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
Noticing a change, the average high-temperature during April moves from March's chilly 47.8°F (8.8°C) to a refreshing 61°F (16.1°C). Nighttime temperatures in April average to a cold 41.5°F (5.3°C).Humidity
In April, the average relative humidity is 75%.Rainfall
In April, the rain falls for 15.9 days. Throughout April, 2.76" (70mm) of precipitation is accumulated. In McKees Rocks, during the entire year, the rain falls for 163.6 days and collects up to 26.93" (684mm) of precipitation.Snowfall
January through April, October through December are months with snowfall. April is the last month it regularly snows. During 1.4 snowfall days, in April, McKees Rocks aggregates 0.16" (4mm) of snow. In McKees Rocks, during the entire year, snow falls for 47.7 days and aggregates up to 11.77" (299mm) of snow.Daylight
In April, the average length of the day in McKees Rocks is 13h and 19min.On the first day of April, sunrise is at 7:02 am and sunset at 7:45 pm. On the last day of the month, sunrise is at 6:19 am and sunset at 8:15 pm EDT.
Sunshine
The average sunshine in April is 7.4h.UV index
In April, the average daily maximum UV index is 4. A UV Index value of 3 to 5 symbolizes a medium health hazard from unprotected exposure to Sun's UV rays for the average person.Note: A daily high UV index of 4 in April leads to these guidelines:
Preventative actions are necessary - The mandate to avoid skin and eye damage is in place. To protect against the Sun's most potent rays, avoid direct exposure around midday. Prioritize a wide-brim hat for comprehensive sun defense for your face, neck, eyes, and ears. Note well! The intensity of the Sun's UV rays can be nearly doubled by snow reflection.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
What is the average April temperature?
What is the average humidity in April?
How much does it rain in April?
What is the last month it snows?
How many hours of daylight does McKees Rocks have in April?
When are sunrise and sunset in April?
How long on average sun shines in April?
What is the UV index reading in April?
Average temperature in April
McKees Rocks, PA
- Average high temperature in April: 61°F
The warmest month (with the highest average high temperature) is July (84°F).
The month with the lowest average high temperature is January (33.1°F).
- Average low temperature in April: 41.5°F
The month with the highest average low temperature is July (63°F).
The coldest month (with the lowest average low temperature) is January (21°F).
Average pressure in April
McKees Rocks, PA
- Average pressure in April: 29.97"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
McKees Rocks, PA
- Average wind speed in April: 7.5mph
The windiest month (with the highest average wind speed) is January (8mph).
The calmest months (with the lowest average wind speed) are July and August (4.8mph).
Average humidity in April
McKees Rocks, PA
- Average humidity in April: 75%
The months with the highest relative humidity are January and February (84%).
The months with the lowest relative humidity are July and August (73%).
Average rainfall in April
McKees Rocks, PA
- Average rainfall in April: 2.76"
The wettest month (with the highest rainfall) is May (3.07").
The driest month (with the least rainfall) is November (1.54").
Average rainfall days in April
McKees Rocks, PA
- Average rainfall days in April: 15.9 days
The month with the highest number of rainy days is May (18.9 days).
The month with the least rainy days is January (8.9 days).
Average snowfall in April
McKees Rocks, PA
- Average snowfall in April: 0.16"
The month with the highest snowfall is January (3.31").
The months with the least snowfall are May, June, July, August and September (0").
Average snowfall days in April
McKees Rocks, PA
- Average snowfall days in April: 1.4 days
The month with the highest number of snowfall days is January (14.4 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
McKees Rocks, 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 18min).
- Average sunshine in April: 7h and 2min
The month with the most sunshine is August (Average sunshine: 10h and 6min).
The month with the least sunshine is January (Average sunshine: 2h and 48min).
Average sunshine days in April
McKees Rocks, PA
- Average sunshine days in April: 11.9 days
The month with the most sunshine days is November (16.5 days).
The month with the least sunshine days is February (9.6 days).
Average UV index in April
McKees Rocks, PA
- Average UV index in April: 4
The months with the highest UV index are May, June and July (UV index 6).
The month with the lowest UV index is December (UV index 1).
Average cloud cover in April
McKees Rocks, PA
- Average cloud cover in April: 50
The month with the most cloud cover is January (Cloud cover 70).
The month with the least cloud cover is August (Cloud cover 34).
Average visibility in April
McKees Rocks, 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).
McKees Rocks, Pennsylvania, USA
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