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
The shift into April is characterized by a rise in the average high-temperature, transitioning from March's cool 50.9°F (10.5°C) to a refreshing 63°F (17.2°C). An average low-temperature of 45.7°F (7.6°C) is anticipated throughout the nights during April.Humidity
The average relative humidity in April is 77%.Rainfall
In Harper, Indiana, during April, the rain falls for 14.4 days and regularly aggregates up to 1.89" (48mm) of precipitation. In Harper, during the entire year, the rain falls for 137.6 days and collects up to 17.99" (457mm) of precipitation.Snowfall
Months with snowfall in Harper are January through April, October through December. April is the last month it regularly snows. During 0.8 snowfall days, in April, Harper aggregates 0.16" (4mm) of snow. Throughout the year, there are 29.3 snowfall days, and 5.35" (136mm) of snow is accumulated.Daylight
The average length of the day in April in Harper is 13h and 16min.On the first day of April in Harper, sunrise is at 7:25 am and sunset at 8:06 pm. On the last day of the month, sunrise is at 6:44 am and sunset at 8:34 pm EDT.
Sunshine
The average sunshine in April is 7.3h.UV index
The average daily maximum UV index in April is 4. A UV Index reading of 3 to 5 represents a moderate health risk from unsafe exposure to UV radiation for ordinary individuals.Note: The UV index of 4 during April translates into the following guidance:
Put precautions into practice - Ensuring skin and eye safety is a necessity. When the Sun's UV radiation is most intense during midday, it's best to find shade and limit exposure. For excellent sun protection for the eyes, ears, face, and neck, consider a wide-brim hat. Be prepared! The intensity of the Sun's UV radiation can be amplified nearly double due to snow reflection.
Frequently asked questions
What are April temperatures in Harper?
What is the average humidity in April in Harper?
How many days does it rain in April in Harper?
What is the last month it snows in Harper?
What is the average length of the day in April in Harper?
When are sunrise and sunset in April in Harper?
How many hours of sunshine does Harper have in April?
What is the UV index reading in April in Harper?
Average temperature in April
Harper, IN
- Average high temperature in April: 63°F
The warmest month (with the highest average high temperature) is July (83.1°F).
The month with the lowest average high temperature is January (34.9°F).
- Average low temperature in April: 45.7°F
The month with the highest average low temperature is July (65.3°F).
The coldest month (with the lowest average low temperature) is January (22.8°F).
Average pressure in April
Harper, IN
- Average pressure in April: 29.96"Hg
The months with the highest atmospheric pressure are January and November (30.14"Hg).
The month with the lowest atmospheric pressure is June (29.93"Hg).
Average wind speed in April
Harper, IN
- Average wind speed in April: 9mph
The windiest months (with the highest average wind speed) are January and February (9.1mph).
The calmest months (with the lowest average wind speed) are July and August (5.4mph).
Average humidity in April
Harper, IN
- Average humidity in April: 77%
The month with the highest relative humidity is December (82%).
The month with the lowest relative humidity is October (74%).
Average rainfall in April
Harper, IN
- Average rainfall in April: 1.89"
The wettest month (with the highest rainfall) is May (2.01").
The driest month (with the least rainfall) is September (0.98").
Average rainfall days in April
Harper, IN
- Average rainfall days in April: 14.4 days
The month with the highest number of rainy days is May (15.4 days).
The month with the least rainy days is February (7.9 days).
Average snowfall in April
Harper, IN
- Average snowfall in April: 0.16"
The month with the highest snowfall is March (1.46").
The months with the least snowfall are May, June, July, August and September (0").
Average snowfall days in April
Harper, IN
- Average snowfall days in April: 0.8 days
The month with the highest number of snowfall days is February (7.3 days).
The months with the least snowfall days are May, June, July, August and September (0 days).
Average daylight in April /
Average sunshine in April
Harper, IN
- 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: 7h and 2min
The month with the most sunshine is July (Average sunshine: 10h and 18min).
The month with the least sunshine is January (Average sunshine: 4h and 0min).
Average sunshine days in April
Harper, IN
- Average sunshine days in April: 13.8 days
The month with the most sunshine days is November (19.5 days).
The month with the least sunshine days is July (12.4 days).
Average UV index in April
Harper, IN
- Average UV index in April: 4
The months with the highest UV index are June, July and August (UV index 6).
The month with the lowest UV index is December (UV index 1).
Average cloud cover in April
Harper, IN
- Average cloud cover in April: 44
The month with the most cloud cover is January (Cloud cover 59).
The month with the least cloud cover is August (Cloud cover 30).
Average visibility in April
Harper, IN
- Average visibility in April: 6mi
The months with the highest visibility are January, February, March, April, May, June, August, September, October, November and December (6mi).
The month with the lowest visibility is July (5mi).
Harper, Indiana, USA
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