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 arrival of April signals an increase in the average high-temperature, moving from a cold 42.3°F (5.7°C) in March to a fresh 54.9°F (12.7°C). Throughout the nights in April, an average low-temperature of 36.9°F (2.7°C) is noted.Humidity
The average relative humidity in April is 80%.Rainfall
April is the month with the most rainfall. Rain falls for 15.8 days and accumulates 2.32" (59mm) of precipitation.Snowfall
January through May, October through December are months with snowfall. In Grand Valley, in April, during 4.6 snowfall days, 1.26" (32mm) of snow is typically accumulated. In Grand Valley, during the entire year, snow falls for 85.6 days and aggregates up to 26.54" (674mm) of snow.Daylight
The average length of the day in April is 13h and 22min.On the first day of April, sunrise is at 6:59 am and sunset at 7:44 pm. On the last day of the month, sunrise is at 6:14 am and sunset at 8:15 pm EDT.
Sunshine
In Grand Valley, the average sunshine in April is 6.9h.UV index
The average daily maximum UV index in April is 3. A UV Index estimate of 3 to 5 represents a moderate health risk from exposure to the Sun's UV rays for average individuals.Note: In April, the average maximum UV index of 3 translates into the following recommendations:
Act with care - The suggestion to avoid sunburn is emphasized. The solar radiation around mid-day is intense; avoid the Sun and stay safe. Sunglasses that ward off UVA and UVB rays play a pivotal role in reducing solar eye damage. Take to heart! Snow reflection can almost 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 average humidity in April?
What is the rainiest month?
How many days does it rain in April?
How many days does it snow in April?
How many hours of daylight does Grand Valley have in April?
What time are sunrise and sunset in April?
How many hours of sunshine does Grand Valley have in April?
How high is the UV index in April?
Average temperature in April
Grand Valley, PA
- Average high temperature in April: 54.9°F
The warmest month (with the highest average high temperature) is July (78.8°F).
The month with the lowest average high temperature is January (29.5°F).
- Average low temperature in April: 36.9°F
The month with the highest average low temperature is July (58.6°F).
The coldest month (with the lowest average low temperature) is January (18°F).
Average pressure in April
Grand Valley, PA
- Average pressure in April: 29.97"Hg
The month with the highest atmospheric pressure is November (30.11"Hg).
The month with the lowest atmospheric pressure is June (29.94"Hg).
Average wind speed in April
Grand Valley, PA
- Average wind speed in April: 8mph
The windiest month (with the highest average wind speed) is January (8.8mph).
The calmest month (with the lowest average wind speed) is July (5.4mph).
Average humidity in April
Grand Valley, PA
- Average humidity in April: 80%
The month with the highest relative humidity is February (90%).
The month with the lowest relative humidity is May (79%).
Average rainfall in April
Grand Valley, PA
- Average rainfall in April: 2.32"
The wettest month (with the highest rainfall) is April (2.32").
The driest month (with the least rainfall) is November (1.57").
Average rainfall days in April
Grand Valley, PA
- Average rainfall days in April: 15.8 days
The month with the highest number of rainy days is May (17.5 days).
The month with the least rainy days is February (7.5 days).
Average snowfall in April
Grand Valley, PA
- Average snowfall in April: 1.26"
The month with the highest snowfall is January (7.28").
The months with the least snowfall are June, July, August and September (0").
Average snowfall days in April
Grand Valley, PA
- Average snowfall days in April: 4.6 days
The month with the highest number of snowfall days is January (21.8 days).
The months with the least snowfall days are June, July, August and September (0 days).
Average daylight in April /
Average sunshine in April
Grand Valley, PA
- Average daylight in April: 13h and 2min
The month with the longest days is June (Average daylight: 15h and 12min).
The month with the shortest days is December (Average daylight: 9h and 12min).
- Average sunshine in April: 6h and 5min
The months with the most sunshine are July and August (Average sunshine: 9h and 48min).
The month with the least sunshine is January (Average sunshine: 2h and 12min).
Average sunshine days in April
Grand Valley, PA
- Average sunshine days in April: 10.3 days
The month with the most sunshine days is October (13.3 days).
The month with the least sunshine days is January (5.3 days).
Average UV index in April
Grand Valley, PA
- Average UV index in April: 3
The months with the highest UV index are May, June, July and August (UV index 5).
The months with the lowest UV index are January, February and December (UV index 1).
Average cloud cover in April
Grand Valley, PA
- Average cloud cover in April: 54
The month with the most cloud cover is January (Cloud cover 78).
The months with the least cloud cover are July and August (Cloud cover 37).
Average visibility in April
Grand Valley, PA
- Average visibility in April: 5mi
The months with the highest visibility are March, April, May, June, July, August, September, October and November (5mi).
The months with the lowest visibility are January, February and December (4mi).
Grand Valley, Pennsylvania, USA
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