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
With the beginning of May, Knoxville's average high-temperature sees a minor increase, transitioning from a warm 75.6°F (24.2°C) in April to a still moderately hot 83.5°F (28.6°C). May in Knoxville, Alabama, is noted for a mean low-temperature of 62.2°F (16.8°C).Heat index
The heat index for May is calculated to be a hot 89.6°F (32°C). Continuing activity during long-lasting exposure might induce tiredness and result in heat cramps.In terms of the heat index, values are set with light wind and shade conditions in mind. The presence of direct sunlight can raise the heat index values by up to 15 Fahrenheit (8 Celsius) degrees.
Note: The heat index, also known as 'apparent temperature' or 'felt air temperature', stands as a testimony to how temperature and humidity combine to impact our sense of warmth. The effect is personal, with varied weather perceptions among individuals due to differences in body mass, stature, and physical activity. By being directly under the sun, it's possible for the felt temperature to increase by 15 Fahrenheit (8 Celsius) degrees. Heat index values are especially crucial for babies and toddlers. In general, children are more at risk than adults because they sweat less. Furthermore, the large skin surface compared to their small bodies and the high heat production due to their actions contribute to this vulnerability.
Humidity
In Knoxville, the average relative humidity in May is 73%.Rainfall
In Knoxville, in May, it is raining for 14.2 days, with typically 2.8" (71mm) of accumulated precipitation. Throughout the year, in Knoxville, Alabama, there are 166.5 rainfall days, and 39.41" (1001mm) of precipitation is accumulated.Snowfall
In Knoxville, snow does not fall in March through November.Daylight
In May, the average length of the day in Knoxville, Alabama, is 13h and 52min.On the first day of May, sunrise is at 6:02 am and sunset at 7:33 pm. On the last day of the month, sunrise is at 5:43 am and sunset at 7:54 pm CDT.
Sunshine
In Knoxville, Alabama, the average sunshine in May is 9.9h.UV index
In Knoxville, the average daily maximum UV index in May is 6. A UV Index value of 6 to 7 symbolizes a high health vulnerability from exposure to the Sun's UV radiation for average individuals.Note: In May, the average maximum UV index of 6 translates into the following recommendations:
Continue precautions and advocate sun safety advice. Deterrence of sunburn is indispensable. Limit your exposure to the sun's UV radiation, which is strongest between 10 a.m. and 4 p.m., and note that parasols or canopies may not provide full sun protection. Prioritize a wide-brim hat for comprehensive sun defense for your face, neck, eyes, and ears.
Frequently asked questions
Is it hot in Knoxville during May?
What is the average humidity in May in Knoxville?
How many days does it rain in May in Knoxville?
When it does not snow in Knoxville?
What is the average length of the day in May in Knoxville?
When are sunrise and sunset in May in Knoxville?
How long on average sun shines in May in Knoxville?
What is the UV index reading in May in Knoxville?
Average temperature in May
Knoxville, AL
- Average high temperature in May: 83.5°F
The warmest month (with the highest average high temperature) is July (91.9°F).
The month with the lowest average high temperature is January (52.9°F).
- Average low temperature in May: 62.2°F
The months with the highest average low temperature are July and August (71.6°F).
The coldest month (with the lowest average low temperature) is January (37.4°F).
Average pressure in May
Knoxville, AL
- Average pressure in May: 30"Hg
The month with the highest atmospheric pressure is January (30.16"Hg).
The month with the lowest atmospheric pressure is June (29.97"Hg).
Average wind speed in May
Knoxville, AL
- Average wind speed in May: 5.7mph
The windiest month (with the highest average wind speed) is February (7.2mph).
The calmest month (with the lowest average wind speed) is August (4.5mph).
Average humidity in May
Knoxville, AL
- Average humidity in May: 73%
The month with the highest relative humidity is December (80%).
The month with the lowest relative humidity is October (69%).
Average rainfall in May
Knoxville, AL
- Average rainfall in May: 2.8"
The wettest month (with the highest rainfall) is April (4.29").
The driest month (with the least rainfall) is October (2.28").
Average rainfall days in May
Knoxville, AL
- Average rainfall days in May: 14.2 days
The month with the highest number of rainy days is July (20.6 days).
The month with the least rainy days is November (8.5 days).
Average snowfall in May
Knoxville, AL
- Average snowfall in May: 0"
The month with the highest snowfall is January (0.55").
The months with the least snowfall are March, April, May, June, July, August, September, October and November (0").
Average snowfall days in May
Knoxville, AL
- Average snowfall days in May: 0 days
The months with the highest number of snowfall days are January and February (0.8 days).
The months with the least snowfall days are April, May, June, July, August, September and October (0 days).
Average daylight in May /
Average sunshine in May
Knoxville, AL
- Average daylight in May: 13h and 5min
The month with the longest days is June (Average daylight: 14h and 18min).
The month with the shortest days is December (Average daylight: 10h and 0min).
- Average sunshine in May: 9h and 5min
The month with the most sunshine is June (Average sunshine: 10h and 30min).
The months with the least sunshine are February and December (Average sunshine: 4h and 48min).
Average sunshine days in May
Knoxville, AL
- Average sunshine days in May: 15.3 days
The month with the most sunshine days is October (20.5 days).
The month with the least sunshine days is July (8.8 days).
Average UV index in May
Knoxville, AL
- Average UV index in May: 6
The months with the highest UV index are June, July and August (UV index 7).
The months with the lowest UV index are January, February and December (UV index 3).
Average cloud cover in May
Knoxville, AL
- Average cloud cover in May: 34
The months with the most cloud cover are February and December (Cloud cover 48).
The month with the least cloud cover is September (Cloud cover 29).
Average visibility in May
Knoxville, AL
- 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).
Knoxville, Alabama, USA
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