May weather forecastDayton, TN
May
Weather in May
May, the last month of the spring in Dayton, is a warm month, with an average temperature ranging between max 77.5°F (25.3°C) and min 56.1°F (13.4°C).Temperature
The start of May brings a rise in the average high-temperature, moving from an agreeable 68.5°F (20.3°C) in April to a moderately hot 77.5°F (25.3°C). In Dayton, an average nighttime temperature of 56.1°F (13.4°C) is expected during May.Humidity
In May, the average relative humidity is 78%.Rainfall
In Dayton, in May, it is raining for 17 days, with typically 2.83" (72mm) of accumulated precipitation. Throughout the year, there are 163.6 rainfall days, and 37.44" (951mm) of precipitation is accumulated.Snowfall
In Dayton, snow does not fall in May through October.Daylight
In May, the average length of the day in Dayton is 14h and 3min.On the first day of May, sunrise is at 6:47 am and sunset at 8:26 pm. On the last day of the month, sunrise is at 6:25 am and sunset at 8:49 pm EDT.
Sunshine
In May, the average sunshine 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 reading of 6 to 7 represents a high health vulnerability from unprotected exposure to Sun's UV rays for the ordinary person.Note: The daily maximum UV index of 6 in May interprets into the following advice:
Deter overexposure. Protecting against the sun's effects is essential. Between 10 a.m. and 4 p.m., the Sun's UV radiation is at its peak. Limit your exposure to direct sunlight during these hours. Prioritize a wide-brim hat for comprehensive sun defense for your face, neck, eyes, and ears.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature in May
Dayton, TN
- Average high temperature in May: 77.5°F
The warmest month (with the highest average high temperature) is July (87.4°F).
The month with the lowest average high temperature is January (45.1°F).
- Average low temperature in May: 56.1°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 (30.2°F).
Average pressure in May
Dayton, 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
Dayton, TN
- Average wind speed in May: 5.2mph
The windiest months (with the highest average wind speed) are February and April (6.6mph).
The calmest months (with the lowest average wind speed) are July and August (4mph).
Average humidity in May
Dayton, TN
- Average humidity in May: 78%
The month with the highest relative humidity is December (80%).
The months with the lowest relative humidity are January, June, July, August, September, October and November (76%).
Average rainfall in May
Dayton, TN
- Average rainfall in May: 2.83"
The wettest month (with the highest rainfall) is July (3.94").
The driest month (with the least rainfall) is November (2.28").
Average rainfall days in May
Dayton, TN
- Average rainfall days in May: 17 days
The month with the highest number of rainy days is July (17.9 days).
The month with the least rainy days is November (8.8 days).
Average snowfall in May
Dayton, TN
- Average snowfall in May: 0"
The month with the highest snowfall is January (0.67").
The months with the least snowfall are May, June, July, August, September and October (0").
Average snowfall days in May
Dayton, TN
- Average snowfall days in May: 0 days
The month with the highest number of snowfall days is January (2.8 days).
The months with the least snowfall days are May, June, July, August, September and October (0 days).
Average daylight in May /
Average sunshine in May
Dayton, TN
- Average daylight in May: 14h and 6min
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: 9h and 18min
The month with the most sunshine is June (Average sunshine: 10h and 12min).
The month with the least sunshine is December (Average sunshine: 4h and 48min).
Average sunshine days in May
Dayton, TN
- Average sunshine days in May: 12.9 days
The month with the most sunshine days is November (19.7 days).
The month with the least sunshine days is July (10.8 days).
Average UV index in May
Dayton, 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
Dayton, TN
- Average cloud cover in May: 38
The month with the most cloud cover is February (Cloud cover 53).
The month with the least cloud cover is June (Cloud cover 32).
Average visibility in May
Dayton, TN
- Average visibility in May: 5mi
The months with the highest visibility are February, June, October and November (6mi).
The months with the lowest visibility are January, March, April, May, July, August, September and December (5mi).
