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
An escalation in the average high-temperature is seen with the onset of April, moving from a cold 41.5°F (5.3°C) in March to a fresh 53.4°F (11.9°C). Clarendon, during April nights, observes an average temperature of 35.4°F (1.9°C).Humidity
In April, the average relative humidity in Clarendon is 81%.Rainfall
April is the month with the most rainfall. Rain falls for 16.6 days and accumulates 2.99" (76mm) of precipitation.Snowfall
January through May, October through December are months with snowfall. In Clarendon, during April, snow falls for 5.8 days and regularly aggregates up to 2.6" (66mm) of snow. Throughout the year, there are 90.1 snowfall days, and 39.41" (1001mm) of snow is accumulated.Daylight
The average length of the day in April is 13h and 22min.On the first day of April, sunrise is at 6:57 am and sunset at 7:42 pm. On the last day of the month, sunrise is at 6:12 am and sunset at 8:14 pm EDT.
Sunshine
In April, the average sunshine is 6.7h.UV index
In April, the average daily maximum UV index is 3. A UV Index reading of 3 to 5 represents a moderate health risk from unsafe exposure to UV radiation for the average person.Note: In April, the average maximum UV index of 3 translates into the following recommendations:
Take precautions - Protection against sunburn is recommended. The solar radiation is most powerful near the mid-day, so the exposure to the direct Sun should be reduced accordingly. Using UVA and UVB-protective sunglasses and sun-protective clothing is effective against UV radiation. Foresee this! The reflection from snow can nearly double the intensity of UV radiation from the Sun.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
What is the usual temperature for Clarendon in April?
What is the average humidity in April?
What is the wettest month?
How much does it rain in April?
How many days does it snow in April?
How many hours of daylight does Clarendon have in April?
When are sunrise and sunset in April?
How many hours of sunshine does Clarendon have in April?
What is the UV index intensity in April?
Average temperature in April
Clarendon, PA
- Average high temperature in April: 53.4°F
The warmest month (with the highest average high temperature) is July (78.4°F).
The month with the lowest average high temperature is January (28.2°F).
- Average low temperature in April: 35.4°F
The month with the highest average low temperature is July (56.8°F).
The coldest month (with the lowest average low temperature) is January (16.7°F).
Average pressure in April
Clarendon, PA
- Average pressure in April: 29.97"Hg
The month with the highest atmospheric pressure is November (30.11"Hg).
The month with the lowest atmospheric pressure is June (29.94"Hg).
Average wind speed in April
Clarendon, PA
- Average wind speed in April: 8.5mph
The windiest month (with the highest average wind speed) is January (9.3mph).
The calmest month (with the lowest average wind speed) is August (5.6mph).
Average humidity in April
Clarendon, PA
- Average humidity in April: 81%
The months with the highest relative humidity are January and February (89%).
The month with the lowest relative humidity is May (80%).
Average rainfall in April
Clarendon, PA
- Average rainfall in April: 2.99"
The wettest month (with the highest rainfall) is April (2.99").
The driest month (with the least rainfall) is September (1.77").
Average rainfall days in April
Clarendon, PA
- Average rainfall days in April: 16.6 days
The month with the highest number of rainy days is May (18.9 days).
The month with the least rainy days is January (8.1 days).
Average snowfall in April
Clarendon, PA
- Average snowfall in April: 2.6"
The month with the highest snowfall is December (9.29").
The months with the least snowfall are June, July, August and September (0").
Average snowfall days in April
Clarendon, PA
- Average snowfall days in April: 5.8 days
The month with the highest number of snowfall days is January (22.4 days).
The months with the least snowfall days are June, July, August and September (0 days).
Average daylight in April /
Average sunshine in April
Clarendon, PA
- Average daylight in April: 13h and 2min
The month with the longest days is June (Average daylight: 15h and 12min).
The month with the shortest days is December (Average daylight: 9h and 12min).
- Average sunshine in April: 6h and 4min
The month with the most sunshine is July (Average sunshine: 9h and 36min).
The month with the least sunshine is January (Average sunshine: 2h and 6min).
Average sunshine days in April
Clarendon, PA
- Average sunshine days in April: 9.2 days
The month with the most sunshine days is September (12.5 days).
The month with the least sunshine days is January (4.3 days).
Average UV index in April
Clarendon, PA
- Average UV index in April: 3
The months with the highest UV index are May, June, July and August (UV index 5).
The months with the lowest UV index are January, February and December (UV index 1).
Average cloud cover in April
Clarendon, PA
- Average cloud cover in April: 56
The month with the most cloud cover is January (Cloud cover 80).
The months with the least cloud cover are July and August (Cloud cover 41).
Average visibility in April
Clarendon, PA
- Average visibility in April: 5mi
The months with the highest visibility are March, April, May, June, July, October and November (5mi).
The months with the lowest visibility are January, February, August, September and December (4mi).
Clarendon, Pennsylvania, USA
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