January weather forecast
Castell Springs, TN

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Weather in January

January, the same as December, in Castell Springs, Tennessee, is a frosty winter month, with an average temperature varying between 27.3°F (-2.6°C) and 43.2°F (6.2°C).

Temperature

The lowest temperatures are recorded in January, with averages reaching a high of 43.2°F (6.2°C) and a low of 27.3°F (-2.6°C).

Humidity

In January, the average relative humidity is 77%.

Rainfall

In Castell Springs, during January, the rain falls for 14.3 days and regularly aggregates up to 2.68" (68mm) of precipitation. In Castell Springs, during the entire year, the rain falls for 188.6 days and collects up to 32.87" (835mm) of precipitation.

Snowfall

January through April, October through December are months with snowfall. In January, in Castell Springs, it is snowing for 9.3 days. Throughout January, 3.23" (82mm) of snow is accumulated. Throughout the year, there are 31.5 snowfall days, and 12.76" (324mm) of snow is accumulated.

Daylight

The average length of the day in January in Castell Springs is 10h and 1min.
On the first day of the month, sunrise is at 7:42 am and sunset at 5:27 pm. On the last day of January, in Castell Springs, sunrise is at 7:33 am and sunset at 5:56 pm EST.

Sunshine

With an average of 5.1h of sunshine, January has the least sunshine of the year.

UV index

The months with the lowest UV index in Castell Springs are January, February and December, with an average maximum UV index of 2. A UV Index reading of 2, and below, represents a minimal health hazard from unprotected exposure to Sun's UV rays for ordinary individuals.
Note: During January, 2 as the daily maximum UV index converts into the following advice:
Although prolonged sun exposure does not typically bother most people, children, babies, and those with sensitive skin should always have protection. Avoid the Sun's strongest UV rays by seeking shade and limiting exposure during midday. For effective sun eye protection, rely on sunglasses certified for UVA and UVB resistance. Heads up! The UV radiation from the Sun can almost be doubled by snow reflection.
Updated: Feb 14, 2024
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate

Frequently asked questions

What is the coldest time of year in Castell Springs?

January, with average temperatures reaching a high of 43.2°F (6.2°C) and a low of 27.3°F (-2.6°C), is the coldest month.

How cold is it in Castell Springs in January?

In Castell Springs, in January, the average high-temperature is 43.2°F (6.2°C), and the average low-temperature is 27.3°F (-2.6°C).

What is the average humidity in January in Castell Springs?

The average relative humidity in January in Castell Springs is 77%.

How many days does it rain in January in Castell Springs?

In January, the rain falls for 14.3 days. Throughout January, 2.68" (68mm) of precipitation is accumulated.

How many days does it snow in January in Castell Springs?

In Castell Springs, in January, snow falls for 9.3 days, with typically accumulated 3.23" (82mm) of snow.

What is the average length of the day in January in Castell Springs?

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

When are sunrise and sunset in January in Castell Springs?

On the first day of January, sunrise is at 7:42 am and sunset at 5:27 pm. On the last day of the month, sunrise is at 7:33 am and sunset at 5:56 pm EST.

What is the month with the least sunshine in Castell Springs?

With an average of 5.1h of sunshine, January has the least sunshine of the year in Castell Springs.

How long on average sun shines in January in Castell Springs?

The average sunshine duration in January in Castell Springs, Tennessee, is 5.1h.

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

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 Castell Springs?

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

Average temperature in January - Castell Springs, TN
  • Average high temperature in January: 43.2°F

The warmest month (with the highest average high temperature) is July (84.6°F).
The month with the lowest average high temperature is January (43.2°F).

  • Average low temperature in January: 27.3°F

The month with the highest average low temperature is July (62.4°F).
The coldest month (with the lowest average low temperature) is January (27.3°F).

Average pressure in January
Castell Springs, TN

Average pressure in January - Castell Springs, TN
  • Average pressure in January: 30.15"Hg

The month with the highest atmospheric pressure is November (30.16"Hg).
The month with the lowest atmospheric pressure is June (29.99"Hg).

Average wind speed in January
Castell Springs, TN

Average wind speed in January - Castell Springs, TN
  • Average wind speed in January: 6.1mph

The windiest month (with the highest average wind speed) is April (6.5mph).
The calmest month (with the lowest average wind speed) is August (3.7mph).

Average humidity in January
Castell Springs, TN

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

The month with the highest relative humidity is December (79%).
The months with the lowest relative humidity are July and August (74%).

Average rainfall in January
Castell Springs, TN

Average rainfall in January - Castell Springs, TN
  • Average rainfall in January: 2.68"

The wettest month (with the highest rainfall) is February (3.39").
The driest month (with the least rainfall) is September (1.65").

Average rainfall days in January
Castell Springs, TN

Average rainfall days in January - Castell Springs, TN
  • Average rainfall days in January: 14.3 days

The month with the highest number of rainy days is July (19.7 days).
The month with the least rainy days is November (11.4 days).

Average snowfall in January
Castell Springs, TN

Average snowfall in January - Castell Springs, TN
  • Average snowfall in January: 3.23"

The month with the highest snowfall is December (4.09").
The months with the least snowfall are May, June, July, August and September (0").

Average snowfall days in January
Castell Springs, TN

Average snowfall days in January - Castell Springs, TN
  • Average snowfall days in January: 9.3 days

The month with the highest number of snowfall days is January (9.3 days).
The months with the least snowfall days are June, July, August and September (0 days).

Average daylight in January /
Average sunshine in January
Castell Springs, TN

Average daylight in January / Average sunshine in January - Castell 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: 5h and 1min

The month with the most sunshine is June (Average sunshine: 10h and 48min).
The month with the least sunshine is January (Average sunshine: 5h and 6min).

Average sunshine days in January
Castell Springs, TN

Average sunshine days in January - Castell Springs, TN
  • Average sunshine days in January: 11.3 days

The month with the most sunshine days is October (16.7 days).
The month with the least sunshine days is July (8.8 days).

Average UV index in January
Castell Springs, TN

Average UV index in January - Castell 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
Castell Springs, TN

Average cloud cover in January - Castell Springs, TN
  • Average cloud cover in January: 48

The month with the most cloud cover is February (Cloud cover 50).
The months with the least cloud cover are June and August (Cloud cover 28).

Average visibility in January
Castell Springs, TN

Average visibility in January - Castell Springs, TN
  • Average visibility in January: 5mi

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

Castell Springs, Tennessee, USA

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