May weather forecastBallymena, United Kingdom
May
Weather in May
The last month of the spring, May, is a refreshing month in Ballymena, United Kingdom, with an average temperature ranging between max 13.1°C (55.6°F) and min 6.8°C (44.2°F).Temperature
With the start of May, Ballymena measures an average high-temperature of a refreshing 13.1°C (55.6°F), not significantly differing from April's 10.9°C (51.6°F). Ballymena experiences an average low-temperature of 6.8°C (44.2°F) in the month of May.Humidity
April and May, with an average relative humidity of 83%, are the least humid months in Ballymena.Rainfall
In Ballymena, in May, it is raining for 13.4 days, with typically 16mm (0.63") of accumulated precipitation. Throughout the year, in Ballymena, there are 138.3 rainfall days, and 223mm (8.78") of precipitation is accumulated.Snowfall
In Ballymena, snow does not fall in April through November.Daylight
In Ballymena, the average length of the day in May is 16h and 9min.On the first day of the month, sunrise is at 5:43 am and sunset at 9:00 pm. On the last day of May, sunrise is at 4:54 am and sunset at 9:51 pm BST.
Sunshine
In Ballymena, United Kingdom, the average sunshine in May is 6.4h.UV index
The months with the highest UV index are May, June and August, with an average maximum UV index of 4. A UV Index estimate of 3 to 5 represents a medium health hazard from exposure to the Sun's UV rays for the ordinary person.Note: The UV index of 4 during May translates into the following guidance:
Put precautions into practice - Guidance to elude sunburn is provided. Considering the strength of solar radiation at midday, one should avoid direct Sun exposure. Consider a wide-brim hat essential for effective sun defense covering your face, neck, and eyes.
Published by: Weather Atlas | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature in May
Ballymena, United Kingdom
- Average high temperature in May: 13.1°C
The warmest month (with the highest average high temperature) is July (16.8°C).
The month with the lowest average high temperature is January (6.1°C).
- Average low temperature in May: 6.8°C
The month with the highest average low temperature is August (10.8°C).
The coldest month (with the lowest average low temperature) is February (2.3°C).
Average pressure in May
Ballymena, United Kingdom
- Average pressure in May: 1015.4mbar
The month with the highest atmospheric pressure is May (1015.4mbar).
The month with the lowest atmospheric pressure is November (1007mbar).
Average wind speed in May
Ballymena, United Kingdom
- Average wind speed in May: 16.1km/h
The windiest month (with the highest average wind speed) is January (21.5km/h).
The calmest month (with the lowest average wind speed) is July (13.8km/h).
Average humidity in May
Ballymena, United Kingdom
- Average humidity in May: 83%
The months with the highest relative humidity are January and December (89%).
The months with the lowest relative humidity are April and May (83%).
Average rainfall in May
Ballymena, United Kingdom
- Average rainfall in May: 16mm
The wettest month (with the highest rainfall) is June (29mm).
The driest months (with the least rainfall) are January and September (11mm).
Average rainfall days in May
Ballymena, United Kingdom
- Average rainfall days in May: 13.4 days
The month with the highest number of rainy days is July (15.9 days).
The month with the least rainy days is February (8.3 days).
Average snowfall in May
Ballymena, United Kingdom
- Average snowfall in May: 0mm
The months with the highest snowfall are February and March (13mm).
The months with the least snowfall are April, May, June, July, August, September, October and November (0mm).
Average snowfall days in May
Ballymena, United Kingdom
- Average snowfall days in May: 0 days
The month with the highest number of snowfall days is January (2.3 days).
The months with the least snowfall days are May, June, July, August and September (0 days).
Average daylight in May /
Average sunshine in May
Ballymena, United Kingdom
- Average daylight in May: 16h and 12min
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 18min).
- Average sunshine in May: 6h and 24min
The month with the most sunshine is June (Average sunshine: 7h and 0min).
The month with the least sunshine is February (Average sunshine: 3h and 30min).
Average sunshine days in May
Ballymena, United Kingdom
- Average sunshine days in May: 13 days
The month with the most sunshine days is December (19 days).
The month with the least sunshine days is July (7.8 days).
Average UV index in May
Ballymena, United Kingdom
- Average UV index in May: 4
The months with the highest UV index are May, June 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
Ballymena, United Kingdom
- Average cloud cover in May: 58
The month with the most cloud cover is January (Cloud cover 65).
The month with the least cloud cover is April (Cloud cover 57).
Average visibility in May
Ballymena, United Kingdom
- Average visibility in May: 9km
The months with the highest visibility are January, February, March, April, May, June, August, September, October, November and December (9km).
The month with the lowest visibility is July (8km).
