May weather forecastBlaina, United Kingdom
May
Weather in May
The last month of the spring, May, is a moderate month in Blaina, United Kingdom, with an average temperature varying between 14.2°C (57.6°F) and 6.8°C (44.2°F).Temperature
In the transition from April to May, Blaina reports an average high-temperature of a mild 14.2°C (57.6°F), indicating a close resemblance to the prior month. During the month of May, Blaina's nighttime temperature lowers to an average of 6.8°C (44.2°F).Humidity
April and May, with an average relative humidity of 84%, are the least humid months in Blaina.Rainfall
April, May and September are months with the least rain in Blaina when the rain falls for 16.3 days and typically aggregates up to 35mm (1.38") of rain.Snowfall
Months with snowfall are January through May, November and December. May is the last month it regularly snows. During 0.1 snowfall days, in May, Blaina aggregates 2mm (0.08") of snow. Throughout the year, there are 14.5 snowfall days, and 136mm (5.35") of snow is accumulated.Daylight
The average length of the day in May is 15h and 40min.On the first day of the month, sunrise is at 5:42 am and sunset at 8:37 pm. On the last day of May, in Blaina, sunrise is at 4:59 am and sunset at 9:20 pm BST.
Sunshine
In May, the average sunshine in Blaina, United Kingdom, is 7.5h.UV index
May through August, with an average maximum UV index of 4, are months with the highest UV index. A UV Index value of 3 to 5 symbolizes a medium vulnerability from exposure to the Sun's UV rays for ordinary individuals.Note: The maximum daily UV index of 4 during May translates into the following directions:
Act with care - The need to guard against sun damage is communicated. The best time to avoid the Sun's harmful UV radiation is during midday when it's most potent. By wearing a generously brimmed hat, you can cut UV radiation exposure significantly. Take precaution! The reflection from snow can almost double the UV radiation of the Sun.
Published by: Weather Atlas | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature in May
Blaina, United Kingdom
- Average high temperature in May: 14.2°C
The warmest month (with the highest average high temperature) is July (18.4°C).
The month with the lowest average high temperature is January (6.2°C).
- Average low temperature in May: 6.8°C
The month with the highest average low temperature is August (11.6°C).
The coldest month (with the lowest average low temperature) is January (2.2°C).
Average pressure in May
Blaina, United Kingdom
- Average pressure in May: 1016.6mbar
The months with the highest atmospheric pressure are May and September (1016.6mbar).
The month with the lowest atmospheric pressure is November (1009.8mbar).
Average wind speed in May
Blaina, United Kingdom
- Average wind speed in May: 14.4km/h
The windiest month (with the highest average wind speed) is February (20.2km/h).
The calmest month (with the lowest average wind speed) is June (13.5km/h).
Average humidity in May
Blaina, United Kingdom
- Average humidity in May: 84%
The months with the highest relative humidity are November and December (90%).
The months with the lowest relative humidity are April and May (84%).
Average rainfall in May
Blaina, United Kingdom
- Average rainfall in May: 35mm
The wettest month (with the highest rainfall) is November (75mm).
The driest months (with the least rainfall) are April, May and September (35mm).
Average rainfall days in May
Blaina, United Kingdom
- Average rainfall days in May: 16.3 days
The months with the highest number of rainy days are July and November (19.1 days).
The month with the least rainy days is February (12.8 days).
Average snowfall in May
Blaina, United Kingdom
- Average snowfall in May: 2mm
The month with the highest snowfall is January (37mm).
The months with the least snowfall are June, July, August, September and October (0mm).
Average snowfall days in May
Blaina, United Kingdom
- Average snowfall days in May: 0.1 days
The months with the highest number of snowfall days are January and February (3.9 days).
The months with the least snowfall days are June, July, August, September and October (0 days).
Average daylight in May /
Average sunshine in May
Blaina, United Kingdom
- Average daylight in May: 15h and 42min
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: 7h and 30min
The month with the most sunshine is July (Average sunshine: 7h and 36min).
The month with the least sunshine is November (Average sunshine: 3h and 30min).
Average sunshine days in May
Blaina, United Kingdom
- Average sunshine days in May: 11.5 days
The months with the most sunshine days are March and April (12.3 days).
The month with the least sunshine days is November (7.3 days).
Average UV index in May
Blaina, 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
Blaina, United Kingdom
- Average cloud cover in May: 51
The month with the most cloud cover is November (Cloud cover 65).
The months with the least cloud cover are April and May (Cloud cover 51).
Average visibility in May
Blaina, United Kingdom
- Average visibility in May: 9km
The months with the highest visibility are January, February, March, April, May, June and December (9km).
The months with the lowest visibility are July, August, September, October and November (8km).
