Contents
- Weather in May
- Frequently asked questions
- Average temperature in May
- Average pressure in May
- Average wind speed in May
- Average humidity in May
- Average rainfall in May
- Average rainfall days in May
- Average snowfall in May
- Average snowfall days in May
- Average daylight in May
- Average sunshine in May
- Average sunshine days in May
- Average UV index in May
- Average cloud cover in May
- Average visibility in May
Weather in May
Temperature
In May, the meteorological conditions change with the average high-temperature moving from an agreeable 69.3°F (20.7°C) in April to a warm 78.4°F (25.8°C). Knoxville reports a significant contrast between daytime and nighttime temperatures, with an average low of 55.9°F (13.3°C) in May.Humidity
The average relative humidity in May is 74%.Rainfall
In May, the rain falls for 14.9 days. Throughout May, 2.13" (54mm) of precipitation is accumulated. In Knoxville, during the entire year, the rain falls for 148.9 days and collects up to 29.57" (751mm) of precipitation.Snowfall
May through October are months without snowfall.Daylight
In May, the average length of the day in Knoxville is 14h and 5min.On the first day of the month, sunrise is at 6:42 am and sunset at 8:23 pm. On the last day of May, in Knoxville, Tennessee, sunrise is at 6:20 am and sunset at 8:46 pm EDT.
Sunshine
In May, the average sunshine is 9.9h.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 average individuals.Note: A typical high UV index of 6 in May suggests the following recommendations:
Evade overexposure. Individuals with fair skin risk burning in under 20 minutes. Between 10 a.m. and 4 p.m., the Sun's UV radiation is at its peak. Limit your exposure to direct sunlight during these hours. Stay sun-safe with clothing that is both closely woven and worn loosely.
Frequently asked questions
What is the average May temperature in Knoxville?
What is the average humidity in May in Knoxville?
How much does it rain in Knoxville in May?
When it does not snow in Knoxville?
Does it snow in Knoxville in May?
What is the average length of the day in May in Knoxville?
What time are sunrise and sunset in May in Knoxville?
How long on average sun shines in May in Knoxville?
When is the highest UV index in Knoxville?
What is the UV index reading in May in Knoxville?
Average temperature in May
Knoxville, TN
- Average high temperature in May: 78.4°F
The warmest month (with the highest average high temperature) is July (88.9°F).
The month with the lowest average high temperature is January (44.8°F).
- Average low temperature in May: 55.9°F
The month with the highest average low temperature is July (66.7°F).
The coldest month (with the lowest average low temperature) is January (29.3°F).
Average pressure in May
Knoxville, TN
- Average pressure in May: 30.02"Hg
The months with the highest atmospheric pressure are January and November (30.16"Hg).
The month with the lowest atmospheric pressure is June (29.98"Hg).
Average wind speed in May
Knoxville, TN
- Average wind speed in May: 4.9mph
The windiest month (with the highest average wind speed) is April (6mph).
The calmest month (with the lowest average wind speed) is August (3.8mph).
Average humidity in May
Knoxville, TN
- Average humidity in May: 74%
The months with the highest relative humidity are February and December (78%).
The month with the lowest relative humidity is August (70%).
Average rainfall in May
Knoxville, TN
- Average rainfall in May: 2.13"
The wettest month (with the highest rainfall) is February (3.66").
The driest month (with the least rainfall) is September (1.5").
Average rainfall days in May
Knoxville, TN
- Average rainfall days in May: 14.9 days
The month with the highest number of rainy days is July (16.2 days).
The month with the least rainy days is November (8.4 days).
Average snowfall in May
Knoxville, TN
- Average snowfall in May: 0"
The month with the highest snowfall is February (1.57").
The months with the least snowfall are May, June, July, August, September and October (0").
Average snowfall days in May
Knoxville, TN
- Average snowfall days in May: 0 days
The month with the highest number of snowfall days is January (3.8 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
Knoxville, TN
- Average daylight in May: 14h and 1min
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 48min).
- Average sunshine in May: 9h and 5min
The month with the most sunshine is June (Average sunshine: 10h and 36min).
The month with the least sunshine is January (Average sunshine: 4h and 54min).
Average sunshine days in May
Knoxville, TN
- Average sunshine days in May: 13.8 days
The month with the most sunshine days is October (20.5 days).
The month with the least sunshine days is July (12.9 days).
Average UV index in May
Knoxville, 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
Knoxville, TN
- Average cloud cover in May: 34
The month with the most cloud cover is February (Cloud cover 54).
The month with the least cloud cover is June (Cloud cover 28).
Average visibility in May
Knoxville, TN
- Average visibility in May: 6mi
The months with the highest visibility are February, March, April, May, June, July, August, September, October, November and December (6mi).
The month with the lowest visibility is January (5mi).
Knoxville, Tennessee, USA
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