May weather forecastBelfast, TN
May
Weather in May
May, the last month of the spring in Belfast, is a moderately hot month, with an average temperature ranging between min 58.3°F (14.6°C) and max 77.5°F (25.3°C).Temperature
The beginning of May marks a minor shift in the average high-temperature, moving from April's agreeable 69.3°F (20.7°C) to a moderately hot 77.5°F (25.3°C). An average low-temperature of 58.3°F (14.6°C) is observed during May nights.Humidity
In May, the average relative humidity in Belfast is 78%.Rainfall
In May, in Belfast, the rain falls for 16.2 days. Throughout May, 3.11" (79mm) of precipitation is accumulated. In Belfast, Tennessee, during the entire year, the rain falls for 173.6 days and collects up to 39.65" (1007mm) of precipitation.Snowfall
May through October are months without snowfall.Daylight
The average length of the day in May in Belfast, Tennessee, is 14h and 3min.On the first day of May in Belfast, sunrise is at 5:54 am and sunset at 7:33 pm. On the last day of the month, sunrise is at 5:32 am and sunset at 7:56 pm CDT.
Sunshine
In Belfast, the average sunshine in May is 9.4h.UV index
May through August, with an average maximum UV index of 6, are months with the highest UV index in Belfast, Tennessee. A UV Index reading of 6 to 7 represents a high threat to health from unsafe exposure to UV radiation for the ordinary person.Note: In May, a daily maximum UV index of 6 leads to the following instructions:
Continue precautions and advocate sun safety advice. Deterrence of sunburn is indispensable. Stay in the shade and avoid direct Sun exposure from 10 a.m. to 4 p.m., a time when UV radiation is at its strongest, and remember that parasols or canopies do not offer full protection. Select sunglasses that boast both UVA and UVB protection to limit the adverse effects of the sun on the eyes.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature in May
Belfast, TN
- Average high temperature in May: 77.5°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 (45.7°F).
- Average low temperature in May: 58.3°F
The month with the highest average low temperature is July (68.4°F).
The coldest month (with the lowest average low temperature) is January (31.3°F).
Average pressure in May
Belfast, 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 (29.97"Hg).
Average wind speed in May
Belfast, TN
- Average wind speed in May: 6.3mph
The windiest month (with the highest average wind speed) is February (8.6mph).
The calmest month (with the lowest average wind speed) is July (4.6mph).
Average humidity in May
Belfast, TN
- Average humidity in May: 78%
The month with the highest relative humidity is December (80%).
The month with the lowest relative humidity is October (74%).
Average rainfall in May
Belfast, TN
- Average rainfall in May: 3.11"
The wettest month (with the highest rainfall) is February (4.37").
The driest month (with the least rainfall) is September (2.24").
Average rainfall days in May
Belfast, TN
- Average rainfall days in May: 16.2 days
The month with the highest number of rainy days is July (19.8 days).
The month with the least rainy days is November (9.5 days).
Average snowfall in May
Belfast, TN
- Average snowfall in May: 0"
The month with the highest snowfall is February (0.98").
The months with the least snowfall are May, June, July, August, September and October (0").
Average snowfall days in May
Belfast, TN
- Average snowfall days in May: 0 days
The month with the highest number of snowfall days is February (2.6 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
Belfast, 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
Belfast, TN
- Average sunshine days in May: 12.7 days
The month with the most sunshine days is November (18.9 days).
The month with the least sunshine days is July (9.9 days).
Average UV index in May
Belfast, TN
- Average UV index in May: 6
The months with the highest UV index are May, June, July and August (UV index 6).
The month with the lowest UV index is December (UV index 2).
Average cloud cover in May
Belfast, 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 30).
Average visibility in May
Belfast, TN
- Average visibility in May: 6mi
The months with the highest visibility are January, February, March, April, May, June, August, September, October, November and December (6mi).
The month with the lowest visibility is July (5mi).
