May weather forecastDouglas, Ireland
May
Weather in May
May, the last month of the spring in Douglas, is a refreshing month, with temperature in the range of an average low of 7.5°C (45.5°F) and an average high of 13.6°C (56.5°F).Temperature
At the onset of May, Douglas records an average high-temperature of a mild 13.6°C (56.5°F), showing little deviation from the preceding month. Throughout May, the average low-temperature records at a chilly 7.5°C (45.5°F).Humidity
In Douglas, the average relative humidity in May is 85%.Rainfall
In Douglas, in May, it is raining for 17.3 days, with typically 37mm (1.46") of accumulated precipitation. Throughout the year, there are 198 rainfall days, and 586mm (23.07") of precipitation is accumulated.Snowfall
April through October are months without snowfall.Daylight
In May, the average length of the day is 15h and 41min.On the first day of May, sunrise is at 6:02 am and sunset at 8:58 pm. On the last day of the month, sunrise is at 5:20 am and sunset at 9:42 pm IST.
Sunshine
The average sunshine in May in Douglas is 7.1h.UV index
In May, the average daily maximum UV index is 3. A UV Index reading of 3 to 5 represents a medium vulnerability from exposure to the Sun's UV rays for the average person.Note: The maximum UV index, 3 during May, leads to the following recommendations:
Exercise prevention - Warding off sunburn is urged. The solar radiation around mid-day is intense; avoid the Sun and stay safe. Sunglasses providing both UVA and UVB protection are non-negotiable on sunlit days.
Published by: Weather Atlas | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature in May
Douglas, Ireland
- Average high temperature in May: 13.6°C
The warmest month (with the highest average high temperature) is July (17.8°C).
The month with the lowest average high temperature is January (8.3°C).
- Average low temperature in May: 7.5°C
The month with the highest average low temperature is July (12.1°C).
The coldest month (with the lowest average low temperature) is February (3.9°C).
Average pressure in May
Douglas, 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 (1009mbar).
Average wind speed in May
Douglas, Ireland
- Average wind speed in May: 17.5km/h
The windiest month (with the highest average wind speed) is December (23.5km/h).
The calmest months (with the lowest average wind speed) are June and July (16.1km/h).
Average humidity in May
Douglas, Ireland
- Average humidity in May: 85%
The months with the highest relative humidity are October and December (87%).
The months with the lowest relative humidity are February, March and April (84%).
Average rainfall in May
Douglas, Ireland
- Average rainfall in May: 37mm
The wettest month (with the highest rainfall) is December (66mm).
The driest month (with the least rainfall) is March (33mm).
Average rainfall days in May
Douglas, Ireland
- Average rainfall days in May: 17.3 days
The month with the highest number of rainy days is July (21.3 days).
The month with the least rainy days is February (13.5 days).
Average snowfall in May
Douglas, Ireland
- Average snowfall in May: 0mm
The month with the highest snowfall is March (6mm).
The months with the least snowfall are April, May, June, July, August, September and October (0mm).
Average snowfall days in May
Douglas, Ireland
- Average snowfall days in May: 0 days
The month with the highest number of snowfall days is February (1.2 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
Douglas, Ireland
- Average daylight in May: 15h and 42min
The month with the longest days is June (Average daylight: 16h and 36min).
The month with the shortest days is December (Average daylight: 7h and 54min).
- Average sunshine in May: 7h and 6min
The month with the most sunshine is June (Average sunshine: 7h and 24min).
The month with the least sunshine is January (Average sunshine: 4h and 6min).
Average sunshine days in May
Douglas, Ireland
- Average sunshine days in May: 10.8 days
The month with the most sunshine days is March (14.3 days).
The month with the least sunshine days is August (5.8 days).
Average UV index in May
Douglas, Ireland
- Average UV index in May: 3
The months with the highest UV index are June, July and August (UV index 4).
The months with the lowest UV index are January, February, November and December (UV index 2).
Average cloud cover in May
Douglas, Ireland
- Average cloud cover in May: 55
The month with the most cloud cover is January (Cloud cover 60).
The month with the least cloud cover is April (Cloud cover 52).
Average visibility in May
Douglas, Ireland
- Average visibility in May: 9km
The months with the highest visibility are February and March (10km).
The months with the lowest visibility are January, April, May, June, July, August, September, October, November and December (9km).





