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 brings a temperature increase, with average high-temperatures moving from March's chilly 46.9°F (8.3°C) to a moderate 59.5°F (15.3°C). During April, the temperature tends to dip to an average of 41.2°F (5.1°C) at night.Humidity
April is the least humid month, with an average relative humidity of 76%.Rainfall
In West Lawn, in April, it is raining for 16.3 days, with typically 2.8" (71mm) of accumulated precipitation. In West Lawn, during the entire year, the rain falls for 158.3 days and collects up to 29.76" (756mm) of precipitation.Snowfall
Months with snowfall are January through May, October through December. In April, it is snowing for 0.4 days. Throughout April, 0.16" (4mm) of snow is accumulated. Throughout the year, there are 26.5 snowfall days, and 12.64" (321mm) of snow is accumulated.Daylight
The average length of the day in April is 13h and 19min.On the first day of April, sunrise is at 6:46 am and sunset at 7:28 pm. On the last day of the month, sunrise is at 6:03 am and sunset at 7:58 pm EDT.
Sunshine
The average sunshine in April is 8.1h.UV index
In April, the average daily maximum UV index is 4. A UV Index of 3 to 5 symbolizes a medium health hazard from exposure to the Sun's UV rays for ordinary individuals.Note: In April, the maximum UV index of 4 suggests this advice:
Undertake protective steps - Recommendations to avoid sunburn are issued. Avoiding direct sunlight during midday hours helps reduce the risk from intense UV radiation. Sun protection is enhanced with clothing that boasts a tight weave yet offers a loose fit. Be careful! The Sun's UV radiation can nearly be doubled by the reflective quality of snow.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
What are April temperatures?
What is the least humid month?
What is the average humidity in April?
How many days does it rain in April?
How much does it snow in West Lawn in April?
How many hours of daylight does West Lawn have in April?
What time are sunrise and sunset in April?
How many hours of sunshine does West Lawn have in April?
What is the UV index reading in April?
Average temperature in April
West Lawn, PA
- Average high temperature in April: 59.5°F
The warmest month (with the highest average high temperature) is July (82.6°F).
The month with the lowest average high temperature is January (35.1°F).
- Average low temperature in April: 41.2°F
The month with the highest average low temperature is July (63.7°F).
The coldest month (with the lowest average low temperature) is January (22.1°F).
Average pressure in April
West Lawn, 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
West Lawn, PA
- Average wind speed in April: 8.2mph
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
West Lawn, PA
- Average humidity in April: 76%
The months with the highest relative humidity are February and October (81%).
The month with the lowest relative humidity is April (76%).
Average rainfall in April
West Lawn, PA
- Average rainfall in April: 2.8"
The wettest month (with the highest rainfall) is August (2.95").
The driest month (with the least rainfall) is September (1.85").
Average rainfall days in April
West Lawn, PA
- Average rainfall days in April: 16.3 days
The month with the highest number of rainy days is May (17.7 days).
The month with the least rainy days is January (7.8 days).
Average snowfall in April
West Lawn, PA
- Average snowfall in April: 0.16"
The month with the highest snowfall is March (3.54").
The months with the least snowfall are June, July, August and September (0").
Average snowfall days in April
West Lawn, PA
- Average snowfall days in April: 0.4 days
The month with the highest number of snowfall days is January (8.3 days).
The months with the least snowfall days are June, July, August and September (0 days).
Average daylight in April /
Average sunshine in April
West Lawn, 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
West Lawn, PA
- Average sunshine days in April: 11.9 days
The month with the most sunshine days is November (17.8 days).
The month with the least sunshine days is May (11.2 days).
Average UV index in April
West Lawn, PA
- Average UV index in April: 4
The months with the highest UV index are May, 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
West Lawn, PA
- Average cloud cover in April: 46
The months with the most cloud cover are February and December (Cloud cover 50).
The month with the least cloud cover is July (Cloud cover 31).
Average visibility in April
West Lawn, PA
- Average visibility in April: 6mi
The months with the highest visibility are January, March, April, June, July, November and December (6mi).
The months with the lowest visibility are February, May, August, September and October (5mi).
West Lawn, Pennsylvania, USA
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