January weather forecast
Hartsville, TN

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Weather in January

January, like December, is another chilly winter month in Hartsville, Tennessee, with an average temperature ranging between min 29.5°F (-1.4°C) and max 43.7°F (6.5°C).

Temperature

Hartsville reaches its lowest average temperatures in January, measuring 43.7°F (6.5°C) at the peak and 29.5°F (-1.4°C) at the lowest.

Humidity

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

Rainfall

In Hartsville, during January, the rain falls for 12.4 days and regularly aggregates up to 2.48" (63mm) of precipitation. In Hartsville, during the entire year, the rain falls for 178.1 days and collects up to 37.99" (965mm) of precipitation.

Snowfall

Months with snowfall are January through April, October through December. January is the month with the most snowfall. Snow falls for 5.4 days and accumulates 1.38" (35mm) of snow.

Daylight

In January, the average length of the day in Hartsville is 10h and 1min.
On the first day of the month, sunrise is at 6:56 am and sunset at 4:40 pm. On the last day of January, in Hartsville, sunrise is at 6:46 am and sunset at 5:09 pm CST.

Sunshine

In January, the average sunshine is 4.5h.

UV index

The months with the lowest UV index in Hartsville are January, February and December, with an average maximum UV index of 2. A UV Index reading of 2, and below, represents a low health risk from exposure to the Sun's UV radiation for ordinary individuals.
Note: In January, the UV index of 2 transforms into the following advice:
Sun exposure does not present considerable issues for many, yet infants, fair-skinned people, and children necessitate constant protection. To protect against the Sun's most potent rays, avoid direct exposure around midday. Always opt for UVA and UVB-resistant sunglasses on radiant days. Attention! Nearly twice the Sun's UV radiation can be reflected by snow.
Updated: Aug 27, 2024
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate

Frequently asked questions

What time of the year is the coldest?

January, with its high-temperature average of 43.7°F (6.5°C) and a low-temperature average of 29.5°F (-1.4°C), is the coldest month.

How cold does it get in January?

In Hartsville, in January, the average high-temperature is 43.7°F (6.5°C), and the average low-temperature is 29.5°F (-1.4°C).

What is the average humidity in January?

In January, the average relative humidity is 77%.

How much does it rain in January?

In Hartsville, Tennessee, in January, it is raining for 12.4 days, with typically 2.48" (63mm) of accumulated precipitation.

What is the snowiest month?

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.

How much does it snow in January?

In January, it is snowing for 5.4 days. Throughout January, 1.38" (35mm) of snow is accumulated.

What is the average length of the day in January?

In January, the average day length is 10h and 1min.

When is the sunrise / sunset in January?

On the first day of January, sunrise is at 6:56 am and sunset at 4:40 pm. On the last day of the month, sunrise is at 6:46 am and sunset at 5:09 pm CST.

How long on average sun shines in January?

The average sunshine duration in January is 4.5h.

What is the month with the lowest UV index?

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

What is the UV index intensity in January?

In Hartsville, the average daily maximum UV index in January is 2. A UV Index value of 2, and less, symbolizes a minimal hazard to health from exposure to the Sun's UV radiation.
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
Hartsville, TN

Average temperature in January - Hartsville, 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
Hartsville, TN

Average pressure in January - Hartsville, 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
Hartsville, TN

Average wind speed in January - Hartsville, 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
Hartsville, TN

Average humidity in January - Hartsville, 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
Hartsville, TN

Average rainfall in January - Hartsville, 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
Hartsville, TN

Average rainfall days in January - Hartsville, 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
Hartsville, TN

Average snowfall in January - Hartsville, 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
Hartsville, TN

Average snowfall days in January - Hartsville, 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
Hartsville, TN

Average daylight in January / Average sunshine in January - Hartsville, 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
Hartsville, TN

Average sunshine days in January - Hartsville, 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
Hartsville, TN

Average UV index in January - Hartsville, 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
Hartsville, TN

Average cloud cover in January - Hartsville, 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
Hartsville, TN

Average visibility in January - Hartsville, 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).

Hartsville, Tennessee, USA

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