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
With the transition into April, Arnold experiences an increase in average high-temperatures, moving up from a frosty 47.1°F (8.4°C) in March to a mild 59.9°F (15.5°C). Arnold experiences a nighttime temperature average of 40.5°F (4.7°C) during April.Humidity
April, July and August, with an average relative humidity of 76%, are the least humid months in Arnold.Rainfall
The wettest months in Arnold, Pennsylvania, are April and May, with an average 3.66" (93mm) of rainfall.Snowfall
Months with snowfall are January through May, October through December. In Arnold, in April, during 2.7 snowfall days, 0.75" (19mm) of snow is typically accumulated. Throughout the year, in Arnold, there are 63.1 snowfall days, and 25.12" (638mm) of snow is accumulated.Daylight
In April, the average length of the day in Arnold is 13h and 19min.On the first day of April in Arnold, sunrise is at 7:01 am and sunset at 7:44 pm. On the last day of the month, sunrise is at 6:18 am and sunset at 8:14 pm EDT.
Sunshine
The average sunshine in April in Arnold is 7.5h.UV index
In Arnold, the average daily maximum UV index in April is 4. A UV Index estimate of 3 to 5 represents a medium vulnerability from unsafe exposure to UV radiation for the ordinary person.Note: An average UV index of 4 in April transforms into this advice:
Be vigilant - Suggestions to stave off sun damage are provided. The solar radiation is most powerful near the mid-day, so the exposure to the direct Sun should be reduced accordingly. Enhance your sun protection with tightly woven, yet airy clothing. Note this! The Sun's UV radiation can nearly be doubled by the reflection off snow.
Frequently asked questions
What are April temperatures in Arnold?
What is the least humid month in Arnold?
What is the average humidity in April in Arnold?
What is the wettest month in Arnold?
How much does it rain in Arnold in April?
How much does it snow in Arnold in April?
What is the average length of the day in April in Arnold?
When is the sunrise / sunset in April in Arnold?
How long on average sun shines in April in Arnold?
How high is the UV index in April in Arnold?
Average temperature in April
Arnold, PA
- Average high temperature in April: 59.9°F
The warmest month (with the highest average high temperature) is July (82.9°F).
The month with the lowest average high temperature is January (32.7°F).
- Average low temperature in April: 40.5°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 (20.3°F).
Average pressure in April
Arnold, PA
- Average pressure in April: 29.97"Hg
The month with the highest atmospheric pressure is November (30.13"Hg).
The month with the lowest atmospheric pressure is June (29.95"Hg).
Average wind speed in April
Arnold, PA
- Average wind speed in April: 7.6mph
The windiest month (with the highest average wind speed) is January (8.1mph).
The calmest month (with the lowest average wind speed) is August (4.7mph).
Average humidity in April
Arnold, PA
- Average humidity in April: 76%
The month with the highest relative humidity is February (85%).
The months with the lowest relative humidity are April, July and August (76%).
Average rainfall in April
Arnold, PA
- Average rainfall in April: 3.66"
The wettest months (with the highest rainfall) are April and May (3.66").
The driest month (with the least rainfall) is November (2.2").
Average rainfall days in April
Arnold, PA
- Average rainfall days in April: 17.9 days
The month with the highest number of rainy days is May (20.2 days).
The month with the least rainy days is January (11.1 days).
Average snowfall in April
Arnold, PA
- Average snowfall in April: 0.75"
The month with the highest snowfall is January (6.73").
The months with the least snowfall are June, July, August and September (0").
Average snowfall days in April
Arnold, PA
- Average snowfall days in April: 2.7 days
The month with the highest number of snowfall days is January (18 days).
The months with the least snowfall days are June, July, August and September (0 days).
Average daylight in April /
Average sunshine in April
Arnold, 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: 7h and 3min
The month with the most sunshine is August (Average sunshine: 10h and 6min).
The month with the least sunshine is January (Average sunshine: 2h and 54min).
Average sunshine days in April
Arnold, PA
- Average sunshine days in April: 10.1 days
The month with the most sunshine days is November (14.8 days).
The month with the least sunshine days is January (7.3 days).
Average UV index in April
Arnold, PA
- Average UV index in April: 4
The month with the highest UV index is July (UV index 6).
The month with the lowest UV index is December (UV index 1).
Average cloud cover in April
Arnold, PA
- Average cloud cover in April: 49
The month with the most cloud cover is January (Cloud cover 70).
The month with the least cloud cover is August (Cloud cover 34).
Average visibility in April
Arnold, PA
- Average visibility in April: 6mi
The months with the highest visibility are April and August (6mi).
The months with the lowest visibility are January and February (4mi).
Arnold, Pennsylvania, USA
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