Contents
- Weather in May
- Frequently asked questions
- Average temperature in May
- Average pressure in May
- Average wind speed in May
- Average humidity in May
- Average rainfall in May
- Average rainfall days in May
- Average snowfall in May
- Average snowfall days in May
- Average daylight in May
- Average sunshine in May
- Average sunshine days in May
- Average UV index in May
- Average cloud cover in May
- Average visibility in May
May
Weather in May
Temperature
The shift to May signals an average high-temperature of a moderate 14.2°C (57.6°F), subtly varied from April's 11.8°C (53.2°F). An average low-temperature of 6.8°C (44.2°F) is noted during the nights in May.Humidity
The months with the lowest humidity are April and May, with an average relative humidity of 84%.Rainfall
In Llansantffraed, in May, it is raining for 16.3 days, with typically 35mm (1.38") of accumulated precipitation. In Llansantffraed, United Kingdom, during the entire year, the rain falls for 197.4 days and collects up to 601mm (23.66") of precipitation.Snowfall
January through May, November and December are months with snowfall. May is the last month it regularly snows in Llansantffraed. During 0.1 snowfall days, in May, Llansantffraed aggregates 2mm (0.08") of snow. In Llansantffraed, during the entire year, snow falls for 14.5 days and aggregates up to 136mm (5.35") of snow.Daylight
In May, the average length of the day is 15h and 41min.On the first day of the month, sunrise is at 5:42 am and sunset at 8:38 pm. On the last day of May, sunrise is at 4:59 am and sunset at 9:22 pm BST.
Sunshine
In Llansantffraed, the average sunshine in May is 7.5h.UV index
The months with the highest UV index are May through August, with an average maximum UV index of 4. A UV Index value of 3 to 5 symbolizes a moderate threat to health from unsafe exposure to UV radiation for the average person.Note: In May, a regular UV index of 4 translates into these guidelines:
Exercise prevention - Warding off sunburn is urged. The midday Sun can be harmful due to its potent UV radiation; seek shade and reduce exposure. Safeguard your eyes, ears, and face from sun rays with the aid of a wide-brim hat. Mark this! Snow reflection can nearly double the UV radiation intensity from the Sun.
Published by: Weather Atlas | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
What is the temperature in May?
What are the least humid months?
What is the average humidity in May in Llansantffraed?
How many days does it rain in May?
What is the last month it snows?
How many hours of daylight does Llansantffraed have in May?
What time are sunrise and sunset in May?
How many hours of sunshine does Llansantffraed have in May?
What is the month with the highest UV index?
What is the UV index intensity in May?
Average temperature in May
Llansantffraed, United Kingdom
- Average high temperature in May: 14.2°C
The warmest month (with the highest average high temperature) is July (18.4°C).
The month with the lowest average high temperature is January (6.2°C).
- Average low temperature in May: 6.8°C
The month with the highest average low temperature is August (11.6°C).
The coldest month (with the lowest average low temperature) is January (2.2°C).
Average pressure in May
Llansantffraed, United Kingdom
- Average pressure in May: 1016.6mbar
The months with the highest atmospheric pressure are May and September (1016.6mbar).
The month with the lowest atmospheric pressure is November (1009.8mbar).
Average wind speed in May
Llansantffraed, United Kingdom
- Average wind speed in May: 14.4km/h
The windiest month (with the highest average wind speed) is February (20.2km/h).
The calmest month (with the lowest average wind speed) is June (13.5km/h).
Average humidity in May
Llansantffraed, United Kingdom
- Average humidity in May: 84%
The months with the highest relative humidity are November and December (90%).
The months with the lowest relative humidity are April and May (84%).
Average rainfall in May
Llansantffraed, United Kingdom
- Average rainfall in May: 35mm
The wettest month (with the highest rainfall) is November (75mm).
The driest month (with the least rainfall) is September (34mm).
Average rainfall days in May
Llansantffraed, United Kingdom
- Average rainfall days in May: 16.3 days
The months with the highest number of rainy days are July and November (19.1 days).
The month with the least rainy days is February (12.8 days).
Average snowfall in May
Llansantffraed, United Kingdom
- Average snowfall in May: 2mm
The month with the highest snowfall is January (37mm).
The months with the least snowfall are June, July, August, September and October (0mm).
Average snowfall days in May
Llansantffraed, United Kingdom
- Average snowfall days in May: 0.1 days
The months with the highest number of snowfall days are January and February (3.9 days).
The months with the least snowfall days are June, July, August, September and October (0 days).
Average daylight in May /
Average sunshine in May
Llansantffraed, United Kingdom
- Average daylight in May: 15h and 4min
The month with the longest days is June (Average daylight: 16h and 36min).
The month with the shortest days is December (Average daylight: 7h and 54min).
- Average sunshine in May: 7h and 3min
The month with the most sunshine is July (Average sunshine: 7h and 36min).
The month with the least sunshine is November (Average sunshine: 3h and 36min).
Average sunshine days in May
Llansantffraed, United Kingdom
- Average sunshine days in May: 11.5 days
The months with the most sunshine days are March and April (12.3 days).
The month with the least sunshine days is November (7.3 days).
Average UV index in May
Llansantffraed, 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
Llansantffraed, United Kingdom
- Average cloud cover in May: 51
The month with the most cloud cover is November (Cloud cover 65).
The months with the least cloud cover are April and May (Cloud cover 51).
Average visibility in May
Llansantffraed, United Kingdom
- Average visibility in May: 9km
The months with the highest visibility are January, February, March, April, May, June and December (9km).
The months with the lowest visibility are July, August, September, October and November (8km).
