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
Dolwyddelan experiences a recorded average high-temperature of a still fresh 12.7°C (54.9°F) in May, closely aligned with April's 10.4°C (50.7°F). Dolwyddelan's temperature in May lowers to a consistent average of 6.8°C (44.2°F) during the nights.Humidity
The months with the lowest humidity are April and May, with an average relative humidity of 83%.Rainfall
April and May are months with the least rain when the rain falls for 17.7 days and typically aggregates up to 46mm (1.81") of rain.Snowfall
Months with snowfall are January through June, October through December. In May, it is snowing for 0.8 days. Throughout May, 15mm (0.59") of snow is accumulated. In Dolwyddelan, during the entire year, snow falls for 32.9 days and aggregates up to 494mm (19.45") of snow.Daylight
The average length of the day in May is 15h and 52min.On the first day of the month, sunrise is at 5:40 am and sunset at 8:44 pm. On the last day of May, sunrise is at 4:55 am and sunset at 9:30 pm BST.
Sunshine
In May, the average sunshine is 6.8h.UV index
May through August, with an average maximum UV index of 4, are months with the highest UV index. A UV Index reading of 3 to 5 represents a moderate threat to health from exposure to the Sun's UV radiation for average individuals.Note: The maximum UV index of 4 during May leads to these instructions:
Stay alert. Light-skinned people could suffer burns in less than 30 minutes. It's crucial to reduce time in the direct Sun around mid-day due to the intense solar radiation. Opt for tightly woven and loose clothing to enhance protection from the Sun. Be informed! The Sun's UV radiation can be nearly doubled due to the reflection from snow.
Published by: Weather Atlas | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
What is the temperature in May?
What is the least humid month?
What is the average humidity in May in Dolwyddelan?
What is the driest month?
How many days does it rain in May?
How many days does it snow in May?
How many hours of daylight does Dolwyddelan have in May?
What time are sunrise and sunset in May?
How long on average sun shines in May?
When is the highest UV index?
How high is the UV index in May?
Average temperature in May
Dolwyddelan, United Kingdom
- Average high temperature in May: 12.7°C
The warmest month (with the highest average high temperature) is July (16.4°C).
The month with the lowest average high temperature is January (5.8°C).
- Average low temperature in May: 6.8°C
The month with the highest average low temperature is August (11.2°C).
The coldest month (with the lowest average low temperature) is February (2.2°C).
Average pressure in May
Dolwyddelan, United Kingdom
- Average pressure in May: 1016.2mbar
The month with the highest atmospheric pressure is May (1016.2mbar).
The month with the lowest atmospheric pressure is November (1008.9mbar).
Average wind speed in May
Dolwyddelan, United Kingdom
- Average wind speed in May: 14.1km/h
The windiest month (with the highest average wind speed) is December (20.7km/h).
The calmest month (with the lowest average wind speed) is June (12.6km/h).
Average humidity in May
Dolwyddelan, United Kingdom
- Average humidity in May: 83%
The months with the highest relative humidity are January, August, October, November and December (88%).
The months with the lowest relative humidity are April and May (83%).
Average rainfall in May
Dolwyddelan, United Kingdom
- Average rainfall in May: 46mm
The wettest month (with the highest rainfall) is November (79mm).
The driest months (with the least rainfall) are April and May (46mm).
Average rainfall days in May
Dolwyddelan, United Kingdom
- Average rainfall days in May: 17.7 days
The month with the highest number of rainy days is August (20.2 days).
The month with the least rainy days is February (12.3 days).
Average snowfall in May
Dolwyddelan, United Kingdom
- Average snowfall in May: 15mm
The month with the highest snowfall is January (105mm).
The months with the least snowfall are July, August and September (0mm).
Average snowfall days in May
Dolwyddelan, United Kingdom
- Average snowfall days in May: 0.8 days
The month with the highest number of snowfall days is January (8.2 days).
The months with the least snowfall days are July, August and September (0 days).
Average daylight in May /
Average sunshine in May
Dolwyddelan, United Kingdom
- Average daylight in May: 15h and 5min
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 42min).
- Average sunshine in May: 6h and 5min
The month with the most sunshine is June (Average sunshine: 6h and 54min).
The month with the least sunshine is December (Average sunshine: 2h and 54min).
Average sunshine days in May
Dolwyddelan, United Kingdom
- Average sunshine days in May: 11.5 days
The month with the most sunshine days is March (13.9 days).
The months with the least sunshine days are July and August (9.1 days).
Average UV index in May
Dolwyddelan, 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
Dolwyddelan, United Kingdom
- Average cloud cover in May: 55
The month with the most cloud cover is December (Cloud cover 72).
The months with the least cloud cover are April and May (Cloud cover 55).
Average visibility in May
Dolwyddelan, United Kingdom
- Average visibility in May: 9km
The months with the highest visibility are January, February, March, April, May, June, July, August, September, October, November and December (9km).
The months with the lowest visibility are January, February, March, April, May, June, July, August, September, October, November and December (9km).
