May weather forecastRalston, TN
May
Weather in May
May, the last month of the spring in Ralston, is a moderately hot month, with an average temperature varying between 77°F (25°C) and 60.4°F (15.8°C).Temperature
The start of May brings a subtle rise in the average high-temperature, moving from an agreeable 68.2°F (20.1°C) in April to a moderately hot 77°F (25°C). In May, Ralston reports a consistent average low-temperature of 60.4°F (15.8°C) during the nights.Humidity
The months with the highest humidity are March and May, with an average relative humidity of 79%.Rainfall
In May, the rain falls for 16.8 days. Throughout May, 3.66" (93mm) of precipitation is accumulated. In Ralston, Tennessee, during the entire year, the rain falls for 158.8 days and collects up to 34.72" (882mm) of precipitation.Snowfall
In Ralston, snow does not fall in April through October.Daylight
In May, the average length of the day is 14h and 7min.On the first day of May, sunrise is at 6:01 am and sunset at 7:43 pm. On the last day of the month, sunrise is at 5:38 am and sunset at 8:07 pm CDT.
Sunshine
In Ralston, the average sunshine in May is 9.4h.UV index
In Ralston, the average daily maximum UV index in May is 6. A UV Index reading of 6 to 7 represents a high health risk from exposure to the Sun's UV radiation for average individuals.Note: The maximum daily UV index of 6 during May translates into the following directions:
Escape overexposure. People with light skin may incur burns in fewer than 20 minutes. UV radiation from the Sun is most intense between 10 a.m. and 4 p.m. Try to avoid direct sunlight during this period. Wearing sunglasses with both UVA and UVB protection effectively reduces sun-induced eye damage.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature in May
Ralston, TN
- Average high temperature in May: 77°F
The warmest month (with the highest average high temperature) is July (88°F).
The month with the lowest average high temperature is January (43.3°F).
- Average low temperature in May: 60.4°F
The month with the highest average low temperature is July (70.2°F).
The coldest month (with the lowest average low temperature) is January (30.4°F).
Average pressure in May
Ralston, TN
- Average pressure in May: 29.98"Hg
The month with the highest atmospheric pressure is January (30.17"Hg).
The month with the lowest atmospheric pressure is June (29.95"Hg).
Average wind speed in May
Ralston, TN
- Average wind speed in May: 7.4mph
The windiest months (with the highest average wind speed) are January, February and April (9.1mph).
The calmest month (with the lowest average wind speed) is July (5.5mph).
Average humidity in May
Ralston, TN
- Average humidity in May: 79%
The months with the highest relative humidity are March and May (79%).
The month with the lowest relative humidity is October (70%).
Average rainfall in May
Ralston, TN
- Average rainfall in May: 3.66"
The wettest month (with the highest rainfall) is February (4.09").
The driest month (with the least rainfall) is September (1.38").
Average rainfall days in May
Ralston, TN
- Average rainfall days in May: 16.8 days
The month with the highest number of rainy days is May (16.8 days).
The month with the least rainy days is November (9.4 days).
Average snowfall in May
Ralston, TN
- Average snowfall in May: 0"
The month with the highest snowfall is March (1.34").
The months with the least snowfall are April, May, June, July, August, September and October (0").
Average snowfall days in May
Ralston, TN
- Average snowfall days in May: 0 days
The months with the highest number of snowfall days are January and February (3.4 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
Ralston, TN
- Average daylight in May: 14h and 6min
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 24min
The month with the most sunshine is June (Average sunshine: 10h and 36min).
The month with the least sunshine is February (Average sunshine: 4h and 42min).
Average sunshine days in May
Ralston, TN
- Average sunshine days in May: 11.9 days
The month with the most sunshine days is November (19.5 days).
The month with the least sunshine days is May (11.9 days).
Average UV index in May
Ralston, TN
- Average UV index in May: 6
The month with the highest UV index is June (UV index 7).
The months with the lowest UV index are February and December (UV index 2).
Average cloud cover in May
Ralston, TN
- Average cloud cover in May: 37
The month with the most cloud cover is February (Cloud cover 49).
The month with the least cloud cover is June (Cloud cover 26).
Average visibility in May
Ralston, 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).





