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
As March gives way to April, the average high-temperature displays an increase, moving from a frosty 48.4°F (9.1°C) to a moderate 60.6°F (15.9°C). Throughout April, an average nighttime temperature of 43.2°F (6.2°C) is experienced.Humidity
April and July, with an average relative humidity of 74%, are the least humid months.Rainfall
In Merlin, in April, during 12.9 rainfall days, 1.22" (31mm) of precipitation is typically accumulated. Throughout the year, in Merlin, there are 132.3 rainfall days, and 13.98" (355mm) of precipitation is accumulated.Snowfall
April through October are months without snowfall.Daylight
The average length of the day in April is 13h and 18min.On the first day of the month, sunrise is at 6:44 am and sunset at 7:27 pm. On the last day of April, sunrise is at 6:02 am and sunset at 7:56 pm EDT.
Sunshine
In Merlin, the average sunshine in April is 8.1h.UV index
In Merlin, the average daily maximum UV index in April is 4. A UV Index reading of 3 to 5 represents a moderate health risk from exposure to the Sun's UV rays for the ordinary person.Note: The UV index of 4 during April translates into the following guidance:
Take precautions. Light skin individuals may get burned in less than 30 minutes. The Sun's harshest UV rays are around midday; it's wise to seek shade and limit time outdoors. Wearing sunglasses with both UVA and UVB protection effectively reduces sun-induced eye damage.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
What is the temperature in April?
What are the least humid months?
What is the average humidity in April?
How many days does it rain in April?
When it does not snow?
Does it snow in Merlin in April?
What is the average length of the day in April?
When is the sunrise / sunset in April?
How many hours of sunshine does Merlin have in April?
How high is the UV index in April in Merlin?
Average temperature in April
Merlin, PA
- Average high temperature in April: 60.6°F
The warmest month (with the highest average high temperature) is July (85.1°F).
The month with the lowest average high temperature is January (36°F).
- Average low temperature in April: 43.2°F
The month with the highest average low temperature is July (66.7°F).
The coldest month (with the lowest average low temperature) is January (23.9°F).
Average pressure in April
Merlin, PA
- Average pressure in April: 29.99"Hg
The month with the highest atmospheric pressure is November (30.12"Hg).
The month with the lowest atmospheric pressure is June (29.94"Hg).
Average wind speed in April
Merlin, PA
- Average wind speed in April: 8.1mph
The windiest month (with the highest average wind speed) is March (8.3mph).
The calmest month (with the lowest average wind speed) is August (5.2mph).
Average humidity in April
Merlin, PA
- Average humidity in April: 74%
The month with the highest relative humidity is February (80%).
The months with the lowest relative humidity are April and July (74%).
Average rainfall in April
Merlin, PA
- Average rainfall in April: 1.22"
The wettest month (with the highest rainfall) is August (1.77").
The driest month (with the least rainfall) is February (0.75").
Average rainfall days in April
Merlin, PA
- Average rainfall days in April: 12.9 days
The month with the highest number of rainy days is May (15.3 days).
The month with the least rainy days is January (6.9 days).
Average snowfall in April
Merlin, PA
- Average snowfall in April: 0"
The months with the highest snowfall are January and February (0.59").
The months with the least snowfall are April, May, June, July, August, September and October (0").
Average snowfall days in April
Merlin, PA
- Average snowfall days in April: 0 days
The month with the highest number of snowfall days is February (4.9 days).
The months with the least snowfall days are April, May, June, July, August, September and October (0 days).
Average daylight in April /
Average sunshine in April
Merlin, 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: 8h and 1min
The month with the most sunshine is July (Average sunshine: 10h and 30min).
The month with the least sunshine is February (Average sunshine: 4h and 36min).
Average sunshine days in April
Merlin, PA
- Average sunshine days in April: 15.2 days
The month with the most sunshine days is January (20.7 days).
The month with the least sunshine days is June (12.8 days).
Average UV index in April
Merlin, PA
- Average UV index in April: 4
The months with the highest UV index are May, June, July and August (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
Merlin, PA
- Average cloud cover in April: 46
The month with the most cloud cover is February (Cloud cover 49).
The month with the least cloud cover is July (Cloud cover 32).
Average visibility in April
Merlin, PA
- Average visibility in April: 6mi
The months with the highest visibility are January, February, March, April, June, July, August, October, November and December (6mi).
The months with the lowest visibility are May and September (5mi).
Merlin, Pennsylvania, USA
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