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
Charleston's weather in April presents a rise in the average high-temperature, moving from a cold 41.5°F (5.3°C) in March to a fresh 53.8°F (12.1°C). An average nighttime temperature of 35.2°F (1.8°C) is noted in Charleston, Pennsylvania, during the month of April.Humidity
In April, the average relative humidity in Charleston is 79%.Rainfall
April is the month with the most rainfall. Rain falls for 17.4 days and accumulates 3.35" (85mm) of precipitation.Snowfall
Months with snowfall are January through May, October through December. In April, in Charleston, it is snowing for 4.8 days. Throughout April, 2.44" (62mm) of snow is accumulated. Throughout the year, in Charleston, there are 80.1 snowfall days, and 36.85" (936mm) of snow is accumulated.Daylight
In April, the average length of the day in Charleston is 13h and 22min.On the first day of April, sunrise is at 6:50 am and sunset at 7:34 pm. On the last day of the month, sunrise is at 6:05 am and sunset at 8:06 pm EDT.
Sunshine
In Charleston, the average sunshine in April is 7.2h.UV index
The average daily maximum UV index in April is 3. A UV Index of 3 to 5 symbolizes a medium vulnerability from unsafe exposure to UV radiation for the average person.Note: A typical high UV index of 3 in April suggests the following recommendations:
Ensure safety - Recommendations to avert sunburn are presented. Limiting exposure to the direct Sun during midday hours can help prevent harmful UV radiation effects. A hat with a generous brim can prevent nearly 50% of UV rays from reaching your eyes. Take warning! The intensity of the Sun's UV radiation can be nearly amplified twice due to snow reflection.
Frequently asked questions
What are April temperatures in Charleston?
What is the average humidity in April in Charleston?
What is the rainiest month in Charleston?
How much does it rain in Charleston in April?
How much does it snow in Charleston in April?
How many hours of daylight does Charleston have in April?
When are sunrise and sunset in April in Charleston?
How long on average sun shines in April in Charleston?
How high is the UV index in April in Charleston?
Average temperature in April
Charleston, PA
- Average high temperature in April: 53.8°F
The warmest month (with the highest average high temperature) is July (79.3°F).
The month with the lowest average high temperature is January (28.6°F).
- Average low temperature in April: 35.2°F
The month with the highest average low temperature is July (57.2°F).
The coldest month (with the lowest average low temperature) is January (17.1°F).
Average pressure in April
Charleston, PA
- Average pressure in April: 29.98"Hg
The month with the highest atmospheric pressure is November (30.12"Hg).
The month with the lowest atmospheric pressure is June (29.94"Hg).
Average wind speed in April
Charleston, PA
- Average wind speed in April: 8.5mph
The windiest month (with the highest average wind speed) is January (8.8mph).
The calmest month (with the lowest average wind speed) is August (5.5mph).
Average humidity in April
Charleston, PA
- Average humidity in April: 79%
The month with the highest relative humidity is February (86%).
The month with the lowest relative humidity is June (78%).
Average rainfall in April
Charleston, PA
- Average rainfall in April: 3.35"
The wettest month (with the highest rainfall) is April (3.35").
The driest month (with the least rainfall) is November (1.97").
Average rainfall days in April
Charleston, PA
- Average rainfall days in April: 17.4 days
The month with the highest number of rainy days is July (19.4 days).
The month with the least rainy days is February (8.5 days).
Average snowfall in April
Charleston, PA
- Average snowfall in April: 2.44"
The month with the highest snowfall is February (9.06").
The months with the least snowfall are June, July, August and September (0").
Average snowfall days in April
Charleston, PA
- Average snowfall days in April: 4.8 days
The month with the highest number of snowfall days is January (18.7 days).
The months with the least snowfall days are June, July, August and September (0 days).
Average daylight in April /
Average sunshine in April
Charleston, 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: 7h and 1min
The month with the most sunshine is July (Average sunshine: 10h and 0min).
The month with the least sunshine is December (Average sunshine: 3h and 6min).
Average sunshine days in April
Charleston, PA
- Average sunshine days in April: 9.5 days
The month with the most sunshine days is September (14 days).
The month with the least sunshine days is February (7.4 days).
Average UV index in April
Charleston, 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 and December (UV index 1).
Average cloud cover in April
Charleston, PA
- Average cloud cover in April: 54
The month with the most cloud cover is December (Cloud cover 69).
The months with the least cloud cover are July and August (Cloud cover 39).
Average visibility in April
Charleston, PA
- Average visibility in April: 5mi
The months with the highest visibility are January, March, April, May, June, July, August, September, October, November and December (5mi).
The month with the lowest visibility is February (4mi).
Charleston, Pennsylvania, USA
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