Climate and monthly weather forecast
Deason, TN

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Weather in January

January, like December, is another chilly winter month in Deason, Tennessee, with an average temperature varying between 31.3°F (-0.4°C) and 45.5°F (7.5°C). The coldest month is January, with an average high-temperature of 45.5°F (7.5°C) and an average low-temperature of 31.3°F (-0.4°C). Weather in January »

Weather in February

The last month of the winter, February, is a fresh month in Deason, Tennessee, with an average temperature varying between 50.5°F (10.3°C) and 35.1°F (1.7°C). February's onset sees an average high-temperature of a fresh 50.5°F (10.3°C), exhibiting a slight fluctuation from the previous month. Weather in February »

Weather in March

The first month of the spring, March, is a mild month in Deason, Tennessee, with an average temperature fluctuating between 42.3°F (5.7°C) and 59°F (15°C). With the onset of March, Deason's average high-temperature sees a modest rise, moving from February's cool 50.5°F (10.3°C) to a mild 59°F (15°C). Weather in March »

Weather in April

April in Deason, Tennessee, is an agreeable spring month, with temperature in the range of an average high of 68.9°F (20.5°C) and an average low of 49.6°F (9.8°C). As Deason transitions into April, the average high-temperature is observed to rise from a refreshing 59°F (15°C) in March to a pleasant 68.9°F (20.5°C). Weather in April »

Weather in May

May, the last month of the spring in Deason, is a moderately hot month, with an average temperature ranging between min 58.1°F (14.5°C) and max 77.5°F (25.3°C). Entering May, Deason notices a subtle temperature elevation, with the average high-temperature advancing from April's pleasant 68.9°F (20.5°C) to a warm 77.5°F (25.3°C). Weather in May »

Weather in June

The first month of the summer, June, is still a warm month in Deason, Tennessee, with temperature in the range of an average low of 65.5°F (18.6°C) and an average high of 85.3°F (29.6°C). The onset of June introduces a subtle rise in the average high-temperature, nudging from a moderately hot 77.5°F (25.3°C) in May to a still warm 85.3°F (29.6°C). Weather in June »

Weather in July

July in Deason, Tennessee, is a hot summer month, with an average temperature ranging between max 87.3°F (30.7°C) and min 67.8°F (19.9°C). July, with its high-temperature average of 87.3°F (30.7°C) and a low-temperature average of 67.8°F (19.9°C), is the warmest month. During July, the heat index is computed to be a torrid 102.2°F (39°C). Weather in July »

Weather in August

The last month of the summer, August, is another tropical month in Deason, Tennessee, with an average temperature fluctuating between 86.5°F (30.3°C) and 67.1°F (19.5°C). An average high-temperature of a still tropical 86.5°F (30.3°C) marks August, exhibiting a close resemblance to the conditions in July. Weather in August »

Weather in September

September, the first month of the autumn in Deason, is still a warm month, with an average temperature varying between 61.9°F (16.6°C) and 81.1°F (27.3°C). The onset of September entails a subtle temperature shift, as the average high-temperature eases from a tropical 86.5°F (30.3°C) in August to a warm 81.1°F (27.3°C). Weather in September »

Weather in October

October, the same as September, in Deason, Tennessee, is an agreeable autumn month, with an average temperature ranging between max 69.8°F (21°C) and min 50.5°F (10.3°C). October's arrival coincides with a drop in the average high-temperature, decreasing from September's moderately hot 81.1°F (27.3°C) to an agreeable 69.8°F (21°C). Weather in October »

Weather in November

November, the last month of the autumn in Deason, is also a moderate month, with an average temperature varying between 57.6°F (14.2°C) and 40.5°F (4.7°C). Deason in November demonstrates a small temperature transition, adjusting from an average high of an agreeable 69.8°F (21°C) in October to a moderate 57.6°F (14.2°C). Weather in November »

Weather in December

December, the first month of the winter in Deason, is also a fresh month, with an average temperature varying between 50°F (10°C) and 36.3°F (2.4°C). The onset of December is marked by a minor decrease in temperature, transitioning from a mild 57.6°F (14.2°C) in November to a cool 50°F (10°C). Weather in December »
Updated: Aug 10, 2024
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate

Frequently asked questions

What is the coldest time of year?

