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
The onset of May manifests an average high-temperature of a moderate 13.5°C (56.3°F), demonstrating a minor variation from the preceding month. During May, Trefnant experiences a consistent low-temperature average of 6.8°C (44.2°F).Humidity
The months with the lowest humidity in Trefnant, United Kingdom, are April and May, with an average relative humidity of 82%.Rainfall
In Trefnant, United Kingdom, in May, during 14.7 rainfall days, 21mm (0.83") of precipitation is typically accumulated. Throughout the year, there are 176 rainfall days, and 343mm (13.5") of precipitation is accumulated.Snowfall
May through September are months without snowfall in Trefnant.Daylight
The average length of the day in May is 15h and 53min.On the first day of May, sunrise is at 5:38 am and sunset at 8:43 pm. On the last day of the month, sunrise is at 4:53 am and sunset at 9:29 pm BST.
Sunshine
May has the most sunshine of the year in Trefnant, with an average of 7.2h of sunshine.UV index
May through August, with an average maximum UV index of 4, are months with the highest UV index in Trefnant. A UV Index of 3 to 5 symbolizes a moderate threat to health from unsafe exposure to UV radiation for the average person.Note: The maximum daily UV index of 4 in May converts into the following recommendations:
Preventative actions are necessary - Recommendations to ward off sunburn are given. Avoiding direct sun during mid-day hours can prevent harmful UV radiation exposure. Protect your eyes, ears, face, and neck from the Sun by wearing a wide-brimmed hat.
Frequently asked questions
What is the average May temperature in Trefnant?
What are the least humid months in Trefnant?
What is the average humidity in May in Trefnant?
How much does it rain in Trefnant in May?
When it does not snow in Trefnant?
Does it snow in Trefnant in May?
What is the average length of the day in May in Trefnant?
When are sunrise and sunset in May in Trefnant?
What month has the most sunshine in Trefnant?
How long on average sun shines in May in Trefnant?
When is the highest UV index in Trefnant?
How high is the UV index in May in Trefnant?
Average temperature in May
Trefnant, United Kingdom
- Average high temperature in May: 13.5°C
The warmest month (with the highest average high temperature) is July (17.5°C).
The months with the lowest average high temperature are January and February (6.3°C).
- Average low temperature in May: 6.8°C
The month with the highest average low temperature is August (11.8°C).
The coldest months (with the lowest average low temperature) are January and February (2.5°C).
Average pressure in May
Trefnant, United Kingdom
- Average pressure in May: 1016.2mbar
The month with the highest atmospheric pressure is May (1016.2mbar).
The month with the lowest atmospheric pressure is November (1009mbar).
Average wind speed in May
Trefnant, United Kingdom
- Average wind speed in May: 13.9km/h
The windiest month (with the highest average wind speed) is December (19.5km/h).
The calmest month (with the lowest average wind speed) is June (12.4km/h).
Average humidity in May
Trefnant, United Kingdom
- Average humidity in May: 82%
The months with the highest relative humidity are January, November and December (88%).
The months with the lowest relative humidity are April and May (82%).
Average rainfall in May
Trefnant, United Kingdom
- Average rainfall in May: 21mm
The wettest month (with the highest rainfall) is November (39mm).
The driest month (with the least rainfall) is April (20mm).
Average rainfall days in May
Trefnant, United Kingdom
- Average rainfall days in May: 14.7 days
The month with the highest number of rainy days is November (17.6 days).
The month with the least rainy days is February (11.7 days).
Average snowfall in May
Trefnant, United Kingdom
- Average snowfall in May: 0mm
The month with the highest snowfall is January (35mm).
The months with the least snowfall are May, June, July, August and September (0mm).
Average snowfall days in May
Trefnant, United Kingdom
- Average snowfall days in May: 0 days
The month with the highest number of snowfall days is February (5.8 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
Trefnant, United Kingdom
- Average daylight in May: 15h and 5min
The month with the longest days is June (Average daylight: 16h and 54min).
The month with the shortest days is December (Average daylight: 7h and 36min).
- Average sunshine in May: 7h and 1min
The month with the most sunshine is May (Average sunshine: 7h and 12min).
The month with the least sunshine is November (Average sunshine: 3h and 12min).
Average sunshine days in May
Trefnant, United Kingdom
- Average sunshine days in May: 13 days
The month with the most sunshine days is April (13.1 days).
The month with the least sunshine days is November (7.9 days).
Average UV index in May
Trefnant, 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
Trefnant, United Kingdom
- Average cloud cover in May: 53
The month with the most cloud cover is November (Cloud cover 68).
The months with the least cloud cover are April and May (Cloud cover 53).
Average visibility in May
Trefnant, 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).
Trefnant, United Kingdom
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