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 arrival of April signals an increase in the average high-temperature, moving from a chilly 46°F (7.8°C) in March to a refreshing 58.6°F (14.8°C). An average temperature of 40.3°F (4.6°C) marks the nights in April.Humidity
April is the least humid month, with an average relative humidity of 76%.Rainfall
In April, the rain falls for 15.4 days. Throughout April, 2.4" (61mm) of precipitation is accumulated. In Windsor Castle, during the entire year, the rain falls for 148.7 days and collects up to 26.42" (671mm) of precipitation.Snowfall
January through May, October through December are months with snowfall. In Windsor Castle, in April, snow falls for 0.3 days, with typically accumulated 0.08" (2mm) of snow. In Windsor Castle, during the entire year, snow falls for 26.2 days and aggregates up to 13.58" (345mm) of snow.Daylight
In April, the average length of the day is 13h and 19min.On the first day of the month, sunrise is at 6:45 am and sunset at 7:28 pm. On the last day of April, sunrise is at 6:02 am and sunset at 7:58 pm EDT.
Sunshine
In Windsor Castle, the average sunshine in April is 8h.UV index
In Windsor Castle, Pennsylvania, the average daily maximum UV index in April is 4. A UV Index of 3 to 5 symbolizes a medium health hazard from exposure to the Sun's UV radiation for the ordinary person.Note: In April, the maximum UV index of 4 translates into these guidelines:
Undertake precautions - Guarding against sun damage is counselled. The Sun is at its harshest during midday; protect yourself by staying in shaded areas and minimizing exposure. A hat with a broad brim is indispensable, filtering out up to half of UV rays. Be on the lookout! Nearly twofold UV radiation from the Sun can be reflected by 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 April?
What is the average length of the day in April?
What time are sunrise and sunset in April?
How many hours of sunshine does Windsor Castle have in April?
How high is the UV index in April?
Average temperature in April
Windsor Castle, PA
- Average high temperature in April: 58.6°F
The warmest month (with the highest average high temperature) is July (82.4°F).
The month with the lowest average high temperature is January (33.6°F).
- Average low temperature in April: 40.3°F
The month with the highest average low temperature is July (62.6°F).
The coldest month (with the lowest average low temperature) is January (21.6°F).
Average pressure in April
Windsor Castle, 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
Windsor Castle, 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 (4.8mph).
Average humidity in April
Windsor Castle, PA
- Average humidity in April: 76%
The month with the highest relative humidity is February (82%).
The month with the lowest relative humidity is April (76%).
Average rainfall in April
Windsor Castle, PA
- Average rainfall in April: 2.4"
The wettest month (with the highest rainfall) is August (2.87").
The driest month (with the least rainfall) is September (1.61").
Average rainfall days in April
Windsor Castle, PA
- Average rainfall days in April: 15.4 days
The month with the highest number of rainy days is May (17.1 days).
The month with the least rainy days is January (7.7 days).
Average snowfall in April
Windsor Castle, PA
- Average snowfall in April: 0.08"
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
Windsor Castle, PA
- Average snowfall days in April: 0.3 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
Windsor Castle, 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 18min).
- Average sunshine in April: 8h and 0min
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 24min).
Average sunshine days in April
Windsor Castle, PA
- Average sunshine days in April: 12.8 days
The month with the most sunshine days is November (18.8 days).
The month with the least sunshine days is May (10.8 days).
Average UV index in April
Windsor Castle, PA
- Average UV index in April: 4
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
Windsor Castle, PA
- Average cloud cover in April: 47
The month with the most cloud cover is February (Cloud cover 52).
The month with the least cloud cover is July (Cloud cover 33).
Average visibility in April
Windsor Castle, PA
- Average visibility in April: 6mi
The months with the highest visibility are January, March, April, June, July and November (6mi).
The months with the lowest visibility are February, May, August, September, October and December (5mi).
Windsor Castle, Pennsylvania, USA
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