January weather forecast
Acton, TN

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Weather in January

January, like December, is a frosty winter month in Acton, Tennessee, with an average temperature fluctuating between 47.5°F (8.6°C) and 32.9°F (0.5°C).

Temperature

In Acton, the lowest temperatures are generally noted in January, averaging a high of 47.5°F (8.6°C) and a low of 32.9°F (0.5°C).

Humidity

The average relative humidity in January is 77%.

Rainfall

In Acton, during January, the rain falls for 12.1 days and regularly aggregates up to 2.95" (75mm) of precipitation. Throughout the year, there are 166.5 rainfall days, and 37.95" (964mm) of precipitation is accumulated.

Snowfall

Months with snowfall are January through March, November and December. In January, it is snowing for 1.8 days. Throughout January, 0.39" (10mm) of snow is accumulated. In Acton, during the entire year, snow falls for 5.9 days and aggregates up to 1.61" (41mm) of snow.

Daylight

In Acton, the average length of the day in January is 10h and 7min.
On the first day of the month, sunrise is at 7:01 am and sunset at 4:52 pm. On the last day of January, sunrise is at 6:53 am and sunset at 5:21 pm CST.

Sunshine

In Acton, the average sunshine in January is 4.8h.

UV index

In January, the average daily maximum UV index is 3. A UV Index reading of 3 to 5 represents a moderate threat to health from unprotected exposure to Sun's UV rays for average individuals.
Note: The maximum daily UV index, 3 in January, converts into the following recommendations:
Exercise care. People with light skin might get burns in fewer than 30 minutes. Avoiding direct sun during mid-day hours can prevent harmful UV radiation exposure. Tightly woven clothing, when worn loosely, shields effectively against the Sun. Be mindful! The reflection from snow can increase the Sun's UV radiation nearly twice.
Updated: Aug 10, 2024
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate

Frequently asked questions

What is the coldest month?

Acton witnesses the coldest weather in January, with temperatures averaging a high of 47.5°F (8.6°C) and a low of 32.9°F (0.5°C).

What is the average January temperature?

In Acton, 47.5°F (8.6°C) is the average high-temperature and 32.9°F (0.5°C) is the average low-temperature during January.

What is the average humidity in January?

The average relative humidity in January is 77%.

How many days does it rain in January?

In Acton, in January, it is raining for 12.1 days, with typically 2.95" (75mm) of accumulated precipitation.

How many days does it snow in January?

In Acton, Tennessee, in January, during 1.8 snowfall days, 0.39" (10mm) of snow is typically accumulated.

What is the average length of the day in January?

The average day length in January in Acton is 10h and 7min.

What time are sunrise and sunset in January?

In January, on the first day of the month, sunrise is at 7:01 am and sunset at 4:52 pm. On the last day of the month, sunrise is at 6:53 am and sunset at 5:21 pm CST.

How long on average sun shines in January?

In Acton, Tennessee, the average sunshine duration in January is 4.8h.

What is the UV index intensity in January?

The average daily maximum UV index in January is 3. A UV Index estimate of 3 to 5 represents a medium health risk from unsafe 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
Acton, TN

Average temperature in January - Acton, TN
  • Average high temperature in January: 47.5°F

The warmest month (with the highest average high temperature) is July (90°F).
The month with the lowest average high temperature is January (47.5°F).

  • Average low temperature in January: 32.9°F

The month with the highest average low temperature is July (70.2°F).
The coldest month (with the lowest average low temperature) is January (32.9°F).

Average pressure in January
Acton, TN

Average pressure in January - Acton, 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 (29.96"Hg).

Average wind speed in January
Acton, TN

Average wind speed in January - Acton, TN
  • Average wind speed in January: 7.7mph

The windiest month (with the highest average wind speed) is February (7.9mph).
The calmest month (with the lowest average wind speed) is July (4.7mph).

Average humidity in January
Acton, TN

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

The months with the highest relative humidity are March and December (80%).
The month with the lowest relative humidity is October (72%).

Average rainfall in January
Acton, TN

Average rainfall in January - Acton, TN
  • Average rainfall in January: 2.95"

The wettest month (with the highest rainfall) is February (4.69").
The driest month (with the least rainfall) is September (2.01").

Average rainfall days in January
Acton, TN

Average rainfall days in January - Acton, TN
  • Average rainfall days in January: 12.1 days

The month with the highest number of rainy days is July (17.3 days).
The month with the least rainy days is November (10.2 days).

Average snowfall in January
Acton, TN

Average snowfall in January - Acton, TN
  • Average snowfall in January: 0.39"

The month with the highest snowfall is February (0.51").
The months with the least snowfall are April, May, June, July, August, September and October (0").

Average snowfall days in January
Acton, TN

Average snowfall days in January - Acton, TN
  • Average snowfall days in January: 1.8 days

The month with the highest number of snowfall days is February (2.3 days).
The months with the least snowfall days are May, June, July, August, September and October (0 days).

Average daylight in January /
Average sunshine in January
Acton, TN

Average daylight in January / Average sunshine in January - Acton, 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 5min

The month with the most sunshine is June (Average sunshine: 10h and 24min).
The month with the least sunshine is February (Average sunshine: 4h and 30min).

Average sunshine days in January
Acton, TN

Average sunshine days in January - Acton, TN
  • Average sunshine days in January: 16.8 days

The month with the most sunshine days is October (19.1 days).
The month with the least sunshine days is July (11.8 days).

Average UV index in January
Acton, TN

Average UV index in January - Acton, TN
  • Average UV index in January: 3

The months with the highest UV index are June and July (UV index 7).
The month with the lowest UV index is December (UV index 2).

Average cloud cover in January
Acton, TN

Average cloud cover in January - Acton, TN
  • Average cloud cover in January: 48

The month with the most cloud cover is February (Cloud cover 51).
The months with the least cloud cover are June, August and September (Cloud cover 30).

Average visibility in January
Acton, TN

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

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

Acton, Tennessee, USA

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