Climate and monthly weather forecastDeason, TN
Climate and monthly weather forecast
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
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
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.
Throughout the year, there are 167.2 rainfall days, and 38.78" (985mm) of precipitation is accumulated.
January through April, November and December are months with snowfall.
Throughout the year, there are 10.7 snowfall days, and 2.83" (72mm) of snow is accumulated.
The months with the lowest UV index are January and December, with an average maximum UV index of 2.
February is the month with the most rainfall. Rain falls for 12.4 days and accumulates 4.33" (110mm) of precipitation.
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.
February has the least sunshine of the year, with an average of 4.3h of sunshine.
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.
In Deason, Tennessee, snow does not fall in May through October.
May through August, with an average maximum UV index of 6, are months with the highest UV index.
June has the longest days of the year, with an average of 14h and 30min of daylight.
June has the most sunshine of the year in Deason, with an average of 10.4h of sunshine.
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.
September is the month with the least rainfall. Rain falls for 13.2 days and accumulates 2.09" (53mm) of precipitation.
With an average relative humidity of 74%, October is the least humid month.
With an average relative humidity of 80%, December is the most humid month.
December has the shortest days of the year, with an average of 9h and 48min of daylight.
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 in January:
30.17"Hg - Average pressure in February:
30.13"Hg - Average pressure in March:
30.09"Hg - Average pressure in April:
30"Hg - Average pressure in May:
30.01"Hg - Average pressure in June:
29.97"Hg
- Average pressure in July:
30"Hg - Average pressure in August:
30"Hg - Average pressure in September:
30.03"Hg - Average pressure in October:
30.06"Hg - Average pressure in November:
30.16"Hg - Average pressure in December:
30.15"Hg
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 in January:
8.1mph - Average wind speed in February:
8.5mph - Average wind speed in March:
8.2mph - Average wind speed in April:
8.1mph - Average wind speed in May:
6.3mph - Average wind speed in June:
5.3mph
- Average wind speed in July:
4.7mph - Average wind speed in August:
4.8mph - Average wind speed in September:
5.2mph - Average wind speed in October:
6.5mph - Average wind speed in November:
7.2mph - Average wind speed in December:
8mph
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
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 in January:
3.27" - Average rainfall in February:
4.33" - Average rainfall in March:
2.87" - Average rainfall in April:
3.58" - Average rainfall in May:
2.91" - Average rainfall in June:
3.31"
- Average rainfall in July:
4.29" - Average rainfall in August:
3.78" - Average rainfall in September:
2.09" - Average rainfall in October:
2.64" - Average rainfall in November:
2.36" - Average rainfall in December:
3.35"
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 in January:
11.7 days - Average rainfall days in February:
12.4 days - Average rainfall days in March:
14.7 days - Average rainfall days in April:
13.9 days - Average rainfall days in May:
15.9 days - Average rainfall days in June:
17.1 days
- Average rainfall days in July:
19.5 days - Average rainfall days in August:
17.3 days - Average rainfall days in September:
13.2 days - Average rainfall days in October:
10.5 days - Average rainfall days in November:
8.9 days - Average rainfall days in December:
12.1 days
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
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 in January:
3.1 days - Average snowfall days in February:
2.9 days - Average snowfall days in March:
1.3 days - Average snowfall days in April:
0.2 days - Average snowfall days in May:
0 days - Average snowfall days in June:
0 days
- Average snowfall days in July:
0 days - Average snowfall days in August:
0 days - Average snowfall days in September:
0 days - Average snowfall days in October:
0.3 days - Average snowfall days in November:
0.9 days - Average snowfall days in December:
2 days
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 in January:
10h and 6min - Average daylight in February:
10h and 54min - Average daylight in March:
12h and 0min - Average daylight in April:
13h and 6min - Average daylight in May:
14h and 6min - Average daylight in June:
14h and 30min
- Average daylight in July:
14h and 18min - Average daylight in August:
13h and 30min - Average daylight in September:
12h and 24min - Average daylight in October:
11h and 18min - Average daylight in November:
10h and 18min - Average daylight in December:
9h and 48min
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).
- Average sunshine in January:
4h and 30min - Average sunshine in February:
4h and 18min - Average sunshine in March:
5h and 48min - Average sunshine in April:
8h and 48min - Average sunshine in May:
9h and 18min - Average sunshine in June:
10h and 24min
- Average sunshine in July:
10h and 0min - Average sunshine in August:
9h and 54min - Average sunshine in September:
8h and 18min - Average sunshine in October:
6h and 54min - Average sunshine in November:
5h and 30min - Average sunshine in December:
4h and 36min
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 in January:
17.2 days - Average sunshine days in February:
12.9 days - Average sunshine days in March:
13.2 days - Average sunshine days in April:
14.5 days - Average sunshine days in May:
13.5 days - Average sunshine days in June:
10.4 days
- Average sunshine days in July:
10.1 days - Average sunshine days in August:
12.1 days - Average sunshine days in September:
15.5 days - Average sunshine days in October:
19.9 days - Average sunshine days in November:
18.9 days - Average sunshine days in December:
16.7 days
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
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 cloud cover
Deason, TN
The month with the most cloud cover is February (Cloud cover 54).
The month with the least cloud cover is June (Cloud cover 31).
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).
