May weather forecast
Llanarmon Dyffryn Ceiriog, United Kingdom

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Weather in May

May, the last month of the spring in Llanarmon Dyffryn Ceiriog, is a refreshing month, with an average temperature varying between 5.1°C (41.2°F) and 14.3°C (57.7°F).

Temperature

The onset of May brings an average high-temperature of a mild 14.3°C (57.7°F), nearly matching the April temperature. In May, Llanarmon Dyffryn Ceiriog records an average nighttime temperature of 5.1°C (41.2°F).

Humidity

The months with the lowest humidity in Llanarmon Dyffryn Ceiriog are April and May, with an average relative humidity of 84%.

Rainfall

In Llanarmon Dyffryn Ceiriog, in May, it is raining for 20.3 days, with typically 43mm (1.69") of accumulated precipitation. In Llanarmon Dyffryn Ceiriog, United Kingdom, during the entire year, the rain falls for 215.1 days and collects up to 570mm (22.44") of precipitation.

Snowfall

Months with snowfall are January through May, November and December. May is the last month it regularly snows in Llanarmon Dyffryn Ceiriog. During 0.1 snowfall days, in May, Llanarmon Dyffryn Ceiriog aggregates 2mm (0.08") of snow. In Llanarmon Dyffryn Ceiriog, during the entire year, snow falls for 16.7 days and aggregates up to 183mm (7.2") of snow.

Daylight

The average length of the day in May in Llanarmon Dyffryn Ceiriog is 15h and 50min.
On the first day of May in Llanarmon Dyffryn Ceiriog, sunrise is at 5:38 am and sunset at 8:41 pm. On the last day of the month, sunrise is at 4:54 am and sunset at 9:27 pm BST.

Sunshine

The average sunshine in May in Llanarmon Dyffryn Ceiriog, United Kingdom, is 5.8h.

UV index

May, June and August, with an average maximum UV index of 4, are months with the highest UV index. A UV Index of 3 to 5 symbolizes a moderate threat to health from unsafe exposure to UV radiation for average individuals.
Note: The daily maximum UV index of 4 in May interprets into the following advice:
Undertake precautions - It is suggested to shield oneself from sunburn. The solar radiation is most powerful near the mid-day, so the exposure to the direct Sun should be reduced accordingly. On bright days sunglasses that block both UVA and UVB rays should be worn. A hat with a wide brim is extremely helpful, as it can prevent roughly 50% of UV radiation from reaching the eyes. Be prepared! The intensity of the Sun's UV radiation can be amplified nearly double due to snow reflection.
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Frequently asked questions

What is the usual temperature for Llanarmon Dyffryn Ceiriog in May?

Llanarmon Dyffryn Ceiriog in May has an average high-temperature of 14.3°C (57.7°F) and an average low-temperature of 5.1°C (41.2°F).

What are the least humid months in Llanarmon Dyffryn Ceiriog?

The months with the lowest humidity in Llanarmon Dyffryn Ceiriog, United Kingdom, are April and May, with an average relative humidity of 84%.

What is the average humidity in May in Llanarmon Dyffryn Ceiriog?

In Llanarmon Dyffryn Ceiriog, United Kingdom, the average relative humidity in May is 84%.

How much does it rain in Llanarmon Dyffryn Ceiriog in May?

In Llanarmon Dyffryn Ceiriog, United Kingdom, during May, the rain falls for 20.3 days and regularly aggregates up to 43mm (1.69") of precipitation.

What is the last month it snows in Llanarmon Dyffryn Ceiriog?

May is the last month it regularly snows in Llanarmon Dyffryn Ceiriog. During 0.1 snowfall days, in May, Llanarmon Dyffryn Ceiriog aggregates 2mm (0.08") of snow.

How many hours of daylight does Llanarmon Dyffryn Ceiriog have in May?

In Llanarmon Dyffryn Ceiriog, United Kingdom, the average day length in May is 15h and 50min.

When are sunrise and sunset in May in Llanarmon Dyffryn Ceiriog?

On the first day of May, sunrise is at 5:38 am and sunset at 8:41 pm. On the last day of the month, sunrise is at 4:54 am and sunset at 9:27 pm BST.

How many hours of sunshine does Llanarmon Dyffryn Ceiriog have in May?

The average sunshine duration in May in Llanarmon Dyffryn Ceiriog, United Kingdom, is 5.8h.

When is the highest UV index in Llanarmon Dyffryn Ceiriog?

The months with the highest UV index in Llanarmon Dyffryn Ceiriog are May, June and August, with an average maximum UV index of 4.

What is the UV index reading in May in Llanarmon Dyffryn Ceiriog?

