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
April witnesses an increase in the average high-temperature, moving from a frosty 44.8°F (7.1°C) in March to a moderate 57°F (13.9°C). Nighttime temperature dips to a mean of 39.6°F (4.2°C) during April.Humidity
April is the least humid month in Byrnsville, with an average relative humidity of 77%.Rainfall
In Byrnsville, in April, it is raining for 17.1 days, with typically 2.95" (75mm) of accumulated precipitation. Throughout the year, in Byrnsville, there are 159.6 rainfall days, and 29.41" (747mm) of precipitation is accumulated.Snowfall
January through May, October through December are months with snowfall. In April, it is snowing for 2 days. Throughout April, 0.39" (10mm) of snow is accumulated. Throughout the year, there are 48.2 snowfall days, and 24.84" (631mm) of snow is accumulated.Daylight
In April, the average length of the day is 13h and 20min.On the first day of the month, sunrise is at 6:47 am and sunset at 7:30 pm. On the last day of April, sunrise is at 6:03 am and sunset at 8:01 pm EDT.
Sunshine
The average sunshine in April is 7.9h.UV index
The average daily maximum UV index in April is 3. A UV Index reading of 3 to 5 represents a moderate health risk from exposure to the Sun's UV radiation for the ordinary person.Note: An average maximum UV index of 3 in April leads to these recommendations:
Preventative actions are necessary - The mandate to avoid skin and eye damage is in place. Avoiding the Sun during its peak radiation time around midday is a healthy practice. A wide-brimmed hat is a shield, deflecting up to 50% of harmful UV radiation from eyes. 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 temperature in April in Byrnsville?
What is the least humid month in Byrnsville?
What is the average humidity in April?
How much does it rain in April?
How much does it snow in Byrnsville 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 Byrnsville have in April?
What is the UV index intensity in April?
Average temperature in April
Byrnsville, PA
- Average high temperature in April: 57°F
The warmest month (with the highest average high temperature) is July (81.1°F).
The month with the lowest average high temperature is January (31.8°F).
- Average low temperature in April: 39.6°F
The month with the highest average low temperature is July (61.3°F).
The coldest month (with the lowest average low temperature) is January (19.8°F).
Average pressure in April
Byrnsville, 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 (29.94"Hg).
Average wind speed in April
Byrnsville, PA
- Average wind speed in April: 8.2mph
The windiest month (with the highest average wind speed) is March (8.3mph).
The calmest month (with the lowest average wind speed) is August (4.8mph).
Average humidity in April
Byrnsville, PA
- Average humidity in April: 77%
The month with the highest relative humidity is February (83%).
The month with the lowest relative humidity is April (77%).
Average rainfall in April
Byrnsville, PA
- Average rainfall in April: 2.95"
The wettest month (with the highest rainfall) is May (3.11").
The driest month (with the least rainfall) is September (1.77").
Average rainfall days in April
Byrnsville, PA
- Average rainfall days in April: 17.1 days
The month with the highest number of rainy days is May (18.2 days).
The month with the least rainy days is January (8.9 days).
Average snowfall in April
Byrnsville, PA
- Average snowfall in April: 0.39"
The month with the highest snowfall is January (5.98").
The months with the least snowfall are June, July, August and September (0").
Average snowfall days in April
Byrnsville, PA
- Average snowfall days in April: 2 days
The month with the highest number of snowfall days is January (12.8 days).
The months with the least snowfall days are June, July, August and September (0 days).
Average daylight in April /
Average sunshine in April
Byrnsville, 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 24min).
The month with the least sunshine is February (Average sunshine: 4h and 12min).
Average sunshine days in April
Byrnsville, PA
- Average sunshine days in April: 10.8 days
The month with the most sunshine days is November (16.5 days).
The month with the least sunshine days is February (10.3 days).
Average UV index in April
Byrnsville, PA
- Average UV index in April: 3
The months with the highest UV index are June and July (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
Byrnsville, PA
- Average cloud cover in April: 48
The months with the most cloud cover are February and December (Cloud cover 55).
The month with the least cloud cover is July (Cloud cover 33).
Average visibility in April
Byrnsville, PA
- Average visibility in April: 6mi
The month with the highest visibility is April (6mi).
The months with the lowest visibility are January, February, March, May, June, July, August, September, October, November and December (5mi).
Byrnsville, Pennsylvania, USA
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