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
Swannsylvania's transition into May is noticed by a slight rise in the average high-temperature, advancing from an agreeable 68.5°F (20.3°C) in April to a moderately hot 77°F (25°C). Significant variation from daytime temperatures marks May, with the month recording a nightly average of 54.9°F (12.7°C).Humidity
In Swannsylvania, the average relative humidity in May is 75%.Rainfall
In May, the rain falls for 15.3 days. Throughout May, 1.85" (47mm) of precipitation is accumulated. In Swannsylvania, during the entire year, the rain falls for 150.7 days and collects up to 23.5" (597mm) of precipitation.Snowfall
In Swannsylvania, snow does not fall in May through September.Daylight
In May, the average length of the day is 14h and 5min.On the first day of May, sunrise is at 6:39 am and sunset at 8:20 pm. On the last day of the month, sunrise is at 6:17 am and sunset at 8:44 pm EDT.
Sunshine
The average sunshine in May is 10.3h.UV index
The months with the highest UV index are May through August, with an average maximum UV index of 6. A UV Index value of 6 to 7 symbolizes a high health vulnerability from exposure to the Sun's UV rays for the average person.Note: The maximum UV index, 6 during May, leads to the following recommendations:
Employ safeguards and advocate sun safety protocols. Shielding against skin and eye damage is crucial. The time between 10 a.m. and 4 p.m. is when UV radiation is at its peak. Limit exposure to direct sunlight during these hours. Outfit yourself in sun-safe attire, like long sleeves, pants, a hat, and UV-blocking sunglasses.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
What are the temperatures in May?
What is the average humidity in May?
How much does it rain in May?
When it does not snow?
Does it snow in May?
What is the average length of the day in May?
When are sunrise and sunset in May?
How long on average sun shines in May?
What is the month with the highest UV index?
What is the UV index intensity in May?
Average temperature in May
Swannsylvania, TN
- Average high temperature in May: 77°F
The warmest month (with the highest average high temperature) is July (87.1°F).
The month with the lowest average high temperature is January (44.2°F).
- Average low temperature in May: 54.9°F
The month with the highest average low temperature is July (64°F).
The coldest month (with the lowest average low temperature) is January (28.6°F).
Average pressure in May
Swannsylvania, 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 (29.99"Hg).
Average wind speed in May
Swannsylvania, TN
- Average wind speed in May: 5mph
The windiest month (with the highest average wind speed) is April (6.1mph).
The calmest month (with the lowest average wind speed) is August (3.7mph).
Average humidity in May
Swannsylvania, 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
Swannsylvania, TN
- Average rainfall in May: 1.85"
The wettest month (with the highest rainfall) is February (2.99").
The driest month (with the least rainfall) is September (1.22").
Average rainfall days in May
Swannsylvania, TN
- Average rainfall days in May: 15.3 days
The months with the highest number of rainy days are May and July (15.3 days).
The month with the least rainy days is November (9.1 days).
Average snowfall in May
Swannsylvania, TN
- Average snowfall in May: 0"
The month with the highest snowfall is January (1.46").
The months with the least snowfall are May, June, July, August and September (0").
Average snowfall days in May
Swannsylvania, TN
- Average snowfall days in May: 0 days
The month with the highest number of snowfall days is January (4.8 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
Swannsylvania, 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 2min
The months with the most sunshine are June and July (Average sunshine: 10h and 54min).
The month with the least sunshine is January (Average sunshine: 5h and 12min).
Average sunshine days in May
Swannsylvania, TN
- Average sunshine days in May: 12.7 days
The month with the most sunshine days is October (19.8 days).
The month with the least sunshine days is July (12.3 days).
Average UV index in May
Swannsylvania, 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
Swannsylvania, TN
- Average cloud cover in May: 31
The month with the most cloud cover is February (Cloud cover 49).
The months with the least cloud cover are June and August (Cloud cover 26).
Average visibility in May
Swannsylvania, 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).
Swannsylvania, Tennessee, USA
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