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 onset of April brings a rise in the average high-temperature, elevating from a frosty 45.1°F (7.3°C) in March to a moderate 57.2°F (14°C). Merrian experiences a consistent average temperature of 39.6°F (4.2°C) throughout the nights in April.Humidity
The months with the lowest humidity in Merrian are March and April, with an average relative humidity of 77%.Rainfall
In Merrian, in April, it is raining for 14.4 days, with typically 1.69" (43mm) of accumulated precipitation. In Merrian, during the entire year, the rain falls for 129.2 days and collects up to 16.42" (417mm) of precipitation.Snowfall
January through May, October through December are months with snowfall. In Merrian, Pennsylvania, in April, during 0.6 snowfall days, 0.16" (4mm) of snow is typically accumulated. In Merrian, during the entire year, snow falls for 28.6 days and aggregates up to 9.37" (238mm) of snow.Daylight
The average length of the day in April is 13h and 20min.On the first day of April, sunrise is at 6:47 am and sunset at 7:30 pm. On the last day of the month, sunrise is at 6:04 am and sunset at 8:01 pm EDT.
Sunshine
In April, the average sunshine is 7.8h.UV index
In April, the average daily maximum UV index is 3. A UV Index of 3 to 5 symbolizes a medium vulnerability from exposure to the Sun's UV radiation for the average person.Note: A maximum high UV index of 3 in April translates into the following recommendations:
Guard yourself - An obligation to protect skin and eyes from harm exists. Avoiding direct sunlight during midday hours helps reduce the risk from intense UV radiation. Enhance your sun protection with tightly woven, yet airy clothing. Take warning! The intensity of the Sun's UV radiation can be nearly amplified twice due to snow reflection.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
What are April temperatures in Merrian?
What are the least humid months in Merrian?
What is the average humidity in April in Merrian?
How much does it rain in Merrian in April?
How many days does it snow in April in Merrian?
What is the average length of the day in April in Merrian?
When is the sunrise / sunset in April in Merrian?
How many hours of sunshine does Merrian have in April?
What is the UV index reading in April in Merrian?
Average temperature in April
Merrian, PA
- Average high temperature in April: 57.2°F
The warmest month (with the highest average high temperature) is July (81.5°F).
The month with the lowest average high temperature is January (32°F).
- Average low temperature in April: 39.6°F
The month with the highest average low temperature is July (61.2°F).
The coldest month (with the lowest average low temperature) is January (20.1°F).
Average pressure in April
Merrian, PA
- Average pressure in April: 29.99"Hg
The month with the highest atmospheric pressure is November (30.13"Hg).
The month with the lowest atmospheric pressure is June (29.94"Hg).
Average wind speed in April
Merrian, PA
- Average wind speed in April: 8.3mph
The windiest months (with the highest average wind speed) are March and April (8.3mph).
The calmest month (with the lowest average wind speed) is August (4.7mph).
Average humidity in April
Merrian, PA
- Average humidity in April: 77%
The month with the highest relative humidity is February (82%).
The months with the lowest relative humidity are March and April (77%).
Average rainfall in April
Merrian, PA
- Average rainfall in April: 1.69"
The wettest months (with the highest rainfall) are May and July (1.97").
The driest month (with the least rainfall) is February (0.98").
Average rainfall days in April
Merrian, PA
- Average rainfall days in April: 14.4 days
The month with the highest number of rainy days is May (15.4 days).
The month with the least rainy days is January (5.8 days).
Average snowfall in April
Merrian, PA
- Average snowfall in April: 0.16"
The month with the highest snowfall is February (2.2").
The months with the least snowfall are June, July, August and September (0").
Average snowfall days in April
Merrian, PA
- Average snowfall days in April: 0.6 days
The month with the highest number of snowfall days is January (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
Merrian, PA
- Average daylight in April: 13h and 2min
The month with the longest days is June (Average daylight: 15h and 6min).
The month with the shortest days is December (Average daylight: 9h and 18min).
- Average sunshine in April: 7h and 5min
The month with the most sunshine is July (Average sunshine: 10h and 18min).
The month with the least sunshine is February (Average sunshine: 4h and 6min).
Average sunshine days in April
Merrian, PA
- Average sunshine days in April: 13.8 days
The month with the most sunshine days is November (20.4 days).
The month with the least sunshine days is May (12.5 days).
Average UV index in April
Merrian, PA
- Average UV index in April: 3
The month with the highest UV index is June (UV index 6).
The months with the lowest UV index are January, February, March, November and December (UV index 2).
Average cloud cover in April
Merrian, PA
- Average cloud cover in April: 48
The month with the most cloud cover is February (Cloud cover 56).
The month with the least cloud cover is July (Cloud cover 33).
Average visibility in April
Merrian, PA
- Average visibility in April: 6mi
The months with the highest visibility are March, April, November and December (6mi).
The months with the lowest visibility are January, February, May, June, July, August, September and October (5mi).
Merrian, Pennsylvania, USA
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