January weather forecast
Summitville, TN

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Weather in January

January, like December, is a frosty winter month in Summitville, Tennessee, with an average temperature varying between 30.7°F (-0.7°C) and 45.1°F (7.3°C).

Temperature

With an average high-temperature of 45.1°F (7.3°C) and an average low-temperature of 30.7°F (-0.7°C), January is the coldest month.

Humidity

In Summitville, the average relative humidity in January is 77%.

Rainfall

In Summitville, Tennessee, in January, during 13.3 rainfall days, 3.46" (88mm) of precipitation is typically accumulated. Throughout the year, there are 183 rainfall days, and 43.19" (1097mm) of precipitation is accumulated.

Snowfall

January through April, November and December are months with snowfall. In Summitville, in January, snow falls for 5.2 days, with typically accumulated 1.3" (33mm) of snow. Throughout the year, there are 17.2 snowfall days, and 4.53" (115mm) of snow is accumulated.

Daylight

In Summitville, Tennessee, the average length of the day in January is 10h and 5min.
On the first day of January in Summitville, sunrise is at 6:53 am and sunset at 4:41 pm. On the last day of the month, sunrise is at 6:44 am and sunset at 5:10 pm CST.

Sunshine

The average sunshine in January is 4.6h.

UV index

January and December, with an average maximum UV index of 2, are months with the lowest UV index. A UV Index reading of 2, and below, represents a low threat to health from unsafe exposure to UV radiation for average individuals.
Note: In January, the maximum UV index of 2 suggests these recommendations:
While extended sun exposure does not significantly affect most people, those with sensitive skin, children, and infants should always be protected. For skin protection, it's recommended to minimize Sun exposure during its peak hours around midday. Consider a wide-brim hat essential for effective sun defense covering your face, neck, and eyes. Attention! Nearly twice the Sun's UV radiation can be reflected by snow.
Updated: Feb 14, 2024
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate

Frequently asked questions

What part of the year is the coldest in Summitville?

With its average high temperature of 45.1°F (7.3°C) and a low of 30.7°F (-0.7°C), January is regarded as the coldest month in Summitville.

What are January temperatures in Summitville?

January temperatures in Summitville vary between a high-temperature of 45.1°F (7.3°C) and a low-temperature of 30.7°F (-0.7°C).

What is the average humidity in January in Summitville?

In Summitville, the average relative humidity in January is 77%.

How much does it rain in Summitville in January?

In Summitville, during January, the rain falls for 13.3 days and regularly aggregates up to 3.46" (88mm) of precipitation.

How much does it snow in Summitville in January?

In Summitville, Tennessee, in January, snow falls for 5.2 days, with typically accumulated 1.3" (33mm) of snow.

How many hours of daylight does Summitville have in January?

The average day length in January is 10h and 5min.

When are sunrise and sunset in January in Summitville?

In January, on the first day of the month, sunrise is at 6:53 am and sunset at 4:41 pm. On the last day of the month, in Summitville, sunrise is at 6:44 am and sunset at 5:10 pm CST.

How long on average sun shines in January in Summitville?

In January, the average sunshine duration in Summitville, Tennessee, is 4.6h.

What is the month with the lowest UV index in Summitville?

January and December, with an average maximum UV index of 2, are months with the lowest UV index in Summitville.

What is the UV index reading in January in Summitville?

In January, the average daily maximum UV index in Summitville, Tennessee, is 2. A UV Index value of 2, and less, symbolizes a low health risk from exposure to Sun's UV rays.
Average humidity
Average rainfall days
Average snowfall days
Average daylight
Average sunshine
Average sunshine days
Average UV index
Average cloud cover
Average visibility

Average temperature in January
Summitville, TN

Average temperature in January - Summitville, TN
  • Average high temperature in January: 45.1°F

The warmest month (with the highest average high temperature) is July (86.4°F).
The month with the lowest average high temperature is January (45.1°F).

  • Average low temperature in January: 30.7°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 (30.7°F).

Average pressure in January
Summitville, TN

Average pressure in January - Summitville, 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 (29.98"Hg).

Average wind speed in January
Summitville, TN

Average wind speed in January - Summitville, TN
  • Average wind speed in January: 7.6mph

The windiest month (with the highest average wind speed) is February (8.1mph).
The calmest month (with the lowest average wind speed) is July (4.6mph).

Average humidity in January
Summitville, TN

Average humidity in January - Summitville, TN
  • Average humidity in January: 77%

The months with the highest relative humidity are March and December (80%).
The months with the lowest relative humidity are October and November (75%).

Average rainfall in January
Summitville, TN

Average rainfall in January - Summitville, TN
  • Average rainfall in January: 3.46"

The wettest month (with the highest rainfall) is July (4.72").
The driest month (with the least rainfall) is September (2.28").

Average rainfall days in January
Summitville, TN

Average rainfall days in January - Summitville, TN
  • Average rainfall days in January: 13.3 days

The month with the highest number of rainy days is July (21 days).
The month with the least rainy days is November (10.3 days).

Average snowfall in January
Summitville, TN

Average snowfall in January - Summitville, TN
  • Average snowfall in January: 1.3"

The month with the highest snowfall is February (1.34").
The months with the least snowfall are May, June, July, August, September and October (0").

Average snowfall days in January
Summitville, TN

Average snowfall days in January - Summitville, TN
  • Average snowfall days in January: 5.2 days

The month with the highest number of snowfall days is January (5.2 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
Summitville, TN

Average daylight in January / Average sunshine in January - Summitville, 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: 4h and 4min

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
Summitville, TN

Average sunshine days in January - Summitville, TN
  • Average sunshine days in January: 13.9 days

The month with the most sunshine days is October (17.8 days).
The month with the least sunshine days is July (8.1 days).

Average UV index in January
Summitville, TN

Average UV index in January - Summitville, 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 and December (UV index 2).

Average cloud cover in January
Summitville, TN

Average cloud cover in January - Summitville, TN
  • Average cloud cover in January: 52

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
Summitville, TN

Average visibility in January - Summitville, TN
  • Average visibility in January: 5mi

The months with the highest visibility are February, March, April, June, September, October and November (6mi).
The months with the lowest visibility are January, May, July, August and December (5mi).

Summitville, Tennessee, USA

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