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
April registers an average high-temperature of a cool 11°C (51.8°F), slightly varied from March's 8.6°C (47.5°F). Greencastle in April experiences a low-temperature average of 4.3°C (39.7°F).Humidity
The least humid month is April, with an average relative humidity of 82%.Rainfall
In Greencastle, during April, the rain falls for 15.7 days and regularly aggregates up to 31mm (1.22") of precipitation. In Greencastle, during the entire year, the rain falls for 216.1 days and collects up to 529mm (20.83") of precipitation.Snowfall
In Greencastle, Ireland, snow does not fall in April through October.Daylight
The average length of the day in April in Greencastle is 14h and 10min.On the first day of the month, sunrise is at 6:57 am and sunset at 8:05 pm. On the last day of April, sunrise is at 5:47 am and sunset at 9:02 pm IST.
Sunshine
In Greencastle, Ireland, the average sunshine in April is 6.3h.UV index
In Greencastle, the average daily maximum UV index in April is 3. A UV Index estimate of 3 to 5 represents a medium vulnerability from exposure to the Sun's UV radiation for the ordinary person.Note: An average UV index of 3 in April transforms into this advice:
Exercise prudence. Persons with fair skin could be burned in under 30 minutes. The solar radiation around mid-day is intense; avoid the Sun and stay safe. On days when the sun blazes, arm yourself with sunglasses that block UVA and UVB radiation.
Frequently asked questions
What is the average April temperature in Greencastle?
What is the least humid month in Greencastle?
What is the average humidity in April in Greencastle?
How many days does it rain in April in Greencastle?
When it does not snow in Greencastle?
Does it snow in Greencastle in April?
How many hours of daylight does Greencastle have in April?
When are sunrise and sunset in April in Greencastle?
How many hours of sunshine does Greencastle have in April?
How high is the UV index in April in Greencastle?
Average temperature in April
Greencastle, Ireland
- Average high temperature in April: 11°C
The warmest month (with the highest average high temperature) is July (16.5°C).
The month with the lowest average high temperature is January (6.3°C).
- Average low temperature in April: 4.3°C
The month with the highest average low temperature is August (10.4°C).
The coldest month (with the lowest average low temperature) is February (2.3°C).
Average pressure in April
Greencastle, Ireland
- Average pressure in April: 1014.2mbar
The month with the highest atmospheric pressure is May (1015.2mbar).
The month with the lowest atmospheric pressure is November (1006.6mbar).
Average wind speed in April
Greencastle, Ireland
- Average wind speed in April: 16.9km/h
The windiest month (with the highest average wind speed) is January (21.9km/h).
The calmest month (with the lowest average wind speed) is July (13.8km/h).
Average humidity in April
Greencastle, Ireland
- Average humidity in April: 82%
The months with the highest relative humidity are January, August and December (88%).
The month with the lowest relative humidity is April (82%).
Average rainfall in April
Greencastle, Ireland
- Average rainfall in April: 31mm
The wettest month (with the highest rainfall) is August (60mm).
The driest month (with the least rainfall) is September (29mm).
Average rainfall days in April
Greencastle, Ireland
- Average rainfall days in April: 15.7 days
The month with the highest number of rainy days is August (21.5 days).
The month with the least rainy days is April (15.7 days).
Average snowfall in April
Greencastle, Ireland
- Average snowfall in April: 0mm
The months with the highest snowfall are January and February (21mm).
The months with the least snowfall are April, May, June, July, August, September and October (0mm).
Average snowfall days in April
Greencastle, Ireland
- Average snowfall days in April: 0 days
The month with the highest number of snowfall days is February (2.7 days).
The months with the least snowfall days are April, May, June, July, August, September and October (0 days).
Average daylight in April /
Average sunshine in April
Greencastle, Ireland
- Average daylight in April: 14h and 1min
The month with the longest days is June (Average daylight: 17h and 18min).
The month with the shortest days is December (Average daylight: 7h and 12min).
- Average sunshine in April: 6h and 2min
The month with the most sunshine is June (Average sunshine: 6h and 42min).
The month with the least sunshine is January (Average sunshine: 3h and 24min).
Average sunshine days in April
Greencastle, Ireland
- Average sunshine days in April: 11.1 days
The month with the most sunshine days is April (11.1 days).
The month with the least sunshine days is August (6.3 days).
Average UV index in April
Greencastle, Ireland
- Average UV index in April: 3
The months with the highest UV index are May and June (UV index 4).
The months with the lowest UV index are January, February, March, November and December (UV index 2).
Average cloud cover in April
Greencastle, Ireland
- Average cloud cover in April: 58
The month with the most cloud cover is July (Cloud cover 68).
The month with the least cloud cover is April (Cloud cover 58).
Average visibility in April
Greencastle, Ireland
- Average visibility in April: 9km
The months with the highest visibility are January, February, March, April, May, June, August, September, October, November and December (9km).
The month with the lowest visibility is July (8km).
Greencastle, Ireland
Weather forecast for your location
2. Allow the app to use your location
