| < May >
|Normal Max/ High Temperature
|Min/ Low Temperature
|Number of Wet Days (probability of rain on a day)
|Average Sunlight per day
|Average Daylight per day
|Sunny (Cloudy) Daylight Hours
|Sun altitude at solar noon on the 21st day.
- The average temperature in Belfast, Northern Ireland in May is quite mild at 10.5 °C (50.9 °F).
- Afternoons can be mild with average high temperatures reaching 15 °C (59 °F).
- Overnight temperatures are generally cool with an average low of 6 °C (42.8 °F).
- In May there is a range/ variation of mean diurnal temperatures of 9 °C (16.2 °F).
- The weather in May is slightly dry with rain once in a while. Only 52mm (2in) of fluid descends during on average 15 days.
- The skies in Belfast, Northern Ireland are reasonably fine with on average a detectable 6:19 of radiant sunlight per day.
- The shortest day is 15:10 long and the longest day is 16:50 long with an average length of 16:04.
- There are approximately 9:29 per day when bright sunshine is absent due to cloud, haze or the sun being too low on the horizon to register.
- It is sunny approximately 40% of daylight hours and cloudy 60% of daylight hours.
Check the distance to and compare the Belfast, Northern Ireland May averages with somewhere beginning with:
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Weather Trend Graph for May in Belfast, Northern Ireland, Uk
Navigate to May Weather in Locations Surrounding Belfast, Northern Ireland:
- Tiree, Uk - 209.9 kms (130.5 miles) N
- Malin Head, Ireland - 106.9 kms (66.4 miles) NW
- Ballykelly, Northern Ireland, Uk - 69.1 kms (42.9 miles) NW
- Belfast-Aldergrove, Uk - 1.6 kms (1 miles) NNW
- Belmullet, Ireland - 249.5 kms (155.1 miles) W
- Clones, Ireland - 80.9 kms (50.3 miles) SW
- Collooney, Sligo, Ireland - 153.5 kms (95.4 miles) WSW
- Claremorris, Ireland - 207.8 kms (129.1 miles) WSW
- Dublin, Ireland - 135.3 kms (84.1 miles) S
- Birr, Offaly, Ireland - 205.8 kms (127.9 miles) SSW
- Kilkenny, Ireland - 238.9 kms (148.4 miles) SSW