May weather forecast
Prestonsburg, KY

Weather in May

The last month of the spring, May, is a moderately hot month in Prestonsburg, Kentucky, with temperature in the range of an average high of 76.6°F (24.8°C) and an average low of 54.5°F (12.5°C).

Temperature

In May, the average high-temperature increases from an enjoyable 66.4°F (19.1°C) in April to a moderately hot 76.6°F (24.8°C). In Prestonsburg, the average low-temperature is 54.5°F (12.5°C).

Humidity

The average relative humidity in May is 77%.

Rainfall

In Prestonsburg, in May, it is raining for 19.3 days, with typically 3.23" (82mm) of accumulated precipitation. Throughout the year, in Prestonsburg, there are 181.8 rainfall days, and 33.43" (849mm) of precipitation is accumulated.

Snowfall

May through September are months without snowfall.

Daylight

In May, the average length of the day in Prestonsburg, Kentucky, is 14h and 13min.
On the first day of the month, sunrise is at 6:35 am and sunset at 8:21 pm. On the last day of May, sunrise is at 6:11 am and sunset at 8:46 pm EDT.

Sunshine

In May, the average sunshine is 9.4h.

UV index

The months with the highest UV index are May through August, with an average maximum UV index of 6. A UV Index reading of 6 to 7 represents a high health vulnerability from unsafe exposure to UV radiation for average individuals.
Note: In May, the average maximum UV index of 6 translate into the following recommendations:
Take precautions against overexposure. Protection against sun damage is needed. Seek shade and minimize exposure to direct Sun in a period between 10 a.m. and 4 p.m. when UV radiation is most intense; keep in mind that shade structures like parasols or canopies do not provide perfect sun protection. A wide-brim hat offers excellent sun protection for the eyes, ears, face, and neck. Sunglasses with UVA and UVB protection significantly reduce eye damage from sun exposure. Tightly woven, loose-fitting clothes provide additional protection from the Sun. Beware! The strength of the UV rays is increased nearly double-fold by the reflection of the snow.
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FAQ

What is the average humidity in May in Prestonsburg?

The average relative humidity in May in Prestonsburg is 77%.

How many days does it rain in May in Prestonsburg?

In Prestonsburg, Kentucky, during May, the rain falls for 19.3 days and regularly aggregates up to 3.23" (82mm) of precipitation.

When it does not snow in Prestonsburg?

In Prestonsburg, snow does not fall in May through September.

Does it snow in Prestonsburg in May?

In May, in Prestonsburg, it doesn't snow. April is the latest month when it typically snows.

How many hours of daylight does Prestonsburg have in May?

The average day length in May in Prestonsburg, Kentucky, is 14h and 13min.

When is the sunrise / sunset in May in Prestonsburg?

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 6:11 am and sunset at 8:46 pm EDT.

How long on average sun shines in May in Prestonsburg?

In May, the average sunshine duration in Prestonsburg is 9.4h.

What is the month with the highest UV index in Prestonsburg?

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

What is the UV index intensity in May in Prestonsburg?

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 unprotected exposure to UV radiation.
Average humidity
Average rainfall days
Average snowfall
Average snowfall days
Average sunshine
Average sunshine days
Average UV index
Average cloud cover
Average visibility

Average temperature in May
Prestonsburg, KY

Average temperature in May - Prestonsburg, KY
  • Average high temperature in May: 76.6°F

The warmest month (with the highest average high temperature) is July (86.9°F).
The month with the lowest average high temperature is January (40.6°F).

  • Average low temperature in May: 54.5°F

The month with the highest average low temperature is July (63.7°F).
The coldest month (with the lowest average low temperature) is January (27.1°F).

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Average pressure in May
Prestonsburg, KY

Average pressure in May - Prestonsburg, KY
  • Average pressure in May: 30.01"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).

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Average wind speed in May
Prestonsburg, KY

Average wind speed in May - Prestonsburg, KY
  • Average wind speed in May: 5.7mph

The windiest month (with the highest average wind speed) is April (6.6mph).
The calmest month (with the lowest average wind speed) is August (4mph).

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Average humidity in May
Prestonsburg, KY

Average humidity in May - Prestonsburg, KY
  • Average humidity in May: 77%

The month with the highest relative humidity is February (80%).
The months with the lowest relative humidity are August and November (74%).

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Average rainfall in May
Prestonsburg, KY

Average rainfall in May - Prestonsburg, KY
  • Average rainfall in May: 3.23"

The wettest month (with the highest rainfall) is February (3.66").
The driest month (with the least rainfall) is September (1.85").

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Average rainfall days in May
Prestonsburg, KY

Average rainfall days in May - Prestonsburg, KY
  • Average rainfall days in May: 19.3 days

The month with the highest number of rainy days is May (19.3 days).
The month with the least rainy days is November (11.4 days).

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Average snowfall in May
Prestonsburg, KY

Average snowfall in May - Prestonsburg, KY
  • Average snowfall in May: 0"

The month with the highest snowfall is January (3.62").
The months with the least snowfall are May, June, July, August and September (0").

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Average snowfall days in May
Prestonsburg, KY

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

The month with the highest number of snowfall days is January (11.6 days).
The months with the least snowfall days are June, July, August and September (0 days).

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

Average daylight in May / Average sunshine in May - Prestonsburg, KY
  • Average daylight in May: 14h and 13min

The month with the longest days is June (Average daylight: 14h and 44min).
The month with the shortest days is December (Average daylight: 9h and 37min).

  • Average sunshine in May: 9h and 24min

The month with the most sunshine is August (Average sunshine: 10h and 24min).
The month with the least sunshine is January (Average sunshine: 4h and 12min).

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Average sunshine days in May
Prestonsburg, KY

Average sunshine days in May - Prestonsburg, KY
  • Average sunshine days in May: 9.8 days

The month with the most sunshine days is October (16.1 days).
The month with the least sunshine days is February (8.3 days).

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Average UV index in May
Prestonsburg, KY

Average UV index in May - Prestonsburg, KY
  • 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).

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Average cloud cover in May
Prestonsburg, KY

Average cloud cover in May - Prestonsburg, KY
  • Average cloud cover in May: 40

The month with the most cloud cover is January (Cloud cover 58).
The month with the least cloud cover is August (Cloud cover 30).

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Average visibility in May
Prestonsburg, KY

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

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

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