May weather forecast
Blackburn, KY

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Weather in May

May, the last month of the spring in Blackburn, is a warm month, with an average temperature fluctuating between 58.3°F (14.6°C) and 75.6°F (24.2°C).

Temperature

The shift into May is marked by a rise in the average high-temperature, moving from April's enjoyable 66.4°F (19.1°C) to a warm 75.6°F (24.2°C). An average low-temperature of 58.3°F (14.6°C) is recorded during the nights in May.

Humidity

With an average relative humidity of 80%, May is the most humid month.

Rainfall

In Blackburn, in May, it is raining for 16.7 days, with typically 2.4" (61mm) of accumulated precipitation. In Blackburn, during the entire year, the rain falls for 146.3 days and collects up to 24.96" (634mm) of precipitation.

Snowfall

In Blackburn, snow does not fall in May through October.

Daylight

The average length of the day in May in Blackburn, Kentucky, is 14h and 13min.
On the first day of May, sunrise is at 5:55 am and sunset at 7:43 pm. On the last day of the month, sunrise is at 5:32 am and sunset at 8:08 pm CDT.

Sunshine

The average sunshine in May 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 hazard from exposure to the Sun's UV radiation for ordinary individuals.
Note: The UV index of 6 during May translates into the following guidance:
Sustain precautions and conform to sun safety norms. Preventing sunburn is necessary. Stay in the shade and avoid direct Sun exposure from 10 a.m. to 4 p.m., a time when UV radiation is at its strongest, and remember that parasols or canopies do not offer full protection. For a sun-safe wardrobe, go for clothes that are tightly woven and generously sized.
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Frequently asked questions

What is the usual temperature for Blackburn in May?

The high-temperature during May is 75.6°F (24.2°C) and the low-temperature is 58.3°F (14.6°C).

What is the most humid month in Blackburn?

With an average relative humidity of 80%, May is the most humid month in Blackburn.

What is the average humidity in May in Blackburn?

In Blackburn, the average relative humidity in May is 80%.

How many days does it rain in May in Blackburn?

In Blackburn, in May, it is raining for 16.7 days, with typically 2.4" (61mm) of accumulated precipitation.

When it does not snow in Blackburn?

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

Does it snow in Blackburn in May?

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

What is the average length of the day in May in Blackburn?

In Blackburn, Kentucky, the average day length in May is 14h and 13min.

When is the sunrise / sunset in May in Blackburn?

On the first day of May, sunrise is at 5:55 am and sunset at 7:43 pm. On the last day of the month, sunrise is at 5:32 am and sunset at 8:08 pm CDT.

How many hours of sunshine does Blackburn have in May?

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

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

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

How high is the UV index in May in Blackburn?

In Blackburn, Kentucky, the average daily maximum UV index in May is 6. A UV Index estimate of 6 to 7 represents a high health threat 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
Blackburn, KY

Average temperature in May - Blackburn, KY
  • Average high temperature in May: 75.6°F

The warmest month (with the highest average high temperature) is July (86.2°F).
The month with the lowest average high temperature is January (39.7°F).

  • Average low temperature in May: 58.3°F

The month with the highest average low temperature is July (68.4°F).
The coldest month (with the lowest average low temperature) is January (26.8°F).

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Average pressure in May
Blackburn, KY

Average pressure in May - Blackburn, 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
Blackburn, KY

Average wind speed in May - Blackburn, KY
  • Average wind speed in May: 8mph

The windiest month (with the highest average wind speed) is February (9.8mph).
The calmest months (with the lowest average wind speed) are July and August (5.8mph).

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Average humidity in May
Blackburn, KY

Average humidity in May - Blackburn, KY
  • Average humidity in May: 80%

The month with the highest relative humidity is May (80%).
The month with the lowest relative humidity is October (70%).

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Average rainfall in May
Blackburn, KY

Average rainfall in May - Blackburn, KY
  • Average rainfall in May: 2.4"

The wettest month (with the highest rainfall) is April (3.27").
The driest month (with the least rainfall) is September (1.14").

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Average rainfall days in May
Blackburn, KY

Average rainfall days in May - Blackburn, KY
  • Average rainfall days in May: 16.7 days

The month with the highest number of rainy days is May (16.7 days).
The month with the least rainy days is November (9 days).

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Average snowfall in May
Blackburn, KY

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

The month with the highest snowfall is February (0.87").
The months with the least snowfall are May, June, July, August, September and October (0").

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Average snowfall days in May
Blackburn, KY

Average snowfall days in May - Blackburn, 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
Blackburn, KY

Average daylight in May / Average sunshine in May - Blackburn, 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 36min).

  • Average sunshine in May: 9h and 2min

The month with the most sunshine is July (Average sunshine: 10h and 36min).
The month with the least sunshine is January (Average sunshine: 4h and 30min).

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Average sunshine days in May
Blackburn, KY

Average sunshine days in May - Blackburn, KY
  • Average sunshine days in May: 11.2 days

The month with the most sunshine days is October (20.5 days).
The month with the least sunshine days is May (11.2 days).

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Average UV index in May
Blackburn, KY

Average UV index in May - Blackburn, 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
Blackburn, KY

Average cloud cover in May - Blackburn, KY
  • Average cloud cover in May: 37

The month with the most cloud cover is January (Cloud cover 51).
The month with the least cloud cover is June (Cloud cover 27).

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Average visibility in May
Blackburn, KY

Average visibility in May - Blackburn, 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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Blackburn, Kentucky, USA

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