May weather forecastMoelfre, United Kingdom
May
Weather in May
May, the last month of the spring in Moelfre, is another cool month, with an average temperature varying between 12.4°C (54.3°F) and 9.3°C (48.7°F).Temperature
Moelfre marks the start of May with an average high-temperature of a still fresh 12.4°C (54.3°F), hinting at a slight fluctuation from April's 10.5°C (50.9°F). Moelfre experiences a subtle drop in temperature during the May nights, recording an average of 9.3°C (48.7°F).Humidity
The average relative humidity in May is 82%.Rainfall
April and May are months with the least rain when the rain falls for 13.8 days and typically aggregates up to 21mm (0.83") of rain.Snowfall
April through October are months without snowfall.Sea temperature
In Moelfre, in May, the average water temperature is 10.6°C (51.1°F).Note: Taking a dip in 10.6°C (51.1°F) can be perilous. Submersion in temperatures under 10°C (50°F) triggers severe cold shock accompanied by hyperventilation.
Daylight
In Moelfre, the average length of the day in May is 15h and 55min.On the first day of the month, sunrise is at 5:41 am and sunset at 8:46 pm. On the last day of May, sunrise is at 4:55 am and sunset at 9:33 pm BST.
Sunshine
The month with the most sunshine is May, with an average of 8.4h of sunshine.UV index
The months with the highest UV index are May through September, with an average maximum UV index of 4. A UV Index of 3 to 5 symbolizes a medium health hazard from exposure to the Sun's UV radiation for ordinary individuals.Note: An average UV index of 4 in May transforms into this advice:
Take precautions - Protection against sun damage is advised. Avoid the Sun's strongest UV rays by seeking shade and limiting exposure during midday. To best shield against UV radiation, choose sun-safe garments and dependable sunglasses.
Published by: Weather Atlas | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature in May
Moelfre, United Kingdom
- Average high temperature in May: 12.4°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 (7.3°C).
- Average low temperature in May: 9.3°C
The month with the highest average low temperature is August (14.1°C).
The coldest month (with the lowest average low temperature) is February (5°C).
Average pressure in May
Moelfre, 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
Moelfre, United Kingdom
- Average wind speed in May: 19.2km/h
The windiest month (with the highest average wind speed) is December (28.6km/h).
The calmest month (with the lowest average wind speed) is June (17.2km/h).
Average humidity in May
Moelfre, United Kingdom
- Average humidity in May: 82%
The months with the highest relative humidity are July and August (84%).
The months with the lowest relative humidity are April and November (80%).
Average rainfall in May
Moelfre, United Kingdom
- Average rainfall in May: 21mm
The wettest month (with the highest rainfall) is November (51mm).
The driest months (with the least rainfall) are April and May (21mm).
Average rainfall days in May
Moelfre, United Kingdom
- Average rainfall days in May: 13.8 days
The month with the highest number of rainy days is August (19.9 days).
The month with the least rainy days is June (13.2 days).
Average snowfall in May
Moelfre, United Kingdom
- Average snowfall in May: 0mm
The month with the highest snowfall is January (10mm).
The months with the least snowfall are April, May, June, July, August, September and October (0mm).
Average snowfall days in May
Moelfre, United Kingdom
- Average snowfall days in May: 0 days
The month with the highest number of snowfall days is February (2.1 days).
The months with the least snowfall days are May, June, July, August, September and October (0 days).
Average sea temperature in May
Moelfre, United Kingdom
- Average sea temperature in May: 10.6°C
The best month for swimming (with the highest average sea temperature) is August (15.7°C).
The coldest month (with the lowest average sea temperature) is March (7.9°C).
Average daylight in May /
Average sunshine in May
Moelfre, 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 24min
The month with the most sunshine is May (Average sunshine: 8h and 24min).
The month with the least sunshine is December (Average sunshine: 3h and 42min).
Average sunshine days in May
Moelfre, United Kingdom
- Average sunshine days in May: 14.5 days
The month with the most sunshine days is June (14.7 days).
The month with the least sunshine days is December (6.2 days).
Average UV index in May
Moelfre, 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, November and December (UV index 2).
Average cloud cover in May
Moelfre, 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
Moelfre, United Kingdom
- Average visibility in May: 10km
The months with the highest visibility are January, February, March, April, May, June, July, August, September, October, November and December (10km).
The months with the lowest visibility are January, February, March, April, May, June, July, August, September, October, November and December (10km).





