Climate and monthly 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). 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). Weather in January »

Weather in February

The last month of the winter, February, is another chilly month in Castell Springs, Tennessee, with an average temperature fluctuating between 48°F (8.9°C) and 30.9°F (-0.6°C). The commencement of February notes an average high-temperature of a still frosty 48°F (8.9°C), exhibiting little difference from the previous month. Weather in February »

Weather in March

March, the first month of the spring in Castell Springs, is a mild month, with an average temperature varying between 56.1°F (13.4°C) and 37.8°F (3.2°C). With the onset of March, Castell Springs observes a minor temperature ascent, with the average high-temperature adjusting from February's chilly 48°F (8.9°C) to a mild 56.1°F (13.4°C). Weather in March »

Weather in April

April is a refreshing spring month in Castell Springs, Tennessee, with temperature in the range of an average low of 45.9°F (7.7°C) and an average high of 66.4°F (19.1°C). The onset of April brings a rise in the average high-temperature, elevating from a moderate 56.1°F (13.4°C) in March to an enjoyable 66.4°F (19.1°C). Weather in April »

Weather in May

May, the last month of the spring in Castell Springs, is a moderately hot month, with an average temperature varying between 53.2°F (11.8°C) and 74.8°F (23.8°C). With the onset of May, the average high-temperature subtly transitions from a comfortable 66.4°F (19.1°C) in April to a moderately hot 74.8°F (23.8°C). Weather in May »

Weather in June

The first month of the summer, June, is also a moderately hot month in Castell Springs, Tennessee, with temperature in the range of an average low of 58.8°F (14.9°C) and an average high of 81.7°F (27.6°C). The commencement of June sees a minor shift in the average high-temperature, moving from 74.8°F (23.8°C) in May to a still warm 81.7°F (27.6°C). Weather in June »

Weather in July

July, the same as June, is a moderately hot summer month in Castell Springs, Tennessee, with an average temperature varying between 62.4°F (16.9°C) and 84.6°F (29.2°C). In Castell Springs, temperatures reach their average annual highs in July, measuring 84.6°F (29.2°C) and a minimum average of 62.4°F (16.9°C). For most parts of July, the heat index is appraised at a hot 93.2°F (34°C). Weather in July »

Weather in August

The last month of the summer, August, is also a moderately hot month in Castell Springs, Tennessee, with an average temperature fluctuating between 61.2°F (16.2°C) and 83.8°F (28.8°C). August's commencement is accompanied by an average high-temperature of a still warm 83.8°F (28.8°C), diverging marginally from July's 84.6°F (29.2°C). Weather in August »

Weather in September

The first month of the autumn, September, is still a warm month in Castell Springs, Tennessee, with an average temperature fluctuating between 56.5°F (13.6°C) and 79°F (26.1°C). September's average high-temperature stands at a still moderately hot 79°F (26.1°C), showing little deviation from August's 83.8°F (28.8°C). Weather in September »

Weather in October

October, the same as September, is another enjoyable autumn month in Castell Springs, Tennessee, with an average temperature varying between 46°F (7.8°C) and 67.1°F (19.5°C). The average high-temperature decreases in October, shifting from a moderately hot 79°F (26.1°C) in September to a comfortable 67.1°F (19.5°C). Weather in October »

Weather in November

November, the last month of the autumn in Castell Springs, is another mild month, with an average temperature varying between 36.7°F (2.6°C) and 55.6°F (13.1°C). November's arrival coincides with a drop in the average high-temperature, decreasing from October's enjoyable 67.1°F (19.5°C) to a still refreshing 55.6°F (13.1°C). Weather in November »

Weather in December

December, the first month of the winter in Castell Springs, is still a chilly month, with temperature in the range of an average high of 47.5°F (8.6°C) and an average low of 32.9°F (0.5°C). The start of December involves a subtle temperature drop, shifting from a refreshing 55.6°F (13.1°C) in November to a frosty 47.5°F (8.6°C). Weather in December »
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 many days does it rain in Castell Springs?

Throughout the year, in Castell Springs, Tennessee, there are 188.6 rainfall days, and 32.87" (835mm) of precipitation is accumulated.

When does it snow in Castell Springs?

Months with snowfall in Castell Springs, Tennessee, are January through April, October through December.

How many days does it snow in Castell Springs?

In Castell Springs, during the entire year, snow falls for 31.5 days and aggregates up to 12.76" (324mm) of snow.

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.

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

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

What is the wettest month in Castell Springs?

February is the month with the most rainfall in Castell Springs. Rain falls for 14.1 days and accumulates 3.39" (86mm) of precipitation.

When is Daylight Saving Time (DST) in Castell Springs?

On Sunday, March 10. 2024, at 2:00 am, Daylight Saving Time starts, and the time zone changes from EST to EDT. Daylight Saving Time ends Sunday, November 3. 2024, at 2:00 am, and the time zone reverts from EDT to EST.

When it does not snow in Castell Springs?

May through September are months without snowfall in Castell Springs.

When is the highest UV index in Castell Springs?

The months with the highest UV index are May through August, with an average maximum UV index of 6.

When are the longest days in Castell Springs?

The month with the longest days is June, with an average of 14h and 36min of daylight.

What month has the most sunshine in Castell Springs?

June has the most sunshine of the year, with an average of 10.8h of sunshine.

What is the warmest month in Castell Springs?

Castell Springs's July weather reaches an average high of 84.6°F (29.2°C) and an average low of 62.4°F (16.9°C), making it the warmest month.

What is the least humid month in Castell Springs?

The months with the lowest humidity in Castell Springs are July and August, with an average relative humidity of 74%.

What is the driest month in Castell Springs?

The month with the least rainfall in Castell Springs is September, when the rain falls for 14.2 days and typically collects 1.65" (42mm) of precipitation.

What is the most humid month in Castell Springs?

The most humid month is December, with an average relative humidity of 79%.

What is the snowiest month in Castell Springs?

December is the month with the most snowfall in Castell Springs, Tennessee. Snow falls for 6 days and accumulates 4.09" (104mm) of snow.

What is the month with the shortest days in Castell Springs?

The month with the shortest days in Castell Springs, Tennessee, is December, with an average of 9h and 42min of daylight.

Average temperature
Castell Springs, TN

Average temperature - Castell Springs, TN

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).

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
Castell Springs, TN

Average pressure - Castell Springs, TN

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
Castell Springs, TN

Average wind speed - Castell Springs, TN

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
Castell Springs, TN

Average humidity - Castell Springs, TN

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

Average rainfall
Castell Springs, TN

Average rainfall - Castell Springs, TN

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
Castell Springs, TN

Average rainfall days - Castell Springs, TN

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
Castell Springs, TN

Average snowfall - Castell Springs, TN

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
Castell Springs, TN

Average snowfall days - Castell Springs, TN

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 / Average sunshine
Castell Springs, TN

Average daylight / Average sunshine - Castell Springs, TN

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).

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
Castell Springs, TN

Average sunshine days - Castell Springs, TN

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
Castell Springs, TN

Average UV index - Castell Springs, TN

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 visibility
Castell Springs, TN

Average visibility - Castell Springs, TN

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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