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 sea temperature 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
April
Weather in April
Temperature
The beginning of April records an average high-temperature of a fresh 12.3°C (54.1°F), marking a negligible difference from March's 9.6°C (49.3°F). Throughout April nights, Shannon experiences a consistent temperature average of 4.3°C (39.7°F).Humidity
April is the least humid month in Shannon, Ireland, with an average relative humidity of 84%.Rainfall
In Shannon, in April, during 16.3 rainfall days, 35mm (1.38") of precipitation is typically accumulated. Throughout the year, there are 204.6 rainfall days, and 512mm (20.16") of precipitation is accumulated.Snowfall
In Shannon, snow does not fall in April through November.Sea temperature
In Shannon, the average seawater temperature in April is 10.3°C (50.5°F).Note: Unprotected swimming in 10.3°C (50.5°F) is dangerous due to potential cold shock. Especially when temperatures go below 10°C (50°F), leading to hyperventilation.
Daylight
In April, the average length of the day is 13h and 59min.On the first day of April in Shannon, sunrise is at 7:07 am and sunset at 8:10 pm. On the last day of the month, sunrise is at 6:03 am and sunset at 9:01 pm IST.
Sunshine
The average sunshine in April in Shannon is 6.5h.UV index
In Shannon, the average daily maximum UV index in April is 3. A UV Index value of 3 to 5 symbolizes a medium health hazard from unsafe exposure to UV radiation for the average person.Note: In April, a daily UV index of 3 turns into the following recommendations:
Put precautions into practice - Ensuring skin and eye safety is a necessity. Stay safe from the Sun's strongest UV rays by limiting exposure during midday. To best shield against UV radiation, choose sun-safe garments and dependable sunglasses. Be on the lookout! Nearly twofold UV radiation from the Sun can be reflected by snow.
Published by: Weather Atlas | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
What is the usual temperature for Shannon in April?
What is the least humid month in Shannon?
What is the average humidity in April in Shannon?
How much does it rain in Shannon in April?
When it does not snow in Shannon?
Does it snow in Shannon in April?
What is the sea water temperature in April in Shannon?
What is the average length of the day in April in Shannon?
When is the sunrise / sunset in April in Shannon?
How long on average sun shines in April in Shannon?
What is the UV index intensity in April in Shannon?
Average temperature in April
Shannon, Ireland
- Average high temperature in April: 12.3°C
The warmest month (with the highest average high temperature) is July (18°C).
The month with the lowest average high temperature is January (7.8°C).
- Average low temperature in April: 4.3°C
The month with the highest average low temperature is July (11.1°C).
The coldest months (with the lowest average low temperature) are February and March (2.9°C).
Average pressure in April
Shannon, Ireland
- Average pressure in April: 1014.5mbar
The month with the highest atmospheric pressure is May (1016mbar).
The month with the lowest atmospheric pressure is November (1008.3mbar).
Average wind speed in April
Shannon, Ireland
- Average wind speed in April: 15.1km/h
The windiest month (with the highest average wind speed) is February (19km/h).
The calmest month (with the lowest average wind speed) is July (13.3km/h).
Average humidity in April
Shannon, Ireland
- Average humidity in April: 84%
The months with the highest relative humidity are November and December (90%).
The month with the lowest relative humidity is April (84%).
Average rainfall in April
Shannon, Ireland
- Average rainfall in April: 35mm
The wettest month (with the highest rainfall) is December (56mm).
The driest month (with the least rainfall) is September (33mm).
Average rainfall days in April
Shannon, Ireland
- Average rainfall days in April: 16.3 days
The month with the highest number of rainy days is August (20.4 days).
The month with the least rainy days is February (14.8 days).
Average snowfall in April
Shannon, Ireland
- Average snowfall in April: 0mm
The month with the highest snowfall is December (21mm).
The months with the least snowfall are April, May, June, July, August, September, October and November (0mm).
Average snowfall days in April
Shannon, Ireland
- Average snowfall days in April: 0.1 days
The month with the highest number of snowfall days is February (0.9 days).
The months with the least snowfall days are May, June, July, August, September, October and November (0 days).
Average sea temperature in April
Shannon, Ireland
- Average sea temperature in April: 10.3°C
The best month for swimming (with the highest average sea temperature) is August (15.8°C).
The coldest month (with the lowest average sea temperature) is March (9.4°C).
Average daylight in April /
Average sunshine in April
Shannon, Ireland
- Average daylight in April: 14h and 0min
The month with the longest days is June (Average daylight: 16h and 48min).
The month with the shortest days is December (Average daylight: 7h and 42min).
- Average sunshine in April: 6h and 3min
The month with the most sunshine is June (Average sunshine: 7h and 18min).
The months with the least sunshine are January and December (Average sunshine: 4h and 0min).
Average sunshine days in April
Shannon, Ireland
- Average sunshine days in April: 9.7 days
The month with the most sunshine days is December (12.6 days).
The month with the least sunshine days is July (7.6 days).
Average UV index in April
Shannon, 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
Shannon, Ireland
- Average cloud cover in April: 56
The month with the most cloud cover is July (Cloud cover 67).
The month with the least cloud cover is April (Cloud cover 56).
Average visibility in April
Shannon, Ireland
- Average visibility in April: 9km
The months with the highest visibility are January, February, March, April, November and December (9km).
The months with the lowest visibility are May, June, July, August, September and October (8km).
