May weather forecastSaint Joseph, TN
May
Weather in May
The last month of the spring, May, is a moderately hot month in Saint Joseph, Tennessee, with an average temperature varying between 59.4°F (15.2°C) and 77.7°F (25.4°C).Temperature
In Saint Joseph, the average high-temperature in May slightly increases from an agreeable 69.6°F (20.9°C) in April to a moderately hot 77.7°F (25.4°C). During May, Saint Joseph witnesses a consistent average low-temperature of 59.4°F (15.2°C).Humidity
The average relative humidity in May in Saint Joseph is 78%.Rainfall
In May, the rain falls for 15.3 days. Throughout May, 2.76" (70mm) of precipitation is accumulated. In Saint Joseph, during the entire year, the rain falls for 164 days and collects up to 37.56" (954mm) of precipitation.Snowfall
In Saint Joseph, Tennessee, snow does not fall in April through October.Daylight
In May, the average length of the day is 14h and 1min.On the first day of the month, sunrise is at 5:58 am and sunset at 7:35 pm. On the last day of May, in Saint Joseph, sunrise is at 5:37 am and sunset at 7:58 pm CDT.
Sunshine
The average sunshine in May is 9.4h.UV index
The average daily maximum UV index in May is 6. A UV Index reading of 6 to 7 represents a high threat to health from unprotected exposure to Sun's UV rays for the average person.Note: In May, the average maximum UV index of 6 translates into the following recommendations:
Prevent overexposure. Protection from the sun's harmful effects is needed. Make an effort to avoid direct sun exposure between 10 a.m. and 4 p.m., the peak period for UV radiation, and note that objects like parasols or canopies might not offer full sun protection. Equip yourself with UVA and UVB-filtering sunglasses on clear, sunny days.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature in May
Saint Joseph, TN
- Average high temperature in May: 77.7°F
The warmest month (with the highest average high temperature) is July (88.2°F).
The month with the lowest average high temperature is January (46.6°F).
- Average low temperature in May: 59.4°F
The month with the highest average low temperature is July (69.1°F).
The coldest month (with the lowest average low temperature) is January (32.5°F).
Average pressure in May
Saint Joseph, 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
Saint Joseph, TN
- Average wind speed in May: 6.5mph
The windiest month (with the highest average wind speed) is February (8.7mph).
The calmest month (with the lowest average wind speed) is July (4.9mph).
Average humidity in May
Saint Joseph, 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 (73%).
Average rainfall in May
Saint Joseph, TN
- Average rainfall in May: 2.76"
The wettest month (with the highest rainfall) is February (4.25").
The driest month (with the least rainfall) is November (2.32").
Average rainfall days in May
Saint Joseph, TN
- Average rainfall days in May: 15.3 days
The month with the highest number of rainy days is July (19 days).
The month with the least rainy days is November (9.3 days).
Average snowfall in May
Saint Joseph, TN
- Average snowfall in May: 0"
The month with the highest snowfall is February (0.71").
The months with the least snowfall are April, May, June, July, August, September and October (0").
Average snowfall days in May
Saint Joseph, TN
- Average snowfall days in May: 0 days
The months with the highest number of snowfall days are January and February (2.3 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
Saint Joseph, 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 30min).
Average sunshine days in May
Saint Joseph, TN
- Average sunshine days in May: 14.1 days
The month with the most sunshine days is October (19.5 days).
The month with the least sunshine days is July (9.4 days).
Average UV index in May
Saint Joseph, TN
- Average UV index in May: 6
The month with the highest UV index is July (UV index 7).
The month with the lowest UV index is December (UV index 2).
Average cloud cover in May
Saint Joseph, TN
- Average cloud cover in May: 37
The month with the most cloud cover is February (Cloud cover 52).
The month with the least cloud cover is June (Cloud cover 30).
Average visibility in May
Saint Joseph, 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).





