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
Gelligaer marks the onset of May with an average high-temperature of a mild 14.3°C (57.7°F), a subtle shift from April's 12°C (53.6°F). The nights of May in Gelligaer anticipate an average low-temperature of 7.6°C (45.7°F).Humidity
In Gelligaer, the average relative humidity in May is 83%.Rainfall
May is the month with the least rainfall in Gelligaer. Rain falls for 13.9 days and accumulates 27mm (1.06") of precipitation.Snowfall
Months with snowfall are January through May, November and December. May is the last month it regularly snows in Gelligaer, United Kingdom. During 0.1 snowfall days, in May, Gelligaer aggregates 1mm (0.04") of snow. Throughout the year, in Gelligaer, United Kingdom, there are 11.3 snowfall days, and 91mm (3.58") 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 Gelligaer, sunrise is at 5:00 am and sunset at 9:20 pm BST.
Sunshine
May has the most sunshine of the year in Gelligaer, with an average of 8h of sunshine.UV index
May through September, with an average maximum UV index of 4, are months with the highest UV index in Gelligaer. A UV Index reading of 3 to 5 represents a medium vulnerability from exposure to the Sun's UV radiation for average individuals.Note: The daily high UV index of 4 in May translates into this advice:
Take heed. Individuals of lighter complexion can be burned in less than half an hour. Considering the Sun's intensity during midday, it's wise to minimize direct exposure. It's wise to wear UVA and UVB-blocking sunglasses when the sun shines brightly. 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
What are the temperatures in Gelligaer in May?
What is the average humidity in May in Gelligaer?
What is the driest month in Gelligaer?
How many days does it rain in May in Gelligaer?
What is the last month it snows in Gelligaer?
How many hours of daylight does Gelligaer have in May?
When is the sunrise / sunset in May in Gelligaer?
What month has the most sunshine in Gelligaer?
How long on average sun shines in May in Gelligaer?
What is the month with the highest UV index in Gelligaer?
How high is the UV index in May in Gelligaer?
Average temperature in May
Gelligaer, United Kingdom
- Average high temperature in May: 14.3°C
The warmest month (with the highest average high temperature) is July (18.7°C).
The month with the lowest average high temperature is January (6.9°C).
- Average low temperature in May: 7.6°C
The months with the highest average low temperature are July and August (12.3°C).
The coldest month (with the lowest average low temperature) is January (3°C).
Average pressure in May
Gelligaer, 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
Gelligaer, United Kingdom
- Average wind speed in May: 15.2km/h
The windiest month (with the highest average wind speed) is February (21.2km/h).
The calmest month (with the lowest average wind speed) is June (14.3km/h).
Average humidity in May
Gelligaer, United Kingdom
- Average humidity in May: 83%
The months with the highest relative humidity are November and December (88%).
The month with the lowest relative humidity is April (82%).
Average rainfall in May
Gelligaer, United Kingdom
- Average rainfall in May: 27mm
The wettest month (with the highest rainfall) is November (66mm).
The driest month (with the least rainfall) is May (27mm).
Average rainfall days in May
Gelligaer, United Kingdom
- Average rainfall days in May: 13.9 days
The month with the highest number of rainy days is November (18.3 days).
The month with the least rainy days is September (12.7 days).
Average snowfall in May
Gelligaer, United Kingdom
- Average snowfall in May: 1mm
The months with the highest snowfall are January, February and November (19mm).
The months with the least snowfall are June, July, August, September and October (0mm).
Average snowfall days in May
Gelligaer, United Kingdom
- Average snowfall days in May: 0.1 days
The month with the highest number of snowfall days is January (3.4 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
Gelligaer, 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 0min
The month with the most sunshine is May (Average sunshine: 8h and 0min).
The month with the least sunshine is November (Average sunshine: 3h and 42min).
Average sunshine days in May
Gelligaer, United Kingdom
- Average sunshine days in May: 14.8 days
The month with the most sunshine days is April (14.9 days).
The month with the least sunshine days is November (8.5 days).
Average UV index in May
Gelligaer, 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, March, November and December (UV index 2).
Average cloud cover in May
Gelligaer, United Kingdom
- Average cloud cover in May: 48
The month with the most cloud cover is November (Cloud cover 63).
The month with the least cloud cover is May (Cloud cover 48).
Average visibility in May
Gelligaer, 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).
