May weather forecast
May, KY

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Weather in May

May, the last month of the spring in May, is a warm month, with temperature in the range of an average high of 74.1°F (23.4°C) and an average low of 52.9°F (11.6°C).

Temperature

With the transition into May, May experiences an increase in average high-temperatures, moving up from an enjoyable 64.9°F (18.3°C) in April to a moderately hot 74.1°F (23.4°C). An average minimum temperature of 52.9°F (11.6°C) is recorded during the month of May.

Humidity

In May, the average relative humidity in May is 79%.

Rainfall

In May, during May, the rain falls for 20.8 days and regularly aggregates up to 3.86" (98mm) of precipitation. In May, during the entire year, the rain falls for 195.8 days and collects up to 40.35" (1025mm) of precipitation.

Snowfall

Months with snowfall are January through May, October through December. May is the last month it regularly snows. During 0.1 snowfall days, in May, May aggregates 0.04" (1mm) of snow. In May, Kentucky, during the entire year, snow falls for 38.6 days and aggregates up to 19.29" (490mm) of snow.

Daylight

The average length of the day in May is 14h and 11min.
On the first day of May, sunrise is at 6:35 am and sunset at 8:21 pm. On the last day of the month, sunrise is at 6:12 am and sunset at 8:45 pm EDT.

Sunshine

In May, the average sunshine is 9h.

UV index

May, June and 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 average person.
Note: In May, an average UV index of 6 transforms into the following instructions:
Escape overexposure. People with light skin may incur burns in fewer than 20 minutes. Stay out of direct sunlight between 10 a.m. and 4 p.m., when UV radiation is most intense, and remember that not all shade structures provide complete protection. 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. Take note! UV radiation from the Sun can double in intensity due to snow reflection.
Updated: Jun 15, 2024
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate

Frequently asked questions

What are May temperatures?

May has an average high-temperature of 74.1°F (23.4°C) and an average low-temperature of 52.9°F (11.6°C).

What is the average humidity?

In May, the average relative humidity is 79%.

How much does it rain?

In May, the rain falls for 20.8 days. Throughout May, 3.86" (98mm) of precipitation is accumulated.

What is the last month it snows?

May is the last month it regularly snows. During 0.1 snowfall days, in May, May aggregates 0.04" (1mm) of snow.

What is the average length of the day?

In May, the average day length is 14h and 11min.

What time are sunrise and sunset?

In May, on the first day of the month, sunrise is at 6:35 am and sunset at 8:21 pm. On the last day of the month, in May, sunrise is at 6:12 am and sunset at 8:45 pm EDT.

How long on average sun shines?

The average sunshine duration is 9h.

What are the months with the highest UV index?

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

What is the UV index intensity?

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

Average temperature in May
May, KY

Average temperature in May - May, KY
  • Average high temperature in May: 74.1°F

The warmest month (with the highest average high temperature) is July (83.8°F).
The month with the lowest average high temperature is January (40.1°F).

  • Average low temperature in May: 52.9°F

The month with the highest average low temperature is July (61.3°F).
The coldest month (with the lowest average low temperature) is January (26.4°F).

Average pressure in May
May, KY

Average pressure in May - May, KY
  • 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 (29.99"Hg).

Average wind speed in May
May, KY

Average wind speed in May - May, KY
  • Average wind speed in May: 5.5mph

The windiest month (with the highest average wind speed) is April (6.7mph).
The calmest month (with the lowest average wind speed) is August (3.9mph).

Average humidity in May
May, KY

Average humidity in May - May, KY
  • Average humidity in May: 79%

The month with the highest relative humidity is February (81%).
The month with the lowest relative humidity is November (76%).

Average rainfall in May
May, KY

Average rainfall in May - May, KY
  • Average rainfall in May: 3.86"

The wettest month (with the highest rainfall) is February (4.13").
The driest month (with the least rainfall) is September (2.48").

Average rainfall days in May
May, KY

Average rainfall days in May - May, KY
  • Average rainfall days in May: 20.8 days

The months with the highest number of rainy days are May and July (20.8 days).
The month with the least rainy days is February (12.6 days).

Average snowfall in May
May, KY

Average snowfall in May - May, KY
  • Average snowfall in May: 0.04"

The month with the highest snowfall is January (5").
The months with the least snowfall are June, July, August and September (0").

Average snowfall days in May
May, KY

Average snowfall days in May - May, KY
  • Average snowfall days in May: 0.1 days

The month with the highest number of snowfall days is January (11.1 days).
The months with the least snowfall days are June, July, August and September (0 days).

Average daylight in May /
Average sunshine in May
May, KY

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

The month with the longest days is June (Average daylight: 14h and 42min).
The month with the shortest days is December (Average daylight: 9h and 36min).

  • Average sunshine in May: 9h and 0min

The month with the most sunshine is June (Average sunshine: 9h and 54min).
The month with the least sunshine is January (Average sunshine: 4h and 18min).

Average sunshine days in May
May, KY

Average sunshine days in May - May, KY
  • Average sunshine days in May: 8 days

The month with the most sunshine days is November (15.1 days).
The month with the least sunshine days is May (8 days).

Average UV index in May
May, KY

Average UV index in May - May, KY
  • Average UV index in May: 6

The months with the highest UV index are May, June and August (UV index 6).
The months with the lowest UV index are January, February, November and December (UV index 2).

Average cloud cover in May
May, KY

Average cloud cover in May - May, KY
  • Average cloud cover in May: 43

The month with the most cloud cover is February (Cloud cover 60).
The month with the least cloud cover is August (Cloud cover 35).

Average visibility in May
May, KY

Average visibility in May - May, KY
  • Average visibility in May: 5mi

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

May, Kentucky, USA

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