May weather forecastCowan, TN
May
Weather in May
May, the last month of the spring in Cowan, is a moderately hot month, with an average temperature varying between 76.6°F (24.8°C) and 57.4°F (14.1°C).Temperature
The commencement of May sees a minor shift in the average high-temperature, moving from a pleasant 68.5°F (20.3°C) in April to a warm 76.6°F (24.8°C). Cowan encounters an average low-temperature of 57.4°F (14.1°C) during May nights.Humidity
In May, the average relative humidity is 79%.Rainfall
In Cowan, in May, it is raining for 17.3 days, with typically 3.35" (85mm) of accumulated precipitation. Throughout the year, there are 173.5 rainfall days, and 39.25" (997mm) of precipitation is accumulated.Snowfall
In Cowan, snow does not fall in April through October.Daylight
The average length of the day in May in Cowan is 14h and 2min.On the first day of May, sunrise is at 5:51 am and sunset at 7:30 pm. On the last day of the month, sunrise is at 5:30 am and sunset at 7:52 pm CDT.
Sunshine
In May, the average sunshine in Cowan is 9.4h.UV index
May through August, with an average maximum UV index of 6, are months with the highest UV index in Cowan, Tennessee. A UV Index estimate of 6 to 7 represents a high health hazard from unsafe exposure to UV radiation for the average person.Note: In May, a daily UV index of 6 turns into the following recommendations:
Take precautions against overexposure. Fair-skinned people may get burned in less than 20 minutes. During the period from 10 a.m. to 4 p.m., UV radiation is highest. Try to avoid direct sunlight during these hours. Tightly woven clothing, when worn loosely, shields effectively against the Sun.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature in May
Cowan, TN
- Average high temperature in May: 76.6°F
The warmest month (with the highest average high temperature) is July (86.5°F).
The month with the lowest average high temperature is January (45.3°F).
- Average low temperature in May: 57.4°F
The month with the highest average low temperature is July (66.7°F).
The coldest month (with the lowest average low temperature) is January (31.3°F).
Average pressure in May
Cowan, TN
- Average pressure in May: 30.01"Hg
The month with the highest atmospheric pressure is January (30.17"Hg).
The month with the lowest atmospheric pressure is June (29.98"Hg).
Average wind speed in May
Cowan, TN
- Average wind speed in May: 5.8mph
The windiest month (with the highest average wind speed) is February (7.6mph).
The calmest months (with the lowest average wind speed) are July and August (4.3mph).
Average humidity in May
Cowan, TN
- Average humidity in May: 79%
The month with the highest relative humidity is December (81%).
The months with the lowest relative humidity are October and November (75%).
Average rainfall in May
Cowan, TN
- Average rainfall in May: 3.35"
The wettest month (with the highest rainfall) is February (4.17").
The driest month (with the least rainfall) is September (2.05").
Average rainfall days in May
Cowan, TN
- Average rainfall days in May: 17.3 days
The month with the highest number of rainy days is July (20.7 days).
The month with the least rainy days is November (9.4 days).
Average snowfall in May
Cowan, TN
- Average snowfall in May: 0"
The month with the highest snowfall is January (0.67").
The months with the least snowfall are April, May, June, July, August, September and October (0").
Average snowfall days in May
Cowan, TN
- Average snowfall days in May: 0 days
The month with the highest number of snowfall days is January (2.2 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
Cowan, TN
- Average daylight in May: 14h and 0min
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 24min
The month with the most sunshine is June (Average sunshine: 10h and 24min).
The month with the least sunshine is February (Average sunshine: 4h and 36min).
Average sunshine days in May
Cowan, TN
- Average sunshine days in May: 12.6 days
The month with the most sunshine days is October (20.1 days).
The month with the least sunshine days is July (8.8 days).
Average UV index in May
Cowan, 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 and December (UV index 2).
Average cloud cover in May
Cowan, TN
- Average cloud cover in May: 37
The month with the most cloud cover is February (Cloud cover 53).
The month with the least cloud cover is June (Cloud cover 31).
Average visibility in May
Cowan, TN
- Average visibility in May: 5mi
The months with the highest visibility are February, April, June, September, October, November and December (6mi).
The months with the lowest visibility are January, March, May, July and August (5mi).





