May weather forecastLlysfaen, United Kingdom
May weather for Llysfaen, United Kingdom: The months with the most sunshine in Llysfaen, United Kingdom, are May and June, with an average of 7.7h of sunshine. May through September, with an average maximum UV index of 4, are months with the highest UV index in Llysfaen, United Kingdom.
May
Weather in May
May, the last month of the spring in Llysfaen, is another cool month, with an average temperature varying between 12.9°C (55.2°F) and 8.1°C (46.6°F).Temperature
The commencement of May introduces an average high-temperature of a still cool 12.9°C (55.2°F), closely mirroring the preceding month. Llysfaen observes an average low-temperature of 8.1°C (46.6°F) during the slightly cooler nights of May.Humidity
The months with the lowest humidity in Llysfaen are April and May, with an average relative humidity of 81%.Rainfall
May is the month with the least rainfall in Llysfaen. Rain falls for 16.9 days and accumulates 31mm (1.22") of precipitation.Snowfall
May through October are months without snowfall.Daylight
In Llysfaen, the average length of the day in May is 15h and 53min.On the first day of May, sunrise is at 5:39 am and sunset at 8:44 pm. On the last day of the month, sunrise is at 4:53 am and sunset at 9:31 pm BST.
Sunshine
The months with the most sunshine are May and June, with an average of 7.7h of sunshine.UV index
The months with the highest UV index are May through September, with an average maximum UV index of 4. A UV Index value of 3 to 5 symbolizes a medium vulnerability from exposure to the Sun's UV radiation for the ordinary person.Note: In May, a daily maximum UV index of 4 leads to the following instructions:
Undertake protective steps - Preventing sun damage is advised. UV radiation from the Sun is most dangerous during midday; take precautions and seek shade. Always opt for UVA and UVB-resistant sunglasses on radiant days.
Published by: Weather Atlas | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature in May
Llysfaen, United Kingdom
- Average high temperature in May: 12.9°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: 8.1°C
The month with the highest average low temperature is August (12.8°C).
The coldest month (with the lowest average low temperature) is January (3.8°C).
Average pressure in May
Llysfaen, United Kingdom
- Average pressure in May: 1016.2mbar
The month with the highest atmospheric pressure is May (1016.2mbar).
The month with the lowest atmospheric pressure is November (1008.8mbar).
Average wind speed in May
Llysfaen, United Kingdom
- Average wind speed in May: 16.3km/h
The windiest month (with the highest average wind speed) is December (23.8km/h).
The calmest month (with the lowest average wind speed) is June (14.4km/h).
Average humidity in May
Llysfaen, United Kingdom
- Average humidity in May: 81%
The months with the highest relative humidity are January and August (85%).
The months with the lowest relative humidity are April and May (81%).
Average rainfall in May
Llysfaen, United Kingdom
- Average rainfall in May: 31mm
The wettest month (with the highest rainfall) is November (68mm).
The driest month (with the least rainfall) is May (31mm).
Average rainfall days in May
Llysfaen, United Kingdom
- Average rainfall days in May: 16.9 days
The month with the highest number of rainy days is December (22.5 days).
The month with the least rainy days is February (15.8 days).
Average snowfall in May
Llysfaen, United Kingdom
- Average snowfall in May: 0mm
The month with the highest snowfall is February (21mm).
The months with the least snowfall are May, June, July, August, September and October (0mm).
Average snowfall days in May
Llysfaen, United Kingdom
- Average snowfall days in May: 0 days
The month with the highest number of snowfall days is February (3.3 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
Llysfaen, United Kingdom
- Average daylight in May: 15h and 54min
The month with the longest days is June (Average daylight: 16h and 54min).
The month with the shortest days is December (Average daylight: 7h and 36min).
- Average sunshine in May: 7h and 42min
The months with the most sunshine are May and June (Average sunshine: 7h and 42min).
The month with the least sunshine is November (Average sunshine: 3h and 36min).
Average sunshine days in May
Llysfaen, United Kingdom
- Average sunshine days in May: 11 days
The months with the most sunshine days are March and May (11 days).
The month with the least sunshine days is November (5.2 days).
Average UV index in May
Llysfaen, United Kingdom
- Average UV index in May: 4
The months with the highest UV index are May, June, July, August and September (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
Llysfaen, United Kingdom
- Average cloud cover in May: 49
The month with the most cloud cover is December (Cloud cover 65).
The month with the least cloud cover is May (Cloud cover 49).
Average visibility in May
Llysfaen, United Kingdom
- Average visibility in May: 9km
The months with the highest visibility are March, September and October (10km).
The months with the lowest visibility are January, February, April, May, June, July, August, November and December (9km).