With its average high temperature of 45.5°F (7.5°C) and a low of 31.3°F (-0.4°C), January is regarded as the coldest month.

How many days does it rain?

Throughout the year, there are 167.2 rainfall days, and 38.78" (985mm) of precipitation is accumulated.

When does it snow?

January through April, November and December are months with snowfall.

How much does it snow?

Throughout the year, there are 10.7 snowfall days, and 2.83" (72mm) of snow is accumulated.

What is the month with the lowest UV index?

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

What is the rainiest month?

February is the month with the most rainfall. Rain falls for 12.4 days and accumulates 4.33" (110mm) of precipitation.

When does it snow the most?

The month with the most snowfall is February, when snow falls for 2.9 days and typically aggregates up to 1.02" (26mm) of snow.

What is the month with the least sunshine?

February has the least sunshine of the year, with an average of 4.3h of sunshine.

When is Daylight Saving Time (DST)?

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

When it does not snow in Deason?

In Deason, Tennessee, snow does not fall in May through October.

What is the month with the highest UV index?

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

When are the longest days?

June has the longest days of the year, with an average of 14h and 30min of daylight.

What month has the most sunshine?

June has the most sunshine of the year in Deason, with an average of 10.4h of sunshine.

What is the hottest time of year?

With average temperatures fluctuating between a high of 87.3°F (30.7°C) and a low of 67.8°F (19.9°C), July stands out as the warmest month.

What is the driest month?

September is the month with the least rainfall. Rain falls for 13.2 days and accumulates 2.09" (53mm) of precipitation.

What is the least humid month in Deason?

With an average relative humidity of 74%, October is the least humid month.

What is the most humid month?

With an average relative humidity of 80%, December is the most humid month.

What is the month with the shortest days in Deason?

December has the shortest days of the year, with an average of 9h and 48min of daylight.

Average temperature
Deason, TN

Average temperature - Deason, TN

The warmest month (with the highest average high temperature) is July (87.3°F).
The month with the lowest average high temperature is January (45.5°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 (31.3°F).

Average pressure
Deason, TN

Average pressure - Deason, TN

The month with the highest atmospheric pressure is January (30.17"Hg).
The month with the lowest atmospheric pressure is June (29.97"Hg).

Average wind speed
Deason, TN

Average wind speed - Deason, TN

The windiest month (with the highest average wind speed) is February (8.5mph).
The calmest month (with the lowest average wind speed) is July (4.7mph).

Average humidity
Deason, TN

Average humidity - Deason, TN

The month with the highest relative humidity is December (80%).
The month with the lowest relative humidity is October (74%).

Average rainfall
Deason, TN

Average rainfall - Deason, TN

The wettest month (with the highest rainfall) is February (4.33").
The driest month (with the least rainfall) is September (2.09").

Average rainfall days
Deason, TN

Average rainfall days - Deason, TN

The month with the highest number of rainy days is July (19.5 days).
The month with the least rainy days is November (8.9 days).

Average snowfall
Deason, TN

Average snowfall - Deason, TN

The month with the highest snowfall is February (1.02").
The months with the least snowfall are May, June, July, August, September and October (0").

Average snowfall days
Deason, TN

Average snowfall days - Deason, TN

The month with the highest number of snowfall days is January (3.1 days).
The months with the least snowfall days are May, June, July, August and September (0 days).

Average daylight / Average sunshine
Deason, TN

Average daylight / Average sunshine - Deason, TN

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).

The month with the most sunshine is June (Average sunshine: 10h and 24min).
The month with the least sunshine is February (Average sunshine: 4h and 18min).

Average sunshine days
Deason, TN

Average sunshine days - Deason, TN

The month with the most sunshine days is October (19.9 days).
The month with the least sunshine days is July (10.1 days).

Average UV index
Deason, TN

Average UV index - Deason, 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 and December (UV index 2).

Average visibility
Deason, TN

Average visibility - Deason, TN

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

Deason, Tennessee, USA

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