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
As May takes hold, the average high-temperature is a moderate 13.8°C (56.8°F), nearly mirroring that of the previous month. In Rhayader, May's nights observe an average temperature dip to a wintry 5.5°C (41.9°F).Humidity
The months with the lowest humidity are April and May, with an average relative humidity of 85%.Rainfall
In Rhayader, in May, during 14.8 rainfall days, 28mm (1.1") of precipitation is typically accumulated. In Rhayader, 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. May is the last month it regularly snows in Rhayader. During 0.1 snowfall days, in May, Rhayader aggregates 2mm (0.08") of snow. In Rhayader, United Kingdom, during the entire year, snow falls for 17.1 days and aggregates up to 120mm (4.72") of snow.Daylight
In May, the average length of the day is 15h and 45min.On the first day of May in Rhayader, United Kingdom, sunrise is at 5:41 am and sunset at 8:40 pm. On the last day of the month, sunrise is at 4:58 am and sunset at 9:25 pm BST.
Sunshine
May has the most sunshine of the year in Rhayader, with an average of 6.4h 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 moderate threat to health from exposure to the Sun's UV radiation for ordinary individuals.Note: A daily maximum UV index of 4 in May translates into the following instructions:
Prioritize safety - Suggestions to prevent sun damage are offered. Limiting sun exposure during midday hours helps in reducing the harmful effects of UV radiation. Sunglasses that guard against UVA and UVB rays are pivotal in minimizing sun-induced ocular damage. Be prepared! The intensity of the Sun's UV radiation can be amplified nearly double due to snow reflection.
Published by: Weather Atlas | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
What are the temperatures in Rhayader in May?
What are the least humid months in Rhayader?
What is the average humidity in May in Rhayader?
How much does it rain in Rhayader in May?
What is the last month it snows in Rhayader?
What is the average length of the day in May in Rhayader?
When is the sunrise / sunset in May in Rhayader?
What month has the most sunshine in Rhayader?
How long on average sun shines in May in Rhayader?
What is the month with the highest UV index in Rhayader?
What is the UV index reading in May in Rhayader?
Average temperature in May
Rhayader, 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
Rhayader, 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
Rhayader, 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
Rhayader, 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
Rhayader, 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
Rhayader, 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
Rhayader, 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
Rhayader, 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
Rhayader, 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
Rhayader, 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
Rhayader, 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
Rhayader, 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
Rhayader, 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).
