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 commences with an average high-temperature of a mild 14.7°C (58.5°F), showing little deviation from April's 12.4°C (54.3°F). Llantwit Major observes an average nighttime low-temperature of 8.2°C (46.8°F) during the month of May.Humidity
In May, the average relative humidity in Llantwit Major is 82%.Rainfall
In Llantwit Major, United Kingdom, during May, the rain falls for 14.5 days and regularly aggregates up to 33mm (1.3") of precipitation. Throughout the year, in Llantwit Major, there are 177.9 rainfall days, and 579mm (22.8") of precipitation is accumulated.Snowfall
In Llantwit Major, United Kingdom, snow does not fall in April through October.Daylight
The average length of the day in May in Llantwit Major is 15h and 37min.On the first day of May in Llantwit Major, sunrise is at 5:44 am and sunset at 8:37 pm. On the last day of the month, sunrise is at 5:03 am and sunset at 9:20 pm BST.
Sunshine
The month with the most sunshine in Llantwit Major is May, with an average of 8.2h of sunshine.UV index
May through September, with an average maximum UV index of 4, are months with the highest UV index. A UV Index estimate of 3 to 5 represents a moderate threat to health from unsafe exposure to UV radiation for the average person.Note: In May, a daily UV index of 4 turns into the following recommendations:
Ensure safety - Imperative it is to shield skin and eyes from damage. The midday Sun can be dangerous due to its intense radiation; always find shade and reduce exposure. In the presence of strong sunlight, it's crucial to wear sunglasses that ward off UVA and UVB rays.
Published by: Weather Atlas | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
What is the average May temperature in Llantwit Major?
What is the average humidity in May in Llantwit Major?
How many days does it rain in May in Llantwit Major?
When it does not snow in Llantwit Major?
What is the average length of the day in May in Llantwit Major?
When is the sunrise / sunset in May in Llantwit Major?
What month has the most sunshine in Llantwit Major?
How long on average sun shines in May in Llantwit Major?
When is the highest UV index in Llantwit Major?
How high is the UV index in May in Llantwit Major?
Average temperature in May
Llantwit Major, United Kingdom
- Average high temperature in May: 14.7°C
The warmest month (with the highest average high temperature) is July (18.8°C).
The month with the lowest average high temperature is January (7.4°C).
- Average low temperature in May: 8.2°C
The months with the highest average low temperature are July and August (12.8°C).
The coldest months (with the lowest average low temperature) are January and February (3.8°C).
Average pressure in May
Llantwit Major, United Kingdom
- Average pressure in May: 1016.8mbar
The months with the highest atmospheric pressure are May and September (1016.8mbar).
The month with the lowest atmospheric pressure is November (1010mbar).
Average wind speed in May
Llantwit Major, United Kingdom
- Average wind speed in May: 15.8km/h
The windiest month (with the highest average wind speed) is February (22.2km/h).
The calmest month (with the lowest average wind speed) is June (15km/h).
Average humidity in May
Llantwit Major, United Kingdom
- Average humidity in May: 82%
The months with the highest relative humidity are January, November and December (86%).
The month with the lowest relative humidity is April (81%).
Average rainfall in May
Llantwit Major, United Kingdom
- Average rainfall in May: 33mm
The wettest month (with the highest rainfall) is November (72mm).
The driest month (with the least rainfall) is April (31mm).
Average rainfall days in May
Llantwit Major, United Kingdom
- Average rainfall days in May: 14.5 days
The month with the highest number of rainy days is July (17.2 days).
The month with the least rainy days is September (12.5 days).
Average snowfall in May
Llantwit Major, United Kingdom
- Average snowfall in May: 0mm
The month with the highest snowfall is January (10mm).
The months with the least snowfall are April, May, June, July, August, September and October (0mm).
Average snowfall days in May
Llantwit Major, United Kingdom
- Average snowfall days in May: 0 days
The months with the highest number of snowfall days are January and February (1.1 days).
The months with the least snowfall days are April, May, June, July, August, September and October (0 days).
Average daylight in May /
Average sunshine in May
Llantwit Major, United Kingdom
- Average daylight in May: 15h and 4min
The month with the longest days is June (Average daylight: 16h and 30min).
The month with the shortest days is December (Average daylight: 7h and 54min).
- Average sunshine in May: 8h and 1min
The month with the most sunshine is May (Average sunshine: 8h and 12min).
The month with the least sunshine is November (Average sunshine: 3h and 54min).
Average sunshine days in May
Llantwit Major, United Kingdom
- Average sunshine days in May: 14.2 days
The month with the most sunshine days is September (15.7 days).
The month with the least sunshine days is July (10.5 days).
Average UV index in May
Llantwit Major, 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
Llantwit Major, United Kingdom
- Average cloud cover in May: 47
The month with the most cloud cover is November (Cloud cover 62).
The months with the least cloud cover are April and May (Cloud cover 47).
Average visibility in May
Llantwit Major, United Kingdom
- Average visibility in May: 9km
The months with the highest visibility are January, February, March, April, May, June, July, August, September, October, November and December (9km).
The months with the lowest visibility are January, February, March, April, May, June, July, August, September, October, November and December (9km).
