Contents
- Weather in April
- Frequently asked questions
- Average temperature in April
- Average pressure in April
- Average wind speed in April
- Average humidity in April
- Average rainfall in April
- Average rainfall days in April
- Average snowfall in April
- Average snowfall days in April
- Average daylight in April
- Average sunshine in April
- Average sunshine days in April
- Average UV index in April
- Average cloud cover in April
- Average visibility in April
Weather in April
Temperature
Noticing a change, the average high-temperature during April moves from March's chilly 46°F (7.8°C) to a refreshing 58.1°F (14.5°C). During the month of April, the temperature in Northumberland falls to an average of 39.9°F (4.4°C).Humidity
The months with the lowest humidity are March and April, with an average relative humidity of 76%.Rainfall
In Northumberland, in April, it is raining for 14.6 days, with typically 1.38" (35mm) of accumulated precipitation. Throughout the year, in Northumberland, Pennsylvania, there are 133.4 rainfall days, and 13.15" (334mm) of precipitation is accumulated.Snowfall
January through May, November and December are months with snowfall in Northumberland. In Northumberland, during April, snow falls for 0.8 days and regularly aggregates up to 0.08" (2mm) of snow. Throughout the year, there are 32.1 snowfall days, and 4.76" (121mm) of snow is accumulated.Daylight
In April, the average length of the day in Northumberland is 13h and 20min.On the first day of April in Northumberland, 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.
Sunshine
In Northumberland, the average sunshine in April is 8.1h.UV index
The average daily maximum UV index in April in Northumberland is 3. A UV Index reading of 3 to 5 represents a moderate threat to health from unsafe exposure to UV radiation for the ordinary person.Note: An average maximum UV index of 3 in April leads to these recommendations:
Act with care - Obligation to protect against skin and eye damage is highlighted. To guard against the harmful effects of the Sun, minimize exposure during midday. Shield yourself from the harmful effects of UV radiation with sun-protective attire, a hat, and quality sunglasses. Be attentive! The reflective property of snow can nearly double the Sun's UV radiation.
Frequently asked questions
What are April temperatures in Northumberland?
What are the least humid months in Northumberland?
What is the average humidity in April in Northumberland?
How much does it rain in Northumberland in April?
How many days does it snow in April in Northumberland?
What is the average length of the day in April in Northumberland?
When is the sunrise / sunset in April in Northumberland?
How many hours of sunshine does Northumberland have in April?
What is the UV index reading in April in Northumberland?
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: 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: 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: 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: 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: 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: 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: 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: 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: 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: 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: 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: 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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