April weather forecast
New Castle, KY

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Weather in April

April in New Castle, Kentucky, is an enjoyable spring month, with an average temperature fluctuating between 64.9°F (18.3°C) and 46°F (7.8°C).

Temperature

April's arrival brings a temperature shift, moving from a cool 53.2°F (11.8°C) in March to a comfortable 64.9°F (18.3°C). The nights of April anticipate an average low-temperature of 46°F (7.8°C).

Humidity

The average relative humidity in April is 77%.

Rainfall

The month with the most rainfall is April, when the rain falls for 14.9 days and typically aggregates up to 2.64" (67mm) of precipitation.

Snowfall

Months with snowfall are January through April, October through December. April is the last month it regularly snows in New Castle. During 0.5 snowfall days, in April, New Castle aggregates 0.12" (3mm) of snow. Throughout the year, there are 25.8 snowfall days, and 6.02" (153mm) of snow is accumulated.

Daylight

The average length of the day in April is 13h and 14min.
On the first day of the month, sunrise is at 7:24 am and sunset at 8:04 pm. On the last day of April, sunrise is at 6:43 am and sunset at 8:31 pm EDT.

Sunshine

In April, the average sunshine is 7.7h.

UV index

The average daily maximum UV index in April is 5. A UV Index value of 3 to 5 symbolizes a moderate health risk from unprotected exposure to Sun's UV rays for the average person.
Note: The UV index of 5 during April leads to these advisories:
Undertake protective steps - Obligation to safeguard skin and eyes from harm is in place. Limiting sun exposure during midday hours helps in reducing the harmful effects of UV radiation. Tightly woven clothing, when worn loosely, shields effectively against the Sun. Guard yourself! Snow reflection can almost double the UV radiation from the Sun.
Updated: Aug 30, 2024
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate

Frequently asked questions

What is the average April temperature?

The high-temperature, in April, in New Castle, records 64.9°F (18.3°C), while the low-temperature is 46°F (7.8°C).

What is the average humidity in April?

In New Castle, the average relative humidity in April is 77%.

What is the wettest month?

The month with the most rainfall is April, when the rain falls for 14.9 days and typically aggregates up to 2.64" (67mm) of precipitation.

How many days does it rain in April?

In New Castle, Kentucky, in April, during 14.9 rainfall days, 2.64" (67mm) of precipitation is typically accumulated.

What is the last month it snows in New Castle?

April is the last month it regularly snows. During 0.5 snowfall days, in April, New Castle aggregates 0.12" (3mm) of snow.

What is the average length of the day in April?

In April, the average day length is 13h and 14min.

When are sunrise and sunset in April?

On the first day of April, sunrise is at 7:24 am and sunset at 8:04 pm. On the last day of the month, sunrise is at 6:43 am and sunset at 8:31 pm EDT.

How many hours of sunshine does New Castle have in April?

In April, the average sunshine duration is 7.7h.

How high is the UV index in April in New Castle?

The average daily maximum UV index in April is 5. A UV Index value of 3 to 5 symbolizes a moderate health threat from exposure to the Sun's 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
New Castle, KY

Average temperature in April - New Castle, KY
  • Average high temperature in April: 64.9°F

The warmest month (with the highest average high temperature) is July (85.6°F).
The month with the lowest average high temperature is January (38.3°F).

  • Average low temperature in April: 46°F

The month with the highest average low temperature is July (66.4°F).
The coldest month (with the lowest average low temperature) is January (25.3°F).

Average pressure in April
New Castle, KY

Average pressure in April - New Castle, KY
  • Average pressure in April: 29.97"Hg

The month with the highest atmospheric pressure is January (30.15"Hg).
The month with the lowest atmospheric pressure is June (29.95"Hg).

Average wind speed in April
New Castle, KY

Average wind speed in April - New Castle, KY
  • Average wind speed in April: 8mph

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 (5mph).

Average humidity in April
New Castle, KY

Average humidity in April - New Castle, KY
  • Average humidity in April: 77%

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%).

Average rainfall in April
New Castle, KY

Average rainfall in April - New Castle, KY
  • Average rainfall in April: 2.64"

The wettest month (with the highest rainfall) is April (2.64").
The driest month (with the least rainfall) is September (1.3").

Average rainfall days in April
New Castle, KY

Average rainfall days in April - New Castle, KY
  • Average rainfall days in April: 14.9 days

The month with the highest number of rainy days is May (17.2 days).
The month with the least rainy days is January (7.8 days).

Average snowfall in April
New Castle, KY

Average snowfall in April - New Castle, KY
  • Average snowfall in April: 0.12"

The month with the highest snowfall is March (1.54").
The months with the least snowfall are May, June, July, August and September (0").

Average snowfall days in April
New Castle, KY

Average snowfall days in April - New Castle, KY
  • Average snowfall days in April: 0.5 days

The month with the highest number of snowfall days is January (7.2 days).
The months with the least snowfall days are May, June, July, August and September (0 days).

Average daylight in April /
Average sunshine in April
New Castle, KY

Average daylight in April / Average sunshine in April - New Castle, KY
  • Average daylight in April: 13h 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 30min).

  • Average sunshine in April: 7h and 4min

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 12min).

Average sunshine days in April
New Castle, KY

Average sunshine days in April - New Castle, KY
  • Average sunshine days in April: 13 days

The month with the most sunshine days is October (19.9 days).
The month with the least sunshine days is May (11.9 days).

Average UV index in April
New Castle, KY

Average UV index in April - New Castle, KY
  • Average UV index in April: 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).

Average cloud cover in April
New Castle, KY

Average cloud cover in April - New Castle, KY
  • Average cloud cover in April: 43

The month with the most cloud cover is January (Cloud cover 58).
The month with the least cloud cover is August (Cloud cover 28).

Average visibility in April
New Castle, KY

Average visibility in April - New Castle, KY
  • Average visibility in April: 6mi

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

New Castle, Kentucky, USA

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