April weather forecast
Heidelberg, KY

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Weather in April

April in Heidelberg, Kentucky, is an enjoyable spring month, with temperature in the range of an average low of 46.9°F (8.3°C) and an average high of 66.6°F (19.2°C).

Temperature

April witnesses an increase in the average high-temperature, moving from a cool 54.3°F (12.4°C) in March to an enjoyable 66.6°F (19.2°C). In the month of April, the average temperature in Heidelberg, Kentucky, dips to a frosty 46.9°F (8.3°C) during the night.

Humidity

In April, the average relative humidity in Heidelberg, Kentucky, is 76%.

Rainfall

In Heidelberg, during April, the rain falls for 16.6 days and regularly aggregates up to 3.03" (77mm) of precipitation. Throughout the year, in Heidelberg, Kentucky, there are 167.6 rainfall days, and 33.11" (841mm) of precipitation is accumulated.

Snowfall

January through April, October through December are months with snowfall in Heidelberg. April is the last month it regularly snows in Heidelberg. During 0.8 snowfall days, in April, Heidelberg aggregates 0.31" (8mm) of snow. In Heidelberg, during the entire year, snow falls for 32.6 days and aggregates up to 12.17" (309mm) of snow.

Daylight

In April, the average length of the day in Heidelberg is 13h and 11min.
On the first day of April, sunrise is at 7:19 am and sunset at 7:58 pm. On the last day of the month, sunrise is at 6:39 am and sunset at 8:24 pm EDT.

Sunshine

The average sunshine in April in Heidelberg is 8h.

UV index

The average daily maximum UV index in April in Heidelberg, Kentucky, is 5. A UV Index value of 3 to 5 symbolizes a medium vulnerability from unsafe exposure to UV radiation for average individuals.
Note: In April, a daily UV index of 5 turns into the following recommendations:
Adopt protective measures - It is advised to guard against sun damage. The Sun's radiation is especially intense around midday; try to stay in shade during this period. Sunglasses that guard against UVA and UVB rays are pivotal in minimizing sun-induced ocular damage. Remember to consider! The UV radiation from the Sun can be intensified nearly twice by the reflection of snow.
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Frequently asked questions

What are the temperatures in Heidelberg in April?

The average high-temperature and low-temperature in Heidelberg, Kentucky, during April are 66.6°F (19.2°C) and 46.9°F (8.3°C) respectively.

What is the average humidity in April in Heidelberg?

The average relative humidity in April in Heidelberg is 76%.

How much does it rain in Heidelberg in April?

In Heidelberg, in April, it is raining for 16.6 days, with typically 3.03" (77mm) of accumulated precipitation.

What is the last month it snows in Heidelberg?

April is the last month it regularly snows. During 0.8 snowfall days, in April, Heidelberg aggregates 0.31" (8mm) of snow.

How many hours of daylight does Heidelberg have in April?

In April, the average day length in Heidelberg, Kentucky, is 13h and 11min.

When are sunrise and sunset in April in Heidelberg?

On the first day of April, sunrise is at 7:19 am and sunset at 7:58 pm. On the last day of the month, sunrise is at 6:39 am and sunset at 8:24 pm EDT.

How long on average sun shines in April in Heidelberg?

In April, the average sunshine duration is 8h.

What is the UV index intensity in April in Heidelberg?

The average daily maximum UV index in April in Heidelberg 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 days
Average daylight
Average sunshine
Average sunshine days
Average UV index
Average cloud cover
Average visibility

Average temperature in April
Heidelberg, KY

Average temperature in April - Heidelberg, KY
  • Average high temperature in April: 66.6°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 April: 46.9°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 April
Heidelberg, KY

Average pressure in April - Heidelberg, KY
  • Average pressure in April: 29.99"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 April
Heidelberg, KY

Average wind speed in April - Heidelberg, KY
  • Average wind speed in April: 7mph

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 April
Heidelberg, KY

Average humidity in April - Heidelberg, KY
  • Average humidity in April: 76%

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 April
Heidelberg, KY

Average rainfall in April - Heidelberg, KY
  • Average rainfall in April: 3.03"

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 April
Heidelberg, KY

Average rainfall days in April - Heidelberg, KY
  • Average rainfall days in April: 16.6 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 April
Heidelberg, KY

Average snowfall in April - Heidelberg, KY
  • Average snowfall in April: 0.31"

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 April
Heidelberg, KY

Average snowfall days in April - Heidelberg, KY
  • Average snowfall days in April: 0.8 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 April /
Average sunshine in April
Heidelberg, KY

Average daylight in April / Average sunshine in April - Heidelberg, KY
  • Average daylight in April: 13h 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 April: 8h and 0min

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 April
Heidelberg, KY

Average sunshine days in April - Heidelberg, KY
  • Average sunshine days in April: 12 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 April
Heidelberg, KY

Average UV index in April - Heidelberg, KY
  • Average UV index in April: 5

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 April
Heidelberg, KY

Average cloud cover in April - Heidelberg, KY
  • Average cloud cover in April: 42

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 April
Heidelberg, KY

Average visibility in April - Heidelberg, KY
  • Average visibility in April: 6mi

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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