May weather forecastLlanfachraeth, United Kingdom
May
Weather in May
The last month of the spring, May, is another cool month in Llanfachraeth, United Kingdom, with an average temperature ranging between min 9.8°C (49.6°F) and max 12.2°C (54°F).Temperature
The commencement of May introduces an average high-temperature of a still cool 12.2°C (54°F), closely mirroring the preceding month. Consistently, Llanfachraeth reports average nighttime temperatures of 9.8°C (49.6°F) during May, a marginal step down from its daytime highs.Humidity
In Llanfachraeth, United Kingdom, the average relative humidity in May is 82%.Rainfall
May is the month with the least rainfall in Llanfachraeth. Rain falls for 16.4 days and accumulates 36mm (1.42") of precipitation.Snowfall
April through October are months without snowfall in Llanfachraeth.Daylight
In Llanfachraeth, United Kingdom, the average length of the day in May is 15h and 54min.On the first day of the month, sunrise is at 5:42 am and sunset at 8:47 pm. On the last day of May, in Llanfachraeth, sunrise is at 4:57 am and sunset at 9:34 pm BST.
Sunshine
With an average of 8.5h of sunshine, May has the most sunshine of the year in Llanfachraeth.UV index
The months with the highest UV index are May through September, with an average maximum UV index of 4. A UV Index reading of 3 to 5 represents a moderate threat to health from exposure to the Sun's UV radiation for ordinary individuals.Note: The maximum UV index of 4 during May leads to these instructions:
Take necessary precautions - Defending against sun damage is advocated. When the Sun's UV radiation is most intense during midday, it's best to find shade and limit exposure. Enhance your sun protection with tightly woven, yet airy clothing.
Published by: Weather Atlas | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature in May
Llanfachraeth, United Kingdom
- Average high temperature in May: 12.2°C
The warmest month (with the highest average high temperature) is August (16.6°C).
The month with the lowest average high temperature is February (7.8°C).
- Average low temperature in May: 9.8°C
The month with the highest average low temperature is August (14.3°C).
The coldest month (with the lowest average low temperature) is February (5.8°C).
Average pressure in May
Llanfachraeth, United Kingdom
- Average pressure in May: 1016.1mbar
The month with the highest atmospheric pressure is May (1016.1mbar).
The month with the lowest atmospheric pressure is November (1008.7mbar).
Average wind speed in May
Llanfachraeth, United Kingdom
- Average wind speed in May: 20.7km/h
The windiest month (with the highest average wind speed) is December (31.3km/h).
The calmest month (with the lowest average wind speed) is June (18.7km/h).
Average humidity in May
Llanfachraeth, United Kingdom
- Average humidity in May: 82%
The months with the highest relative humidity are July and August (84%).
The month with the lowest relative humidity is November (79%).
Average rainfall in May
Llanfachraeth, United Kingdom
- Average rainfall in May: 36mm
The wettest month (with the highest rainfall) is November (87mm).
The driest month (with the least rainfall) is May (36mm).
Average rainfall days in May
Llanfachraeth, United Kingdom
- Average rainfall days in May: 16.4 days
The month with the highest number of rainy days is August (23.4 days).
The month with the least rainy days is April (15.6 days).
Average snowfall in May
Llanfachraeth, United Kingdom
- Average snowfall in May: 0mm
The months with the highest snowfall are January and December (4mm).
The months with the least snowfall are April, May, June, July, August, September and October (0mm).
Average snowfall days in May
Llanfachraeth, United Kingdom
- Average snowfall days in May: 0 days
The month with the highest number of snowfall days is January (1 days).
The months with the least snowfall days are April, May, June, July, August, September and October (0 days).
Average daylight in May /
Average sunshine in May
Llanfachraeth, United Kingdom
- Average daylight in May: 15h and 54min
The month with the longest days is June (Average daylight: 16h and 54min).
The month with the shortest days is December (Average daylight: 7h and 36min).
- Average sunshine in May: 8h and 30min
The month with the most sunshine is May (Average sunshine: 8h and 30min).
The month with the least sunshine is December (Average sunshine: 3h and 36min).
Average sunshine days in May
Llanfachraeth, United Kingdom
- Average sunshine days in May: 12.3 days
The month with the most sunshine days is May (12.3 days).
The month with the least sunshine days is December (4.3 days).
Average UV index in May
Llanfachraeth, United Kingdom
- Average UV index in May: 4
The months with the highest UV index are May, June, July, August and September (UV index 4).
The months with the lowest UV index are January, February and December (UV index 2).
Average cloud cover in May
Llanfachraeth, United Kingdom
- Average cloud cover in May: 46
The month with the most cloud cover is December (Cloud cover 65).
The month with the least cloud cover is May (Cloud cover 46).
Average visibility in May
Llanfachraeth, United Kingdom
- Average visibility in May: 10km
The months with the highest visibility are February, March, April, May, June, July, August, September, October, November and December (10km).
The month with the lowest visibility is January (9km).





