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
As Harpers Ferry transitions into April, a rise in the average high-temperature is observed, moving from a cool 50.9°F (10.5°C) in March to an enjoyable 63.5°F (17.5°C). The nighttime temperature in Harpers Ferry, during April, averages of 43.3°F (6.3°C).Humidity
The months with the lowest humidity in Harpers Ferry, West Virginia, are April and July, with an average relative humidity of 74%.Rainfall
In April, the rain falls for 16 days. Throughout April, 2.56" (65mm) of precipitation is accumulated. In Harpers Ferry, during the entire year, the rain falls for 163.3 days and collects up to 29.84" (758mm) of precipitation.Snowfall
Months with snowfall are January through April, November and December. April is the last month it regularly snows. During 0.2 snowfall days, in April, Harpers Ferry aggregates 0.04" (1mm) of snow. Throughout the year, there are 20.6 snowfall days, and 12.13" (308mm) of snow is accumulated.Daylight
In April, the average length of the day in Harpers Ferry is 13h and 16min.On the first day of the month, sunrise is at 6:53 am and sunset at 7:35 pm. On the last day of April, in Harpers Ferry, sunrise is at 6:12 am and sunset at 8:03 pm EDT.
Sunshine
The average sunshine in April in Harpers Ferry is 8.8h.UV index
In April, the average daily maximum UV index is 4. A UV Index estimate of 3 to 5 represents a moderate health risk from exposure to the Sun's UV radiation for average individuals.Note: In April, the average maximum UV index of 4 translates into the following recommendations:
Proceed with care. Light skin individuals may be exposed to burns in fewer than 30 minutes. Stay safe from the Sun's strongest UV rays by limiting exposure during midday. Safeguard your eyes, ears, and face from sun rays with the aid of a wide-brim hat. Observe! Snow reflection can nearly intensify the Sun's UV radiation twofold.
Frequently asked questions
What is the temperature in April in Harpers Ferry?
What is the least humid month in Harpers Ferry?
What is the average humidity in April in Harpers Ferry?
How many days does it rain in April in Harpers Ferry?
What is the last month it snows in Harpers Ferry?
How many hours of daylight does Harpers Ferry have in April?
When are sunrise and sunset in April in Harpers Ferry?
How long on average sun shines in April in Harpers Ferry?
What is the UV index reading in April in Harpers Ferry?
Average temperature in April
Harpers Ferry, WV
- Average high temperature in April: 63.5°F
The warmest month (with the highest average high temperature) is July (86.4°F).
The month with the lowest average high temperature is January (38.1°F).
- Average low temperature in April: 43.3°F
The month with the highest average low temperature is July (64.9°F).
The coldest month (with the lowest average low temperature) is January (24.3°F).
Average pressure in April
Harpers Ferry, WV
- Average pressure in April: 29.99"Hg
The month with the highest atmospheric pressure is November (30.14"Hg).
The month with the lowest atmospheric pressure is June (29.95"Hg).
Average wind speed in April
Harpers Ferry, WV
- Average wind speed in April: 7.3mph
The windiest month (with the highest average wind speed) is March (7.5mph).
The calmest month (with the lowest average wind speed) is August (4.4mph).
Average humidity in April
Harpers Ferry, WV
- Average humidity in April: 74%
The month with the highest relative humidity is October (79%).
The months with the lowest relative humidity are April and July (74%).
Average rainfall in April
Harpers Ferry, WV
- Average rainfall in April: 2.56"
The wettest month (with the highest rainfall) is May (3.35").
The driest month (with the least rainfall) is January (1.97").
Average rainfall days in April
Harpers Ferry, WV
- Average rainfall days in April: 16 days
The month with the highest number of rainy days is May (19.3 days).
The month with the least rainy days is January (9.1 days).
Average snowfall in April
Harpers Ferry, WV
- Average snowfall in April: 0.04"
The month with the highest snowfall is January (3.62").
The months with the least snowfall are May, June, July, August, September and October (0").
Average snowfall days in April
Harpers Ferry, WV
- Average snowfall days in April: 0.2 days
The month with the highest number of snowfall days is January (6.9 days).
The months with the least snowfall days are May, June, July, August, September and October (0 days).
Average daylight in April /
Average sunshine in April
Harpers Ferry, WV
- Average daylight in April: 13h and 2min
The month with the longest days is June (Average daylight: 14h and 54min).
The month with the shortest days is December (Average daylight: 9h and 30min).
- Average sunshine in April: 8h and 5min
The month with the most sunshine is July (Average sunshine: 10h and 42min).
The months with the least sunshine are January and February (Average sunshine: 5h and 0min).
Average sunshine days in April
Harpers Ferry, WV
- Average sunshine days in April: 11.8 days
The month with the most sunshine days is November (18.6 days).
The month with the least sunshine days is May (10.7 days).
Average UV index in April
Harpers Ferry, WV
- Average UV index in April: 4
The months with the highest UV index are May, June, July and August (UV index 6).
The months with the lowest UV index are January, February, November and December (UV index 2).
Average cloud cover in April
Harpers Ferry, WV
- Average cloud cover in April: 42
The months with the most cloud cover are February and March (Cloud cover 47).
The month with the least cloud cover is July (Cloud cover 31).
Average visibility in April
Harpers Ferry, WV
- Average visibility in April: 6mi
The months with the highest visibility are February, March, April, June, July, August and November (6mi).
The months with the lowest visibility are January, May, September, October and December (5mi).
Harpers Ferry, West Virginia, USA
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