May weather forecastGlengormley, United Kingdom
May weather for Glengormley, United Kingdom: The month with the least rainfall in Glengormley, United Kingdom, is May, when the rain falls for 17.8 days and typically collects 38mm (1.5") of precipitation. The last month of the spring, May, is a mild month in Glengormley, United Kingdom, with an average temperature fluctuating between 13.3°C (55.9°F) and 7.1°C (44.8°F).
May
Weather in May
The last month of the spring, May, is a mild month in Glengormley, United Kingdom, with an average temperature fluctuating between 13.3°C (55.9°F) and 7.1°C (44.8°F).Temperature
The arrival of May denotes a barely perceptible change in the average high-temperatures to a moderate 13.3°C (55.9°F) from April's 10.8°C (51.4°F). Glengormley experiences an average nighttime temperature of 7.1°C (44.8°F) in the month of May.Humidity
The months with the lowest humidity in Glengormley are April and May, with an average relative humidity of 83%.Rainfall
May is the month with the least rainfall in Glengormley. Rain falls for 17.8 days and accumulates 38mm (1.5") of precipitation.Snowfall
In Glengormley, United Kingdom, snow does not fall in April through October.Daylight
The average length of the day in May in Glengormley is 16h and 7min.On the first day of the month, sunrise is at 5:43 am and sunset at 8:58 pm. On the last day of May, sunrise is at 4:54 am and sunset at 9:48 pm BST.
Sunshine
In May, the average sunshine in Glengormley is 6.7h.UV index
May through August, with an average maximum UV index of 4, are months with the highest UV index. A UV Index estimate of 3 to 5 represents a medium health hazard from exposure to the Sun's UV radiation for the average person.Note: In May, a daily maximum UV index of 4 leads to the following instructions:
Preventative actions are necessary - The mandate to avoid skin and eye damage is in place. The Sun's radiation is especially intense around midday; try to stay in shade during this period. Employ a hat with a wide brim for robust protection, cutting UV exposure by half.
Published by: Weather Atlas | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature in May
Glengormley, United Kingdom
- Average high temperature in May: 13.3°C
The warmest month (with the highest average high temperature) is July (16.9°C).
The month with the lowest average high temperature is January (6.8°C).
- Average low temperature in May: 7.1°C
The month with the highest average low temperature is August (11.3°C).
The coldest month (with the lowest average low temperature) is February (2.8°C).
Average pressure in May
Glengormley, United Kingdom
- Average pressure in May: 1015.6mbar
The month with the highest atmospheric pressure is May (1015.6mbar).
The month with the lowest atmospheric pressure is November (1007.3mbar).
Average wind speed in May
Glengormley, United Kingdom
- Average wind speed in May: 15.8km/h
The windiest month (with the highest average wind speed) is January (21.3km/h).
The calmest months (with the lowest average wind speed) are June and July (13.7km/h).
Average humidity in May
Glengormley, United Kingdom
- Average humidity in May: 83%
The months with the highest relative humidity are January and December (88%).
The months with the lowest relative humidity are April and May (83%).
Average rainfall in May
Glengormley, United Kingdom
- Average rainfall in May: 38mm
The wettest month (with the highest rainfall) is August (72mm).
The driest month (with the least rainfall) is May (38mm).
Average rainfall days in May
Glengormley, United Kingdom
- Average rainfall days in May: 17.8 days
The month with the highest number of rainy days is August (23 days).
The month with the least rainy days is April (16.1 days).
Average snowfall in May
Glengormley, United Kingdom
- Average snowfall in May: 0mm
The month with the highest snowfall is February (25mm).
The months with the least snowfall are April, May, June, July, August, September and October (0mm).
Average snowfall days in May
Glengormley, United Kingdom
- Average snowfall days in May: 0 days
The month with the highest number of snowfall days is February (2.8 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
Glengormley, United Kingdom
- Average daylight in May: 16h and 6min
The month with the longest days is June (Average daylight: 17h and 12min).
The month with the shortest days is December (Average daylight: 7h and 24min).
- Average sunshine in May: 6h and 42min
The month with the most sunshine is June (Average sunshine: 7h and 18min).
The month with the least sunshine is February (Average sunshine: 3h and 30min).
Average sunshine days in May
Glengormley, United Kingdom
- Average sunshine days in May: 10.7 days
The month with the most sunshine days is April (11.5 days).
The month with the least sunshine days is August (5.6 days).
Average UV index in May
Glengormley, United Kingdom
- Average UV index in May: 4
The months with the highest UV index are May, June, July and August (UV index 4).
The months with the lowest UV index are January, February, March, November and December (UV index 2).
Average cloud cover in May
Glengormley, United Kingdom
- Average cloud cover in May: 56
The months with the most cloud cover are January and February (Cloud cover 63).
The month with the least cloud cover is April (Cloud cover 55).
Average visibility in May
Glengormley, United Kingdom
- Average visibility in May: 9km
The months with the highest visibility are January, February, March, April, May, June, July, August, September, October, November and December (9km).
The months with the lowest visibility are January, February, March, April, May, June, July, August, September, October, November and December (9km).





