May weather forecast
Alcoa, TN

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).

Temperature

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). In Alcoa, Tennessee, the average low-temperature is 55.4°F (13°C).

Humidity

In Alcoa, the average relative humidity in May is 75%.

Rainfall

In Alcoa, during May, the rain falls for 13.9 days and regularly aggregates up to 1.38" (35mm) of precipitation. Throughout the year, in Alcoa, there are 148.2 rainfall days, and 18.23" (463mm) of precipitation is accumulated.

Snowfall

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

Daylight

In May, the average length of the day in Alcoa is 14h and 4min.
On the first day of May, sunrise is at 6:43 am and sunset at 8:22 pm. On the last day of the month, sunrise is at 6:21 am and sunset at 8:46 pm EDT.

Sunshine

In Alcoa, the average sunshine in May is 10.2h.

UV index

May through August, with an average maximum UV index of 6, are months with the highest UV index. A UV Index estimate of 6 to 7 represents a high health hazard from unprotected exposure to Sun's UV rays for the ordinary person.
Note: The average daily UV index of 6 in May transform into the following instructions:
Take precautions and utilize sun safety practices. Protection against skin and eye damage is required. Seek shade and minimize exposure to direct Sun in a period between 10 a.m. and 4 p.m. when UV radiation is most intense; keep in mind that shade structures like parasols or canopies do not provide perfect sun protection. On bright days sunglasses that block both UVA and UVB rays should be worn. A hat with a wide brim is extremely helpful, as it can prevent roughly 50% of UV radiation from reaching the eyes.
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FAQ

What is the average humidity in May in Alcoa?

In Alcoa, Tennessee, the average relative humidity in May is 75%.

How much does it rain in Alcoa in May?

In Alcoa, Tennessee, in May, during 13.9 rainfall days, 1.38" (35mm) of precipitation is typically accumulated.

When it does not snow in Alcoa?

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

How many hours of daylight does Alcoa have in May?

In May, the average day length in Alcoa, Tennessee, is 14h and 4min.

When is the sunrise / sunset in May in Alcoa?

On the first day of May in Alcoa, sunrise is at 6:43 am and sunset at 8:22 pm. On the last day of the month, sunrise is at 6:21 am and sunset at 8:46 pm EDT.

How many hours of sunshine does Alcoa have in May?

In Alcoa, Tennessee, the average sunshine duration in May is 10.2h.

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

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

What is the UV index reading in May in Alcoa?

In Alcoa, the average daily maximum UV index in May is 6. A UV Index estimate of 6 to 7 represents a high hazard to health from unsafe exposure to Sun's UV rays.
Average humidity
Average rainfall days
Average snowfall
Average snowfall days
Average sunshine days
Average UV index
Average cloud cover
Average visibility

Average temperature in May
Alcoa, TN

Average temperature in May - Alcoa, TN
  • Average high temperature in May: 77.5°F

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).

  • Average low temperature in May: 55.4°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 in May
Alcoa, TN

Average pressure in May - Alcoa, TN
  • Average pressure in May: 30.02"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).

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Average wind speed in May
Alcoa, TN

Average wind speed in May - Alcoa, TN
  • Average wind speed in May: 4.8mph

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 humidity in May
Alcoa, TN

Average humidity in May - Alcoa, TN
  • Average humidity in May: 75%

The month with the highest relative humidity is December (79%).
The month with the lowest relative humidity is August (72%).

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Average rainfall in May
Alcoa, TN

Average rainfall in May - Alcoa, TN
  • Average rainfall in May: 1.38"

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 in May
Alcoa, TN

Average rainfall days in May - Alcoa, TN
  • Average rainfall days in May: 13.9 days

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 in May
Alcoa, TN

Average snowfall in May - Alcoa, TN
  • Average snowfall in May: 0"

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 in May
Alcoa, TN

Average snowfall days in May - Alcoa, TN
  • Average snowfall days in May: 0 days

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 in May /
Average sunshine in May
Alcoa, TN

Average daylight in May / Average sunshine in May - Alcoa, TN
  • Average daylight in May: 14h and 4min

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).

  • Average sunshine in May: 10.2h

The month with the most sunshine is June (Average sunshine: 10.8h).
The month with the least sunshine is January (Average sunshine: 5.1h).

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Average sunshine days in May
Alcoa, TN

Average sunshine days in May - Alcoa, TN
  • Average sunshine days in May: 12.7 days

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 in May
Alcoa, TN

Average UV index in May - Alcoa, TN
  • Average UV index in May: 6

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 cloud cover in May
Alcoa, TN

Average cloud cover in May - Alcoa, TN
  • Average cloud cover in May: 33

The month with the most cloud cover is February (Cloud cover 52).
The month with the least cloud cover is June (Cloud cover 27).

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Average visibility in May
Alcoa, TN

Average visibility in May - Alcoa, TN
  • Average visibility in May: 6mi

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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