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
Belfast's transition into April sees a rise in the average high-temperature, advancing from a frosty 45.1°F (7.3°C) in March to a mild 57.6°F (14.2°C). Belfast's nights in April cool down to an average low-temperature of 39.7°F (4.3°C).Humidity
With an average relative humidity of 76%, April is the least humid month.Rainfall
In Belfast, Pennsylvania, in April, it is raining for 13.9 days, with typically 1.77" (45mm) of accumulated precipitation. In Belfast, during the entire year, the rain falls for 139.9 days and collects up to 19.88" (505mm) of precipitation.Snowfall
January through May, October through December are months with snowfall. In Belfast, in April, during 0.7 snowfall days, 0.2" (5mm) of snow is typically accumulated. Throughout the year, in Belfast, 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 the month, sunrise is at 6:43 am and sunset at 7:26 pm. On the last day of April, in Belfast, sunrise is at 5:59 am and sunset at 7:56 pm EDT.
Sunshine
In April, the average sunshine is 8.1h.UV index
The average daily maximum UV index in April in Belfast is 4. A UV Index estimate of 3 to 5 represents a medium health hazard from exposure to the Sun's UV rays for average individuals.Note: The maximum UV index of 4 during April translates into these guidelines:
Safety measures are advised. Light-skinned individuals may experience burns in under half an hour. Avoid the Sun's strongest UV rays by seeking shade and limiting exposure during midday. In the presence of strong sunlight, it's crucial to wear sunglasses that ward off UVA and UVB rays. Remember this! The UV radiation of the Sun can be nearly doubled by the reflective properties of snow.
Frequently asked questions
What are April temperatures in Belfast?
What is the least humid month in Belfast?
What is the average humidity in April in Belfast?
How many days does it rain in April in Belfast?
How many days does it snow in April in Belfast?
How many hours of daylight does Belfast have in April?
When is the sunrise / sunset in April in Belfast?
How long on average sun shines in April in Belfast?
How high is the UV index in April in Belfast?
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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