May weather forecastCastlederg, United Kingdom
May
Weather in May
May, the last month of the spring in Castlederg, is a mild month, with an average temperature varying between 5.7°C (42.3°F) and 13.2°C (55.8°F).Temperature
The transition into May reveals an average high-temperature of a moderate 13.2°C (55.8°F), mirroring a close resemblance to April. Castlederg's average low-temperature during May nights is observed to be a cold 5.7°C (42.3°F).Humidity
In May, the average relative humidity is 85%.Rainfall
In Castlederg, in May, it is raining for 20.8 days, with typically 54mm (2.13") of accumulated precipitation. Throughout the year, in Castlederg, there are 240.4 rainfall days, and 703mm (27.68") of precipitation is accumulated.Snowfall
May through October are months without snowfall in Castlederg, United Kingdom.Daylight
In Castlederg, the average length of the day in May is 16h and 7min.On the first day of May in Castlederg, sunrise is at 5:49 am and sunset at 9:05 pm. On the last day of the month, sunrise is at 5:00 am and sunset at 9:55 pm BST.
Sunshine
In May, the average sunshine in Castlederg is 5.6h.UV index
The average daily maximum UV index in May is 3. A UV Index reading of 3 to 5 represents a moderate threat to health from exposure to the Sun's UV radiation for the average person.Note: The daily maximum UV index of 3 in May interprets into the following advice:
Take necessary precautions - Protection from skin and eye injury is mandatory. Avoiding direct sun during mid-day hours can prevent harmful UV radiation exposure. On bright days sunglasses that block both UVA and UVB rays should be worn. A hat with a wide brim is extremely helpful, as it can prevent roughly 50% of UV radiation from reaching the eyes.
Published by: Weather Atlas | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature in May
Castlederg, United Kingdom
- Average high temperature in May: 13.2°C
The warmest month (with the highest average high temperature) is July (16.6°C).
The month with the lowest average high temperature is January (5.9°C).
- Average low temperature in May: 5.7°C
The month with the highest average low temperature is July (9.9°C).
The coldest month (with the lowest average low temperature) is February (1.6°C).
Average pressure in May
Castlederg, United Kingdom
- Average pressure in May: 1015.3mbar
The month with the highest atmospheric pressure is May (1015.3mbar).
The month with the lowest atmospheric pressure is November (1006.8mbar).
Average wind speed in May
Castlederg, United Kingdom
- Average wind speed in May: 13.9km/h
The windiest month (with the highest average wind speed) is January (17.8km/h).
The calmest month (with the lowest average wind speed) is July (11.5km/h).
Average humidity in May
Castlederg, United Kingdom
- Average humidity in May: 85%
The month with the highest relative humidity is December (91%).
The month with the lowest relative humidity is April (84%).
Average rainfall in May
Castlederg, United Kingdom
- Average rainfall in May: 54mm
The wettest month (with the highest rainfall) is August (81mm).
The driest month (with the least rainfall) is April (39mm).
Average rainfall days in May
Castlederg, United Kingdom
- Average rainfall days in May: 20.8 days
The month with the highest number of rainy days is August (25.6 days).
The month with the least rainy days is February (15.8 days).
Average snowfall in May
Castlederg, United Kingdom
- Average snowfall in May: 0mm
The month with the highest snowfall is February (51mm).
The months with the least snowfall are May, June, July, August, September and October (0mm).
Average snowfall days in May
Castlederg, United Kingdom
- Average snowfall days in May: 0 days
The month with the highest number of snowfall days is February (3.5 days).
The months with the least snowfall days are May, June, July, August and September (0 days).
Average daylight in May /
Average sunshine in May
Castlederg, United Kingdom
- Average daylight in May: 16h and 6min
The month with the longest days is June (Average daylight: 17h and 12min).
The month with the shortest days is December (Average daylight: 7h and 18min).
- Average sunshine in May: 5h and 36min
The month with the most sunshine is June (Average sunshine: 6h and 12min).
The month with the least sunshine is January (Average sunshine: 3h and 6min).
Average sunshine days in May
Castlederg, United Kingdom
- Average sunshine days in May: 7.4 days
The month with the most sunshine days is November (9.8 days).
The month with the least sunshine days is August (3.3 days).
Average UV index in May
Castlederg, United Kingdom
- Average UV index in May: 3
The month with the highest UV index is June (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
Castlederg, United Kingdom
- Average cloud cover in May: 64
The month with the most cloud cover is August (Cloud cover 74).
The month with the least cloud cover is April (Cloud cover 61).
Average visibility in May
Castlederg, United Kingdom
- Average visibility in May: 8km
The month with the highest visibility is March (9km).
The months with the lowest visibility are July, August and September (7km).
