May weather forecast
Louisville, TN

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Weather in May

The last month of the spring, May, is a moderately hot month in Louisville, Tennessee, with an average temperature ranging between min 55.4°F (13°C) and max 77.5°F (25.3°C).

Temperature

Louisville in May experiences an increase in the average high-temperature, moving from April's agreeable 68.5°F (20.3°C) to a warm 77.5°F (25.3°C). Louisville experiences a significant reduction from daytime highs with an average low-temperature of 55.4°F (13°C) in May.

Humidity

The average relative humidity in May is 75%.

Rainfall

In Louisville, in May, it is raining for 13.9 days, with typically 1.38" (35mm) of accumulated precipitation. Throughout the year, there are 148.2 rainfall days, and 18.23" (463mm) of precipitation is accumulated.

Snowfall

April through September are months without snowfall in Louisville.

Daylight

In Louisville, Tennessee, the average length of the day in May 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, sunrise is at 6:21 am and sunset at 8:46 pm EDT.

Sunshine

The average sunshine in May is 10.2h.

UV index

May through August, with an average maximum UV index of 6, are months with the highest UV index. A UV Index of 6 to 7 symbolizes a high health risk from unsafe exposure to UV radiation for the ordinary person.
Note: The maximum daily UV index of 6 in May converts into the following recommendations:
Implement precautions and maintain sun safety methods. Avoidance of sunburn is demanded. Try to minimize direct Sun exposure between 10 a.m. and 4 p.m., the peak period for UV radiation. Also note that objects like parasols or canopies might not provide complete sun protection. Shield yourself from the harmful effects of UV radiation with sun-protective attire, a hat, and quality sunglasses.
Updated: Aug 30, 2024
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate

Frequently asked questions

What are the temperatures in May?

Louisville in May has an average high-temperature of 77.5°F (25.3°C) and an average low-temperature of 55.4°F (13°C).

What is the average humidity in May?

In Louisville, the average relative humidity in May is 75%.

How much does it rain in May?

In Louisville, during May, the rain falls for 13.9 days and regularly aggregates up to 1.38" (35mm) of precipitation.

When it does not snow?

In Louisville, snow does not fall in April through September.

How many hours of daylight does Louisville have in May?

In Louisville, the average day length in May is 14h and 5min.

When is the sunrise / sunset in May in Louisville?

On the first day of May, sunrise is at 6:42 am and sunset at 8:23 pm. On the last day of the month, sunrise is at 6:21 am and sunset at 8:46 pm EDT.

How many hours of sunshine does Louisville have in May?

In May, the average sunshine duration is 10.2h.

What are the months with the highest UV index?

May through August, with an average maximum UV index of 6, are months with the highest UV index.

What is the UV index reading in May?

In May, the average daily maximum UV index is 6. A UV Index reading of 6 to 7 represents a high hazard to health from unsafe exposure to Sun's UV rays.
Average humidity
Average rainfall days
Average snowfall
Average snowfall days
Average daylight
Average sunshine
Average sunshine days
Average UV index
Average cloud cover
Average visibility

Average temperature in May
Louisville, TN

Average temperature in May - Louisville, TN
  • Average high temperature in May: 77.5°F

The warmest month (with the highest average high temperature) is July (87.6°F).
The month with the lowest average high temperature is January (44.8°F).

  • Average low temperature in May: 55.4°F

The month with the highest average low temperature is July (65.5°F).
The coldest month (with the lowest average low temperature) is January (29.5°F).

Average pressure in May
Louisville, TN

Average pressure in May - Louisville, 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
Louisville, TN

Average wind speed in May - Louisville, TN
  • Average wind speed in May: 4.8mph

The windiest month (with the highest average wind speed) is April (5.9mph).
The calmest month (with the lowest average wind speed) is August (3.6mph).

Average humidity in May
Louisville, TN

Average humidity in May - Louisville, TN
  • Average humidity in May: 75%

The month with the highest relative humidity is December (79%).
The month with the lowest relative humidity is August (72%).

Average rainfall in May
Louisville, TN

Average rainfall in May - Louisville, TN
  • Average rainfall in May: 1.38"

The wettest month (with the highest rainfall) is July (2.2").
The driest month (with the least rainfall) is September (0.94").

Average rainfall days in May
Louisville, TN

Average rainfall days in May - Louisville, TN
  • Average rainfall days in May: 13.9 days

The month with the highest number of rainy days is July (16.3 days).
The month with the least rainy days is November (8.7 days).

Average snowfall in May
Louisville, TN

Average snowfall in May - Louisville, TN
  • Average snowfall in May: 0"

The month with the highest snowfall is February (0.98").
The months with the least snowfall are April, May, June, July, August and September (0").

Average snowfall days in May
Louisville, TN

Average snowfall days in May - Louisville, TN
  • Average snowfall days in May: 0 days

The month with the highest number of snowfall days is January (5.4 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
Louisville, TN

Average daylight in May / Average sunshine in May - Louisville, TN
  • Average daylight in May: 14h and 1min

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: 10h and 1min

The month with the most sunshine is June (Average sunshine: 10h and 48min).
The month with the least sunshine is January (Average sunshine: 5h and 6min).

Average sunshine days in May
Louisville, TN

Average sunshine days in May - Louisville, TN
  • Average sunshine days in May: 12.7 days

The month with the most sunshine days is November (19.3 days).
The months with the least sunshine days are February and July (12.5 days).

Average UV index in May
Louisville, TN

Average UV index in May - Louisville, 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
Louisville, TN

Average cloud cover in May - Louisville, TN
  • Average cloud cover in May: 33

The month with the most cloud cover is February (Cloud cover 52).
The month with the least cloud cover is June (Cloud cover 27).

Average visibility in May
Louisville, TN

Average visibility in May - Louisville, TN
  • Average visibility in May: 6mi

The months with the highest visibility are April, May, June, July, August, September, October, November and December (6mi).
The months with the lowest visibility are January, February and March (5mi).

Louisville, Tennessee, USA

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