May weather forecast
Rockvale, TN

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Weather in May

The last month of the spring, May, is a warm month in Rockvale, Tennessee, with an average temperature varying between 58.5°F (14.7°C) and 77.5°F (25.3°C).

Temperature

May's arrival coincides with a marginal rise in the average high-temperature, moving from April's agreeable 69.4°F (20.8°C) to a moderately hot 77.5°F (25.3°C). Throughout the month of May, Rockvale expects an average low of 58.5°F (14.7°C).

Humidity

The average relative humidity in May is 77%.

Rainfall

In Rockvale, in May, it is raining for 12.7 days, with typically 1.06" (27mm) of accumulated precipitation. In Rockvale, during the entire year, the rain falls for 123.1 days and collects up to 12.76" (324mm) of precipitation.

Snowfall

April through October are months without snowfall.

Daylight

In Rockvale, the average length of the day in May is 14h and 4min.
On the first day of May in Rockvale, sunrise is at 5:52 am and sunset at 7:33 pm. On the last day of the month, sunrise is at 5:31 am and sunset at 7:56 pm CDT.

Sunshine

In Rockvale, the average sunshine in May is 9.5h.

UV index

May through August, with an average maximum UV index of 6, are months with the highest UV index. A UV Index of 6 to 7 symbolizes a high health hazard from exposure to the Sun's UV radiation for average individuals.
Note: The UV index of 6 in May translates into these instructions:
Elude overexposure. Fair-skinned people could get burnt in less than 20 minutes. Limit your direct sun exposure, especially between 10 a.m. and 4 p.m., when UV radiation is strongest. Shade structures might not provide complete sun protection. Limit sun-induced ocular harm with sunglasses that feature UVA and UVB filtration.
Updated: Feb 14, 2024
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate

Frequently asked questions

What is the average May temperature in Rockvale?

During May, Rockvale experiences an average high-temperature of 77.5°F (25.3°C) and a low-temperature of 58.5°F (14.7°C).

What is the average humidity in May in Rockvale?

In May, the average relative humidity in Rockvale is 77%.

How much does it rain in Rockvale in May?

In Rockvale, in May, it is raining for 12.7 days, with typically 1.06" (27mm) of accumulated precipitation.

When it does not snow in Rockvale?

In Rockvale, snow does not fall in April through October.

How many hours of daylight does Rockvale have in May?

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

When is the sunrise / sunset in May in Rockvale?

On the first day of May in Rockvale, Tennessee, sunrise is at 5:52 am and sunset at 7:33 pm. On the last day of the month, sunrise is at 5:31 am and sunset at 7:56 pm CDT.

How many hours of sunshine does Rockvale have in May?

In Rockvale, the average sunshine duration in May is 9.5h.

What is the month with the highest UV index in Rockvale?

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

How high is the UV index in May in Rockvale?

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

Average temperature in May
Rockvale, TN

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

The warmest month (with the highest average high temperature) is July (87.8°F).
The month with the lowest average high temperature is January (45.1°F).

  • Average low temperature in May: 58.5°F

The month with the highest average low temperature is July (68.5°F).
The coldest month (with the lowest average low temperature) is January (30.7°F).

Average pressure in May
Rockvale, TN

Average pressure in May - Rockvale, TN
  • Average pressure in May: 30.01"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 in May
Rockvale, TN

Average wind speed in May - Rockvale, TN
  • Average wind speed in May: 6mph

The windiest month (with the highest average wind speed) is February (8mph).
The calmest months (with the lowest average wind speed) are July and August (4.5mph).

Average humidity in May
Rockvale, TN

Average humidity in May - Rockvale, TN
  • Average humidity in May: 77%

The month with the highest relative humidity is December (79%).
The month with the lowest relative humidity is October (74%).

Average rainfall in May
Rockvale, TN

Average rainfall in May - Rockvale, TN
  • Average rainfall in May: 1.06"

The wettest month (with the highest rainfall) is February (1.5").
The driest month (with the least rainfall) is September (0.39").

Average rainfall days in May
Rockvale, TN

Average rainfall days in May - Rockvale, TN
  • Average rainfall days in May: 12.7 days

The month with the highest number of rainy days is July (13.9 days).
The month with the least rainy days is November (7.3 days).

Average snowfall in May
Rockvale, TN

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

The month with the highest snowfall is February (0.31").
The months with the least snowfall are April, May, June, July, August, September and October (0").

Average snowfall days in May
Rockvale, TN

Average snowfall days in May - Rockvale, TN
  • Average snowfall days in May: 0 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 and September (0 days).

Average daylight in May /
Average sunshine in May
Rockvale, TN

Average daylight in May / Average sunshine in May - Rockvale, TN
  • Average daylight in May: 14h and 1min

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 May: 9h and 3min

The month with the most sunshine is June (Average sunshine: 10h and 36min).
The month with the least sunshine is February (Average sunshine: 4h and 30min).

Average sunshine days in May
Rockvale, TN

Average sunshine days in May - Rockvale, TN
  • Average sunshine days in May: 15.1 days

The month with the most sunshine days is November (21.2 days).
The month with the least sunshine days is July (13.3 days).

Average UV index in May
Rockvale, TN

Average UV index in May - Rockvale, 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).

Average cloud cover in May
Rockvale, TN

Average cloud cover in May - Rockvale, TN
  • Average cloud cover in May: 36

The month with the most cloud cover is February (Cloud cover 53).
The month with the least cloud cover is June (Cloud cover 29).

Average visibility in May
Rockvale, TN

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

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

Rockvale, Tennessee, USA

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