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 high-temperature average in May for Trelystan is a mild 14.3°C (57.7°F), staying closely aligned with April's conditions. Trelystan encounters an average low-temperature of 5.8°C (42.4°F) during May nights.Humidity
The months with the lowest humidity are April and May, with an average relative humidity of 84%.Rainfall
In Trelystan, in May, during 16.9 rainfall days, 37mm (1.46") of precipitation is typically accumulated. Throughout the year, in Trelystan, there are 190 rainfall days, and 545mm (21.46") of precipitation is accumulated.Snowfall
May through October are months without snowfall.Daylight
The average length of the day in May in Trelystan is 15h and 48min.On the first day of the month, sunrise is at 5:39 am and sunset at 8:39 pm. On the last day of May, in Trelystan, sunrise is at 4:55 am and sunset at 9:25 pm BST.
Sunshine
In Trelystan, the average sunshine in May is 6.7h.UV index
The months with the highest UV index in Trelystan are May through August, with an average maximum UV index of 4. A UV Index value of 3 to 5 symbolizes a moderate health risk from unsafe exposure to UV radiation for ordinary individuals.Note: In May, the UV index of 4 transforms into the following advice:
Adopt protective measures - Requirement to safeguard skin and eyes from harm exists. Avoiding direct sun during mid-day hours can prevent harmful UV radiation exposure. Sunglasses providing both UVA and UVB protection are non-negotiable on sunlit days.
Published by: Weather Atlas | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
What are the temperatures in Trelystan in May?
What are the least humid months in Trelystan?
What is the average humidity in May in Trelystan?
How many days does it rain in May in Trelystan?
When it does not snow in Trelystan?
Does it snow in Trelystan in May?
What is the average length of the day in May in Trelystan?
When is the sunrise / sunset in May in Trelystan?
How long on average sun shines in May in Trelystan?
When is the highest UV index in Trelystan?
What is the UV index intensity in May in Trelystan?
Average temperature in May
Trelystan, United Kingdom
- Average high temperature in May: 14.3°C
The warmest month (with the highest average high temperature) is July (18.6°C).
The month with the lowest average high temperature is January (5.6°C).
- Average low temperature in May: 5.8°C
The month with the highest average low temperature is August (10.6°C).
The coldest month (with the lowest average low temperature) is January (0.9°C).
Average pressure in May
Trelystan, United Kingdom
- Average pressure in May: 1016.4mbar
The month with the highest atmospheric pressure is May (1016.4mbar).
The month with the lowest atmospheric pressure is November (1009.4mbar).
Average wind speed in May
Trelystan, United Kingdom
- Average wind speed in May: 12.9km/h
The windiest month (with the highest average wind speed) is February (17.3km/h).
The calmest month (with the lowest average wind speed) is June (11.7km/h).
Average humidity in May
Trelystan, United Kingdom
- Average humidity in May: 84%
The months with the highest relative humidity are January, November and December (91%).
The months with the lowest relative humidity are April and May (84%).
Average rainfall in May
Trelystan, United Kingdom
- Average rainfall in May: 37mm
The wettest month (with the highest rainfall) is June (71mm).
The driest month (with the least rainfall) is April (33mm).
Average rainfall days in May
Trelystan, United Kingdom
- Average rainfall days in May: 16.9 days
The month with the highest number of rainy days is July (20.3 days).
The month with the least rainy days is February (12 days).
Average snowfall in May
Trelystan, United Kingdom
- Average snowfall in May: 0mm
The month with the highest snowfall is January (27mm).
The months with the least snowfall are May, June, July, August, September and October (0mm).
Average snowfall days in May
Trelystan, United Kingdom
- Average snowfall days in May: 0 days
The month with the highest number of snowfall days is January (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
Trelystan, United Kingdom
- Average daylight in May: 15h and 5min
The month with the longest days is June (Average daylight: 16h and 48min).
The month with the shortest days is December (Average daylight: 7h and 42min).
- Average sunshine in May: 6h and 4min
The month with the most sunshine is July (Average sunshine: 6h and 48min).
The month with the least sunshine is November (Average sunshine: 3h and 24min).
Average sunshine days in May
Trelystan, United Kingdom
- Average sunshine days in May: 11.5 days
The month with the most sunshine days is March (13.6 days).
The month with the least sunshine days is July (7.8 days).
Average UV index in May
Trelystan, 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
Trelystan, United Kingdom
- Average cloud cover in May: 58
The month with the most cloud cover is November (Cloud cover 67).
The month with the least cloud cover is April (Cloud cover 57).
Average visibility in May
Trelystan, United Kingdom
- Average visibility in May: 8km
The months with the highest visibility are January, February, March, April, May, June, July, October and December (8km).
The months with the lowest visibility are August, September and November (7km).
