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
Harbeson's transition into April brings a rise in the average high-temperature, moving from a frosty 49.6°F (9.8°C) in March to a mild 59.9°F (15.5°C). Throughout the month of April, the average temperature dips to a frosty 48°F (8.9°C) at night.Humidity
In April, the average relative humidity is 76%.Rainfall
In April, the rain falls for 10.6 days. Throughout April, 0.71" (18mm) of precipitation is accumulated. Throughout the year, there are 124.9 rainfall days, and 11.34" (288mm) of precipitation is accumulated.Snowfall
April, June through October are months without snowfall.Daylight
In Harbeson, the average length of the day in April is 13h and 14min.On the first day of the month, sunrise is at 6:44 am and sunset at 7:25 pm. On the last day of April, sunrise is at 6:03 am and sunset at 7:52 pm EDT.
Sunshine
The average sunshine in April is 9h.UV index
The average daily maximum UV index in April is 4. A UV Index of 3 to 5 symbolizes a moderate threat to health from unsafe exposure to UV radiation for the ordinary person.Note: In April, the maximum UV index of 4 suggests this advice:
Be mindful. Individuals with a lighter skin tone may suffer burns in less than 30 minutes. To guard against the harmful effects of the Sun, minimize exposure during midday. By wearing a generously brimmed hat, you can cut UV radiation exposure significantly. Caution! The reflection of snow can nearly double the intensity of the Sun's UV radiation.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
What are April temperatures?
What is the average humidity in April?
How many days does it rain in April?
When it does not snow?
Does it snow in April?
How many hours of daylight does Harbeson have in April?
When are sunrise and sunset in April?
How many hours of sunshine does Harbeson have in April?
How high is the UV index in April?
Average temperature in April
Harbeson, DE
- Average high temperature in April: 59.9°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 (41°F).
- Average low temperature in April: 48°F
The month with the highest average low temperature is July (71.4°F).
The coldest month (with the lowest average low temperature) is January (30.6°F).
Average pressure in April
Harbeson, DE
- Average pressure in April: 30"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
Harbeson, DE
- Average wind speed in April: 10.6mph
The windiest months (with the highest average wind speed) are January and February (10.8mph).
The calmest month (with the lowest average wind speed) is August (7.1mph).
Average humidity in April
Harbeson, DE
- Average humidity in April: 76%
The month with the highest relative humidity is May (80%).
The months with the lowest relative humidity are January and November (74%).
Average rainfall in April
Harbeson, DE
- Average rainfall in April: 0.71"
The wettest month (with the highest rainfall) is August (1.38").
The driest month (with the least rainfall) is September (0.63").
Average rainfall days in April
Harbeson, DE
- Average rainfall days in April: 10.6 days
The month with the highest number of rainy days is July (13.6 days).
The month with the least rainy days is November (6.7 days).
Average snowfall in April
Harbeson, DE
- Average snowfall in April: 0"
The month with the highest snowfall is January (0.75").
The months with the least snowfall are April, June, July, August, September and October (0").
Average snowfall days in April
Harbeson, DE
- Average snowfall days in April: 0.2 days
The month with the highest number of snowfall days is January (3.8 days).
The months with the least snowfall days are June, July, August, September and October (0 days).
Average daylight in April /
Average sunshine in April
Harbeson, DE
- Average daylight in April: 13h and 1min
The month with the longest days is June (Average daylight: 14h and 48min).
The month with the shortest days is December (Average daylight: 9h and 30min).
- Average sunshine in April: 9h and 0min
The month with the most sunshine is July (Average sunshine: 11h and 0min).
The month with the least sunshine is February (Average sunshine: 5h and 6min).
Average sunshine days in April
Harbeson, DE
- Average sunshine days in April: 16.9 days
The month with the most sunshine days is November (21.2 days).
The month with the least sunshine days is July (13.3 days).
Average UV index in April
Harbeson, DE
- 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 and December (UV index 2).
Average cloud cover in April
Harbeson, DE
- Average cloud cover in April: 39
The month with the most cloud cover is March (Cloud cover 45).
The month with the least cloud cover is July (Cloud cover 26).
Average visibility in April
Harbeson, DE
- Average visibility in April: 6mi
The months with the highest visibility are January, February, March, April, May, June, July, August, September, October, November and December (6mi).
The months with the lowest visibility are January, February, March, April, May, June, July, August, September, October, November and December (6mi).
Harbeson, Delaware, USA
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