Knoxville
Georgia, USA
Long-term weather forecast
Long-term weather forecast

May weather forecast and climate
Knoxville, GA

The last month of the spring, May, is also a moderately hot month in Knoxville, Georgia, with average temperature varying between 63.3°F (17.4°C) and 82.2°F (27.9°C).

Temperature

In Knoxville, Georgia, the average high-temperature marginally rises, from a warm 75.2°F (24°C) in April, to a still moderately hot 82.2°F (27.9°C). In Knoxville, the average low-temperature is 63.3°F (17.4°C).

Heat index

The average heat index in May is calculated to a tropical 87.3°F (30.7°C). Exhaustion is likely with prolonged exposure and activity. Sustaining activity may result in heat cramps.
Take into consideration that the heat index values are calculated for shade and light wind conditions. With the exposure to direct sunlight, the heat index may be increased by up to 15 Fahrenheit (8 Celsius) degrees.
Note: The heat index, also known as 'felt air temperature', 'real feel', 'apparent temperature', or 'feels like', combines air temperature and relative humidity to represent a human perceived temperature equivalent. Additional factors like clothing, metabolic differences, pregnancy, and activity influence one's weather impression. Be aware that direct exposure to sunlight increases heat impact, and may raise the heat index additionally, by up to 15 Fahrenheit (8 Celsius) degrees. Heat index values are particularly important for children. Children are often less aware of the need to rest and re-hydrate. Thirst is a late sign of dehydration - it is vital to remain hydrated, particularly during prolonged physical activities.

Humidity

In Knoxville, the average relative humidity is 72%.

Rainfall

In May, in Knoxville, the rain falls for 11.9 days. Throughout May, 1.06" (27mm) of precipitation is accumulated. In Knoxville, during the entire year, the rain falls for 126.6 days and collects up to 13.46" (342mm) of precipitation.

Snowfall

January, March through December are months without snowfall.

Daylight

In May, the average length of the day is 13.9h.

Sunshine

The average sunshine in May is 10.2h.

UV index

The average daily maximum UV index in May is 6. A UV Index value of 6 to 7 symbolizes a high health hazard from unsafe exposure to the UV radiation for the ordinary person.
Note: In May, the average maximum UV index of 6 translate into the following recommendations:
Take precautions and adopt sun safety practices. Protection against sunburn is obliged. The Sun's UV radiation is most powerful between 10 a.m. and 4 p.m. To the extent possible, limit exposure to the direct sun during these hours. On bright days sunglasses that block both UVA and UVB rays should be worn. A hat with a wide brim is extremely helpful, as it can prevent roughly 50% of UV radiation from reaching the eyes.

What is the temperature in May in Knoxville?

In Knoxville, in May, the average high-temperature is 82.2°F (27.9°C), and the average low-temperature is 63.3°F (17.4°C). The average heat index (a.k.a. 'real feel', 'felt air temperature'), that represents influence of the relative humidity to air temperaure, in May is appraised at 87.3°F (30.7°C).

What is the average humidity in May in Knoxville?

In Knoxville, Georgia, the average relative humidity in May is 72%.

How much does it rain in Knoxville in May?

In Knoxville, in May, it is raining for 11.9 days, with typically 1.06" (27mm) of accumulated precipitation.

When it does not snow in Knoxville?

In Knoxville snow does not fall in January, March through December.

How many hours of daylight does Knoxville have in May?

In May, the average length of the day in Knoxville, Georgia, is 13.9h.

How many hours of sunshine does Knoxville have in May?

In Knoxville, Georgia, the average sunshine in May is 10.2h.

How high is the UV index in May in Knoxville?

The average daily maximum UV index in May in Knoxville, Georgia, is 6. A UV Index reading of 6 to 7 represents a high health risk from the exposure to the Sun's UV radiation.
Average temperature in May - Knoxville, GA
  • Average high temperature in May: 82.2°F

The warmest month (with the highest average high temperature) is July (91°F).
The month with the lowest average high temperature is January (55°F).

  • Average low temperature in May: 63.3°F

The month with the highest average low temperature is July (73°F).
The coldest month (with the lowest average low temperature) is January (38.8°F).

Average humidity in May - Knoxville, GA
  • Average humidity in May: 72%

The month with the highest relative humidity is December (75%).
Months with the lowest relative humidity are January, October and November (70%).

Average rainfall in May - Knoxville, GA
  • Average rainfall in May: 1.06"

The wettest month (with the highest rainfall) is August (1.77").
The driest month (with the least rainfall) is September (0.71").

Average rainfall days in May - Knoxville, GA
  • Average rainfall days in May: 11.9 days

The month with the highest number of rainy days is August (17.2 days).
The month with the least rainy days is November (5.5 days).

Average snowfall in May - Knoxville, GA
  • Average snowfall in May: 0"

The month with the highest snowfall is February (0.04").
Months with the least snowfall are January, March, April, May, June, July, August, September, October, November and December (0").

Average snowfall days in May - Knoxville, GA
  • Average snowfall days in May: 0 days

The month with the highest number of snowfall days is February (0.2 days).
Months with the least snowfall days are January, April, May, June, July, August, September, October, November and December (0 days).

Average daylight in May / Average sunshine in May - Knoxville, GA
  • Average daylight in May: 13.9h

The month with the longest days is June (Average daylight: 14.3h).
The month with the shortest days is December (Average daylight: 10h).

  • Average sunshine in May: 10.2h

Months with the most sunshine are June and July (Average sunshine: 10.7h).
The month with the least sunshine is December (Average sunshine: 5.2h).

Average UV index in May - Knoxville, GA
  • Average UV index in May: 6

Months with the highest UV index are June and July (UV index 7).
Months with the lowest UV index are January and December (UV index 3).