May weather forecastSaint Bethlehem, TN
May
Weather in May
May, the last month of the spring in Saint Bethlehem, is a moderately hot month, with an average temperature ranging between max 76.8°F (24.9°C) and min 58.6°F (14.8°C).Temperature
The start of May brings a subtle rise in the average high-temperature, moving from a pleasant 68.2°F (20.1°C) in April to a warm 76.8°F (24.9°C). During the month of May, an average low-temperature of 58.6°F (14.8°C) is recorded.Humidity
March and May, with an average relative humidity of 79%, are the most humid months in Saint Bethlehem.Rainfall
In Saint Bethlehem, in May, it is raining for 17 days, with typically 3.31" (84mm) of accumulated precipitation. In Saint Bethlehem, during the entire year, the rain falls for 171 days and collects up to 34.92" (887mm) of precipitation.Snowfall
May through September are months without snowfall.Daylight
In Saint Bethlehem, the average length of the day in May is 14h and 8min.On the first day of May, sunrise is at 5:54 am and sunset at 7:37 pm. On the last day of the month, sunrise is at 5:32 am and sunset at 8:01 pm CDT.
Sunshine
The average sunshine in May is 9.4h.UV index
The months with the highest UV index are May through August, with an average maximum UV index of 6. A UV Index of 6 to 7 symbolizes a high health risk from unprotected exposure to Sun's UV rays for the average person.Note: The daily high UV index of 6 during May translates into the following recommendations:
Uphold preventive measures and conform to sun safety guidelines. Defending against skin and eye harm is crucial. Avoid exposure to the Sun and try to stay in the shade between 10 a.m. and 4 p.m., when UV radiation is most potent, but be aware that parasols or canopies may not offer full protection. By wearing a generously brimmed hat, you can cut UV radiation exposure significantly.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature in May
Saint Bethlehem, TN
- Average high temperature in May: 76.8°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 (42.6°F).
- Average low temperature in May: 58.6°F
The month with the highest average low temperature is July (68.7°F).
The coldest month (with the lowest average low temperature) is January (28.9°F).
Average pressure in May
Saint Bethlehem, TN
- Average pressure in May: 29.99"Hg
The month with the highest atmospheric pressure is January (30.17"Hg).
The month with the lowest atmospheric pressure is June (29.96"Hg).
Average wind speed in May
Saint Bethlehem, TN
- Average wind speed in May: 6.8mph
The windiest month (with the highest average wind speed) is February (8.7mph).
The calmest month (with the lowest average wind speed) is July (5.1mph).
Average humidity in May
Saint Bethlehem, 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 (72%).
Average rainfall in May
Saint Bethlehem, TN
- Average rainfall in May: 3.31"
The wettest month (with the highest rainfall) is February (3.78").
The driest month (with the least rainfall) is September (1.93").
Average rainfall days in May
Saint Bethlehem, TN
- Average rainfall days in May: 17 days
The month with the highest number of rainy days is July (18.4 days).
The month with the least rainy days is November (10.3 days).
Average snowfall in May
Saint Bethlehem, TN
- Average snowfall in May: 0"
The month with the highest snowfall is December (1.02").
The months with the least snowfall are May, June, July, August and September (0").
Average snowfall days in May
Saint Bethlehem, TN
- Average snowfall days in May: 0 days
The month with the highest number of snowfall days is January (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
Saint Bethlehem, 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 30min).
The month with the least sunshine is February (Average sunshine: 4h and 30min).
Average sunshine days in May
Saint Bethlehem, TN
- Average sunshine days in May: 12 days
The month with the most sunshine days is November (18.2 days).
The month with the least sunshine days is July (10.4 days).
Average UV index in May
Saint Bethlehem, 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
Saint Bethlehem, 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 29).
Average visibility in May
Saint Bethlehem, TN
- Average visibility in May: 5mi
The months with the highest visibility are January, February, March, April, June, July, August, September, October, November and December (6mi).
The month with the lowest visibility is May (5mi).