The average daily maximum UV index in May is 4. A UV Index value of 3 to 5 symbolizes a moderate health threat from exposure to the Sun's UV radiation.
Average humidity
Average rainfall days
Average snowfall days
Average daylight
Average sunshine
Average sunshine days
Average UV index
Average cloud cover
Average visibility

Average temperature in May
Llanarmon Dyffryn Ceiriog, United Kingdom

Average temperature in May - Llanarmon Dyffryn Ceiriog, United Kingdom
  • Average high temperature in May: 14.3°C

The warmest month (with the highest average high temperature) is July (18°C).
The month with the lowest average high temperature is January (5.4°C).

  • Average low temperature in May: 5.1°C

The months with the highest average low temperature are July and August (9.9°C).
The coldest month (with the lowest average low temperature) is February (0.6°C).

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Average pressure in May
Llanarmon Dyffryn Ceiriog, United Kingdom

Average pressure in May - Llanarmon Dyffryn Ceiriog, United Kingdom
  • Average pressure in May: 1016.3mbar

The month with the highest atmospheric pressure is May (1016.3mbar).
The month with the lowest atmospheric pressure is November (1009.2mbar).

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Average wind speed in May
Llanarmon Dyffryn Ceiriog, United Kingdom

Average wind speed in May - Llanarmon Dyffryn Ceiriog, United Kingdom
  • Average wind speed in May: 11.7km/h

The windiest month (with the highest average wind speed) is February (15.4km/h).
The calmest month (with the lowest average wind speed) is June (10.5km/h).

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Average humidity in May
Llanarmon Dyffryn Ceiriog, United Kingdom

Average humidity in May - Llanarmon Dyffryn Ceiriog, United Kingdom
  • Average humidity in May: 84%

The month with the highest relative humidity is November (93%).
The months with the lowest relative humidity are April and May (84%).

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Average rainfall in May
Llanarmon Dyffryn Ceiriog, United Kingdom

Average rainfall in May - Llanarmon Dyffryn Ceiriog, United Kingdom
  • Average rainfall in May: 43mm

The wettest month (with the highest rainfall) is June (71mm).
The driest month (with the least rainfall) is September (36mm).

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Average rainfall days in May
Llanarmon Dyffryn Ceiriog, United Kingdom

Average rainfall days in May - Llanarmon Dyffryn Ceiriog, United Kingdom
  • Average rainfall days in May: 20.3 days

The month with the highest number of rainy days is July (21.9 days).
The months with the least rainy days are January and February (15 days).

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Average snowfall in May
Llanarmon Dyffryn Ceiriog, United Kingdom

Average snowfall in May - Llanarmon Dyffryn Ceiriog, United Kingdom
  • Average snowfall in May: 2mm

The month with the highest snowfall is January (48mm).
The months with the least snowfall are June, July, August, September and October (0mm).

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Average snowfall days in May
Llanarmon Dyffryn Ceiriog, United Kingdom

Average snowfall days in May - Llanarmon Dyffryn Ceiriog, United Kingdom
  • Average snowfall days in May: 0.1 days

The month with the highest number of snowfall days is February (5.2 days).
The months with the least snowfall days are June, July, August, September and October (0 days).

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Average daylight in May /
Average sunshine in May
Llanarmon Dyffryn Ceiriog, United Kingdom

Average daylight in May / Average sunshine in May - Llanarmon Dyffryn Ceiriog, 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: 5h and 5min

The month with the most sunshine is July (Average sunshine: 5h and 54min).
The month with the least sunshine is November (Average sunshine: 2h and 36min).

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Average sunshine days in May
Llanarmon Dyffryn Ceiriog, United Kingdom

Average sunshine days in May - Llanarmon Dyffryn Ceiriog, United Kingdom
  • Average sunshine days in May: 8 days

The month with the most sunshine days is January (10.9 days).
The month with the least sunshine days is July (5.4 days).

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Average UV index in May
Llanarmon Dyffryn Ceiriog, United Kingdom

Average UV index in May - Llanarmon Dyffryn Ceiriog, United Kingdom
  • Average UV index in May: 4

The months with the highest UV index are May, June and August (UV index 4).
The month with the lowest UV index is February (UV index 1).

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Average cloud cover in May
Llanarmon Dyffryn Ceiriog, United Kingdom

Average cloud cover in May - Llanarmon Dyffryn Ceiriog, United Kingdom
  • Average cloud cover in May: 65

The month with the most cloud cover is November (Cloud cover 77).
The month with the least cloud cover is April (Cloud cover 64).

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Average visibility in May
Llanarmon Dyffryn Ceiriog, United Kingdom

Average visibility in May - Llanarmon Dyffryn Ceiriog, United Kingdom
  • Average visibility in May: 7km

The months with the highest visibility are January, February, March, April, May, June, July, August and December (7km).
The months with the lowest visibility are September, October and November (6km).

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Llanarmon Dyffryn Ceiriog, United Kingdom

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