May weather forecast
Port Royal, KY

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Weather in May

The last month of the spring, May, is a moderately hot month in Port Royal, Kentucky, with an average temperature varying between 55.9°F (13.3°C) and 74.3°F (23.5°C).

Temperature

May's arrival coincides with a rise in the average high-temperature, moving from April's refreshing 64.9°F (18.3°C) to a warm 74.3°F (23.5°C). In Port Royal, the average temperature during the nights of May drops to a moderate 55.9°F (13.3°C).

Humidity

The average relative humidity in May in Port Royal is 79%.

Rainfall

In Port Royal, in May, during 19 rainfall days, 3.5" (89mm) of precipitation is typically accumulated. Throughout the year, in Port Royal, there are 174.2 rainfall days, and 36.1" (917mm) of precipitation is accumulated.

Snowfall

May through October are months without snowfall.

Daylight

In Port Royal, the average length of the day in May is 14h and 17min.
On the first day of the month, sunrise is at 6:42 am and sunset at 8:32 pm. On the last day of May, in Port Royal, sunrise is at 6:17 am and sunset at 8:58 pm EDT.

Sunshine

The average sunshine in May is 8.9h.

UV index

In May, the average daily maximum UV index is 5. A UV Index estimate of 3 to 5 represents a medium health hazard from exposure to the Sun's UV radiation for average individuals.
Note: In May, an average UV index of 5 transforms into the following instructions:
Act with care - Obligation to protect against skin and eye damage is highlighted. Minimize direct exposure to the Sun during midday when its radiation is at its peak. For optimum UV protection, wear sun-resistant attire complemented with a hat and quality shades.
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Frequently asked questions

What are the temperatures in Port Royal in May?

The average high-temperature, in May, in Port Royal, is 74.3°F (23.5°C), while the average low-temperature is 55.9°F (13.3°C).

What is the average humidity in May in Port Royal?

The average relative humidity in May in Port Royal, Kentucky, is 79%.

How much does it rain in Port Royal in May?

In Port Royal, in May, it is raining for 19 days, with typically 3.5" (89mm) of accumulated precipitation.

When it does not snow in Port Royal?

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

Does it snow in Port Royal in May?

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

How many hours of daylight does Port Royal have in May?

In May, the average day length in Port Royal, Kentucky, is 14h and 17min.

When are sunrise and sunset in May in Port Royal?

In May, on the first day of the month, sunrise is at 6:42 am and sunset at 8:32 pm. On the last day of the month, in Port Royal, sunrise is at 6:17 am and sunset at 8:58 pm EDT.

How long on average sun shines in May in Port Royal?

In Port Royal, the average sunshine duration in May is 8.9h.

What is the UV index intensity in May in Port Royal?

The average daily maximum UV index in May is 5. A UV Index estimate of 3 to 5 represents a moderate vulnerability from unprotected exposure to UV radiation.
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
Port Royal, KY

Average temperature in May - Port Royal, KY
  • Average high temperature in May: 74.3°F

The warmest month (with the highest average high temperature) is July (85.3°F).
The month with the lowest average high temperature is January (37.2°F).

  • Average low temperature in May: 55.9°F

The month with the highest average low temperature is July (65.8°F).
The coldest month (with the lowest average low temperature) is January (24.3°F).

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Average pressure in May
Port Royal, KY

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

The month with the highest atmospheric pressure is January (30.15"Hg).
The month with the lowest atmospheric pressure is June (29.94"Hg).

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Average wind speed in May
Port Royal, KY

Average wind speed in May - Port Royal, KY
  • Average wind speed in May: 6.4mph

The windiest month (with the highest average wind speed) is January (8.4mph).
The calmest months (with the lowest average wind speed) are July and August (4.9mph).

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Average humidity in May
Port Royal, KY

Average humidity in May - Port Royal, 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 (75%).

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Average rainfall in May
Port Royal, KY

Average rainfall in May - Port Royal, KY
  • Average rainfall in May: 3.5"

The wettest month (with the highest rainfall) is April (4.06").
The driest month (with the least rainfall) is September (2.13").

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Average rainfall days in May
Port Royal, KY

Average rainfall days in May - Port Royal, KY
  • Average rainfall days in May: 19 days

The month with the highest number of rainy days is May (19 days).
The month with the least rainy days is February (10.4 days).

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Average snowfall in May
Port Royal, KY

Average snowfall in May - Port Royal, KY
  • Average snowfall in May: 0"

The month with the highest snowfall is February (2.52").
The months with the least snowfall are May, June, July, August, September and October (0").

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Average snowfall days in May
Port Royal, KY

Average snowfall days in May - Port Royal, KY
  • Average snowfall days in May: 0 days

The month with the highest number of snowfall days is January (8.4 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
Port Royal, KY

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

The month with the longest days is June (Average daylight: 14h and 48min).
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 12min).
The month with the least sunshine is January (Average sunshine: 4h and 6min).

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Average sunshine days in May
Port Royal, KY

Average sunshine days in May - Port Royal, KY
  • Average sunshine days in May: 9.8 days

The month with the most sunshine days is October (17.5 days).
The month with the least sunshine days is May (9.8 days).

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Average UV index in May
Port Royal, KY

Average UV index in May - Port Royal, KY
  • Average UV index in May: 5

The months with the highest UV index are 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
Port Royal, KY

Average cloud cover in May - Port Royal, KY
  • Average cloud cover in May: 42

The month with the most cloud cover is January (Cloud cover 58).
The month with the least cloud cover is August (Cloud cover 29).

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Average visibility in May
Port Royal, KY

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

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

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Port Royal, Kentucky, USA

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