May weather forecastBallywilliam, Ireland
May
Weather in May
The last month of the spring, May, is a refreshing month in Ballywilliam, Ireland, with an average temperature fluctuating between 13.4°C (56.1°F) and 8°C (46.4°F).Temperature
May brings an average high-temperature of a mild 13.4°C (56.1°F), showing a slight difference from April's 11.2°C (52.2°F). In May, Ballywilliam experiences an average nighttime temperature of 8°C (46.4°F).Humidity
The average relative humidity in May in Ballywilliam is 85%.Rainfall
May is the month with the least rainfall. Rain falls for 12.3 days and accumulates 17mm (0.67") of precipitation.Snowfall
In Ballywilliam, snow does not fall in April through October.Daylight
The average length of the day in May is 15h and 46min.On the first day of the month, sunrise is at 5:54 am and sunset at 8:54 pm. On the last day of May, sunrise is at 5:11 am and sunset at 9:39 pm IST.
Sunshine
May has the most sunshine of the year in Ballywilliam, with an average of 7.8h of sunshine.UV index
The months with the highest UV index are May through September, with an average maximum UV index of 4. A UV Index reading of 3 to 5 represents a moderate health risk from exposure to the Sun's UV rays for average individuals.Note: The maximum UV index of 4 during May leads to these instructions:
Undertake protective steps - Preventing sun damage is advised. When the Sun is at its strongest around midday, find shade and limit exposure. Counter UV radiation's ill effects with clothing designed for sun safety and UV-resistant eyewear.
Published by: Weather Atlas | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature in May
Ballywilliam, Ireland
- Average high temperature in May: 13.4°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 (8.2°C).
- Average low temperature in May: 8°C
The month with the highest average low temperature is July (12.5°C).
The coldest month (with the lowest average low temperature) is March (4.3°C).
Average pressure in May
Ballywilliam, Ireland
- Average pressure in May: 1016.4mbar
The month with the highest atmospheric pressure is May (1016.4mbar).
The month with the lowest atmospheric pressure is November (1008.9mbar).
Average wind speed in May
Ballywilliam, Ireland
- Average wind speed in May: 17.9km/h
The windiest month (with the highest average wind speed) is December (25km/h).
The calmest months (with the lowest average wind speed) are June and July (16.4km/h).
Average humidity in May
Ballywilliam, Ireland
- Average humidity in May: 85%
The months with the highest relative humidity are July and December (87%).
The months with the lowest relative humidity are February, March and April (84%).
Average rainfall in May
Ballywilliam, Ireland
- Average rainfall in May: 17mm
The wettest month (with the highest rainfall) is November (52mm).
The driest month (with the least rainfall) is May (17mm).
Average rainfall days in May
Ballywilliam, Ireland
- Average rainfall days in May: 12.3 days
The month with the highest number of rainy days is August (15.4 days).
The month with the least rainy days is September (10.5 days).
Average snowfall in May
Ballywilliam, Ireland
- Average snowfall in May: 0mm
The month with the highest snowfall is February (4mm).
The months with the least snowfall are April, May, June, July, August, September and October (0mm).
Average snowfall days in May
Ballywilliam, Ireland
- Average snowfall days in May: 0 days
The month with the highest number of snowfall days is February (1.5 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
Ballywilliam, Ireland
- Average daylight in May: 15h and 48min
The month with the longest days is June (Average daylight: 16h and 42min).
The month with the shortest days is December (Average daylight: 7h and 48min).
- Average sunshine in May: 7h and 48min
The month with the most sunshine is May (Average sunshine: 7h and 48min).
The month with the least sunshine is January (Average sunshine: 4h and 12min).
Average sunshine days in May
Ballywilliam, Ireland
- Average sunshine days in May: 15.9 days
The month with the most sunshine days is September (16.3 days).
The month with the least sunshine days is October (11.3 days).
Average UV index in May
Ballywilliam, 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
Ballywilliam, 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 49).
Average visibility in May
Ballywilliam, Ireland
- Average visibility in May: 9km
The months with the highest visibility are January, February, March, April, September, October, November and December (10km).
The months with the lowest visibility are May, June, July and August (9km).
