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
As April sets, the average high-temperature shows an increase, moving up from a frosty 45.1°F (7.3°C) in March to a refreshing 57.6°F (14.2°C). The mean low-temperature during April nights is a cold 39.7°F (4.3°C).Humidity
April is the least humid month, with an average relative humidity of 76%.Rainfall
In Belfast, in April, it is raining for 13.9 days, with typically 1.77" (45mm) of accumulated precipitation. Throughout the year, there are 139.9 rainfall days, and 19.88" (505mm) of precipitation is accumulated.Snowfall
Months with snowfall are January through May, October through December. In Belfast, during April, snow falls for 0.7 days and regularly aggregates up to 0.2" (5mm) of snow. Throughout the year, there are 24.7 snowfall days, and 10.94" (278mm) of snow is accumulated.Daylight
In April, the average length of the day is 13h and 20min.On the first day of April, sunrise is at 6:43 am and sunset at 7:26 pm. On the last day of the month, sunrise is at 5:59 am and sunset at 7:56 pm EDT.
Sunshine
The average sunshine in April is 8.1h.UV index
In Belfast, the average daily maximum UV index in April is 4. A UV Index value of 3 to 5 symbolizes a medium health hazard from exposure to the Sun's UV radiation for the average person.Note: In April, the UV index of 4 transforms into the following advice:
Ensure safety - Imperative it is to shield skin and eyes from damage. Exposing oneself to the midday Sun can be harmful due to the strong UV radiation; limit your time outside. On days when the sun blazes, arm yourself with sunglasses that block UVA and UVB radiation. Take into account! The reflection from snow can nearly double the Sun's UV radiation intensity.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
What are the temperatures in April?
What is the least humid month?
What is the average humidity in April?
How many days does it rain in April?
How much does it snow in April?
What is the average length of the day in April?
What time are sunrise and sunset in April?
How many hours of sunshine does Belfast have in April?
What is the UV index reading in April?
Average temperature in April
Belfast, PA
- Average high temperature in April: 57.6°F
The warmest month (with the highest average high temperature) is July (82.9°F).
The month with the lowest average high temperature is January (33.4°F).
- Average low temperature in April: 39.7°F
The month with the highest average low temperature is July (62.2°F).
The coldest month (with the lowest average low temperature) is January (20.7°F).
Average pressure in April
Belfast, PA
- Average pressure in April: 29.98"Hg
The month with the highest atmospheric pressure is November (30.11"Hg).
The month with the lowest atmospheric pressure is June (29.94"Hg).
Average wind speed in April
Belfast, PA
- Average wind speed in April: 7.8mph
The windiest month (with the highest average wind speed) is March (8.1mph).
The calmest month (with the lowest average wind speed) is August (4.9mph).
Average humidity in April
Belfast, PA
- Average humidity in April: 76%
The month with the highest relative humidity is February (82%).
The month with the lowest relative humidity is April (76%).
Average rainfall in April
Belfast, PA
- Average rainfall in April: 1.77"
The wettest month (with the highest rainfall) is July (2.32").
The driest month (with the least rainfall) is September (1.02").
Average rainfall days in April
Belfast, PA
- Average rainfall days in April: 13.9 days
The month with the highest number of rainy days is July (15.1 days).
The month with the least rainy days is January (7.3 days).
Average snowfall in April
Belfast, PA
- Average snowfall in April: 0.2"
The month with the highest snowfall is February (2.52").
The months with the least snowfall are June, July, August and September (0").
Average snowfall days in April
Belfast, PA
- Average snowfall days in April: 0.7 days
The month with the highest number of snowfall days is February (6.8 days).
The months with the least snowfall days are June, July, August and September (0 days).
Average daylight in April /
Average sunshine in April
Belfast, 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 month with the least sunshine is February (Average sunshine: 4h and 30min).
Average sunshine days in April
Belfast, PA
- Average sunshine days in April: 14.2 days
The month with the most sunshine days is January (19.3 days).
The month with the least sunshine days is July (13 days).
Average UV index in April
Belfast, PA
- Average UV index in April: 4
The month with the highest UV index is June (UV index 6).
The month with the lowest UV index is December (UV index 1).
Average cloud cover in April
Belfast, PA
- Average cloud cover in April: 47
The month with the most cloud cover is February (Cloud cover 51).
The month with the least cloud cover is July (Cloud cover 34).
Average visibility in April
Belfast, PA
- Average visibility in April: 6mi
The month with the highest visibility is April (6mi).
The months with the lowest visibility are January, February, March, May, June, July, August, September, October, November and December (5mi).
Belfast, Pennsylvania, USA
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