January weather forecastCollierville, TN

January

Weather in January

January in Collierville, Tennessee, marks the coldest month of the year. The temperatures hover between 33.4°F (0.8°C) at night to 46.9°F (8.3°C) in the daytime. The town also experiences a slightly higher amount of daylight, with a notable increase from the previous winter month. Winter storms can occasionally cause snowfall, with nearly two days of snow-covered grounds. It's crucial for residents to prepare for this chilly start to the year by bundling up and utilizing energy-efficient heating systems.

Temperature

In Collierville, January is the coldest month, with temperatures averaging a high of 46.9°F (8.3°C) and a low of 33.4°F (0.8°C).

Humidity

In January, the average relative humidity is 76%.

Rainfall

In Collierville, in January, during 10.8 rainfall days, 1.85" (47mm) of precipitation is typically accumulated. Throughout the year, there are 153.4 rainfall days, and 31.34" (796mm) of precipitation is accumulated.

Snowfall

January through March, November and December are months with snowfall. The months with the most snowfall in Collierville are January and February, with an average 0.47" (12mm) of accumulated snow.

Daylight

In Collierville, the average length of the day in January is 10h and 7min.
On the first day of January, sunrise is at 7:06 am and sunset at 4:57 pm. On the last day of the month, sunrise is at 6:58 am and sunset at 5:25 pm CST.

Sunshine

The average sunshine in January is 5h.

UV index

The months with the lowest UV index are January, February, November and December, with an average maximum UV index of 3. A UV Index of 3 to 5 symbolizes a medium health hazard from exposure to the Sun's UV rays for the average person.
Note: The maximum UV index of 3 during January translates into these guidelines:
Guard yourself - Precautionary measures against sun damage are advocated. Avoiding the Sun's peak radiation during midday hours is essential for health and safety. For excellent sun protection for the eyes, ears, face, and neck, consider a wide-brim hat. Heads up! The UV radiation from the Sun can almost be doubled by snow reflection.
Updated: Jun 14, 2024
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate

Frequently asked questions

In Collierville, January is the month with the lowest recorded average temperatures, measuring a high of 46.9°F (8.3°C) and a low of 33.4°F (0.8°C).

During January, Collierville experiences an average high-temperature of 46.9°F (8.3°C) and a low-temperature of 33.4°F (0.8°C).

The average relative humidity in January is 76%.

In Collierville, in January, it is raining for 10.8 days, with typically 1.85" (47mm) of accumulated precipitation.

The months with the most snowfall are January and February, with an average 0.47" (12mm) of accumulated snow.

In Collierville, Tennessee, during January, snow falls for 2.1 days and regularly aggregates up to 0.47" (12mm) of snow.

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

On the first day of January, sunrise is at 7:06 am and sunset at 4:57 pm. On the last day of the month, sunrise is at 6:58 am and sunset at 5:25 pm CST.

The average sunshine duration in January is 5h.

January, February, November and December, with an average maximum UV index of 3, are months with the lowest UV index.

In January, the average daily maximum UV index is 3. A UV Index value of 3 to 5 symbolizes a medium health risk from unsafe exposure to Sun's UV rays.
Average high temperature
Average low temperature
Average pressure
Average wind speed
Average max. wind speed
Average wind speed gusts
Average humidity
Average rainfall
Average rainfall days
Average snowfall
Average snowfall days
Average sunshine
Average sunshine days
Average UV index
Average cloud cover
Average visibility

Average temperature in January
Collierville, TN

  • Average high temperature in January: 46.9°F

The warmest month (with the highest average high temperature) is July (88.9°F).
The month with the lowest average high temperature is January (46.9°F).

  • Average low temperature in January: 33.4°F

The month with the highest average low temperature is July (71.1°F).
The coldest month (with the lowest average low temperature) is January (33.4°F).

Average pressure in January
Collierville, 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 (29.95"Hg).

Average wind speed in January
Collierville, TN

  • Average wind speed in January: 8.8mph

The windiest month (with the highest average wind speed) is February (8.9mph).
The calmest month (with the lowest average wind speed) is July (5.2mph).

Average humidity in January
Collierville, 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 (70%).

Average rainfall in January
Collierville, TN

  • Average rainfall in January: 1.85"

The wettest month (with the highest rainfall) is February (3.39").
The driest month (with the least rainfall) is September (1.73").

Average rainfall days in January
Collierville, TN

  • Average rainfall days in January: 10.8 days

The month with the highest number of rainy days is August (16.3 days).
The month with the least rainy days is November (8.8 days).

Average snowfall in January
Collierville, TN

  • Average snowfall in January: 0.47"

The months with the highest snowfall are January and February (0.47").
The months with the least snowfall are April, May, June, July, August, September and October (0").

Average snowfall days in January
Collierville, TN

  • Average snowfall days in January: 2.1 days

The month with the highest number of snowfall days is January (2.1 days).
The months with the least snowfall days are April, May, June, July, August and September (0 days).

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

  • Average daylight in January: 10h and 6min

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: 5h and 0min

The months with the most sunshine are June and July (Average sunshine: 10h and 30min).
The month with the least sunshine is February (Average sunshine: 4h and 42min).

Average sunshine days in January
Collierville, TN

  • Average sunshine days in January: 16.7 days

The month with the most sunshine days is October (20.5 days).
The month with the least sunshine days is August (11.7 days).

Average UV index in January
Collierville, TN

  • Average UV index in January: 3

The months with the highest UV index are June, July and August (UV index 7).
The months with the lowest UV index are January, February, November and December (UV index 3).

Average cloud cover in January
Collierville, TN

  • Average cloud cover in January: 45

The month with the most cloud cover is February (Cloud cover 49).
The months with the least cloud cover are June and August (Cloud cover 27).

Average visibility in January
Collierville, 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).