May weather forecast
Union Star, KY

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Weather in May

The last month of the spring, May, is a warm month in Union Star, Kentucky, with an average temperature ranging between max 75.4°F (24.1°C) and min 57.6°F (14.2°C).

Temperature

In Union Star, stepping into May brings a gentle temperature nudge, moving slightly up from April's enjoyable 66.6°F (19.2°C) to a warm 75.4°F (24.1°C). Union Star experiences an average low-temperature of 57.6°F (14.2°C) in the month of May.

Humidity

The average relative humidity in May is 79%.

Rainfall

In Union Star, in May, it is raining for 15.7 days, with typically 1.42" (36mm) of accumulated precipitation. Throughout the year, in Union Star, there are 130.1 rainfall days, and 14.72" (374mm) of precipitation is accumulated.

Snowfall

May through October are months without snowfall.

Daylight

In Union Star, the average length of the day in May is 14h and 14min.
On the first day of May in Union Star, sunrise is at 5:48 am and sunset at 7:36 pm. On the last day of the month, sunrise is at 5:25 am and sunset at 8:02 pm CDT.

Sunshine

In Union Star, Kentucky, the average sunshine in May is 9h.

UV index

May through August, with an average maximum UV index of 6, are months with the highest UV index in Union Star. A UV Index reading of 6 to 7 represents a high health hazard from unprotected exposure to Sun's UV rays for the ordinary person.
Note: In May, the maximum UV index of 6 suggests this advice:
Use protective steps and abide by sun safety guidelines. Safeguarding against skin and eye harm is necessary. Stay in the shade and limit direct sun exposure between 10 a.m. and 4 p.m., when UV radiation is at its strongest. Remember, however, that not all shade structures provide full sun protection. A wide-brimmed hat provides unparalleled sun protection for sensitive areas like the eyes, ears, and neck.
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Frequently asked questions

What is the average May temperature in Union Star?

During May, Union Star experiences an average high-temperature of 75.4°F (24.1°C) and a low-temperature of 57.6°F (14.2°C).

What is the average humidity in May in Union Star?

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

How many days does it rain in May in Union Star?

In Union Star, Kentucky, in May, it is raining for 15.7 days, with typically 1.42" (36mm) of accumulated precipitation.

When it does not snow in Union Star?

May through October are months without snowfall.

Does it snow in Union Star in May?

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

How many hours of daylight does Union Star have in May?

In May, the average day length in Union Star is 14h and 14min.

What time are sunrise and sunset in May in Union Star?

In May, on the first day of the month, sunrise is at 5:48 am and sunset at 7:36 pm. On the last day of the month, in Union Star, Kentucky, sunrise is at 5:25 am and sunset at 8:02 pm CDT.

How long on average sun shines in May in Union Star?

In Union Star, Kentucky, the average sunshine duration in May is 9h.

What is the month with the highest UV index in Union Star?

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

What is the UV index reading in May in Union Star?

The average daily maximum UV index in May in Union Star is 6. A UV Index estimate of 6 to 7 represents a high health 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
Union Star, KY

Average temperature in May - Union Star, KY
  • Average high temperature in May: 75.4°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 (39.7°F).

  • Average low temperature in May: 57.6°F

The month with the highest average low temperature is July (67.1°F).
The coldest month (with the lowest average low temperature) is January (26.6°F).

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Average pressure in May
Union Star, KY

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

The month with the highest atmospheric pressure is January (30.16"Hg).
The month with the lowest atmospheric pressure is June (29.95"Hg).

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Average wind speed in May
Union Star, KY

Average wind speed in May - Union Star, KY
  • Average wind speed in May: 6.5mph

The windiest month (with the highest average wind speed) is February (8.1mph).
The calmest months (with the lowest average wind speed) are July and August (5mph).

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Average humidity in May
Union Star, KY

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

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

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Average rainfall in May
Union Star, KY

Average rainfall in May - Union Star, KY
  • Average rainfall in May: 1.42"

The wettest month (with the highest rainfall) is April (1.73").
The driest month (with the least rainfall) is September (0.51").

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Average rainfall days in May
Union Star, KY

Average rainfall days in May - Union Star, KY
  • Average rainfall days in May: 15.7 days

The month with the highest number of rainy days is May (15.7 days).
The month with the least rainy days is October (8.1 days).

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Average snowfall in May
Union Star, KY

Average snowfall in May - Union Star, KY
  • Average snowfall in May: 0"

The month with the highest snowfall is February (0.79").
The months with the least snowfall are May, June, July, August, September and October (0").

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Average snowfall days in May
Union Star, KY

Average snowfall days in May - Union Star, KY
  • Average snowfall days in May: 0 days

The month with the highest number of snowfall days is January (4.8 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
Union Star, KY

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

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 36min).

  • Average sunshine in May: 9h and 0min

The month with the most sunshine is August (Average sunshine: 10h and 24min).
The months with the least sunshine are January and February (Average sunshine: 4h and 18min).

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Average sunshine days in May
Union Star, KY

Average sunshine days in May - Union Star, KY
  • Average sunshine days in May: 12.6 days

The month with the most sunshine days is October (21.2 days).
The month with the least sunshine days is May (12.6 days).

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Average UV index in May
Union Star, KY

Average UV index in May - Union Star, 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
Union Star, KY

Average cloud cover in May - Union Star, KY
  • Average cloud cover in May: 41

The month with the most cloud cover is January (Cloud cover 55).
The month with the least cloud cover is August (Cloud cover 30).

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Average visibility in May
Union Star, KY

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

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

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Union Star, Kentucky, USA

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