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
May observes an average high-temperature of a mild 13.8°C (56.8°F), marking an insignificant difference from April's 11.4°C (52.5°F). In May, Llanwrthwl encounters an average low-temperature of 5.5°C (41.9°F) during the night.Humidity
April and May, with an average relative humidity of 85%, are the least humid months.Rainfall
In May, in Llanwrthwl, the rain falls for 14.8 days. Throughout May, 28mm (1.1") of precipitation is accumulated. In Llanwrthwl, United Kingdom, during the entire year, the rain falls for 192.1 days and collects up to 471mm (18.54") of precipitation.Snowfall
January through May, November and December are months with snowfall in Llanwrthwl. May is the last month it regularly snows. During 0.1 snowfall days, in May, Llanwrthwl aggregates 2mm (0.08") of snow. Throughout the year, in Llanwrthwl, there are 17.1 snowfall days, and 120mm (4.72") of snow is accumulated.Daylight
The average length of the day in May is 15h and 44min.On the first day of the month, sunrise is at 5:41 am and sunset at 8:40 pm. On the last day of May, in Llanwrthwl, United Kingdom, sunrise is at 4:58 am and sunset at 9:24 pm BST.
Sunshine
The month with the most sunshine in Llanwrthwl is May, with an average of 6.4h of sunshine.UV index
The months with the highest UV index in Llanwrthwl are May through August, with an average maximum UV index of 4. A UV Index of 3 to 5 symbolizes a moderate threat to health from unsafe exposure to UV radiation for the average person.Note: An average maximum UV index of 4 in May leads to these recommendations:
Be mindful. Those with pale skin might receive burns in fewer than 30 minutes. Sun exposure should be minimized, especially during midday, to avoid harmful UV radiation. A hat with a generous brim can prevent nearly 50% of UV rays from reaching your eyes. Heads up! The UV radiation from the Sun can almost be doubled by snow reflection.
Published by: Weather Atlas | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
What is the average May temperature in Llanwrthwl?
What are the least humid months in Llanwrthwl?
What is the average humidity in May in Llanwrthwl?
How many days does it rain in May in Llanwrthwl?
What is the last month it snows in Llanwrthwl?
What is the average length of the day in May in Llanwrthwl?
When is the sunrise / sunset in May in Llanwrthwl?
What month has the most sunshine in Llanwrthwl?
How many hours of sunshine does Llanwrthwl have in May?
What are the months with the highest UV index in Llanwrthwl?
What is the UV index intensity in May in Llanwrthwl?
Average temperature in May
Llanwrthwl, United Kingdom
- Average high temperature in May: 13.8°C
The warmest month (with the highest average high temperature) is July (17.7°C).
The month with the lowest average high temperature is January (5.3°C).
- Average low temperature in May: 5.5°C
The month with the highest average low temperature is August (10.3°C).
The coldest months (with the lowest average low temperature) are January and February (0.9°C).
Average pressure in May
Llanwrthwl, United Kingdom
- Average pressure in May: 1016.5mbar
The month with the highest atmospheric pressure is May (1016.5mbar).
The month with the lowest atmospheric pressure is November (1009.6mbar).
Average wind speed in May
Llanwrthwl, United Kingdom
- Average wind speed in May: 14.1km/h
The windiest month (with the highest average wind speed) is February (19km/h).
The calmest month (with the lowest average wind speed) is June (12.7km/h).
Average humidity in May
Llanwrthwl, United Kingdom
- Average humidity in May: 85%
The months with the highest relative humidity are January, November and December (92%).
The months with the lowest relative humidity are April and May (85%).
Average rainfall in May
Llanwrthwl, United Kingdom
- Average rainfall in May: 28mm
The wettest month (with the highest rainfall) is November (52mm).
The driest month (with the least rainfall) is September (27mm).
Average rainfall days in May
Llanwrthwl, United Kingdom
- Average rainfall days in May: 14.8 days
The months with the highest number of rainy days are July and November (18.7 days).
The months with the least rainy days are February and September (13.7 days).
Average snowfall in May
Llanwrthwl, United Kingdom
- Average snowfall in May: 2mm
The month with the highest snowfall is February (30mm).
The months with the least snowfall are June, July, August, September and October (0mm).
Average snowfall days in May
Llanwrthwl, United Kingdom
- Average snowfall days in May: 0.1 days
The month with the highest number of snowfall days is February (5 days).
The months with the least snowfall days are June, July, August and September (0 days).
Average daylight in May /
Average sunshine in May
Llanwrthwl, United Kingdom
- Average daylight in May: 15h and 4min
The month with the longest days is June (Average daylight: 16h and 42min).
The month with the shortest days is December (Average daylight: 7h and 48min).
- Average sunshine in May: 6h and 2min
The month with the most sunshine is May (Average sunshine: 6h and 24min).
The month with the least sunshine is November (Average sunshine: 2h and 54min).
Average sunshine days in May
Llanwrthwl, United Kingdom
- Average sunshine days in May: 11.7 days
The month with the most sunshine days is April (12.5 days).
The month with the least sunshine days is November (7.2 days).
Average UV index in May
Llanwrthwl, 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
Llanwrthwl, United Kingdom
- Average cloud cover in May: 60
The month with the most cloud cover is November (Cloud cover 73).
The months with the least cloud cover are April and May (Cloud cover 60).
Average visibility in May
Llanwrthwl, United Kingdom
- Average visibility in May: 8km
The months with the highest visibility are January, February, March, April, May, June, July and December (8km).
The months with the lowest visibility are August, September, October and November (7km).
