May weather forecastRaheny, Ireland
May
Weather in May
May, the last month of the spring in Raheny, is a moderate month, with an average temperature fluctuating between 7.8°C (46°F) and 13.2°C (55.8°F).Temperature
Raheny registers an average high-temperature of a moderate 13.2°C (55.8°F) at the commencement of May, closely related to the preceding month. The average temperature drops to a chilly 7.8°C (46°F) during the night in the month of May.Humidity
March through May, with an average relative humidity of 83%, are the least humid months.Rainfall
May is the month with the least rainfall. Rain falls for 13.3 days and accumulates 19mm (0.75") of precipitation.Snowfall
In Raheny, snow does not fall in April through October.Daylight
In Raheny, the average length of the day in May is 15h and 55min.On the first day of May in Raheny, sunrise is at 5:48 am and sunset at 8:54 pm. On the last day of the month, sunrise is at 5:03 am and sunset at 9:41 pm IST.
Sunshine
April through June, with an average of 7.5h of sunshine, are months with the most sunshine.UV index
May through September, with an average maximum UV index of 4, are months with the highest UV index. A UV Index reading of 3 to 5 represents a medium vulnerability from unsafe exposure to UV radiation for average individuals.Note: In May, the average maximum UV index of 4 translates into the following recommendations:
Take heed. Individuals of lighter complexion can be burned in less than half an hour. The midday Sun can be dangerous due to its intense radiation; always find shade and reduce exposure. Fend off the sun's harsh rays with appropriate clothing, a wide-brim hat, and UV-protective sunglasses.
Published by: Weather Atlas | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature in May
Raheny, Ireland
- Average high temperature in May: 13.2°C
The warmest month (with the highest average high temperature) is July (17.4°C).
The month with the lowest average high temperature is January (7.6°C).
- Average low temperature in May: 7.8°C
The months with the highest average low temperature are July and August (12.1°C).
The coldest months (with the lowest average low temperature) are February and March (3.9°C).
Average pressure in May
Raheny, Ireland
- Average pressure in May: 1016mbar
The month with the highest atmospheric pressure is May (1016mbar).
The month with the lowest atmospheric pressure is November (1008.2mbar).
Average wind speed in May
Raheny, Ireland
- Average wind speed in May: 17.4km/h
The windiest month (with the highest average wind speed) is January (24.2km/h).
The calmest month (with the lowest average wind speed) is June (15.2km/h).
Average humidity in May
Raheny, Ireland
- Average humidity in May: 83%
The months with the highest relative humidity are July and December (86%).
The months with the lowest relative humidity are March, April and May (83%).
Average rainfall in May
Raheny, Ireland
- Average rainfall in May: 19mm
The wettest month (with the highest rainfall) is November (51mm).
The driest month (with the least rainfall) is May (19mm).
Average rainfall days in May
Raheny, Ireland
- Average rainfall days in May: 13.3 days
The month with the highest number of rainy days is July (17.1 days).
The month with the least rainy days is February (10.7 days).
Average snowfall in May
Raheny, Ireland
- Average snowfall in May: 0mm
The month with the highest snowfall is December (12mm).
The months with the least snowfall are April, May, June, July, August, September and October (0mm).
Average snowfall days in May
Raheny, Ireland
- Average snowfall days in May: 0 days
The month with the highest number of snowfall days is February (2.1 days).
The months with the least snowfall days are May, June, July, August, September and October (0 days).
Average daylight in May /
Average sunshine in May
Raheny, Ireland
- Average daylight in May: 15h and 54min
The month with the longest days is June (Average daylight: 16h and 54min).
The month with the shortest days is December (Average daylight: 7h and 36min).
- Average sunshine in May: 7h and 30min
The months with the most sunshine are April, May and June (Average sunshine: 7h and 30min).
The months with the least sunshine are January, February and November (Average sunshine: 4h and 18min).
Average sunshine days in May
Raheny, Ireland
- Average sunshine days in May: 14.9 days
The months with the most sunshine days are January and December (16.8 days).
The month with the least sunshine days is July (11 days).
Average UV index in May
Raheny, Ireland
- Average UV index in May: 4
The months with the highest UV index are May, June, July, August and September (UV index 4).
The months with the lowest UV index are January, February, November and December (UV index 2).
Average cloud cover in May
Raheny, Ireland
- Average cloud cover in May: 51
The months with the most cloud cover are January and February (Cloud cover 57).
The months with the least cloud cover are April and September (Cloud cover 50).
Average visibility in May
Raheny, Ireland
- Average visibility in May: 9km
The months with the highest visibility are January, February, March, October, November and December (10km).
The months with the lowest visibility are April, May, June, July, August and September (9km).





