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
With May's arrival, Trefin notes an average high-temperature of a mild 13°C (55.4°F), closely following the trend of the preceding month. Trefin maintains a near steady average temperature of 9.8°C (49.6°F) during the nights of May, demonstrating little drop from daytime highs.Humidity
In Trefin, the average relative humidity in May is 82%.Rainfall
The month with the least rainfall is May, when the rain falls for 14.8 days and typically collects 34mm (1.34") of precipitation.Snowfall
April through October are months without snowfall in Trefin.Daylight
The average length of the day in May in Trefin is 15h and 42min.On the first day of May in Trefin, sunrise is at 5:49 am and sunset at 8:45 pm. On the last day of the month, sunrise is at 5:06 am and sunset at 9:29 pm BST.
Sunshine
May has the most sunshine of the year in Trefin, with an average of 8.5h of sunshine.UV index
May through October, with an average maximum UV index of 4, are months with the highest UV index. A UV Index estimate of 3 to 5 represents a moderate health risk from unsafe exposure to UV radiation for average individuals.Note: The maximum daily UV index, 4 in May, converts into the following recommendations:
Take care. Persons with lighter skin might suffer burns in less than 30 minutes. Avoiding the Sun's peak radiation during midday hours is essential for health and safety. Clothes that are both tight-knit and comfortably loose are prime choices for sun protection.
Published by: Weather Atlas | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
What is the average May temperature in Trefin?
What is the average humidity in May in Trefin?
What is the driest month in Trefin?
How much does it rain in Trefin in May?
When it does not snow in Trefin?
How many hours of daylight does Trefin have in May?
What time are sunrise and sunset in May in Trefin?
What month has the most sunshine in Trefin?
How long on average sun shines in May in Trefin?
What is the month with the highest UV index in Trefin?
What is the UV index reading in May in Trefin?
Average temperature in May
Trefin, United Kingdom
- Average high temperature in May: 13°C
The warmest month (with the highest average high temperature) is August (17°C).
The month with the lowest average high temperature is February (8.3°C).
- Average low temperature in May: 9.8°C
The month with the highest average low temperature is August (14.7°C).
The coldest month (with the lowest average low temperature) is February (5.8°C).
Average pressure in May
Trefin, United Kingdom
- Average pressure in May: 1016.6mbar
The month with the highest atmospheric pressure is May (1016.6mbar).
The month with the lowest atmospheric pressure is November (1009.4mbar).
Average wind speed in May
Trefin, United Kingdom
- Average wind speed in May: 19.5km/h
The windiest month (with the highest average wind speed) is December (30.8km/h).
The calmest month (with the lowest average wind speed) is June (18.8km/h).
Average humidity in May
Trefin, United Kingdom
- Average humidity in May: 82%
The month with the highest relative humidity is July (84%).
The month with the lowest relative humidity is November (80%).
Average rainfall in May
Trefin, United Kingdom
- Average rainfall in May: 34mm
The wettest month (with the highest rainfall) is November (108mm).
The driest month (with the least rainfall) is May (34mm).
Average rainfall days in May
Trefin, United Kingdom
- Average rainfall days in May: 14.8 days
The month with the highest number of rainy days is November (23.2 days).
The month with the least rainy days is May (14.8 days).
Average snowfall in May
Trefin, United Kingdom
- Average snowfall in May: 0mm
The months with the highest snowfall are January and February (6mm).
The months with the least snowfall are April, May, June, July, August, September and October (0mm).
Average snowfall days in May
Trefin, United Kingdom
- Average snowfall days in May: 0 days
The months with the highest number of snowfall days are January and February (0.8 days).
The months with the least snowfall days are April, May, June, July, August, September and October (0 days).
Average daylight in May /
Average sunshine in May
Trefin, 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 3min
The month with the most sunshine is May (Average sunshine: 8h and 30min).
The month with the least sunshine is December (Average sunshine: 3h and 42min).
Average sunshine days in May
Trefin, United Kingdom
- Average sunshine days in May: 13.7 days
The month with the most sunshine days is May (13.7 days).
The months with the least sunshine days are November and December (4.5 days).
Average UV index in May
Trefin, United Kingdom
- Average UV index in May: 4
The months with the highest UV index are May, June, July, August, September and October (UV index 4).
The months with the lowest UV index are January, February and December (UV index 2).
Average cloud cover in May
Trefin, United Kingdom
- Average cloud cover in May: 45
The months with the most cloud cover are November and December (Cloud cover 63).
The month with the least cloud cover is May (Cloud cover 45).
Average visibility in May
Trefin, United Kingdom
- Average visibility in May: 10km
The months with the highest visibility are February, March, May, June, July, August, September and October (10km).
The months with the lowest visibility are January, April, November and December (9km).
