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 March transitions into April, a change in temperatures is observed, with average highs moving from a cool 50.2°F (10.1°C) to a refreshing 62.2°F (16.8°C). In Hartly, an average nighttime temperature of 46.4°F (8°C) is expected during April.Humidity
April is the least humid month, with an average relative humidity of 73%.Rainfall
In Hartly, in April, it is raining for 15.3 days, with typically 2.64" (67mm) of accumulated precipitation. Throughout the year, in Hartly, Delaware, there are 169.2 rainfall days, and 34.96" (888mm) of precipitation is accumulated.Snowfall
Months with snowfall in Hartly are January through April, November and December. April is the last month it regularly snows. During 0.2 snowfall days, in April, Hartly aggregates 0.12" (3mm) of snow. In Hartly, during the entire year, snow falls for 14.4 days and aggregates up to 7.44" (189mm) of snow.Daylight
The average length of the day in April in Hartly, Delaware, is 13h and 16min.On the first day of the month, sunrise is at 6:45 am and sunset at 7:27 pm. On the last day of April, in Hartly, Delaware, sunrise is at 6:04 am and sunset at 7:55 pm EDT.
Sunshine
In Hartly, the average sunshine in April is 8.8h.UV index
In Hartly, the average daily maximum UV index in April is 4. A UV Index estimate of 3 to 5 represents a medium vulnerability from exposure to the Sun's UV radiation for average individuals.Note: The daily maximum UV index of 4 in April interprets into the following advice:
Take care. Persons with lighter skin might suffer burns in less than 30 minutes. Being in direct Sun during midday can be harmful due to intense solar radiation; take precautions. On sunny days, it's ideal to wear sunglasses that filter out UVA and UVB rays. Take note! UV radiation from the Sun can double in intensity due to snow reflection.
Frequently asked questions
What are April temperatures in Hartly?
What is the least humid month in Hartly?
What is the average humidity in April in Hartly?
How many days does it rain in April in Hartly?
What is the last month it snows in Hartly?
How many hours of daylight does Hartly have in April?
What time are sunrise and sunset in April in Hartly?
How many hours of sunshine does Hartly have in April?
What is the UV index reading in April in Hartly?
Average temperature in April
Hartly, DE
- Average high temperature in April: 62.2°F
The warmest month (with the highest average high temperature) is July (84.4°F).
The month with the lowest average high temperature is January (39.2°F).
- Average low temperature in April: 46.4°F
The month with the highest average low temperature is July (69.3°F).
The coldest month (with the lowest average low temperature) is January (27.9°F).
Average pressure in April
Hartly, DE
- Average pressure in April: 29.99"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
Hartly, DE
- Average wind speed in April: 9.4mph
The windiest months (with the highest average wind speed) are February and March (9.5mph).
The calmest month (with the lowest average wind speed) is August (6mph).
Average humidity in April
Hartly, DE
- Average humidity in April: 73%
The month with the highest relative humidity is May (79%).
The month with the lowest relative humidity is April (73%).
Average rainfall in April
Hartly, DE
- Average rainfall in April: 2.64"
The wettest month (with the highest rainfall) is August (3.86").
The driest month (with the least rainfall) is January (2.13").
Average rainfall days in April
Hartly, DE
- Average rainfall days in April: 15.3 days
The month with the highest number of rainy days is July (19 days).
The month with the least rainy days is November (9.3 days).
Average snowfall in April
Hartly, DE
- Average snowfall in April: 0.12"
The month with the highest snowfall is March (2.6").
The months with the least snowfall are May, June, July, August, September and October (0").
Average snowfall days in April
Hartly, DE
- Average snowfall days in April: 0.2 days
The month with the highest number of snowfall days is January (4.5 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
Hartly, DE
- 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 month with the least sunshine is February (Average sunshine: 5h and 6min).
Average sunshine days in April
Hartly, DE
- Average sunshine days in April: 12.6 days
The month with the most sunshine days is November (19.5 days).
The month with the least sunshine days is July (9.5 days).
Average UV index in April
Hartly, 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
Hartly, DE
- Average cloud cover in April: 41
The months with the most cloud cover are February and March (Cloud cover 45).
The month with the least cloud cover is July (Cloud cover 29).
Average visibility in April
Hartly, 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).
Hartly, Delaware, USA
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