January weather forecast
Cottage Grove, TN

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Weather in January

January, like December, is a frosty winter month in Cottage Grove, Tennessee, with an average temperature varying between 30.2°F (-1°C) and 43.5°F (6.4°C).

Temperature

Temperature readings reach their annual highs in January, averaging 43.5°F (6.4°C) and a minimum average of 30.2°F (-1°C).

Humidity

In Cottage Grove, the average relative humidity in January is 76%.

Rainfall

In Cottage Grove, during January, the rain falls for 11.1 days and regularly aggregates up to 2.48" (63mm) of precipitation. In Cottage Grove, during the entire year, the rain falls for 165.6 days and collects up to 37.64" (956mm) of precipitation.

Snowfall

Months with snowfall are January through March, November and December. In Cottage Grove, in January, during 4.1 snowfall days, 1.06" (27mm) of snow is typically accumulated. Throughout the year, there are 10.5 snowfall days, and 4.06" (103mm) of snow is accumulated.

Daylight

The average length of the day in January is 10h and 1min.
On the first day of the month, sunrise is at 7:05 am and sunset at 4:49 pm. On the last day of January, sunrise is at 6:56 am and sunset at 5:18 pm CST.

Sunshine

In January, the average sunshine is 4.8h.

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 value of 2, and less, symbolizes a minimal health vulnerability from exposure to the Sun's UV rays for average individuals.
Note: The maximum daily UV index of 2 in January interprets into the following recommendations:
Protection from prolonged sun exposure is necessary for babies, children, and individuals with sensitive skin. Limiting exposure to the direct Sun during midday hours can help prevent harmful UV radiation effects. Shield yourself from the harmful effects of UV radiation with sun-protective attire, a hat, and quality sunglasses. Guard yourself! Snow reflection can almost double the UV radiation from the Sun.
Updated: Jun 12, 2024
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate

Frequently asked questions

What month is the coldest?

In Cottage Grove, January registers the lowest temperatures, averaging 43.5°F (6.4°C) at the peak and 30.2°F (-1°C) at the lowest.

How cold is January?

In January, the average high-temperature and low-temperature are 43.5°F (6.4°C) and 30.2°F (-1°C) respectively.

What is the average humidity in January?

The average relative humidity in January is 76%.

How many days does it rain in January?

In Cottage Grove, in January, it is raining for 11.1 days, with typically 2.48" (63mm) of accumulated precipitation.

How much does it snow in January?

In Cottage Grove, during January, snow falls for 4.1 days and regularly aggregates up to 1.06" (27mm) of snow.

What is the average length of the day in January?

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

What time are sunrise and sunset in January?

In January, on the first day of the month, sunrise is at 7:05 am and sunset at 4:49 pm. On the last day of the month, sunrise is at 6:56 am and sunset at 5:18 pm CST.

How long on average sun shines in January?

In January, the average sunshine duration is 4.8h.

What is the month with the lowest UV index?

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

How high is the UV index in January?

In Cottage Grove, the average daily maximum UV index in January is 2. A UV Index 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
Cottage Grove, TN

Average temperature in January - Cottage Grove, TN
  • Average high temperature in January: 43.5°F

The warmest month (with the highest average high temperature) is July (88.5°F).
The month with the lowest average high temperature is January (43.5°F).

  • Average low temperature in January: 30.2°F

The month with the highest average low temperature is July (69.4°F).
The coldest month (with the lowest average low temperature) is January (30.2°F).

Average pressure in January
Cottage Grove, TN

Average pressure in January - Cottage Grove, 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
Cottage Grove, TN

Average wind speed in January - Cottage Grove, TN
  • Average wind speed in January: 8.6mph

The windiest months (with the highest average wind speed) are January, February and April (8.6mph).
The calmest months (with the lowest average wind speed) are July and August (5.2mph).

Average humidity in January
Cottage Grove, TN

Average humidity in January - Cottage Grove, TN
  • Average humidity in January: 76%

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

Average rainfall in January
Cottage Grove, TN

Average rainfall in January - Cottage Grove, TN
  • Average rainfall in January: 2.48"

The wettest month (with the highest rainfall) is February (4.17").
The driest month (with the least rainfall) is September (1.85").

Average rainfall days in January
Cottage Grove, TN

Average rainfall days in January - Cottage Grove, TN
  • Average rainfall days in January: 11.1 days

The month with the highest number of rainy days is July (17.8 days).
The month with the least rainy days is November (10.3 days).

Average snowfall in January
Cottage Grove, TN

Average snowfall in January - Cottage Grove, TN
  • Average snowfall in January: 1.06"

The month with the highest snowfall is February (1.22").
The months with the least snowfall are April, May, June, July, August, September and October (0").

Average snowfall days in January
Cottage Grove, TN

Average snowfall days in January - Cottage Grove, TN
  • Average snowfall days in January: 4.1 days

The month with the highest number of snowfall days is January (4.1 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
Cottage Grove, TN

Average daylight in January / Average sunshine in January - Cottage Grove, 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 5min

The month with the most sunshine is June (Average sunshine: 10h and 30min).
The month with the least sunshine is February (Average sunshine: 4h and 36min).

Average sunshine days in January
Cottage Grove, TN

Average sunshine days in January - Cottage Grove, TN
  • Average sunshine days in January: 15.9 days

The month with the most sunshine days is October (19.3 days).
The month with the least sunshine days is July (11.3 days).

Average UV index in January
Cottage Grove, TN

Average UV index in January - Cottage Grove, TN
  • Average UV index in January: 2

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

Average cloud cover in January
Cottage Grove, TN

Average cloud cover in January - Cottage Grove, TN
  • Average cloud cover in January: 49

The month with the most cloud cover is February (Cloud cover 51).
The months with the least cloud cover are June and September (Cloud cover 28).

Average visibility in January
Cottage Grove, TN

Average visibility in January - Cottage Grove, TN
  • Average visibility in January: 6mi

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

Cottage Grove, Tennessee, USA

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