May weather forecast
Heidelberg, KY

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Weather in May

May, the last month of the spring in Heidelberg, is a moderately hot month, with temperature in the range of an average low of 55°F (12.8°C) and an average high of 75.9°F (24.4°C).

Temperature

In Heidelberg, the onset of May comes with an increased average high-temperature, moving from April's comfortable 66.6°F (19.2°C) to a moderately hot 75.9°F (24.4°C). An average nighttime temperature of 55°F (12.8°C) is recorded in Heidelberg during May.

Humidity

In Heidelberg, the average relative humidity in May is 77%.

Rainfall

The months with the most rainfall in Heidelberg are February and May, with an average 3.46" (88mm) of precipitation.

Snowfall

May through September are months without snowfall.

Daylight

In Heidelberg, the average length of the day in May is 14h and 13min.
On the first day of the month, sunrise is at 6:38 am and sunset at 8:25 pm. On the last day of May, sunrise is at 6:15 am and sunset at 8:50 pm EDT.

Sunshine

In Heidelberg, the average sunshine in May is 9.3h.

UV index

The months with the highest UV index are May through August, with an average maximum UV index of 6. A UV Index value of 6 to 7 symbolizes a high health vulnerability from unsafe exposure to UV radiation for the average person.
Note: In May, the maximum UV index of 6 suggests this advice:
Continue precautions and advocate sun safety advice. Deterrence of sunburn is indispensable. 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. Combat UV radiation's detrimental effects with sun-safe clothing and UV-blocking eyewear.
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Frequently asked questions

What is the average May temperature in Heidelberg?

An average high-temperature, in May, in Heidelberg, is 75.9°F (24.4°C) and the average low-temperature is 55°F (12.8°C).

What is the average humidity in May in Heidelberg?

In Heidelberg, Kentucky, the average relative humidity in May is 77%.

What is the rainiest month in Heidelberg?

The months with the most rainfall in Heidelberg are February and May, with an average 3.46" (88mm) of precipitation.

How many days does it rain in May in Heidelberg?

In Heidelberg, in May, during 17.5 rainfall days, 3.46" (88mm) of precipitation is typically accumulated.

When it does not snow in Heidelberg?

In Heidelberg, Kentucky, snow does not fall in May through September.

Does it snow in Heidelberg 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 Heidelberg?

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

When are sunrise and sunset in May in Heidelberg?

On the first day of May, sunrise is at 6:38 am and sunset at 8:25 pm. On the last day of the month, sunrise is at 6:15 am and sunset at 8:50 pm EDT.

How long on average sun shines in May in Heidelberg?

In Heidelberg, Kentucky, the average sunshine duration in May is 9.3h.

What are the months with the highest UV index in Heidelberg?

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

What is the UV index intensity in May in Heidelberg?

The average daily maximum UV index in May is 6. A UV Index value of 6 to 7 symbolizes 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
Heidelberg, KY

Average temperature in May - Heidelberg, KY
  • Average high temperature in May: 75.9°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 (40.1°F).

  • Average low temperature in May: 55°F

The month with the highest average low temperature is July (64.2°F).
The coldest month (with the lowest average low temperature) is January (27°F).

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Average pressure in May
Heidelberg, KY

Average pressure in May - Heidelberg, KY
  • Average pressure in May: 30.01"Hg

The months with the highest atmospheric pressure are January and November (30.16"Hg).
The month with the lowest atmospheric pressure is June (29.97"Hg).

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Average wind speed in May
Heidelberg, KY

Average wind speed in May - Heidelberg, KY
  • Average wind speed in May: 5.9mph

The windiest months (with the highest average wind speed) are January and February (7.1mph).
The calmest month (with the lowest average wind speed) is August (4.3mph).

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Average humidity in May
Heidelberg, KY

Average humidity in May - Heidelberg, KY
  • Average humidity in May: 77%

The months with the highest relative humidity are February and December (80%).
The months with the lowest relative humidity are June, August, October and November (75%).

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Average rainfall in May
Heidelberg, KY

Average rainfall in May - Heidelberg, KY
  • Average rainfall in May: 3.46"

The wettest months (with the highest rainfall) are February and May (3.46").
The driest month (with the least rainfall) is September (2.05").

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Average rainfall days in May
Heidelberg, KY

Average rainfall days in May - Heidelberg, KY
  • Average rainfall days in May: 17.5 days

The month with the highest number of rainy days is July (17.8 days).
The month with the least rainy days is November (10.7 days).

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Average snowfall in May
Heidelberg, KY

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

The month with the highest snowfall is February (2.99").
The months with the least snowfall are May, June, July, August and September (0").

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Average snowfall days in May
Heidelberg, KY

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

The month with the highest number of snowfall days is January (9.6 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
Heidelberg, KY

Average daylight in May / Average sunshine in May - Heidelberg, 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 June (Average sunshine: 10h and 6min).
The month with the least sunshine is January (Average sunshine: 4h and 0min).

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Average sunshine days in May
Heidelberg, KY

Average sunshine days in May - Heidelberg, KY
  • Average sunshine days in May: 11.6 days

The month with the most sunshine days is November (17.1 days).
The month with the least sunshine days is February (10.3 days).

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Average UV index in May
Heidelberg, KY

Average UV index in May - Heidelberg, 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
Heidelberg, KY

Average cloud cover in May - Heidelberg, KY
  • Average cloud cover in May: 41

The months with the most cloud cover are January and February (Cloud cover 58).
The month with the least cloud cover is August (Cloud cover 32).

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Average visibility in May
Heidelberg, KY

Average visibility in May - Heidelberg, KY
  • Average visibility in May: 5mi

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

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Heidelberg, Kentucky, USA

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