May weather forecastKillilan, United Kingdom
May
Weather in May
The last month of the spring, May, is a fresh month in Killilan, United Kingdom, with an average temperature varying between 11.5°C (52.7°F) and 4.9°C (40.8°F).Temperature
Killilan, United Kingdom, observes an average high-temperature of a cool 11.5°C (52.7°F) in May, barely different from 9°C (48.2°F) in April. An average low-temperature of 4.9°C (40.8°F) is noted during the month of May.Humidity
The months with the lowest humidity in Killilan, United Kingdom, are April and May, with an average relative humidity of 83%.Rainfall
In Killilan, during May, the rain falls for 20.9 days and regularly aggregates up to 82mm (3.23") of precipitation. Throughout the year, in Killilan, there are 257.7 rainfall days, and 1158mm (45.59") of precipitation is accumulated.Snowfall
Months with snowfall are January through May, October through December. May is the last month it regularly snows. During 0.3 snowfall days, in May, Killilan aggregates 2mm (0.08") of snow. In Killilan, during the entire year, snow falls for 24.3 days and aggregates up to 360mm (14.17") of snow.Daylight
In Killilan, the average length of the day in May is 16h and 36min.On the first day of May in Killilan, sunrise is at 5:30 am and sunset at 9:07 pm. On the last day of the month, sunrise is at 4:34 am and sunset at 10:04 pm BST.
Sunshine
April through June, with an average of 4.9h of sunshine, are months with the most sunshine in Killilan.UV index
The months with the highest UV index in Killilan, United Kingdom, are May through September, with an average maximum UV index of 3. A UV Index value of 3 to 5 symbolizes a moderate threat to health from unprotected exposure to Sun's UV rays for the average person.Note: The maximum UV index of 3 during May translates into these guidelines:
Exercise caution. Those with pale skin may experience burns in less than half an hour. UV radiation is strongest from the Sun during midday; protect yourself by staying in shaded areas. Select sunglasses that boast both UVA and UVB protection to limit the adverse effects of the sun on the eyes. Be watchful! The reflection of snow can enhance the intensity of the Sun's UV radiation nearly double.
Published by: Weather Atlas | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature in May
Killilan, United Kingdom
- Average high temperature in May: 11.5°C
The warmest month (with the highest average high temperature) is July (14.8°C).
The month with the lowest average high temperature is January (3.5°C).
- Average low temperature in May: 4.9°C
The months with the highest average low temperature are July and August (8.8°C).
The coldest month (with the lowest average low temperature) is February (0.3°C).
Average pressure in May
Killilan, United Kingdom
- Average pressure in May: 1014.5mbar
The month with the highest atmospheric pressure is May (1014.5mbar).
The months with the lowest atmospheric pressure are November and December (1005.4mbar).
Average wind speed in May
Killilan, United Kingdom
- Average wind speed in May: 13.6km/h
The windiest month (with the highest average wind speed) is January (18.6km/h).
The calmest month (with the lowest average wind speed) is June (11km/h).
Average humidity in May
Killilan, United Kingdom
- Average humidity in May: 83%
The months with the highest relative humidity are January, September, November and December (90%).
The months with the lowest relative humidity are April and May (83%).
Average rainfall in May
Killilan, United Kingdom
- Average rainfall in May: 82mm
The wettest month (with the highest rainfall) is December (134mm).
The driest month (with the least rainfall) is April (51mm).
Average rainfall days in May
Killilan, United Kingdom
- Average rainfall days in May: 20.9 days
The month with the highest number of rainy days is August (24.8 days).
The month with the least rainy days is February (17.2 days).
Average snowfall in May
Killilan, United Kingdom
- Average snowfall in May: 2mm
The month with the highest snowfall is January (105mm).
The months with the least snowfall are June, July, August and September (0mm).
Average snowfall days in May
Killilan, United Kingdom
- Average snowfall days in May: 0.3 days
The month with the highest number of snowfall days is February (6.3 days).
The months with the least snowfall days are June, July, August and September (0 days).
Average daylight in May /
Average sunshine in May
Killilan, United Kingdom
- Average daylight in May: 16h and 36min
The month with the longest days is June (Average daylight: 17h and 54min).
The month with the shortest days is December (Average daylight: 6h and 48min).
- Average sunshine in May: 4h and 54min
The months with the most sunshine are April, May and June (Average sunshine: 4h and 54min).
The month with the least sunshine is December (Average sunshine: 2h and 12min).
Average sunshine days in May
Killilan, United Kingdom
- Average sunshine days in May: 8.2 days
The month with the most sunshine days is May (8.2 days).
The month with the least sunshine days is August (4.3 days).
Average UV index in May
Killilan, United Kingdom
- Average UV index in May: 3
The months with the highest UV index are May, June, July, August and September (UV index 3).
The months with the lowest UV index are January and November (UV index 1).
Average cloud cover in May
Killilan, United Kingdom
- Average cloud cover in May: 69
The month with the most cloud cover is August (Cloud cover 78).
The month with the least cloud cover is April (Cloud cover 68).
Average visibility in May
Killilan, United Kingdom
- Average visibility in May: 9km
The months with the highest visibility are April and May (9km).
The month with the lowest visibility is August (7km).
