May weather forecast
Millstone, KY

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Weather in May

May, the last month of the spring in Millstone, is a moderately hot month, with an average temperature varying between 52.9°F (11.6°C) and 74.1°F (23.4°C).

Temperature

With the onset of May, the average high-temperature slightly shifts from April's comfortable 64.9°F (18.3°C) to a warm 74.1°F (23.4°C). During May, Millstone experiences a consistent low-temperature average of 52.9°F (11.6°C).

Humidity

The average relative humidity in May is 79%.

Rainfall

In May, the rain falls for 20.8 days. Throughout May, 3.86" (98mm) of precipitation is accumulated. Throughout the year, there are 195.8 rainfall days, and 40.35" (1025mm) of precipitation is accumulated.

Snowfall

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

Daylight

In Millstone, the average length of the day in May is 14h and 11min.
On the first day of the month, sunrise is at 6:35 am and sunset at 8:20 pm. On the last day of May, sunrise is at 6:12 am and sunset at 8:45 pm EDT.

Sunshine

The average sunshine in May 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 reading of 6 to 7 represents a high health hazard from unsafe exposure to UV radiation for ordinary individuals.
Note: In May, an average UV index of 6 transforms into the following instructions:
Evade overexposure. Individuals with fair skin risk burning in under 20 minutes. 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. Select sunglasses that boast both UVA and UVB protection to limit the adverse effects of the sun on the eyes. Observe! Snow reflection can nearly intensify the Sun's UV radiation twofold.
Updated: Jun 29, 2024
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate

Frequently asked questions

What is the temperature in May?

In May, in Millstone, the average high-temperature is 74.1°F (23.4°C), and the average low-temperature is 52.9°F (11.6°C).

What is the average humidity in May?

In May, the average relative humidity is 79%.

How much does it rain in May?

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, Millstone aggregates 0.04" (1mm) of snow.

How many hours of daylight does Millstone have in May?

The average day length in May is 14h and 11min.

When is the sunrise / sunset in May?

In May, on the first day of the month, sunrise is at 6:35 am and sunset at 8:20 pm. On the last day of the month, sunrise is at 6:12 am and sunset at 8:45 pm EDT.

How long on average sun shines in May?

In Millstone, the average sunshine duration in May 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 reading in May?

In May, the average daily maximum UV index is 6. A UV Index reading of 6 to 7 represents a high health threat from unprotected exposure to 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
Millstone, KY

Average temperature in May - Millstone, 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
Millstone, KY

Average pressure in May - Millstone, 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
Millstone, KY

Average wind speed in May - Millstone, 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
Millstone, KY

Average humidity in May - Millstone, 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
Millstone, KY

Average rainfall in May - Millstone, 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
Millstone, KY

Average rainfall days in May - Millstone, 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
Millstone, KY

Average snowfall in May - Millstone, 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
Millstone, KY

Average snowfall days in May - Millstone, 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
Millstone, KY

Average daylight in May / Average sunshine in May - Millstone, 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 42min).

  • 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
Millstone, KY

Average sunshine days in May - Millstone, 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
Millstone, KY

Average UV index in May - Millstone, 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
Millstone, KY

Average cloud cover in May - Millstone, 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
Millstone, KY

Average visibility in May - Millstone, 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).

Millstone, Kentucky, USA

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