April weather forecastLlewellyn, PA
April
Weather in April
April in Llewellyn, Pennsylvania, is a moderate spring month, with an average temperature fluctuating between 57.4°F (14.1°C) and 39.7°F (4.3°C).Temperature
April's onset brings a rise in the average high-temperature, moving from a chilly 45.1°F (7.3°C) in March to a moderate 57.4°F (14.1°C). Llewellyn records an average nighttime low-temperature of 39.7°F (4.3°C) throughout April.Humidity
The least humid month is April, with an average relative humidity of 77%.Rainfall
In April, the rain falls for 15.3 days. Throughout April, 2.32" (59mm) of precipitation is accumulated. Throughout the year, there are 146 rainfall days, and 26.42" (671mm) of precipitation is accumulated.Snowfall
Months with snowfall are January through May, October through December. In Llewellyn, Pennsylvania, in April, snow falls for 0.9 days, with typically accumulated 0.2" (5mm) of snow. Throughout the year, in Llewellyn, there are 23 snowfall days, and 13.46" (342mm) of snow is accumulated.Daylight
In April, the average length of the day is 13h and 19min.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 8:00 pm EDT.
Sunshine
In Llewellyn, the average sunshine in April is 7.9h.UV index
In Llewellyn, the average daily maximum UV index in April is 3. A UV Index of 3 to 5 symbolizes a moderate health risk from unprotected exposure to Sun's UV rays for the average person.Note: In April, the maximum UV index of 3 translates into these guidelines:
Undertake precautions - Guarding against sun damage is counselled. Sun exposure should be minimized, especially during midday, to avoid harmful UV radiation. Opt for tightly woven and loose clothing to enhance protection from the Sun. Take careful note! The UV radiation of the Sun can be nearly doubled by snow reflection.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature in April
Llewellyn, PA
- Average high temperature in April: 57.4°F
The warmest month (with the highest average high temperature) is July (81.3°F).
The month with the lowest average high temperature is January (32.7°F).
- Average low temperature in April: 39.7°F
The month with the highest average low temperature is July (61.7°F).
The coldest month (with the lowest average low temperature) is January (20.1°F).
Average pressure in April
Llewellyn, 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
Llewellyn, PA
- Average wind speed in April: 8.3mph
The windiest month (with the highest average wind speed) is March (8.5mph).
The calmest month (with the lowest average wind speed) is August (4.8mph).
Average humidity in April
Llewellyn, PA
- Average humidity in April: 77%
The month with the highest relative humidity is February (82%).
The month with the lowest relative humidity is April (77%).
Average rainfall in April
Llewellyn, PA
- Average rainfall in April: 2.32"
The wettest month (with the highest rainfall) is May (3.07").
The driest month (with the least rainfall) is February (1.69").
Average rainfall days in April
Llewellyn, PA
- Average rainfall days in April: 15.3 days
The month with the highest number of rainy days is May (17.8 days).
The month with the least rainy days is January (5.7 days).
Average snowfall in April
Llewellyn, PA
- Average snowfall in April: 0.2"
The month with the highest snowfall is March (3.86").
The months with the least snowfall are June, July, August and September (0").
Average snowfall days in April
Llewellyn, PA
- Average snowfall days in April: 0.9 days
The month with the highest number of snowfall days is February (6.4 days).
The months with the least snowfall days are June, July, August and September (0 days).
Average daylight in April /
Average sunshine in April
Llewellyn, PA
- Average daylight in April: 13h and 18min
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 54min
The month with the most sunshine is July (Average sunshine: 10h and 30min).
The months with the least sunshine are January and February (Average sunshine: 4h and 24min).
Average sunshine days in April
Llewellyn, PA
- Average sunshine days in April: 13.3 days
The month with the most sunshine days is November (20.5 days).
The month with the least sunshine days is May (10.8 days).
Average UV index in April
Llewellyn, 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
Llewellyn, PA
- Average cloud cover in April: 47
The months with the most cloud cover are February and December (Cloud cover 53).
The month with the least cloud cover is July (Cloud cover 32).
Average visibility in April
Llewellyn, PA
- Average visibility in April: 6mi
The months with the highest visibility are January, March, April, June, November and December (6mi).
The months with the lowest visibility are February, May, July, August, September and October (5mi).
