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
With the onset of April, the average high-temperature slightly shifts from March's chilly 47.8°F (8.8°C) to a moderate 60.1°F (15.6°C). The average temperature during April nights dips to a cold 41.4°F (5.2°C).Humidity
April, July and August, with an average relative humidity of 76%, are the least humid months.Rainfall
In Clairton, in April, it is raining for 15.5 days, with typically 1.97" (50mm) of accumulated precipitation. Throughout the year, there are 161.9 rainfall days, and 19.29" (490mm) of precipitation is accumulated.Snowfall
January through April, October through December are months with snowfall. April is the last month it regularly snows. During 1.9 snowfall days, in April, Clairton aggregates 0.24" (6mm) of snow. In Clairton, during the entire year, snow falls for 49.2 days and aggregates up to 8.62" (219mm) of snow.Daylight
In April, the average length of the day is 13h and 19min.On the first day of the month, sunrise is at 7:01 am and sunset at 7:44 pm. On the last day of April, sunrise is at 6:19 am and sunset at 8:14 pm EDT.
Sunshine
In April, the average sunshine is 7.8h.UV index
In Clairton, 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 rays for the ordinary person.Note: A typical high UV index of 4 in April suggests the following recommendations:
Be vigilant - Preventing sunburn is recommended. Considering the strength of solar radiation at midday, one should avoid direct Sun exposure. Combat UV radiation's detrimental effects with sun-safe clothing and UV-blocking eyewear. Warning! The reflection from snow can nearly magnify the Sun's UV radiation twofold.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
What is the average April temperature?
What is the least humid month?
What is the average humidity in April?
How many days does it rain in April?
What is the last month it snows?
How many hours of daylight does Clairton have in April?
What time are sunrise and sunset in April?
How many hours of sunshine does Clairton have in April?
How high is the UV index in April?
Average temperature in April
Clairton, PA
- Average high temperature in April: 60.1°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 (33.6°F).
- Average low temperature in April: 41.4°F
The month with the highest average low temperature is July (61.5°F).
The coldest month (with the lowest average low temperature) is January (20.7°F).
Average pressure in April
Clairton, 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 (29.95"Hg).
Average wind speed in April
Clairton, PA
- Average wind speed in April: 7.5mph
The windiest month (with the highest average wind speed) is January (8mph).
The calmest month (with the lowest average wind speed) is August (4.7mph).
Average humidity in April
Clairton, PA
- Average humidity in April: 76%
The month with the highest relative humidity is February (85%).
The months with the lowest relative humidity are April, July and August (76%).
Average rainfall in April
Clairton, PA
- Average rainfall in April: 1.97"
The wettest month (with the highest rainfall) is May (2.28").
The driest months (with the least rainfall) are January and November (1.14").
Average rainfall days in April
Clairton, PA
- Average rainfall days in April: 15.5 days
The month with the highest number of rainy days is May (18.3 days).
The month with the least rainy days is January (9.1 days).
Average snowfall in April
Clairton, PA
- Average snowfall in April: 0.24"
The month with the highest snowfall is January (2.13").
The months with the least snowfall are May, June, July, August and September (0").
Average snowfall days in April
Clairton, PA
- Average snowfall days in April: 1.9 days
The month with the highest number of snowfall days is January (14.2 days).
The months with the least snowfall days are May, June, July, August and September (0 days).
Average daylight in April /
Average sunshine in April
Clairton, PA
- Average daylight in April: 13h and 2min
The month with the longest days is June (Average daylight: 15h and 0min).
The month with the shortest days is December (Average daylight: 9h and 24min).
- Average sunshine in April: 7h and 5min
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 0min).
Average sunshine days in April
Clairton, PA
- Average sunshine days in April: 11.9 days
The month with the most sunshine days is November (17 days).
The month with the least sunshine days is February (9 days).
Average UV index in April
Clairton, PA
- Average UV index in April: 4
The months with the highest UV index are May, June, July and August (UV index 6).
The month with the lowest UV index is December (UV index 1).
Average cloud cover in April
Clairton, PA
- Average cloud cover in April: 48
The month with the most cloud cover is January (Cloud cover 68).
The month with the least cloud cover is August (Cloud cover 32).
Average visibility in April
Clairton, PA
- Average visibility in April: 6mi
The months with the highest visibility are April, June, July, August and November (6mi).
The months with the lowest visibility are January, February, March, May, September, October and December (5mi).
Clairton, Pennsylvania, USA
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