Climate and monthly weather forecastPowell, TN
Climate and monthly weather forecast
Weather in January
January, like December, is another chilly winter month in Powell, Tennessee, with an average temperature varying between 29.3°F (-1.5°C) and 44.8°F (7.1°C). January, recording an average high temperature of 44.8°F (7.1°C) and a low temperature of 29.3°F (-1.5°C), is Powell's coldest month. Weather in January »Weather in February
The last month of the winter, February, is another chilly month in Powell, Tennessee, with an average temperature varying between 49.6°F (9.8°C) and 33.4°F (0.8°C). With February's arrival, Powell notes an average high-temperature of a still chilly 49.6°F (9.8°C), closely following the trend of the preceding month. Weather in February »Weather in March
The first month of the spring, March, is a refreshing month in Powell, Tennessee, with an average temperature varying between 40.1°F (4.5°C) and 58.1°F (14.5°C). As March arrives, Powell's weather shows a minor increase in high-temperatures, edging from February's chilly 49.6°F (9.8°C) to a moderate 58.1°F (14.5°C). Weather in March »Weather in April
April is a pleasant spring month in Powell, Tennessee, with an average temperature varying between 48°F (8.9°C) and 69.3°F (20.7°C). Powell, Tennessee, sees a rise in temperature during April, with average high-temperatures transitioning from a refreshing 58.1°F (14.5°C) in March to a pleasant 69.3°F (20.7°C). Weather in April »Weather in May
May, the last month of the spring in Powell, is a warm month, with an average temperature ranging between max 78.4°F (25.8°C) and min 55.9°F (13.3°C). May's onset brings a temperature rise, moving from an agreeable 69.3°F (20.7°C) in April to a moderately hot 78.4°F (25.8°C). Weather in May »Weather in June
The first month of the summer, June, is a tropical month in Powell, Tennessee, with an average temperature fluctuating between 86°F (30°C) and 63°F (17.2°C). The arrival of June witnesses a small shift in the average high-temperature, moving from a moderately hot 78.4°F (25.8°C) in May to a tropical 86°F (30°C). Weather in June »Weather in July
July, the same as June, in Powell, Tennessee, is another hot summer month, with an average temperature ranging between min 66.7°F (19.3°C) and max 88.9°F (31.6°C). During the warmest month, July, temperatures average a high of 88.9°F (31.6°C) and a low of 66.7°F (19.3°C). The heat index in July is evaluated at a scorching 104°F (40°C). Weather in July »Weather in August
August, the last month of the summer in Powell, is another tropical month, with an average temperature ranging between max 88.2°F (31.2°C) and min 65.5°F (18.6°C). The transition into August reveals an average high-temperature of a still hot 88.2°F (31.2°C), mirroring a close resemblance to July. Weather in August »Weather in September
The first month of the autumn, September, is still a warm month in Powell, Tennessee, with an average temperature fluctuating between 82.2°F (27.9°C) and 59.9°F (15.5°C). The start of September comes with a small reduction in the average high-temperature, subtly receding from a hot 88.2°F (31.2°C) in August to a warm 82.2°F (27.9°C). Weather in September »Weather in October
October, the same as September, in Powell, Tennessee, is another pleasant autumn month, with an average temperature fluctuating between 69.4°F (20.8°C) and 49.1°F (9.5°C). Powell in October demonstrates a small temperature transition, adjusting from an average high of a moderately hot 82.2°F (27.9°C) in September to a pleasant 69.4°F (20.8°C). Weather in October »Weather in November
November, the last month of the autumn in Powell, is another mild month, with temperature in the range of an average high of 57.2°F (14°C) and an average low of 39.2°F (4°C). Powell's weather in November involves a decrease in the average high-temperature, moving down from October's pleasant 69.4°F (20.8°C) to a mild 57.2°F (14°C). Weather in November »Weather in December
December, the first month of the winter in Powell, is also a frosty month, with an average temperature fluctuating between 49.1°F (9.5°C) and 35.1°F (1.7°C). The transition into December subtly indicates a reduction in the average high-temperature, down to a frosty 49.1°F (9.5°C) from November's moderate 57.2°F (14°C). Weather in December »Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature
Powell, TN
The warmest month (with the highest average high temperature) is July (88.9°F).
The month with the lowest average high temperature is January (44.8°F).
The month with the highest average low temperature is July (66.7°F).
The coldest month (with the lowest average low temperature) is January (29.3°F).
Average pressure
Powell, TN
- Average pressure in January:
30.16"Hg - Average pressure in February:
30.12"Hg - Average pressure in March:
30.09"Hg - Average pressure in April:
30"Hg - Average pressure in May:
30.02"Hg - Average pressure in June:
29.98"Hg
- Average pressure in July:
30.01"Hg - Average pressure in August:
30.01"Hg - Average pressure in September:
30.04"Hg - Average pressure in October:
30.06"Hg - Average pressure in November:
30.16"Hg - Average pressure in December:
30.14"Hg
The months with the highest atmospheric pressure are January and November (30.16"Hg).
