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
The transition to May introduces an increase in the average high-temperature, shifting from a refreshing 66.7°F (19.3°C) in April to a warm 76.1°F (24.5°C). Despite high daytime temperatures, the average temperature lowers to a fresh 54.3°F (12.4°C) during May nights.Humidity
In Dean, the average relative humidity in May is 78%.Rainfall
In May, the rain falls for 17.7 days. Throughout May, 2.83" (72mm) of precipitation is accumulated. In Dean, during the entire year, the rain falls for 167 days and collects up to 33.62" (854mm) of precipitation.Snowfall
May through October are months without snowfall.Daylight
In Dean, the average length of the day in May is 14h and 7min.On the first day of the month, sunrise is at 6:43 am and sunset at 8:25 pm. On the last day of May, in Dean, Tennessee, sunrise is at 6:21 am and sunset at 8:49 pm EDT.
Sunshine
In Dean, Tennessee, the average sunshine in May is 9.4h.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 exposure to the Sun's UV radiation for the ordinary person.Note: An average maximum UV index of 6 in May leads to these recommendations:
Steer clear of overexposure. Fair-skinned individuals can be scorched in less than 20 minutes. Seek shade and limit direct sun exposure between 10 a.m. and 4 p.m., the peak period for UV radiation. Keep in mind that shade structures like parasols or canopies do not offer complete sun protection. A hat with a generous brim can prevent nearly 50% of UV rays from reaching your eyes.
Frequently asked questions
What are the temperatures in Dean in May?
What is the average humidity in May in Dean?
How many days does it rain in May in Dean?
When it does not snow in Dean?
Does it snow in Dean in May?
What is the average length of the day in May in Dean?
When is the sunrise / sunset in May in Dean?
How long on average sun shines in May in Dean?
When is the highest UV index in Dean?
How high is the UV index in May in Dean?
Average temperature in May
Dean, TN
- Average high temperature in May: 76.1°F
The warmest month (with the highest average high temperature) is July (86°F).
The month with the lowest average high temperature is January (42.3°F).
- Average low temperature in May: 54.3°F
The month with the highest average low temperature is July (63.7°F).
The coldest month (with the lowest average low temperature) is January (27.7°F).
Average pressure in May
Dean, TN
- Average pressure in May: 30.01"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
Dean, TN
- Average wind speed in May: 5mph
The windiest month (with the highest average wind speed) is April (6.2mph).
The calmest month (with the lowest average wind speed) is August (3.5mph).
Average humidity in May
Dean, TN
- Average humidity in May: 78%
The months with the highest relative humidity are February and December (81%).
The month with the lowest relative humidity is August (76%).
Average rainfall in May
Dean, TN
- Average rainfall in May: 2.83"
The wettest month (with the highest rainfall) is February (3.94").
The driest month (with the least rainfall) is September (1.89").
Average rainfall days in May
Dean, TN
- Average rainfall days in May: 17.7 days
The month with the highest number of rainy days is July (19.3 days).
The month with the least rainy days is November (9.4 days).
Average snowfall in May
Dean, TN
- Average snowfall in May: 0"
The month with the highest snowfall is February (2.01").
The months with the least snowfall are May, June, July, August, September and October (0").
Average snowfall days in May
Dean, 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
Dean, 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 42min).
- Average sunshine in May: 9h and 2min
The month with the most sunshine is June (Average sunshine: 10h and 18min).
The month with the least sunshine is January (Average sunshine: 4h and 30min).
Average sunshine days in May
Dean, TN
- Average sunshine days in May: 11.4 days
The month with the most sunshine days is October (18.8 days).
The month with the least sunshine days is July (10.1 days).
Average UV index in May
Dean, 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
Dean, TN
- Average cloud cover in May: 39
The month with the most cloud cover is February (Cloud cover 56).
The months with the least cloud cover are June and August (Cloud cover 32).
Average visibility in May
Dean, TN
- Average visibility in May: 5mi
The month with the highest visibility is November (6mi).
The months with the lowest visibility are January, February, March, April, May, June, July, August, September, October and December (5mi).
Dean, Tennessee, USA
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