Climate and monthly weather forecast
Alcoa, TN

Weather in January

January, the same as December, in Alcoa, Tennessee, is another chilly winter month, with temperature in the range of an average high of 44.8°F (7.1°C) and an average low of 29.5°F (-1.4°C). January is the coldest month, with an average high-temperature of 44.8°F (7.1°C) and an average low-temperature of 29.5°F (-1.4°C). Weather in January »

Weather in February

February, the last month of the winter in Alcoa, is another chilly month, with temperature in the range of an average low of 33.4°F (0.8°C) and an average high of 49.6°F (9.8°C). In Alcoa, Tennessee, the average high-temperature in February is essentially the same as in January - a still chilly 49.6°F (9.8°C). Weather in February »

Weather in March

March, the first month of the spring in Alcoa, is a mild month, with temperature in the range of an average high of 57.7°F (14.3°C) and an average low of 40.3°F (4.6°C). In March, the average high-temperature slightly increases from a chilly 49.6°F (9.8°C) in February to a moderate 57.7°F (14.3°C). Weather in March »

Weather in April

April is an agreeable spring month in Alcoa, Tennessee, with an average temperature ranging between min 47.8°F (8.8°C) and max 68.5°F (20.3°C). In April, the average high-temperature increases from a mild 57.7°F (14.3°C) in March to a pleasant 68.5°F (20.3°C). Weather in April »

Weather in May

May, the last month of the spring in Alcoa, is a moderately hot month, with temperature in the range of an average high of 77.5°F (25.3°C) and an average low of 55.4°F (13°C). In May, the average high-temperature rises from a pleasant 68.5°F (20.3°C) in April to a warm 77.5°F (25.3°C). Weather in May »

Weather in June

The first month of the summer, June, is also a moderately hot month in Alcoa, Tennessee, with temperature in the range of an average high of 84.6°F (29.2°C) and an average low of 61.9°F (16.6°C). In Alcoa, the average high-temperature in June slightly increases from a warm 77.5°F (25.3°C) in May to a still moderately hot 84.6°F (29.2°C). Weather in June »

Weather in July

July in Alcoa, Tennessee, is a tropical summer month, with an average temperature varying between 87.6°F (30.9°C) and 65.5°F (18.6°C). The warmest month is July, with an average high-temperature of 87.6°F (30.9°C) and an average low-temperature of 65.5°F (18.6°C). The average heat index in July is appraised at a very hot 100.8°F (38.2°C). Weather in July »

Weather in August

August, the last month of the summer in Alcoa, is also a hot month, with an average temperature varying between 64.4°F (18°C) and 86.7°F (30.4°C). In August, the average high-temperature is relatively the same as in July - a still hot 86.7°F (30.4°C). Weather in August »

Weather in September

The first month of the autumn, September, is also a moderately hot month in Alcoa, Tennessee, with an average temperature ranging between max 81.1°F (27.3°C) and min 59.9°F (15.5°C). In Alcoa, the average high-temperature in September marginally drops from a tropical 86.7°F (30.4°C) in August to a moderately hot 81.1°F (27.3°C). Weather in September »

Weather in October

October, like September, is an agreeable autumn month in Alcoa, Tennessee, with an average temperature fluctuating between 69.1°F (20.6°C) and 48.4°F (9.1°C). In October, the average high-temperature decreases from a warm 81.1°F (27.3°C) in September to a pleasant 69.1°F (20.6°C). Weather in October »

Weather in November

The last month of the autumn, November, is another mild month in Alcoa, Tennessee, with temperature in the range of an average low of 39.2°F (4°C) and an average high of 57.2°F (14°C). In Alcoa, the average high-temperature in November decreases from a pleasant 69.1°F (20.6°C) in October to a mild 57.2°F (14°C). Weather in November »

Weather in December

December, the first month of the winter in Alcoa, is also a frosty month, with an average temperature ranging between min 35.2°F (1.8°C) and max 49.5°F (9.7°C). In December, the average high-temperature marginally drops from a mild 57.2°F (14°C) in November to a chilly 49.5°F (9.7°C). Weather in December »
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FAQ

What is the coldest month in Alcoa?

The coldest month in Alcoa is January, with an average high-temperature of 44.8°F (7.1°C) and an average low-temperature of 29.5°F (-1.4°C).

