May weather forecast
Smyrna, TN

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Weather in May

May signifies the onset of summer in Smyrna, which shows in a notable increase in average daily temperatures, making it a pleasant reprieve from the previous month's chill. Meanwhile, the negligible snowfall levels turn the town's weather predictably sunny, with bright, sunny days becoming the norm rather than the exception. Despite this, the changing winds color the landscape with alternating patches of sunshine and clouds, adding character to the otherwise uniform weather. The month certainly doesn't shy away from maintaining variety, with sporadic showers adding an element of unpredictability. While May be warmer than April, it still retains an element of the bracing spring chill, making it an invigorating month weather-wise.

Temperature

As Smyrna, Tennessee, welcomes May, the average high-temperature sees a modest rise, transitioning from an agreeable 69.8°F (21°C) in April to a warm 78.3°F (25.7°C). Throughout May, the temperature falls to an average low of 59°F (15°C).

Humidity

In May, the average relative humidity is 76%.

Rainfall

In Smyrna, Tennessee, in May, during 14.9 rainfall days, 1.85" (47mm) of precipitation is typically accumulated. Throughout the year, there are 150.1 rainfall days, and 24.41" (620mm) of precipitation is accumulated.

Snowfall

May through October are months without snowfall.

Daylight

In May, the average length of the day is 14h and 5min.
On the first day of May, sunrise is at 5:52 am and sunset at 7:33 pm. On the last day of the month, sunrise is at 5:30 am and sunset at 7:57 pm CDT.

Sunshine

The average sunshine in May is 9.3h.

UV index

The months with the highest UV index are May through August, with an average maximum UV index of 6. A UV Index estimate of 6 to 7 represents a high threat to health from unprotected exposure to Sun's UV rays for the average person.
Note: In May, the UV index of 6 transforms into the following advice:
Take precautions against overexposure. Protection against sun damage is needed. Avoid direct Sun exposure and seek shade from 10 a.m. to 4 p.m., the period of highest UV radiation. Remember, however, that not all shade structures offer full protection. Prioritize a wide-brim hat for comprehensive sun defense for your face, neck, eyes, and ears.
Updated: Aug 15, 2024
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate

Frequently asked questions

What are May temperatures?

The high-temperature in Smyrna during May is 78.3°F (25.7°C) and the low-temperature is 59°F (15°C).

What is the average humidity in May?

The average relative humidity in May is 76%.

How much does it rain in May?

In Smyrna, in May, it is raining for 14.9 days, with typically 1.85" (47mm) of accumulated precipitation.

When it does not snow in Smyrna?

May through October are months without snowfall.

Does it snow in May?

In May, it doesn't snow. April is the latest month when it typically snows.

How many hours of daylight does Smyrna have in May?

The average day length in May is 14h and 5min.

When are sunrise and sunset in May?

In May, on the first day of the month, sunrise is at 5:52 am and sunset at 7:33 pm. On the last day of the month, sunrise is at 5:30 am and sunset at 7:57 pm CDT.

How long on average sun shines in May?

The average sunshine duration in May is 9.3h.

What are the months with the highest UV index?

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

What is the UV index intensity in May?

The average daily maximum UV index in May is 6. A UV Index reading of 6 to 7 represents a high health risk from unsafe exposure to Sun's UV rays.
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
Smyrna, TN

Average temperature in May - Smyrna, TN
  • Average high temperature in May: 78.3°F

The warmest month (with the highest average high temperature) is July (88.7°F).
The month with the lowest average high temperature is January (45.1°F).

  • Average low temperature in May: 59°F

The month with the highest average low temperature is July (69.4°F).
The coldest month (with the lowest average low temperature) is January (30.7°F).

Average pressure in May
Smyrna, TN

Average pressure in May - Smyrna, TN
  • Average pressure in May: 30"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
Smyrna, TN

Average wind speed in May - Smyrna, TN
  • Average wind speed in May: 6.1mph

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

Average humidity in May
Smyrna, TN

Average humidity in May - Smyrna, TN
  • Average humidity in May: 76%

The month with the highest relative humidity is December (78%).
The months with the lowest relative humidity are June, August and October (73%).

Average rainfall in May
Smyrna, TN

Average rainfall in May - Smyrna, TN
  • Average rainfall in May: 1.85"

The wettest month (with the highest rainfall) is July (3.19").
The driest month (with the least rainfall) is November (1.38").

Average rainfall days in May
Smyrna, TN

Average rainfall days in May - Smyrna, TN
  • Average rainfall days in May: 14.9 days

The month with the highest number of rainy days is July (17.3 days).
The month with the least rainy days is November (7.7 days).

Average snowfall in May
Smyrna, TN

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

The month with the highest snowfall is January (0.71").
The months with the least snowfall are May, June, July, August, September and October (0").

Average snowfall days in May
Smyrna, TN

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

The month with the highest number of snowfall days is January (3.5 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
Smyrna, TN

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

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 May: 9h and 2min

The months with the most sunshine are June and July (Average sunshine: 10h and 18min).
The month with the least sunshine is February (Average sunshine: 4h and 24min).

Average sunshine days in May
Smyrna, TN

Average sunshine days in May - Smyrna, TN
  • Average sunshine days in May: 14 days

The month with the most sunshine days is November (20.5 days).
The month with the least sunshine days is July (11.8 days).

Average UV index in May
Smyrna, TN

Average UV index in May - Smyrna, 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 February and December (UV index 2).

Average cloud cover in May
Smyrna, TN

Average cloud cover in May - Smyrna, TN
  • Average cloud cover in May: 37

The month with the most cloud cover is February (Cloud cover 54).
The month with the least cloud cover is June (Cloud cover 30).

Average visibility in May
Smyrna, TN

Average visibility in May - Smyrna, 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).

Smyrna, Tennessee, USA

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