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
May's onset sees an average high-temperature of a mild 13.8°C (56.8°F), exhibiting a slight fluctuation from the previous month. Alltmawr experiences a nighttime temperature average of 5.5°C (41.9°F) during May.Humidity
April and May, with an average relative humidity of 85%, are the least humid months.Rainfall
In Alltmawr, in May, during 14.8 rainfall days, 28mm (1.1") of precipitation is typically accumulated. Throughout the year, there are 192.1 rainfall days, and 471mm (18.54") of precipitation is accumulated.Snowfall
January through May, November and December are months with snowfall in Alltmawr. May is the last month it regularly snows. During 0.1 snowfall days, in May, Alltmawr aggregates 2mm (0.08") of snow. In Alltmawr, during the entire year, snow falls for 17.1 days and aggregates up to 120mm (4.72") of snow.Daylight
In Alltmawr, the average length of the day in May is 15h and 43min.On the first day of the month, sunrise is at 5:41 am and sunset at 8:39 pm. On the last day of May, sunrise is at 4:58 am and sunset at 9:23 pm BST.
Sunshine
May has the most sunshine of the year in Alltmawr, United Kingdom, with an average of 6.4h of sunshine.UV index
The months with the highest UV index in Alltmawr are May through August, with an average maximum UV index of 4. A UV Index value of 3 to 5 symbolizes a medium vulnerability from exposure to the Sun's UV rays for the average person.Note: The daily maximum UV index of 4 in May interprets into the following advice:
Take precautions. Light skin individuals may get burned in less than 30 minutes. Sun exposure should be minimized, especially during midday, to avoid harmful UV radiation. Select sunglasses that boast both UVA and UVB protection to limit the adverse effects of the sun on the eyes. Forewarned is forearmed! The Sun's UV radiation can be almost doubled in intensity by snow reflection.
Published by: Weather Atlas | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
What are the temperatures in Alltmawr in May?
What is the least humid month in Alltmawr?
What is the average humidity in May in Alltmawr?
How much does it rain in Alltmawr in May?
What is the last month it snows in Alltmawr?
How many hours of daylight does Alltmawr have in May?
When is the sunrise / sunset in May in Alltmawr?
What month has the most sunshine in Alltmawr?
How many hours of sunshine does Alltmawr have in May?
When is the highest UV index in Alltmawr?
What is the UV index reading in May in Alltmawr?
Average temperature in May
Alltmawr, United Kingdom
- Average high temperature in May: 13.8°C
The warmest month (with the highest average high temperature) is July (17.7°C).
The month with the lowest average high temperature is January (5.3°C).
- Average low temperature in May: 5.5°C
The month with the highest average low temperature is August (10.3°C).
The coldest months (with the lowest average low temperature) are January and February (0.9°C).
Average pressure in May
Alltmawr, United Kingdom
- Average pressure in May: 1016.5mbar
The month with the highest atmospheric pressure is May (1016.5mbar).
The month with the lowest atmospheric pressure is November (1009.6mbar).
Average wind speed in May
Alltmawr, United Kingdom
- Average wind speed in May: 14.1km/h
The windiest month (with the highest average wind speed) is February (19km/h).
The calmest month (with the lowest average wind speed) is June (12.7km/h).
Average humidity in May
Alltmawr, United Kingdom
- Average humidity in May: 85%
The months with the highest relative humidity are January, November and December (92%).
The months with the lowest relative humidity are April and May (85%).
Average rainfall in May
Alltmawr, United Kingdom
- Average rainfall in May: 28mm
The wettest month (with the highest rainfall) is November (52mm).
The driest month (with the least rainfall) is September (27mm).
Average rainfall days in May
Alltmawr, United Kingdom
- Average rainfall days in May: 14.8 days
The months with the highest number of rainy days are July and November (18.7 days).
The months with the least rainy days are February and September (13.7 days).
Average snowfall in May
Alltmawr, United Kingdom
- Average snowfall in May: 2mm
The month with the highest snowfall is February (30mm).
The months with the least snowfall are June, July, August, September and October (0mm).
Average snowfall days in May
Alltmawr, United Kingdom
- Average snowfall days in May: 0.1 days
The month with the highest number of snowfall days is February (5 days).
The months with the least snowfall days are June, July, August and September (0 days).
Average daylight in May /
Average sunshine in May
Alltmawr, United Kingdom
- Average daylight in May: 15h and 4min
The month with the longest days is June (Average daylight: 16h and 42min).
The month with the shortest days is December (Average daylight: 7h and 48min).
- Average sunshine in May: 6h and 2min
The month with the most sunshine is May (Average sunshine: 6h and 24min).
The month with the least sunshine is November (Average sunshine: 2h and 54min).
Average sunshine days in May
Alltmawr, United Kingdom
- Average sunshine days in May: 11.7 days
The month with the most sunshine days is April (12.5 days).
The month with the least sunshine days is November (7.2 days).
Average UV index in May
Alltmawr, 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
Alltmawr, United Kingdom
- Average cloud cover in May: 60
The month with the most cloud cover is November (Cloud cover 73).
The months with the least cloud cover are April and May (Cloud cover 60).
Average visibility in May
Alltmawr, United Kingdom
- Average visibility in May: 8km
The months with the highest visibility are January, February, March, April, May, June, July and December (8km).
The months with the lowest visibility are August, September, October and November (7km).
