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 refreshing 14.2°C (57.6°F), marking an insignificant difference from April's 12°C (53.6°F). Nighttime temperature experiences an average drop to a chilly 7.3°C (45.1°F) in May.Humidity
April and May, with an average relative humidity of 83%, are the least humid months in Mountain Ash.Rainfall
The month with the least rainfall in Mountain Ash is May, when the rain falls for 15.7 days and typically collects 34mm (1.34") of precipitation.Snowfall
May through October are months without snowfall in Mountain Ash.Daylight
In May, the average length of the day in Mountain Ash is 15h and 40min.On the first day of May, sunrise is at 5:43 am and sunset at 8:37 pm. On the last day of the month, sunrise is at 5:01 am and sunset at 9:21 pm BST.
Sunshine
The months with the most sunshine are April and May, with an average of 7.4h of sunshine.UV index
May through August, 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 medium vulnerability from exposure to the Sun's UV rays for the average person.Note: The maximum daily UV index of 4 during May translates into the following directions:
Make use of precautions - It is urged to ward off sun damage. The midday Sun can be harmful due to its potent UV radiation; seek shade and reduce exposure. To best shield against UV radiation, choose sun-safe garments and dependable sunglasses. On your guard! Snow's reflection can almost double the intensity of the Sun's UV radiation.
Published by: Weather Atlas | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
What are the temperatures in Mountain Ash in May?
What is the least humid month in Mountain Ash?
What is the average humidity in May in Mountain Ash?
What is the driest month in Mountain Ash?
How many days does it rain in May in Mountain Ash?
When it does not snow in Mountain Ash?
Does it snow in Mountain Ash in May?
How many hours of daylight does Mountain Ash have in May?
When are sunrise and sunset in May in Mountain Ash?
What is the month with the most sunshine in Mountain Ash?
How long on average sun shines in May in Mountain Ash?
When is the highest UV index in Mountain Ash?
What is the UV index intensity in May in Mountain Ash?
Average temperature in May
Mountain Ash, United Kingdom
- Average high temperature in May: 14.2°C
The warmest month (with the highest average high temperature) is July (18.3°C).
The month with the lowest average high temperature is January (6.6°C).
- Average low temperature in May: 7.3°C
The month with the highest average low temperature is August (12°C).
The coldest month (with the lowest average low temperature) is January (2.6°C).
Average pressure in May
Mountain Ash, United Kingdom
- Average pressure in May: 1016.7mbar
The month with the highest atmospheric pressure is May (1016.7mbar).
The month with the lowest atmospheric pressure is November (1009.8mbar).
Average wind speed in May
Mountain Ash, United Kingdom
- Average wind speed in May: 15.2km/h
The windiest month (with the highest average wind speed) is February (20.9km/h).
The calmest months (with the lowest average wind speed) are June and July (14.2km/h).
Average humidity in May
Mountain Ash, United Kingdom
- Average humidity in May: 83%
The months with the highest relative humidity are January, November and December (89%).
The months with the lowest relative humidity are April and May (83%).
Average rainfall in May
Mountain Ash, United Kingdom
- Average rainfall in May: 34mm
The wettest month (with the highest rainfall) is November (81mm).
The driest month (with the least rainfall) is May (34mm).
Average rainfall days in May
Mountain Ash, United Kingdom
- Average rainfall days in May: 15.7 days
The months with the highest number of rainy days are August and November (19.4 days).
The month with the least rainy days is February (13.3 days).
Average snowfall in May
Mountain Ash, United Kingdom
- Average snowfall in May: 0mm
The month with the highest snowfall is January (29mm).
The months with the least snowfall are May, June, July, August, September and October (0mm).
Average snowfall days in May
Mountain Ash, United Kingdom
- Average snowfall days in May: 0.1 days
The month with the highest number of snowfall days is January (4.2 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
Mountain Ash, 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 2min
The months with the most sunshine are April and May (Average sunshine: 7h and 24min).
The months with the least sunshine are January, February, November and December (Average sunshine: 3h and 30min).
Average sunshine days in May
Mountain Ash, United Kingdom
- Average sunshine days in May: 11.8 days
The month with the most sunshine days is April (12.9 days).
The month with the least sunshine days is November (7.2 days).
Average UV index in May
Mountain Ash, 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
Mountain Ash, United Kingdom
- Average cloud cover in May: 52
The month with the most cloud cover is November (Cloud cover 67).
The months with the least cloud cover are April and May (Cloud cover 52).
Average visibility in May
Mountain Ash, United Kingdom
- Average visibility in May: 9km
The months with the highest visibility are January, February, March, April, May, June, October, November and December (9km).
The months with the lowest visibility are July, August and September (8km).
