May weather forecast
Ystradfellte, United Kingdom

May

Weather in May

The last month of the spring, May, is a moderate month in Ystradfellte, United Kingdom, with temperature in the range of an average high of 13.9°C (57°F) and an average low of 6.3°C (43.3°F).

Temperature

Ystradfellte registers an average high-temperature of a refreshing 13.9°C (57°F) with the arrival of May, showing minor deviation from the preceding month. During May, Ystradfellte experiences an average low-temperature of 6.3°C (43.3°F) at night.

Humidity

The average relative humidity in May is 85%.

Rainfall

May is the month with the least rainfall in Ystradfellte. Rain falls for 15.8 days and accumulates 37mm (1.46") of precipitation.

Snowfall

January through May, November and December are months with snowfall in Ystradfellte. May is the last month it regularly snows. During 0.3 snowfall days, in May, Ystradfellte aggregates 4mm (0.16") of snow. Throughout the year, in Ystradfellte, there are 17.5 snowfall days, and 205mm (8.07") of snow is accumulated.

Daylight

The average length of the day in May is 15h and 41min.
On the first day of May, sunrise is at 5:43 am and sunset at 8:38 pm. On the last day of the month, sunrise is at 5:01 am and sunset at 9:22 pm BST.

Sunshine

With an average of 6.5h of sunshine, May has the most sunshine of the year in Ystradfellte, United Kingdom.

UV index

The months with the highest UV index in Ystradfellte are May through August, with an average maximum UV index of 4. A UV Index of 3 to 5 symbolizes a moderate threat to health from exposure to the Sun's UV rays for average individuals.
Note: A daily high UV index of 4 in May leads to these guidelines:
Safety measures are advised. Light-skinned individuals may experience burns in under half an hour. The Sun is most powerful around mid-day, so it's a good practice to reduce direct exposure. Safeguard your eyes, ears, and face from sun rays with the aid of a wide-brim hat. Alert! The snow's reflection can amplify the UV radiation of the Sun nearly twice.

Frequently asked questions

What is the usual temperature for Ystradfellte in May?
In Ystradfellte, 13.9°C (57°F) is the average high-temperature and 6.3°C (43.3°F) is the average low-temperature during May.
What is the average humidity in May in Ystradfellte?
In May, the average relative humidity is 85%.
What is the driest month in Ystradfellte?
May is the month with the least rainfall in Ystradfellte. Rain falls for 15.8 days and accumulates 37mm (1.46") of precipitation.
How many days does it rain in May in Ystradfellte?
In Ystradfellte, United Kingdom, in May, during 15.8 rainfall days, 37mm (1.46") of precipitation is typically accumulated.
What is the last month it snows in Ystradfellte?
May is the last month it regularly snows in Ystradfellte, United Kingdom. During 0.3 snowfall days, in May, Ystradfellte aggregates 4mm (0.16") of snow.
How many hours of daylight does Ystradfellte have in May?
In May, the average day length in Ystradfellte, United Kingdom, is 15h and 41min.
What time are sunrise and sunset in May in Ystradfellte?
On the first day of May, sunrise is at 5:43 am and sunset at 8:38 pm. On the last day of the month, sunrise is at 5:01 am and sunset at 9:22 pm BST.
What month has the most sunshine in Ystradfellte?
May has the most sunshine of the year in Ystradfellte, with an average of 6.5h of sunshine.
How long on average sun shines in May in Ystradfellte?
In May, the average sunshine duration is 6.5h.
What is the month with the highest UV index in Ystradfellte?
May through August, with an average maximum UV index of 4, are months with the highest UV index in Ystradfellte.
What is the UV index intensity in May in Ystradfellte?
In Ystradfellte, the average daily maximum UV index in May is 4. A UV Index value of 3 to 5 symbolizes a medium hazard to health from exposure to Sun's UV rays.
Average high temperature
Average low temperature
Average wind speed
Average max. wind speed
Average wind speed gusts
Average humidity
Average rainfall
Average rainfall days
Average snowfall
Average snowfall days
Average daylight
Average sunshine
Average sunshine days
Average UV index
Average cloud cover
Average visibility
Average temperature in May
Ystradfellte, United Kingdom
  • Average high temperature in May: 13.9°C

The warmest month (with the highest average high temperature) is July (17.8°C).
The month with the lowest average high temperature is January (5.7°C).

  • Average low temperature in May: 6.3°C

The month with the highest average low temperature is August (10.8°C).
The coldest month (with the lowest average low temperature) is February (1.3°C).

Average pressure in May
Ystradfellte, United Kingdom
  • Average pressure in May: 1016.6mbar

The month with the highest atmospheric pressure is May (1016.6mbar).
The month with the lowest atmospheric pressure is November (1009.7mbar).

Average wind speed in May
Ystradfellte, United Kingdom
  • Average wind speed in May: 14.4km/h

The windiest month (with the highest average wind speed) is February (19.6km/h).
The calmest month (with the lowest average wind speed) is June (13.3km/h).

Average humidity in May
Ystradfellte, United Kingdom
  • Average humidity in May: 85%

The months with the highest relative humidity are November and December (92%).
The month with the lowest relative humidity is April (84%).

Average rainfall in May
Ystradfellte, United Kingdom
  • Average rainfall in May: 37mm

The wettest month (with the highest rainfall) is December (79mm).
The driest month (with the least rainfall) is May (37mm).

Average rainfall days in May
Ystradfellte, United Kingdom
  • Average rainfall days in May: 15.8 days

The month with the highest number of rainy days is July (19.1 days).
The month with the least rainy days is February (12.5 days).

Average snowfall in May
Ystradfellte, United Kingdom
  • Average snowfall in May: 4mm

The month with the highest snowfall is January (41mm).
The months with the least snowfall are June, July, August, September and October (0mm).

Average snowfall days in May
Ystradfellte, United Kingdom
  • Average snowfall days in May: 0.3 days

The month with the highest number of snowfall days is February (4.7 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
Ystradfellte, 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: 6h and 3min

The month with the most sunshine is May (Average sunshine: 6h and 30min).
The month with the least sunshine is November (Average sunshine: 2h and 54min).

Average sunshine days in May
Ystradfellte, United Kingdom
  • Average sunshine days in May: 12.3 days

The month with the most sunshine days is March (13.3 days).
The month with the least sunshine days is November (9 days).

Average UV index in May
Ystradfellte, 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
Ystradfellte, United Kingdom
  • Average cloud cover in May: 59

The month with the most cloud cover is November (Cloud cover 73).
The month with the least cloud cover is April (Cloud cover 58).

Average visibility in May
Ystradfellte, United Kingdom
  • Average visibility in May: 8km

The months with the highest visibility are February and March (9km).
The month with the lowest visibility is September (7km).

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