May weather forecast
Maryville, TN

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Weather in May

May greets Maryville with a substantially warmer temperature range, marking the beginnings of the summer season. The days become longer, and the city receives increased levels of sunshine. Heatwaves can occasionally hit the town, however, the pleasant weather largely remains. May notes a rainfall level of 1.38" (35mm), indicating a decline from previous months. The temperature extends comfortably into the evenings, creating enjoyable conditions for outdoor activities.

Temperature

Maryville in May shows a temperature shift, moving from an average high of an agreeable 68.5°F (20.3°C) in April to a moderately hot 77.5°F (25.3°C). Despite the stark contrast with daytime temperatures, Maryville's May nights average at a moderate 55.4°F (13°C).

Humidity

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

Rainfall

In Maryville, in May, during 13.9 rainfall days, 1.38" (35mm) of precipitation is typically accumulated. In Maryville, Tennessee, during the entire year, the rain falls for 148.2 days and collects up to 18.23" (463mm) of precipitation.

Snowfall

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

Daylight

In May, the average length of the day is 14h and 4min.
On the first day of the month, sunrise is at 6:42 am and sunset at 8:23 pm. On the last day of May, sunrise is at 6:21 am and sunset at 8:46 pm EDT.

Sunshine

The average sunshine in May in Maryville is 10.2h.

UV index

The months with the highest UV index are May through August, with an average maximum UV index of 6. A UV Index of 6 to 7 symbolizes a high health risk from unsafe exposure to UV radiation for ordinary individuals.
Note: The daily maximum UV index of 6 in May interprets into the following advice:
Undertake protective measures and comply with sun safety rules. Shielding against skin and eye damage is essential. Avoid direct sunlight between the hours of 10 a.m. and 4 p.m., when UV radiation is at its peak. Keep in mind that shade structures may not provide complete protection. Wearing a wide-brim hat can block approximately 50% of UV radiation, protecting the eyes.
Updated: Jul 28, 2024
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate

Frequently asked questions

What is the temperature in May?

During May, Maryville experiences an average high-temperature of 77.5°F (25.3°C) and a low-temperature of 55.4°F (13°C).

What is the average humidity in May?

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

How much does it rain in May?

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

When it does not snow?

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

How many hours of daylight does Maryville have in May?

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

When are sunrise and sunset in May?

In May, on the first day of the month, sunrise is at 6:42 am and sunset at 8:23 pm. On the last day of the month, sunrise is at 6:21 am and sunset at 8:46 pm EDT.

How long on average sun shines in May?

In May, the average sunshine duration is 10.2h.

What is the month with the highest UV index?

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

How high is the UV index in May?

In Maryville, the average daily maximum UV index in May is 6. A UV Index of 6 to 7 symbolizes a high health vulnerability 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
Maryville, TN

Average temperature in May - Maryville, 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).

Average pressure in May
Maryville, TN

Average pressure in May - Maryville, 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).

Average wind speed in May
Maryville, TN

Average wind speed in May - Maryville, 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).

Average humidity in May
Maryville, TN

Average humidity in May - Maryville, 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%).

Average rainfall in May
Maryville, TN

Average rainfall in May - Maryville, 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").

Average rainfall days in May
Maryville, TN

Average rainfall days in May - Maryville, 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).

Average snowfall in May
Maryville, TN

Average snowfall in May - Maryville, 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").

Average snowfall days in May
Maryville, TN

Average snowfall days in May - Maryville, 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).

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

Average daylight in May / Average sunshine in May - Maryville, 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: 10h and 1min

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).

Average sunshine days in May
Maryville, TN

Average sunshine days in May - Maryville, 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).

Average UV index in May
Maryville, TN

Average UV index in May - Maryville, 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
Maryville, TN

Average cloud cover in May - Maryville, 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).

Average visibility in May
Maryville, TN

Average visibility in May - Maryville, 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).

Maryville, Tennessee, USA

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