May weather forecastGraytown, TN
May
Weather in May
The last month of the spring, May, is a moderately hot month in Graytown, Tennessee, with an average temperature fluctuating between 58.5°F (14.7°C) and 77.7°F (25.4°C).Temperature
With the onset of May, the average high-temperature slightly shifts from April's pleasant 68.7°F (20.4°C) to a moderately hot 77.7°F (25.4°C). Throughout May, the nighttime temperature averages to a moderate 58.5°F (14.7°C).Humidity
The average relative humidity in May is 78%.Rainfall
In Graytown, in May, it is raining for 17.3 days, with typically 3.19" (81mm) of accumulated precipitation. In Graytown, Tennessee, during the entire year, the rain falls for 178.7 days and collects up to 39.21" (996mm) of precipitation.Snowfall
May through September are months without snowfall.Daylight
In Graytown, the average length of the day in May is 14h and 4min.On the first day of May, sunrise is at 5:56 am and sunset at 7:36 pm. On the last day of the month, sunrise is at 5:34 am and sunset at 8:00 pm CDT.
Sunshine
In Graytown, the average sunshine in May 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 estimate of 6 to 7 represents a high health vulnerability from unprotected exposure to Sun's UV rays for average individuals.Note: The UV index of 6 during May translates into the following guidance:
Escape overexposure. People with light skin may incur burns in fewer than 20 minutes. Between 10 a.m. and 4 p.m., the Sun emits the most powerful UV radiation. Limit direct exposure to the Sun 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
Graytown, TN
- Average high temperature in May: 77.7°F
The warmest month (with the highest average high temperature) is July (87.6°F).
The month with the lowest average high temperature is January (45°F).
- Average low temperature in May: 58.5°F
The month with the highest average low temperature is July (68°F).
The coldest month (with the lowest average low temperature) is January (30.7°F).
Average pressure in May
Graytown, TN
- Average pressure in May: 30"Hg
The month with the highest atmospheric pressure is January (30.17"Hg).
The month with the lowest atmospheric pressure is June (29.97"Hg).
Average wind speed in May
Graytown, TN
- Average wind speed in May: 6.3mph
The windiest month (with the highest average wind speed) is February (8.3mph).
The calmest months (with the lowest average wind speed) are July and August (4.7mph).
Average humidity in May
Graytown, TN
- Average humidity in May: 78%
The months with the highest relative humidity are March and December (79%).
The month with the lowest relative humidity is October (74%).
Average rainfall in May
Graytown, TN
- Average rainfall in May: 3.19"
The wettest month (with the highest rainfall) is July (4.21").
The driest month (with the least rainfall) is September (2.44").
Average rainfall days in May
Graytown, TN
- Average rainfall days in May: 17.3 days
The month with the highest number of rainy days is July (20 days).
The month with the least rainy days is November (10.5 days).
Average snowfall in May
Graytown, TN
- Average snowfall in May: 0"
The month with the highest snowfall is January (0.98").
The months with the least snowfall are May, June, July, August and September (0").
Average snowfall days in May
Graytown, TN
- Average snowfall days in May: 0 days
The month with the highest number of snowfall days is February (4 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
Graytown, 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 18min).
The months with the least sunshine are February and December (Average sunshine: 4h and 36min).
Average sunshine days in May
Graytown, TN
- Average sunshine days in May: 11.8 days
The month with the most sunshine days is November (17.9 days).
The month with the least sunshine days is July (8.8 days).
Average UV index in May
Graytown, 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
Graytown, TN
- Average cloud cover in May: 38
The months with the most cloud cover are February and December (Cloud cover 52).
The month with the least cloud cover is June (Cloud cover 30).
Average visibility in May
Graytown, TN
- Average visibility in May: 5mi
The months with the highest visibility are February, March, April, June, October, November and December (6mi).
The months with the lowest visibility are January, May, July, August and September (5mi).
