May weather forecastGlencullen, Ireland
May
Weather in May
May, the last month of the spring in Glencullen, is also a fresh month, with temperature in the range of an average low of 8.3°C (46.9°F) and an average high of 12.6°C (54.7°F).Temperature
As Glencullen welcomes May, the average high-temperature is noted at a still fresh 12.6°C (54.7°F), closely aligning with the preceding month. Throughout May, a minimal difference from peak daytime temperatures is noted, marking a steady low-temperature average of 8.3°C (46.9°F).Humidity
In Glencullen, the average relative humidity in May is 83%.Rainfall
The month with the least rainfall is May, when the rain falls for 16.1 days and typically collects 27mm (1.06") of precipitation.Snowfall
April through October are months without snowfall.Daylight
The average length of the day in May is 15h and 53min.On the first day of the month, sunrise is at 5:49 am and sunset at 8:54 pm. On the last day of May, in Glencullen, Ireland, sunrise is at 5:04 am and sunset at 9:41 pm IST.
Sunshine
With an average of 8h of sunshine, May has the most sunshine of the year.UV index
May through September, with an average maximum UV index of 4, are months with the highest UV index. A UV Index value of 3 to 5 symbolizes a moderate health risk from exposure to the Sun's UV radiation for the average person.Note: A maximum high daily UV index of 4 during May translates into the following directions:
Make use of precautions - Shielding skin and eyes from injury is a requirement. The Sun's radiation is especially intense around midday; try to stay in shade during this period. A wide-brimmed hat is a staple for defending the face, eyes, ears, and neck from the Sun.
Published by: Weather Atlas | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature in May
Glencullen, Ireland
- Average high temperature in May: 12.6°C
The warmest months (with the highest average high temperature) are July and August (16.9°C).
The months with the lowest average high temperature are January and February (7.8°C).
- Average low temperature in May: 8.3°C
The month with the highest average low temperature is August (12.7°C).
The coldest month (with the lowest average low temperature) is February (4.4°C).
Average pressure in May
Glencullen, 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 (1008.3mbar).
Average wind speed in May
Glencullen, Ireland
- Average wind speed in May: 18.1km/h
The windiest month (with the highest average wind speed) is December (25.9km/h).
The calmest month (with the lowest average wind speed) is July (15.9km/h).
Average humidity in May
Glencullen, Ireland
- Average humidity in May: 83%
The month with the highest relative humidity is July (86%).
The month with the lowest relative humidity is March (82%).
Average rainfall in May
Glencullen, Ireland
- Average rainfall in May: 27mm
The wettest month (with the highest rainfall) is November (71mm).
The driest month (with the least rainfall) is May (27mm).
Average rainfall days in May
Glencullen, Ireland
- Average rainfall days in May: 16.1 days
The month with the highest number of rainy days is July (20.4 days).
The months with the least rainy days are March and September (14.9 days).
Average snowfall in May
Glencullen, Ireland
- Average snowfall in May: 0mm
The month with the highest snowfall is December (9mm).
The months with the least snowfall are April, May, June, July, August, September and October (0mm).
Average snowfall days in May
Glencullen, Ireland
- Average snowfall days in May: 0 days
The months with the highest number of snowfall days are January and February (1.3 days).
The months with the least snowfall days are April, May, June, July, August, September and October (0 days).
Average daylight in May /
Average sunshine in May
Glencullen, 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: 8h and 0min
The month with the most sunshine is May (Average sunshine: 8h and 0min).
The month with the least sunshine is November (Average sunshine: 4h and 18min).
Average sunshine days in May
Glencullen, Ireland
- Average sunshine days in May: 11 days
The month with the most sunshine days is April (11.7 days).
The month with the least sunshine days is July (7.2 days).
Average UV index in May
Glencullen, 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
Glencullen, Ireland
- Average cloud cover in May: 49
The months with the most cloud cover are February and November (Cloud cover 56).
The month with the least cloud cover is September (Cloud cover 48).
Average visibility in May
Glencullen, Ireland
- Average visibility in May: 9km
The months with the highest visibility are January, March, October and November (10km).
The months with the lowest visibility are February, April, May, June, July, August, September and December (9km).
