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
The transition to April introduces an increase in the average high-temperature, shifting from a chilly 47.8°F (8.8°C) in March to a refreshing 60.4°F (15.8°C). In April, West Mifflin experiences an average nighttime temperature of 41.4°F (5.2°C).Humidity
In West Mifflin, the average relative humidity in April is 76%.Rainfall
In April, the rain falls for 13.3 days. Throughout April, 0.98" (25mm) of precipitation is accumulated. In West Mifflin, during the entire year, the rain falls for 128 days and collects up to 10.2" (259mm) of precipitation.Snowfall
January through May, October through December are months with snowfall. In West Mifflin, in April, snow falls for 2.1 days, with typically accumulated 0.24" (6mm) of snow. In West Mifflin, during the entire year, snow falls for 50 days and aggregates up to 6.69" (170mm) of snow.Daylight
In April, the average length of the day is 13h and 19min.On the first day of April, sunrise is at 7:01 am and sunset at 7:44 pm. On the last day of the month, sunrise is at 6:18 am and sunset at 8:14 pm EDT.
Sunshine
In West Mifflin, Pennsylvania, the average sunshine in April is 7.7h.UV index
In April, the average daily maximum UV index 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 daily high UV index of 4 in April leads to these guidelines:
Take precautions - Protection against sunburn is recommended. The mid-day Sun emits the most powerful UV radiation, so seek shade and minimize exposure. Equip yourself with UVA and UVB-filtering sunglasses on clear, sunny days. Consider carefully! The reflective quality of snow can almost double the intensity of the Sun's UV radiation.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
What is the temperature in April?
What is the average humidity in April?
How many days does it rain in April?
How many days does it snow in April?
How many hours of daylight does West Mifflin have in April?
What time are sunrise and sunset in April?
How many hours of sunshine does West Mifflin have in April?
How high is the UV index in April?
Average temperature in April
West Mifflin, PA
- Average high temperature in April: 60.4°F
The warmest month (with the highest average high temperature) is July (83.3°F).
The month with the lowest average high temperature is January (33.4°F).
- Average low temperature in April: 41.4°F
The month with the highest average low temperature is July (62.6°F).
The coldest month (with the lowest average low temperature) is January (20.7°F).
Average pressure in April
West Mifflin, 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
West Mifflin, PA
- Average wind speed in April: 7.4mph
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
West Mifflin, PA
- Average humidity in April: 76%
The month with the highest relative humidity is February (85%).
The month with the lowest relative humidity is August (74%).
Average rainfall in April
West Mifflin, PA
- Average rainfall in April: 0.98"
The wettest month (with the highest rainfall) is May (1.26").
The driest months (with the least rainfall) are September and November (0.55").
Average rainfall days in April
West Mifflin, PA
- Average rainfall days in April: 13.3 days
The month with the highest number of rainy days is May (15 days).
The month with the least rainy days is February (7.1 days).
Average snowfall in April
West Mifflin, PA
- Average snowfall in April: 0.24"
The months with the highest snowfall are January and February (1.65").
The months with the least snowfall are June, July, August and September (0").
Average snowfall days in April
West Mifflin, PA
- Average snowfall days in April: 2.1 days
The month with the highest number of snowfall days is January (14.4 days).
The months with the least snowfall days are June, July, August and September (0 days).
Average daylight in April /
Average sunshine in April
West Mifflin, 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 4min
The month with the most sunshine is August (Average sunshine: 10h and 12min).
The month with the least sunshine is January (Average sunshine: 3h and 0min).
Average sunshine days in April
West Mifflin, PA
- Average sunshine days in April: 13.3 days
The month with the most sunshine days is November (19.6 days).
The month with the least sunshine days is May (12.3 days).
Average UV index in April
West Mifflin, 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
West Mifflin, PA
- Average cloud cover in April: 48
The month with the most cloud cover is January (Cloud cover 69).
The month with the least cloud cover is August (Cloud cover 33).
Average visibility in April
West Mifflin, 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).
West Mifflin, Pennsylvania, USA
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