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 from March to April brings an increase in the average high-temperature, moving from a cool 50.4°F (10.2°C) to a refreshing 61.9°F (16.6°C). An average nighttime temperature of 45.3°F (7.4°C) is witnessed in Greencastle throughout April.Humidity
In April, the average relative humidity in Greencastle is 78%.Rainfall
In Greencastle, during April, the rain falls for 13.1 days and regularly aggregates up to 1.42" (36mm) of precipitation. Throughout the year, there are 118.9 rainfall days, and 12.13" (308mm) of precipitation is accumulated.Snowfall
January through April, November and December are months with snowfall. April is the last month it regularly snows in Greencastle. During 0.7 snowfall days, in April, Greencastle aggregates 0.04" (1mm) of snow. In Greencastle, during the entire year, snow falls for 22.2 days and aggregates up to 3.82" (97mm) of snow.Daylight
In Greencastle, the average length of the day in April is 13h and 17min.On the first day of April in Greencastle, sunrise is at 7:30 am and sunset at 8:11 pm. On the last day of the month, sunrise is at 6:48 am and sunset at 8:40 pm EDT.
Sunshine
In Greencastle, the average sunshine in April is 7.1h.UV index
The average daily maximum UV index in April in Greencastle is 4. A UV Index value of 3 to 5 symbolizes a moderate health risk from exposure to the Sun's UV rays for the ordinary person.Note: In April, the average maximum UV index of 4 translates into the following recommendations:
Undertake precautions - Guarding against sun damage is counselled. Considering the strength of solar radiation at midday, one should avoid direct Sun exposure. Select sunglasses that boast both UVA and UVB protection to limit the adverse effects of the sun on the eyes. Be cautious! The UV radiation from the Sun can be magnified almost twofold by snow reflection.
Frequently asked questions
What is the usual temperature for Greencastle in April?
What is the average humidity in April in Greencastle?
How many days does it rain in April in Greencastle?
What is the last month it snows in Greencastle?
What is the average length of the day in April in Greencastle?
What time are sunrise and sunset in April in Greencastle?
How many hours of sunshine does Greencastle have in April?
What is the UV index reading in April in Greencastle?
Average temperature in April
Greencastle, IN
- Average high temperature in April: 61.9°F
The warmest month (with the highest average high temperature) is July (81.7°F).
The month with the lowest average high temperature is January (33.6°F).
- Average low temperature in April: 45.3°F
The month with the highest average low temperature is July (65.1°F).
The coldest month (with the lowest average low temperature) is January (20.8°F).
Average pressure in April
Greencastle, IN
- Average pressure in April: 29.95"Hg
The month with the highest atmospheric pressure is January (30.14"Hg).
The month with the lowest atmospheric pressure is June (29.93"Hg).
Average wind speed in April
Greencastle, IN
- Average wind speed in April: 9.8mph
The windiest months (with the highest average wind speed) are January and February (9.9mph).
The calmest months (with the lowest average wind speed) are July and August (5.9mph).
Average humidity in April
Greencastle, IN
- Average humidity in April: 78%
The month with the highest relative humidity is July (84%).
The month with the lowest relative humidity is October (74%).
Average rainfall in April
Greencastle, IN
- Average rainfall in April: 1.42"
The wettest month (with the highest rainfall) is May (1.5").
The driest month (with the least rainfall) is September (0.67").
Average rainfall days in April
Greencastle, IN
- Average rainfall days in April: 13.1 days
The month with the highest number of rainy days is May (15.8 days).
The month with the least rainy days is February (6.4 days).
Average snowfall in April
Greencastle, IN
- Average snowfall in April: 0.04"
The month with the highest snowfall is December (1.22").
The months with the least snowfall are May, June, July, August, September and October (0").
Average snowfall days in April
Greencastle, IN
- Average snowfall days in April: 0.7 days
The month with the highest number of snowfall days is January (5.8 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
Greencastle, 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 24min).
- Average sunshine in April: 7h and 1min
The month with the most sunshine is June (Average sunshine: 10h and 12min).
The month with the least sunshine is January (Average sunshine: 4h and 12min).
Average sunshine days in April
Greencastle, IN
- Average sunshine days in April: 15.4 days
The month with the most sunshine days is December (21 days).
The month with the least sunshine days is May (12.1 days).
Average UV index in April
Greencastle, IN
- Average UV index in April: 4
The months with the highest UV index are June, July and August (UV index 6).
The months with the lowest UV index are January, February, October, November and December (UV index 2).
Average cloud cover in April
Greencastle, IN
- Average cloud cover in April: 45
The month with the most cloud cover is January (Cloud cover 58).
The month with the least cloud cover is August (Cloud cover 31).
Average visibility in April
Greencastle, IN
- Average visibility in April: 6mi
The months with the highest visibility are January, February, March, April, May, June, September, October, November and December (6mi).
The months with the lowest visibility are July and August (5mi).
Greencastle, Indiana, USA
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