January weather forecast
McIllwain, TN

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Weather in January

January, the same as December, in McIllwain, Tennessee, is a frosty winter month, with an average temperature fluctuating between 30.7°F (-0.7°C) and 45°F (7.2°C).

Temperature

In McIllwain, the lowest average temperatures are observed in January, with a high of 45°F (7.2°C) and a low of 30.7°F (-0.7°C).

Humidity

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

Rainfall

In McIllwain, in January, it is raining for 7.3 days, with typically 0.71" (18mm) of accumulated precipitation. Throughout the year, in McIllwain, there are 115.4 rainfall days, and 12.32" (313mm) of precipitation is accumulated.

Snowfall

January through March, November and December are months with snowfall. In McIllwain, Tennessee, in January, snow falls for 1.9 days, with typically accumulated 0.12" (3mm) of snow. In McIllwain, during the entire year, snow falls for 6.2 days and aggregates up to 0.94" (24mm) of snow.

Daylight

In January, the average length of the day in McIllwain is 10h and 3min.
On the first day of the month, sunrise is at 7:02 am and sunset at 4:49 pm. On the last day of January, sunrise is at 6:53 am and sunset at 5:17 pm CST.

Sunshine

In McIllwain, the average sunshine in January is 4.7h.

UV index

The average daily maximum UV index in January in McIllwain is 3. A UV Index value of 3 to 5 symbolizes a medium health hazard from exposure to the Sun's UV rays for average individuals.
Note: A maximum daily UV index of 3 during January morphs into the following directions:
Exercise prevention - Protecting skin and eyes from harm is required. During midday, the Sun's radiation is strongest, and it's advisable to reduce direct exposure. Sunglasses that ward off UVA and UVB rays play a pivotal role in reducing solar eye damage. Pay attention! The reflection of snow can enhance the Sun's UV radiation almost double.
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Frequently asked questions

What is the coldest time of year in McIllwain?

McIllwain's coldest month, January, generally records average temperatures ranging from a high of 45°F (7.2°C) to a low of 30.7°F (-0.7°C).

What are January temperatures in McIllwain?

In January, the average high-temperature and low-temperature in McIllwain are 45°F (7.2°C) and 30.7°F (-0.7°C) respectively.

What is the average humidity in January in McIllwain?

In January, the average relative humidity is 76%.

How much does it rain in McIllwain in January?

In January, the rain falls for 7.3 days. Throughout January, 0.71" (18mm) of precipitation is accumulated.

How much does it snow in McIllwain in January?

In January, it is snowing for 1.9 days. Throughout January, 0.12" (3mm) of snow is accumulated.

What is the average length of the day in January in McIllwain?

In McIllwain, Tennessee, the average day length in January is 10h and 3min.

What time are sunrise and sunset in January in McIllwain?

On the first day of January, sunrise is at 7:02 am and sunset at 4:49 pm. On the last day of the month, sunrise is at 6:53 am and sunset at 5:17 pm CST.

How long on average sun shines in January in McIllwain?

The average sunshine duration in January in McIllwain is 4.7h.

What is the UV index intensity in January in McIllwain?

In January, the average daily maximum UV index in McIllwain is 3. A UV Index of 3 to 5 symbolizes a medium 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
McIllwain, TN

Average temperature in January - McIllwain, TN
  • Average high temperature in January: 45°F

The warmest month (with the highest average high temperature) is July (89.6°F).
The month with the lowest average high temperature is January (45°F).

  • Average low temperature in January: 30.7°F

The month with the highest average low temperature is July (69.1°F).
The coldest month (with the lowest average low temperature) is January (30.7°F).

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Average pressure in January
McIllwain, TN

Average pressure in January - McIllwain, 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).

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Average wind speed in January
McIllwain, TN

Average wind speed in January - McIllwain, TN
  • Average wind speed in January: 8.1mph

The windiest months (with the highest average wind speed) are January, February and April (8.1mph).
The calmest months (with the lowest average wind speed) are July and August (4.8mph).

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Average humidity in January
McIllwain, TN

Average humidity in January - McIllwain, TN
  • Average humidity in January: 76%

The months with the highest relative humidity are March and December (79%).
The month with the lowest relative humidity is October (73%).

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Average rainfall in January
McIllwain, TN

Average rainfall in January - McIllwain, TN
  • Average rainfall in January: 0.71"

The wettest month (with the highest rainfall) is July (1.5").
The driest month (with the least rainfall) is September (0.35").

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Average rainfall days in January
McIllwain, TN

Average rainfall days in January - McIllwain, TN
  • Average rainfall days in January: 7.3 days

The month with the highest number of rainy days is July (14 days).
The month with the least rainy days is November (6.1 days).

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Average snowfall in January
McIllwain, TN

Average snowfall in January - McIllwain, TN
  • Average snowfall in January: 0.12"

The month with the highest snowfall is March (0.28").
The months with the least snowfall are April, May, June, July, August, September and October (0").

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Average snowfall days in January
McIllwain, TN

Average snowfall days in January - McIllwain, TN
  • Average snowfall days in January: 1.9 days

The month with the highest number of snowfall days is January (1.9 days).
The months with the least snowfall days are April, May, June, July, August and September (0 days).

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

Average daylight in January / Average sunshine in January - McIllwain, TN
  • Average daylight in January: 10h and 1min

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 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 30min).

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Average sunshine days in January
McIllwain, TN

Average sunshine days in January - McIllwain, TN
  • Average sunshine days in January: 21.2 days

The month with the most sunshine days is November (22.3 days).
The month with the least sunshine days is July (15.7 days).

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Average UV index in January
McIllwain, TN

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

The months with the highest UV index are May, June, July and August (UV index 6).
The month with the lowest UV index is December (UV index 2).

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Average cloud cover in January
McIllwain, TN

Average cloud cover in January - McIllwain, TN
  • Average cloud cover in January: 50

The months with the most cloud cover are February and December (Cloud cover 52).
The month with the least cloud cover is June (Cloud cover 30).

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Average visibility in January
McIllwain, TN

Average visibility in January - McIllwain, TN
  • Average visibility in January: 6mi

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

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McIllwain, Tennessee, USA

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