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
April's arrival coincides with a rise in the average high-temperature, moving from March's frosty 47.8°F (8.8°C) to a refreshing 60.1°F (15.6°C). Clairton witnesses a consistent average low-temperature of 41.4°F (5.2°C) throughout April.Humidity
The months with the lowest humidity are April, July and August, with an average relative humidity of 76%.Rainfall
In April, in Clairton, the rain falls for 15.5 days. Throughout April, 1.97" (50mm) of precipitation is accumulated. In Clairton, during the entire year, the rain falls for 161.9 days and collects up to 19.29" (490mm) of precipitation.Snowfall
January through April, October through December are months with snowfall in Clairton. April is the last month it regularly snows in Clairton, Pennsylvania. During 1.9 snowfall days, in April, Clairton aggregates 0.24" (6mm) of snow. Throughout the year, there are 49.2 snowfall days, and 8.62" (219mm) of snow is accumulated.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, in Clairton, sunrise is at 6:19 am and sunset at 8:14 pm EDT.
Sunshine
The average sunshine in April in Clairton is 7.8h.UV index
In Clairton, the average daily maximum UV index in April is 4. A UV Index reading of 3 to 5 represents a medium vulnerability from exposure to the Sun's UV rays for the ordinary person.Note: The maximum UV index of 4 during April translates into these guidelines:
Undertake protective steps - Obligation to safeguard skin and eyes from harm is in place. Being exposed to the midday Sun can have harmful effects due to strong UV radiation; always take precautions. Opt for tightly woven and loose clothing to enhance protection from the Sun. Take careful note! The UV radiation of the Sun can be nearly doubled by snow reflection.
Frequently asked questions
What are April temperatures in Clairton?
What are the least humid months in Clairton?
What is the average humidity in April in Clairton?
How many days does it rain in April in Clairton?
What is the last month it snows in Clairton?
How many hours of daylight does Clairton have in April?
When is the sunrise / sunset in April in Clairton?
How many hours of sunshine does Clairton have in April?
How high is the UV index in April in Clairton?
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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