April weather forecast
Karthaus, PA

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Weather in April

April in Karthaus, Pennsylvania, is a moderate spring month, with an average temperature fluctuating between 55.8°F (13.2°C) and 37.4°F (3°C).

Temperature

The arrival of April signals an increase in the average high-temperature, moving from a frosty 43.3°F (6.3°C) in March to a refreshing 55.8°F (13.2°C). An average minimum temperature of 37.4°F (3°C) marks the month of April.

Humidity

In April, the average relative humidity is 78%.

Rainfall

The month with the most rainfall is April, when the rain falls for 17.2 days and typically aggregates up to 3.43" (87mm) of precipitation.

Snowfall

Months with snowfall are January through May, October through December. In Karthaus, in April, snow falls for 4.7 days, with typically accumulated 1.46" (37mm) of snow. In Karthaus, during the entire year, snow falls for 76 days and aggregates up to 37.6" (955mm) of snow.

Daylight

In Karthaus, the average length of the day in April is 13h and 20min.
On the first day of April, sunrise is at 6:54 am and sunset at 7:37 pm. On the last day of the month, sunrise is at 6:10 am and sunset at 8:08 pm EDT.

Sunshine

In April, the average sunshine is 7h.

UV index

In April, the average daily maximum UV index is 3. A UV Index reading of 3 to 5 represents a medium health hazard from exposure to the Sun's UV rays for ordinary individuals.
Note: The maximum daily UV index of 3 in April interprets into the following recommendations:
Take precautions - Protection against sunburn is recommended. Avoiding direct sunlight during midday hours helps reduce the risk from intense UV radiation. Employ a hat with a wide brim for robust protection, cutting UV exposure by half. Take precaution! The reflection from snow can almost double the UV radiation of the Sun.

Frequently asked questions

What is the temperature in April?

In April, in Karthaus, the average high-temperature is 55.8°F (13.2°C), and the average low-temperature is 37.4°F (3°C).

What is the average humidity in April?

The average relative humidity in April is 78%.

What is the wettest month in Karthaus?

The month with the most rainfall is April, when the rain falls for 17.2 days and typically aggregates up to 3.43" (87mm) of precipitation.

How much does it rain in April?

In Karthaus, in April, it is raining for 17.2 days, with typically 3.43" (87mm) of accumulated precipitation.

How much does it snow in April?

In April, in Karthaus, it is snowing for 4.7 days. Throughout April, 1.46" (37mm) of snow is accumulated.

What is the average length of the day in April?

The average day length in April is 13h and 20min.

When are sunrise and sunset in April?

On the first day of April, sunrise is at 6:54 am and sunset at 7:37 pm. On the last day of the month, sunrise is at 6:10 am and sunset at 8:08 pm EDT.

How long on average sun shines in April?

In April, the average sunshine duration is 7h.

How high is the UV index in April?

In Karthaus, Pennsylvania, the average daily maximum UV index in April is 3. A UV Index reading of 3 to 5 represents a medium health risk 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
Karthaus, PA

Average temperature in April - Karthaus, PA
  • Average high temperature in April: 55.8°F

The warmest month (with the highest average high temperature) is July (81°F).
The month with the lowest average high temperature is January (29.7°F).

  • Average low temperature in April: 37.4°F

The month with the highest average low temperature is July (58.3°F).
The coldest month (with the lowest average low temperature) is January (18°F).

Average pressure in April
Karthaus, PA

Average pressure in April - Karthaus, PA
  • Average pressure in April: 29.98"Hg

The month with the highest atmospheric pressure is November (30.13"Hg).
The month with the lowest atmospheric pressure is June (29.95"Hg).

Average wind speed in April
Karthaus, PA

Average wind speed in April - Karthaus, PA
  • Average wind speed in April: 8.5mph

The windiest month (with the highest average wind speed) is January (9.1mph).
The calmest month (with the lowest average wind speed) is August (5.4mph).

Average humidity in April
Karthaus, PA

Average humidity in April - Karthaus, PA
  • Average humidity in April: 78%

The month with the highest relative humidity is February (87%).
The month with the lowest relative humidity is July (77%).

Average rainfall in April
Karthaus, PA

Average rainfall in April - Karthaus, PA
  • Average rainfall in April: 3.43"

The wettest month (with the highest rainfall) is April (3.43").
The driest month (with the least rainfall) is August (1.97").

Average rainfall days in April
Karthaus, PA

Average rainfall days in April - Karthaus, PA
  • Average rainfall days in April: 17.2 days

The month with the highest number of rainy days is May (19.7 days).
The month with the least rainy days is January (7.6 days).

Average snowfall in April
Karthaus, PA

Average snowfall in April - Karthaus, PA
  • Average snowfall in April: 1.46"

The month with the highest snowfall is January (9.25").
The months with the least snowfall are June, July, August and September (0").

Average snowfall days in April
Karthaus, PA

Average snowfall days in April - Karthaus, PA
  • Average snowfall days in April: 4.7 days

The month with the highest number of snowfall days is January (19.1 days).
The months with the least snowfall days are June, July, August and September (0 days).

Average daylight in April /
Average sunshine in April
Karthaus, PA

Average daylight in April / Average sunshine in April - Karthaus, PA
  • Average daylight in April: 13h and 2min

The month with the longest days is June (Average daylight: 15h and 6min).
The month with the shortest days is December (Average daylight: 9h and 18min).

  • Average sunshine in April: 7h and 0min

The months with the most sunshine are July and August (Average sunshine: 9h and 36min).
The month with the least sunshine is January (Average sunshine: 2h and 36min).

Average sunshine days in April
Karthaus, PA

Average sunshine days in April - Karthaus, PA
  • Average sunshine days in April: 10.1 days

The month with the most sunshine days is September (14.7 days).
The month with the least sunshine days is February (7.3 days).

Average UV index in April
Karthaus, PA

Average UV index in April - Karthaus, PA
  • Average UV index in April: 3

The months with the highest UV index are May, June, July and August (UV index 5).
The month with the lowest UV index is December (UV index 1).

Average cloud cover in April
Karthaus, PA

Average cloud cover in April - Karthaus, PA
  • Average cloud cover in April: 54

The month with the most cloud cover is January (Cloud cover 74).
The months with the least cloud cover are July and August (Cloud cover 40).

Average visibility in April
Karthaus, PA

Average visibility in April - Karthaus, PA
  • Average visibility in April: 5mi

The months with the highest visibility are March, April, May, June, July, August, September, October and November (5mi).
The months with the lowest visibility are January, February and December (4mi).

Karthaus, Pennsylvania, USA

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