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
Allentown's weather shows a temperature rise with the arrival of April, moving from a cool 51.6°F (10.9°C) in March to an enjoyable 64°F (17.8°C). An average nighttime temperature of 44.4°F (6.9°C) is observed during April.Humidity
In April, the average relative humidity in Allentown is 77%.Rainfall
In Allentown, in April, it is raining for 18.3 days, with typically 3.35" (85mm) of accumulated precipitation. Throughout the year, there are 186.1 rainfall days, and 36.3" (922mm) of precipitation is accumulated.Snowfall
Months with snowfall are January through May, October through December. In April, in Allentown, it is snowing for 1.3 days. Throughout April, 0.51" (13mm) of snow is accumulated. In Allentown, during the entire year, snow falls for 46.8 days and aggregates up to 20.04" (509mm) of snow.Daylight
In Allentown, West Virginia, the average length of the day in April is 13h and 14min.On the first day of the month, sunrise is at 7:09 am and sunset at 7:49 pm. On the last day of April, sunrise is at 6:28 am and sunset at 8:17 pm EDT.
Sunshine
In April, the average sunshine in Allentown is 8.1h.UV index
The average daily maximum UV index in April in Allentown is 4. A UV Index of 3 to 5 symbolizes a medium health hazard from unprotected exposure to Sun's UV rays for the ordinary person.Note: A maximum high daily UV index of 4 during April translates into the following directions:
Act with care - Obligation to protect against skin and eye damage is highlighted. Solar radiation is at its peak intensity during midday, so it's advisable to stay indoors or in the shade. Loose clothes with a tight weave are optimal for safeguarding yourself against the Sun's rays. Be watchful! The reflection of snow can enhance the intensity of the Sun's UV radiation nearly double.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
What is the usual temperature for Allentown in April?
What is the average humidity in April in Allentown?
How many days does it rain in April in Allentown?
How many days does it snow in April in Allentown?
How many hours of daylight does Allentown have in April?
When are sunrise and sunset in April in Allentown?
How many hours of sunshine does Allentown have in April?
What is the UV index reading in April in Allentown?
Average temperature in April
Allentown, WV
- Average high temperature in April: 64°F
The warmest month (with the highest average high temperature) is July (85.5°F).
The month with the lowest average high temperature is January (37.8°F).
- Average low temperature in April: 44.4°F
The month with the highest average low temperature is July (63.5°F).
The coldest month (with the lowest average low temperature) is January (24.3°F).
Average pressure in April
Allentown, WV
- Average pressure in April: 29.98"Hg
The month with the highest atmospheric pressure is November (30.16"Hg).
The month with the lowest atmospheric pressure is June (29.97"Hg).
Average wind speed in April
Allentown, WV
- Average wind speed in April: 6.5mph
The windiest month (with the highest average wind speed) is February (6.7mph).
The calmest month (with the lowest average wind speed) is August (4.1mph).
Average humidity in April
Allentown, WV
- Average humidity in April: 77%
The months with the highest relative humidity are January and February (82%).
The months with the lowest relative humidity are June and August (76%).
Average rainfall in April
Allentown, WV
- Average rainfall in April: 3.35"
The wettest month (with the highest rainfall) is May (4.37").
The driest month (with the least rainfall) is September (2.05").
Average rainfall days in April
Allentown, WV
- Average rainfall days in April: 18.3 days
The month with the highest number of rainy days is May (21.3 days).
The month with the least rainy days is November (11.5 days).
Average snowfall in April
Allentown, WV
- Average snowfall in April: 0.51"
The month with the highest snowfall is January (5.39").
The months with the least snowfall are June, July, August and September (0").
Average snowfall days in April
Allentown, WV
- Average snowfall days in April: 1.3 days
The month with the highest number of snowfall days is January (14 days).
The months with the least snowfall days are June, July, August and September (0 days).
Average daylight in April /
Average sunshine in April
Allentown, WV
- Average daylight in April: 13h and 1min
The month with the longest days is June (Average daylight: 14h and 48min).
The month with the shortest days is December (Average daylight: 9h and 30min).
- Average sunshine in April: 8h and 1min
The month with the most sunshine is August (Average sunshine: 10h and 18min).
The month with the least sunshine is January (Average sunshine: 3h and 36min).
Average sunshine days in April
Allentown, WV
- Average sunshine days in April: 10.3 days
The month with the most sunshine days is November (16.7 days).
The month with the least sunshine days is May (7.9 days).
Average UV index in April
Allentown, WV
- Average UV index in April: 4
The months with the highest UV index are June, July and August (UV index 6).
The months with the lowest UV index are January, February and December (UV index 2).
Average cloud cover in April
Allentown, WV
- Average cloud cover in April: 45
The month with the most cloud cover is January (Cloud cover 64).
The month with the least cloud cover is August (Cloud cover 33).
Average visibility in April
Allentown, WV
- Average visibility in April: 6mi
The months with the highest visibility are April and November (6mi).
The month with the lowest visibility is January (4mi).
Allentown, West Virginia, USA
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