May weather forecast
Dayton, KY

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Weather in May

The last month of the spring, May, is a warm month in Dayton, Kentucky, with an average temperature varying between 73.8°F (23.2°C) and 55.8°F (13.2°C).

Temperature

As May arrives, a rise in the average high-temperature is observed, moving from a comfortable 63.7°F (17.6°C) in April to a warm 73.8°F (23.2°C). Dayton, in May, observes a steady average low-temperature of 55.8°F (13.2°C).

Humidity

In May, the average relative humidity is 79%.

Rainfall

May is the month with the most rainfall. Rain falls for 17.7 days and accumulates 3.27" (83mm) of precipitation.

Snowfall

In Dayton, Kentucky, snow does not fall in May through October.

Daylight

In Dayton, Kentucky, the average length of the day in May is 14h and 20min.
On the first day of May in Dayton, sunrise is at 6:38 am and sunset at 8:31 pm. On the last day of the month, sunrise is at 6:13 am and sunset at 8:57 pm EDT.

Sunshine

In May, the average sunshine is 8.8h.

UV index

The months with the highest UV index are May through August, with an average maximum UV index of 6. A UV Index estimate of 6 to 7 represents a high health vulnerability from exposure to the Sun's UV radiation for ordinary individuals.
Note: A typical high UV index of 6 in May suggests the following recommendations:
Uphold preventive measures and conform to sun safety guidelines. Defending against skin and eye harm is crucial. The Sun's UV radiation is most potent between 10 a.m. and 4 p.m. Try to limit direct exposure to the Sun during this period. For excellent sun protection for the eyes, ears, face, and neck, consider a wide-brim hat.
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Frequently asked questions

What is the usual temperature for Dayton in May?

During May, Dayton experiences an average high-temperature of 73.8°F (23.2°C) and a low-temperature of 55.8°F (13.2°C).

What is the average humidity in May in Dayton?

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

What is the rainiest month in Dayton?

The month with the most rainfall in Dayton is May, when the rain falls for 17.7 days and typically aggregates up to 3.27" (83mm) of precipitation.

How many days does it rain in May in Dayton?

In Dayton, in May, it is raining for 17.7 days, with typically 3.27" (83mm) of accumulated precipitation.

When it does not snow in Dayton?

May through October are months without snowfall in Dayton, Kentucky.

Does it snow in Dayton in May?

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

How many hours of daylight does Dayton have in May?

In May, the average day length in Dayton, Kentucky, is 14h and 20min.

When is the sunrise / sunset in May in Dayton?

On the first day of May, sunrise is at 6:38 am and sunset at 8:31 pm. On the last day of the month, sunrise is at 6:13 am and sunset at 8:57 pm EDT.

How long on average sun shines in May in Dayton?

The average sunshine duration in May is 8.8h.

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

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

What is the UV index reading in May in Dayton?

In Dayton, the average daily maximum UV index in May is 6. A UV Index of 6 to 7 symbolizes a high health threat from 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
Dayton, KY

Average temperature in May - Dayton, KY
  • Average high temperature in May: 73.8°F

The warmest month (with the highest average high temperature) is July (84.7°F).
The month with the lowest average high temperature is January (36.1°F).

  • Average low temperature in May: 55.8°F

The month with the highest average low temperature is July (66°F).
The coldest month (with the lowest average low temperature) is January (23.7°F).

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Average pressure in May
Dayton, KY

Average pressure in May - Dayton, KY
  • Average pressure in May: 29.98"Hg

The months with the highest atmospheric pressure are January and November (30.14"Hg).
The month with the lowest atmospheric pressure is June (29.94"Hg).

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Average wind speed in May
Dayton, KY

Average wind speed in May - Dayton, KY
  • Average wind speed in May: 6.7mph

The windiest month (with the highest average wind speed) is January (8.7mph).
The calmest month (with the lowest average wind speed) is August (5mph).

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Average humidity in May
Dayton, KY

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

The months with the highest relative humidity are February and December (81%).
The months with the lowest relative humidity are August, September and October (74%).

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Average rainfall in May
Dayton, KY

Average rainfall in May - Dayton, KY
  • Average rainfall in May: 3.27"

The wettest month (with the highest rainfall) is May (3.27").
The driest month (with the least rainfall) is September (1.54").

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Average rainfall days in May
Dayton, KY

Average rainfall days in May - Dayton, KY
  • Average rainfall days in May: 17.7 days

The month with the highest number of rainy days is May (17.7 days).
The month with the least rainy days is February (8.2 days).

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Average snowfall in May
Dayton, KY

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

The month with the highest snowfall is February (2.01").
The months with the least snowfall are May, June, July, August, September and October (0").

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Average snowfall days in May
Dayton, KY

Average snowfall days in May - Dayton, KY
  • Average snowfall days in May: 0 days

The months with the highest number of snowfall days are January and February (5.5 days).
The months with the least snowfall days are May, June, July, August and September (0 days).

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

Average daylight in May / Average sunshine in May - Dayton, KY
  • Average daylight in May: 14h and 2min

The month with the longest days is June (Average daylight: 14h and 54min).
The month with the shortest days is December (Average daylight: 9h and 30min).

  • Average sunshine in May: 8h and 5min

The month with the most sunshine is July (Average sunshine: 10h and 18min).
The month with the least sunshine is January (Average sunshine: 3h and 54min).

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Average sunshine days in May
Dayton, KY

Average sunshine days in May - Dayton, KY
  • Average sunshine days in May: 10.9 days

The months with the most sunshine days are October and November (19.2 days).
The month with the least sunshine days is May (10.9 days).

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Average UV index in May
Dayton, KY

Average UV index in May - Dayton, 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, November and December (UV index 2).

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Average cloud cover in May
Dayton, KY

Average cloud cover in May - Dayton, KY
  • Average cloud cover in May: 42

The month with the most cloud cover is January (Cloud cover 59).
The month with the least cloud cover is August (Cloud cover 27).

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Average visibility in May
Dayton, KY

Average visibility in May - Dayton, KY
  • Average visibility in May: 6mi

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

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Dayton, Kentucky, USA

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