum daily UV index of 2 in January interprets into the following recommendations:
People with sensitive skin, children, and babies should always be protected from prolonged sun exposure. It's crucial to reduce time in the direct Sun around mid-day due to the intense solar radiation. To mitigate harm from sun exposure, pick sunglasses offering UVA and UVB defense. Be aware! The reflective nature of snow can magnify the Sun's UV radiation almost twofold.
Frequently asked questions
What time of the year is the coldest in Johntown?
Is it cold in Johntown during January?
What is the average humidity in January in Johntown?
How much does it rain in Johntown in January?
What is the snowiest month in Johntown?
How much does it snow in Johntown in January?
What is the average length of the day in January in Johntown?
When are sunrise and sunset in January in Johntown?
How long on average sun shines in January in Johntown?
What are the months with the lowest UV index in Johntown?
How high is the UV index in January in Johntown?
Average temperature in January
Johntown, TN
- Average high temperature in January: 43.7°F
The warmest month (with the highest average high temperature) is July (86.9°F).
The month with the lowest average high temperature is January (43.7°F).
- Average low temperature in January: 29.5°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 (29.5°F).
Average pressure in January
Johntown, 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 (29.97"Hg).
Average wind speed in January
Johntown, TN
- Average wind speed in January: 7.6mph
The windiest month (with the highest average wind speed) is February (7.9mph).
The calmest months (with the lowest average wind speed) are July and August (4.5mph).
Average humidity in January
Johntown, TN
- Average humidity in January: 77%
The months with the highest relative humidity are February, March, May and December (79%).
The months with the lowest relative humidity are October and November (75%).
Average rainfall in January
Johntown, TN
- Average rainfall in January: 2.48"
The wettest month (with the highest rainfall) is July (4.53").
The driest month (with the least rainfall) is September (2.05").
Average rainfall days in January
Johntown, TN
- Average rainfall days in January: 12.4 days
The month with the highest number of rainy days is July (19.4 days).
The month with the least rainy days is November (9.7 days).
Average snowfall in January
Johntown, TN
- Average snowfall in January: 1.38"
The month with the highest snowfall is January (1.38").
The months with the least snowfall are May, June, July, August and September (0").
Average snowfall days in January
Johntown, TN
- Average snowfall days in January: 5.4 days
The month with the highest number of snowfall days is January (5.4 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
Johntown, 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 February (Average sunshine: 4h and 24min).
Average sunshine days in January
Johntown, TN
- Average sunshine days in January: 14.3 days
The month with the most sunshine days is November (18.5 days).
The month with the least sunshine days is July (9.3 days).
Average UV index in January
Johntown, 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
Johntown, TN
- Average cloud cover in January: 53
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
Johntown, TN
- Average visibility in January: 5mi
The months with the highest visibility are February, April, June, September, October, November and December (6mi).
The months with the lowest visibility are January, March, May, July and August (5mi).
Johntown, Tennessee, USA
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