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
Weather in May
Temperature
During May, the average high-temperature is a mild 14.5°C (58.1°F), maintaining a close resemblance to that of the preceding month. During May, an average low-temperature of 8.3°C (46.9°F) is observed in Llanwern.Humidity
The months with the lowest humidity in Llanwern are March through May, with an average relative humidity of 82%.Rainfall
In Llanwern, in May, during 14.5 rainfall days, 30mm (1.18") of precipitation is typically accumulated. Throughout the year, there are 184.4 rainfall days, and 507mm (19.96") of precipitation is accumulated.Snowfall
In Llanwern, snow does not fall in April through October.Daylight
In May, the average length of the day is 15h and 39min.On the first day of May in Llanwern, sunrise is at 5:41 am and sunset at 8:35 pm. On the last day of the month, sunrise is at 4:59 am and sunset at 9:19 pm BST.
Sunshine
The average sunshine in May is 8.1h.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 medium vulnerability from unsafe exposure to UV radiation for the average person.Note: A daily high UV index of 4 in May leads to these guidelines:
Ensure safety - Recommendations to avert sunburn are presented. Avoid the Sun's strongest UV rays by seeking shade and limiting exposure during midday. By wearing a generously brimmed hat, you can cut UV radiation exposure significantly.
Frequently asked questions
What is the usual temperature for Llanwern in May?
What is the least humid month in Llanwern?
What is the average humidity in May in Llanwern?
How much does it rain in Llanwern in May?
When it does not snow in Llanwern?
How many hours of daylight does Llanwern have in May?
When is the sunrise / sunset in May in Llanwern?
How long on average sun shines in May in Llanwern?
When is the highest UV index in Llanwern?
What is the UV index intensity in May in Llanwern?
Average temperature in May
Llanwern, United Kingdom
- Average high temperature in May: 14.5°C
The warmest month (with the highest average high temperature) is July (18.9°C).
The month with the lowest average high temperature is January (7.3°C).
- Average low temperature in May: 8.3°C
The month with the highest average low temperature is August (13.2°C).
The coldest month (with the lowest average low temperature) is February (3.6°C).
Average pressure in May
Llanwern, United Kingdom
- Average pressure in May: 1016.7mbar
The months with the highest atmospheric pressure are May and September (1016.7mbar).
The month with the lowest atmospheric pressure is November (1009.9mbar).
Average wind speed in May
Llanwern, United Kingdom
- Average wind speed in May: 15.6km/h
The windiest month (with the highest average wind speed) is February (22km/h).
The calmest months (with the lowest average wind speed) are June and July (14.9km/h).
Average humidity in May
Llanwern, United Kingdom
- Average humidity in May: 82%
The months with the highest relative humidity are January, November and December (86%).
The months with the lowest relative humidity are March, April and May (82%).
Average rainfall in May
Llanwern, United Kingdom
- Average rainfall in May: 30mm
The wettest month (with the highest rainfall) is November (64mm).
The driest month (with the least rainfall) is April (27mm).
Average rainfall days in May
Llanwern, United Kingdom
- Average rainfall days in May: 14.5 days
The month with the highest number of rainy days is November (18.8 days).
The month with the least rainy days is April (12.7 days).
Average snowfall in May
Llanwern, United Kingdom
- Average snowfall in May: 0mm
The month with the highest snowfall is January (6mm).
The months with the least snowfall are April, May, June, July, August, September and October (0mm).
Average snowfall days in May
Llanwern, United Kingdom
- Average snowfall days in May: 0 days
The month with the highest number of snowfall days is January (1.6 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
Llanwern, 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: 8h and 1min
The month with the most sunshine is July (Average sunshine: 8h and 12min).
The month with the least sunshine is November (Average sunshine: 4h and 0min).
Average sunshine days in May
Llanwern, United Kingdom
- Average sunshine days in May: 14.1 days
The month with the most sunshine days is April (14.7 days).
The month with the least sunshine days is November (8 days).
Average UV index in May
Llanwern, 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
Llanwern, United Kingdom
- Average cloud cover in May: 47
The month with the most cloud cover is November (Cloud cover 60).
The months with the least cloud cover are April and May (Cloud cover 47).
Average visibility in May
Llanwern, 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).
Llanwern, United Kingdom
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