April weather forecast
Northumberland, PA

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Weather in April

April in Northumberland, Pennsylvania, is a refreshing spring month, with temperature in the range of an average high of 58.1°F (14.5°C) and an average low of 39.9°F (4.4°C).

Temperature

April shows a rise in the average high-temperature, moving from March's frosty 46°F (7.8°C) to a refreshing 58.1°F (14.5°C). Northumberland observes an average low-temperature of 39.9°F (4.4°C) during April nights.

Humidity

The months with the lowest humidity in Northumberland are March and April, with an average relative humidity of 76%.

Rainfall

In April, the rain falls for 14.6 days. Throughout April, 1.38" (35mm) of precipitation is accumulated. In Northumberland, during the entire year, the rain falls for 133.4 days and collects up to 13.15" (334mm) of precipitation.

Snowfall

Months with snowfall are January through May, November and December. In Northumberland, in April, during 0.8 snowfall days, 0.08" (2mm) of snow is typically accumulated. In Northumberland, during the entire year, snow falls for 32.1 days and aggregates up to 4.76" (121mm) of snow.

Daylight

In April, the average length of the day is 13h and 20min.
On the first day of the month, sunrise is at 6:49 am and sunset at 7:32 pm. On the last day of April, sunrise is at 6:05 am and sunset at 8:03 pm EDT.

Sunshine

The average sunshine in April is 8.1h.

UV index

In Northumberland, the average daily maximum UV index in April is 3. A UV Index value of 3 to 5 symbolizes a moderate threat to health from exposure to the Sun's UV rays for average individuals.
Note: In April, the maximum UV index of 3 translates into these guidelines:
Exercise prevention - Warding off sunburn is urged. Direct exposure to the Sun's intense radiation around midday should be avoided for health reasons. Opt for tightly woven and loose clothing to enhance protection from the Sun. Take careful note! The UV radiation of the Sun can be nearly doubled by snow reflection.

Frequently asked questions

What is the usual temperature for Northumberland in April?

The high-temperature, in April, in Northumberland, records 58.1°F (14.5°C), while the low-temperature is 39.9°F (4.4°C).

What are the least humid months?

The months with the lowest humidity are March and April, with an average relative humidity of 76%.

What is the average humidity in April?

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

How many days does it rain in April?

In April, the rain falls for 14.6 days. Throughout April, 1.38" (35mm) of precipitation is accumulated.

How many days does it snow in April in Northumberland?

In Northumberland, in April, snow falls for 0.8 days, with typically accumulated 0.08" (2mm) of snow.

What is the average length of the day in April?

In April, the average day length is 13h and 20min.

When are sunrise and sunset in April?

On the first day of April, sunrise is at 6:49 am and sunset at 7:32 pm. On the last day of the month, sunrise is at 6:05 am and sunset at 8:03 pm EDT.

How many hours of sunshine does Northumberland have in April?

In April, the average sunshine duration is 8.1h.

How high is the UV index in April?

The average daily maximum UV index in April is 3. A UV Index value of 3 to 5 symbolizes a medium hazard to health 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
Northumberland, PA

Average temperature in April - Northumberland, PA
  • Average high temperature in April: 58.1°F

The warmest month (with the highest average high temperature) is July (82.2°F).
The month with the lowest average high temperature is January (32.2°F).

  • Average low temperature in April: 39.9°F

The month with the highest average low temperature is July (61.2°F).
The coldest month (with the lowest average low temperature) is January (20.1°F).

Average pressure in April
Northumberland, PA

Average pressure in April - Northumberland, 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 (29.94"Hg).

Average wind speed in April
Northumberland, PA

Average wind speed in April - Northumberland, PA
  • Average wind speed in April: 7.9mph

The windiest month (with the highest average wind speed) is April (7.9mph).
The calmest month (with the lowest average wind speed) is August (4.6mph).

Average humidity in April
Northumberland, PA

Average humidity in April - Northumberland, PA
  • Average humidity in April: 76%

The month with the highest relative humidity is February (82%).
The months with the lowest relative humidity are March and April (76%).

Average rainfall in April
Northumberland, PA

Average rainfall in April - Northumberland, PA
  • Average rainfall in April: 1.38"

The wettest month (with the highest rainfall) is July (1.65").
The driest month (with the least rainfall) is September (0.75").

Average rainfall days in April
Northumberland, PA

Average rainfall days in April - Northumberland, PA
  • Average rainfall days in April: 14.6 days

The month with the highest number of rainy days is May (14.7 days).
The month with the least rainy days is January (7.7 days).

Average snowfall in April
Northumberland, PA

Average snowfall in April - Northumberland, PA
  • Average snowfall in April: 0.08"

The month with the highest snowfall is February (1.46").
The months with the least snowfall are June, July, August, September and October (0").

Average snowfall days in April
Northumberland, PA

Average snowfall days in April - Northumberland, PA
  • Average snowfall days in April: 0.8 days

The month with the highest number of snowfall days is January (9.3 days).
The months with the least snowfall days are June, July, August and September (0 days).

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

Average daylight in April / Average sunshine in April - Northumberland, 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: 8h and 1min

The month with the most sunshine is July (Average sunshine: 10h and 24min).
The months with the least sunshine are January and February (Average sunshine: 4h and 12min).

Average sunshine days in April
Northumberland, PA

Average sunshine days in April - Northumberland, PA
  • Average sunshine days in April: 13.4 days

The month with the most sunshine days is November (19.4 days).
The month with the least sunshine days is April (13.4 days).

Average UV index in April
Northumberland, PA

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

The month with the highest UV index is July (UV index 6).
The months with the lowest UV index are January, February, March, November and December (UV index 2).

Average cloud cover in April
Northumberland, PA

Average cloud cover in April - Northumberland, PA
  • Average cloud cover in April: 47

The months with the most cloud cover are February and December (Cloud cover 54).
The month with the least cloud cover is July (Cloud cover 32).

Average visibility in April
Northumberland, PA

Average visibility in April - Northumberland, PA
  • Average visibility in April: 6mi

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

Northumberland, Pennsylvania, USA

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