The month with the lowest atmospheric pressure is June (29.98"Hg).
Average wind speed
Powell, TN
- Average wind speed in January:
5.5mph - Average wind speed in February:
5.8mph - Average wind speed in March:
5.7mph - Average wind speed in April:
6mph - Average wind speed in May:
4.9mph - Average wind speed in June:
4.5mph
- Average wind speed in July:
4mph - Average wind speed in August:
3.8mph - Average wind speed in September:
4mph - Average wind speed in October:
4.7mph - Average wind speed in November:
4.7mph - Average wind speed in December:
5.2mph
The windiest month (with the highest average wind speed) is April (6mph).
The calmest month (with the lowest average wind speed) is August (3.8mph).
Average humidity
Powell, TN
The months with the highest relative humidity are February and December (78%).
The month with the lowest relative humidity is August (70%).
Average rainfall
Powell, TN
- Average rainfall in January:
2.48" - Average rainfall in February:
3.66" - Average rainfall in March:
2.52" - Average rainfall in April:
2.8" - Average rainfall in May:
2.13" - Average rainfall in June:
2.44"
- Average rainfall in July:
2.76" - Average rainfall in August:
2.01" - Average rainfall in September:
1.5" - Average rainfall in October:
2.09" - Average rainfall in November:
2.13" - Average rainfall in December:
3.07"
The wettest month (with the highest rainfall) is February (3.66").
The driest month (with the least rainfall) is September (1.5").
Average rainfall days
Powell, TN
- Average rainfall days in January:
10.9 days - Average rainfall days in February:
11.2 days - Average rainfall days in March:
14.1 days - Average rainfall days in April:
13.8 days - Average rainfall days in May:
14.9 days - Average rainfall days in June:
12.8 days
- Average rainfall days in July:
16.2 days - Average rainfall days in August:
14.3 days - Average rainfall days in September:
11.3 days - Average rainfall days in October:
8.8 days - Average rainfall days in November:
8.4 days - Average rainfall days in December:
12.2 days
The month with the highest number of rainy days is July (16.2 days).
The month with the least rainy days is November (8.4 days).
Average snowfall
Powell, TN
The month with the highest snowfall is February (1.57").
The months with the least snowfall are May, June, July, August, September and October (0").
Average snowfall days
Powell, TN
- Average snowfall days in January:
3.8 days - Average snowfall days in February:
3.3 days - Average snowfall days in March:
1.7 days - Average snowfall days in April:
0.3 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 days - Average snowfall days in November:
0.7 days - Average snowfall days in December:
1.7 days
The month with the highest number of snowfall days is January (3.8 days).
The months with the least snowfall days are May, June, July, August, September and October (0 days).
Average daylight / Average sunshine
Powell, TN
- Average daylight in January:
10h and 0min - 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 36min
- 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 36min).
The month with the shortest days is December (Average daylight: 9h and 48min).
- Average sunshine in January:
4h and 54min - Average sunshine in February:
5h and 42min - Average sunshine in March:
6h and 30min - Average sunshine in April:
8h and 18min - Average sunshine in May:
9h and 54min - Average sunshine in June:
10h and 36min
- Average sunshine in July:
10h and 24min - Average sunshine in August:
9h and 54min - Average sunshine in September:
8h and 36min - Average sunshine in October:
7h and 0min - Average sunshine in November:
5h and 54min - Average sunshine in December:
5h and 0min
The month with the most sunshine is June (Average sunshine: 10h and 36min).
The month with the least sunshine is January (Average sunshine: 4h and 54min).
Average sunshine days
Powell, TN
- Average sunshine days in January:
17 days - Average sunshine days in February:
14.1 days - Average sunshine days in March:
14 days - Average sunshine days in April:
14.3 days - Average sunshine days in May:
13.8 days - Average sunshine days in June:
14.2 days
- Average sunshine days in July:
12.9 days - Average sunshine days in August:
14.6 days - Average sunshine days in September:
17.4 days - Average sunshine days in October:
20.5 days - Average sunshine days in November:
20 days - Average sunshine days in December:
17 days
The month with the most sunshine days is October (20.5 days).
The month with the least sunshine days is July (12.9 days).
Average UV index
Powell, 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 cloud cover
Powell, TN
The month with the most cloud cover is February (Cloud cover 54).
The month with the least cloud cover is June (Cloud cover 28).
Average visibility
Powell, TN
The months with the highest visibility are February, March, April, May, June, July, August, September, October, November and December (6mi).
The month with the lowest visibility is January (5mi).