How much does it rain in Alcoa?

Throughout the year, in Alcoa, there are 148.2 rainfall days, and 18.23" (463mm) of precipitation is accumulated.

When does it snow in Alcoa?

Months with snowfall in Alcoa are January through March, October through December.

How many days does it snow in Alcoa?

Throughout the year, in Alcoa, Tennessee, there are 18.9 snowfall days, and 3.58" (91mm) of snow is accumulated.

What is the month with the least sunshine in Alcoa?

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

What is the month with the lowest UV index in Alcoa?

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

When does it snow the most in Alcoa?

The month with the most snowfall in Alcoa is February, when snow falls for 5.1 days and typically aggregates up to 0.98" (25mm) of snow.

When is Daylight Saving Time (DST) in Alcoa?

On Sunday, March 13. 2022, at 2:00 am, Daylight Saving Time starts, and the time zone changes from EST to EDT. Daylight Saving Time ends Sunday, November 6. 2022, at 2:00 am, and the time zone reverts from EDT to EST.

When it does not snow in Alcoa?

In Alcoa, snow does not fall in April through September.

What are the months with the highest UV index in Alcoa?

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

When are the longest days in Alcoa?

With an average of 14h and 33min of daylight, June has the longest days of the year in Alcoa, Tennessee.

What month has the most sunshine in Alcoa?

The month with the most sunshine in Alcoa, Tennessee, is June, with an average of 10.8h of sunshine.

What is the warmest month in Alcoa?

July is the warmest month in Alcoa, Tennessee, with an average high-temperature of 87.6°F (30.9°C) and an average low-temperature of 65.5°F (18.6°C).

What is the wettest month in Alcoa?

July is the month with the most rainfall. Rain falls for 16.3 days and accumulates 2.2" (56mm) of precipitation.

What is the least humid month in Alcoa?

With an average relative humidity of 72%, August is the least humid month.

What is the driest month in Alcoa?

September is the month with the least rainfall in Alcoa. Rain falls for 10.6 days and accumulates 0.94" (24mm) of precipitation.

What is the most humid month in Alcoa?

With an average relative humidity of 79%, December is the most humid month.

What is the month with the shortest days in Alcoa?

With an average of 9h and 47min of daylight, December has the shortest days of the year.

Average temperature
Alcoa, TN

Average temperature - Alcoa, TN

The warmest month (with the highest average high temperature) is July (87.6°F).
The month with the lowest average high temperature is January (44.8°F).

The month with the highest average low temperature is July (65.5°F).
The coldest month (with the lowest average low temperature) is January (29.5°F).

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Average pressure
Alcoa, TN

Average pressure - Alcoa, TN

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).

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Average wind speed
Alcoa, TN

Average wind speed - Alcoa, TN

The windiest month (with the highest average wind speed) is April (5.9mph).
The calmest month (with the lowest average wind speed) is August (3.6mph).

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Average rainfall
Alcoa, TN

Average rainfall - Alcoa, TN

The wettest month (with the highest rainfall) is July (2.2").
The driest month (with the least rainfall) is September (0.94").

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Average rainfall days
Alcoa, TN

Average rainfall days - Alcoa, TN

The month with the highest number of rainy days is July (16.3 days).
The month with the least rainy days is November (8.7 days).

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Average snowfall
Alcoa, TN

Average snowfall - Alcoa, TN

The month with the highest snowfall is February (0.98").
The months with the least snowfall are April, May, June, July, August and September (0").

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Average snowfall days
Alcoa, TN

Average snowfall days - Alcoa, TN

The month with the highest number of snowfall days is January (5.4 days).
The months with the least snowfall days are May, June, July, August and September (0 days).

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Average daylight / Average sunshine
Alcoa, TN

Average daylight / Average sunshine - Alcoa, TN

The month with the longest days is June (Average daylight: 14h and 33min).
The month with the shortest days is December (Average daylight: 9h and 47min).

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).

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Average sunshine days
Alcoa, TN

Average sunshine days - Alcoa, TN

The month with the most sunshine days is November (19.3 days).
The months with the least sunshine days are February and July (12.5 days).

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Average UV index
Alcoa, TN

Average UV index - Alcoa, 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).

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Average visibility
Alcoa, TN

Average visibility - Alcoa, TN

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

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