January weather forecast
Castalian Springs, TN

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Weather in January

January, like December, is a frosty winter month in Castalian Springs, Tennessee, with an average temperature fluctuating between 42.8°F (6°C) and 28.9°F (-1.7°C).

Temperature

January, marked by an average high-temperature of 42.8°F (6°C) and a low-temperature of 28.9°F (-1.7°C), is the coldest month.

Humidity

In January, the average relative humidity is 77%.

Rainfall

In January, in Castalian Springs, Tennessee, the rain falls for 11.6 days. Throughout January, 2.56" (65mm) of precipitation is accumulated. In Castalian Springs, during the entire year, the rain falls for 176.5 days and collects up to 41.22" (1047mm) of precipitation.

Snowfall

Months with snowfall are January through April, November and December. In Castalian Springs, during January, snow falls for 5.2 days and regularly aggregates up to 1.18" (30mm) of snow. Throughout the year, in Castalian Springs, there are 17.5 snowfall days, and 5" (127mm) of snow is accumulated.

Daylight

The average length of the day in January in Castalian Springs is 10h and 1min.
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 6:47 am and sunset at 5:09 pm CST.

Sunshine

In Castalian Springs, the average sunshine in January is 4.3h.

UV index

January, February and December, with an average maximum UV index of 2, are months with the lowest UV index in Castalian Springs. A UV Index reading of 2, and below, represents a low health risk from exposure to the Sun's UV rays for average individuals.
Note: An average maximum UV index of 2 in January leads to these recommendations:
Babies, children, and individuals with sensitive skin should always have protection against extended sun exposure. The Sun's radiation is especially intense around midday; try to stay in shade during this period. Sunglasses providing both UVA and UVB protection are non-negotiable on sunlit days. Pay attention! The reflection of snow can enhance the Sun's UV radiation almost double.
Updated: Feb 14, 2024 | Published by: Weather U.S. | About Us / Weather Forecasting / Data Sources

Frequently asked questions

What time of the year is the coldest in Castalian Springs?

With an average high-temperature of 42.8°F (6°C) and an average low-temperature of 28.9°F (-1.7°C), January is the coldest month in Castalian Springs.

Is it cold in Castalian Springs during January?

In Castalian Springs, in January, the average high-temperature is 42.8°F (6°C), and the average low-temperature is 28.9°F (-1.7°C).

What is the average humidity in January in Castalian Springs?

In Castalian Springs, Tennessee, the average relative humidity in January is 77%.

How much does it rain in Castalian Springs in January?

In Castalian Springs, Tennessee, in January, it is raining for 11.6 days, with typically 2.56" (65mm) of accumulated precipitation.

How much does it snow in Castalian Springs in January?

In Castalian Springs, during January, snow falls for 5.2 days and regularly aggregates up to 1.18" (30mm) of snow.

How many hours of daylight does Castalian Springs have in January?

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

When are sunrise and sunset in January in Castalian Springs?

On the first day of January in Castalian Springs, sunrise is at 6:56 am and sunset at 4:40 pm. On the last day of the month, sunrise is at 6:47 am and sunset at 5:09 pm CST.

How many hours of sunshine does Castalian Springs have in January?

The average sunshine duration in January in Castalian Springs is 4.3h.

What is the month with the lowest UV index in Castalian Springs?

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

What is the UV index reading in January in Castalian Springs?

In January, the average daily maximum UV index in Castalian Springs, Tennessee, is 2. A UV Index reading of 2, and below, represents a minimal health vulnerability 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
Castalian Springs, TN

Average temperature in January - Castalian Springs, TN
  • Average high temperature in January: 42.8°F

The warmest month (with the highest average high temperature) is July (86.7°F).
The month with the lowest average high temperature is January (42.8°F).

  • Average low temperature in January: 28.9°F

The month with the highest average low temperature is July (67.8°F).
The coldest month (with the lowest average low temperature) is January (28.9°F).

Average pressure in January
Castalian Springs, TN

Average pressure in January - Castalian Springs, 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
Castalian Springs, TN

Average wind speed in January - Castalian Springs, TN
  • Average wind speed in January: 7.9mph

The windiest month (with the highest average wind speed) is February (8.2mph).
The calmest month (with the lowest average wind speed) is July (4.6mph).

Average humidity in January
Castalian Springs, TN

Average humidity in January - Castalian Springs, TN
  • Average humidity in January: 77%

The months with the highest relative humidity are February, March, May, July and December (79%).
The month with the lowest relative humidity is October (75%).

Average rainfall in January
Castalian Springs, TN

Average rainfall in January - Castalian Springs, TN
  • Average rainfall in January: 2.56"

The wettest month (with the highest rainfall) is July (5.2").
The driest month (with the least rainfall) is November (2.28").

Average rainfall days in January
Castalian Springs, TN

Average rainfall days in January - Castalian Springs, TN
  • Average rainfall days in January: 11.6 days

The month with the highest number of rainy days is July (19.3 days).
The month with the least rainy days is November (10.3 days).

Average snowfall in January
Castalian Springs, TN

Average snowfall in January - Castalian Springs, TN
  • Average snowfall in January: 1.18"

The month with the highest snowfall is February (1.54").
The months with the least snowfall are May, June, July, August, September and October (0").

Average snowfall days in January
Castalian Springs, TN

Average snowfall days in January - Castalian Springs, TN
  • Average snowfall days in January: 5.2 days

The month with the highest number of snowfall days is January (5.2 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
Castalian Springs, TN

Average daylight in January / Average sunshine in January - Castalian Springs, 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 2min

The months with the most sunshine are June and August (Average sunshine: 10h and 6min).
The month with the least sunshine is February (Average sunshine: 4h and 12min).

Average sunshine days in January
Castalian Springs, TN

Average sunshine days in January - Castalian Springs, TN
  • Average sunshine days in January: 14.7 days

The month with the most sunshine days is November (18.2 days).
The month with the least sunshine days is July (9.8 days).

Average UV index in January
Castalian Springs, TN

Average UV index in January - Castalian Springs, 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
Castalian Springs, TN

Average cloud cover in January - Castalian Springs, TN
  • Average cloud cover in January: 54

The month with the most cloud cover is February (Cloud cover 56).
The month with the least cloud cover is June (Cloud cover 31).

Average visibility in January
Castalian Springs, TN

Average visibility in January - Castalian Springs, 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).

Castalian Springs, Tennessee, USA

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