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 brings an average high-temperature of a refreshing 14.2°C (57.6°F), nearly identical to the preceding month. The average temperature in Clydach Vale during May nights dips to a chilly 7.3°C (45.1°F).Humidity
April and May, with an average relative humidity of 83%, are the least humid months.Rainfall
May is the month with the least rainfall in Clydach Vale. Rain falls for 15.7 days and accumulates 34mm (1.34") of precipitation.Snowfall
May through October are months without snowfall.Daylight
In Clydach Vale, United Kingdom, the average length of the day in May is 15h and 39min.On the first day of the month, sunrise is at 5:43 am and sunset at 8:37 pm. On the last day of May, in Clydach Vale, 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
The months with the highest UV index in Clydach Vale, United Kingdom, are May through August, with an average maximum UV index of 4. A UV Index estimate of 3 to 5 represents a medium health hazard from exposure to the Sun's UV rays for the ordinary person.Note: The maximum UV index of 4 during May translates into these guidelines:
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. Tightly woven clothing, when worn loosely, shields effectively against the Sun. Remember! The Sun's UV radiation can be magnified almost twofold by the reflection of snow.
Published by: Weather Atlas | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
What are the temperatures in Clydach Vale in May?
What is the least humid month in Clydach Vale?
What is the average humidity in May in Clydach Vale?
What is the driest month in Clydach Vale?
How many days does it rain in May in Clydach Vale?
When it does not snow in Clydach Vale?
Does it snow in Clydach Vale in May?
What is the average length of the day in May in Clydach Vale?
When are sunrise and sunset in May in Clydach Vale?
What is the month with the most sunshine in Clydach Vale?
How many hours of sunshine does Clydach Vale have in May?
When is the highest UV index in Clydach Vale?
What is the UV index intensity in May in Clydach Vale?
Average temperature in May
Clydach Vale, 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
Clydach Vale, 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
Clydach Vale, 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
Clydach Vale, 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
Clydach Vale, 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
Clydach Vale, 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
Clydach Vale, 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
Clydach Vale, 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
Clydach Vale, 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
Clydach Vale, 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
Clydach Vale, 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
Clydach Vale, 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
Clydach Vale, 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).
