Contents
- Weather in May
- Frequently asked questions
- Average temperature in May
- Average pressure in May
- Average wind speed in May
- Average humidity in May
- Average rainfall in May
- Average rainfall days in May
- Average snowfall in May
- Average snowfall days in May
- Average daylight in May
- Average sunshine in May
- Average sunshine days in May
- Average UV index in May
- Average cloud cover in May
- Average visibility in May
Weather in May
Temperature
May comes with a subtle rise, with the average high-temperature adjusting from a pleasant 69.1°F (20.6°C) in April to a warm 77.9°F (25.5°C). In Westlyn, a significant divergence from daytime highs is recorded, with average lows of 55.8°F (13.2°C) during May nights.Humidity
In May, the average relative humidity is 75%.Rainfall
In Westlyn, during May, the rain falls for 16.9 days and regularly aggregates up to 2.72" (69mm) of precipitation. Throughout the year, there are 177.6 rainfall days, and 37.91" (963mm) of precipitation is accumulated.Snowfall
May through September are months without snowfall.Daylight
In Westlyn, Tennessee, the average length of the day in May is 14h and 5min.On the first day of May, sunrise is at 6:42 am and sunset at 8:23 pm. On the last day of the month, sunrise is at 6:20 am and sunset at 8:46 pm EDT.
Sunshine
In Westlyn, the average sunshine in May is 10.1h.UV index
May through August, with an average maximum UV index of 6, are months with the highest UV index. A UV Index value of 6 to 7 symbolizes a high health vulnerability from exposure to the Sun's UV radiation for the average person.Note: The UV index of 6 during May leads to these advisories:
Resist overexposure. Safeguarding from solar damage is indispensable. Remember that the sun's UV radiation is strongest between 10 a.m. and 4 p.m. Make an effort to avoid direct sun exposure during these hours. It's wise to wear UVA and UVB-blocking sunglasses when the sun shines brightly.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
What are May temperatures?
What is the average humidity in May?
How many days does it rain in May in Westlyn?
When it does not snow?
Does it snow in May?
How many hours of daylight does Westlyn have in May?
What time are sunrise and sunset in May?
How long on average sun shines in May?
What is the month with the highest UV index in Westlyn?
What is the UV index reading in May?
Average temperature in May
Westlyn, TN
- Average high temperature in May: 77.9°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 (44.8°F).
- Average low temperature in May: 55.8°F
The month with the highest average low temperature is July (66°F).
The coldest month (with the lowest average low temperature) is January (29.7°F).
Average pressure in May
Westlyn, 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
Westlyn, TN
- Average wind speed in May: 4.8mph
The windiest month (with the highest average wind speed) is April (6mph).
The calmest month (with the lowest average wind speed) is August (3.6mph).
Average humidity in May
Westlyn, 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
Westlyn, TN
- Average rainfall in May: 2.72"
The wettest month (with the highest rainfall) is February (4.33").
The driest month (with the least rainfall) is September (1.97").
Average rainfall days in May
Westlyn, TN
- Average rainfall days in May: 16.9 days
The month with the highest number of rainy days is July (18.6 days).
The month with the least rainy days is November (10.3 days).
Average snowfall in May
Westlyn, TN
- Average snowfall in May: 0"
The month with the highest snowfall is February (1.93").
The months with the least snowfall are May, June, July, August and September (0").
Average snowfall days in May
Westlyn, TN
- Average snowfall days in May: 0 days
The month with the highest number of snowfall days is January (5.5 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
Westlyn, 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: 10h and 1min
The month with the most sunshine is June (Average sunshine: 10h and 42min).
The month with the least sunshine is January (Average sunshine: 5h and 6min).
Average sunshine days in May
Westlyn, TN
- Average sunshine days in May: 11.7 days
The month with the most sunshine days is November (17.8 days).
The month with the least sunshine days is July (10.3 days).
Average UV index in May
Westlyn, 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
Westlyn, TN
- Average cloud cover in May: 33
The month with the most cloud cover is February (Cloud cover 52).
The months with the least cloud cover are June and August (Cloud cover 28).
Average visibility in May
Westlyn, 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).
Westlyn, Tennessee, USA
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