May weather forecastTrefonen, United Kingdom
May
Weather in May
May, the last month of the spring in Trefonen, is a refreshing month, with an average temperature fluctuating between 5.7°C (42.3°F) and 14.8°C (58.6°F).Temperature
Upon the beginning of May, Trefonen's high-temperatures register at a refreshing 14.8°C (58.6°F), closely mirroring the preceding month. Trefonen encounters an average low-temperature of 5.7°C (42.3°F) during May nights.Humidity
The months with the lowest humidity in Trefonen are April and May, with an average relative humidity of 83%.Rainfall
In May, the rain falls for 16.6 days. Throughout May, 29mm (1.14") of precipitation is accumulated. In Trefonen, during the entire year, the rain falls for 192.1 days and collects up to 422mm (16.61") of precipitation.Snowfall
In Trefonen, United Kingdom, snow does not fall in May through October.Daylight
In May, the average length of the day is 15h and 50min.On the first day of May in Trefonen, sunrise is at 5:38 am and sunset at 8:40 pm. On the last day of the month, sunrise is at 4:53 am and sunset at 9:26 pm BST.
Sunshine
In May, the average sunshine is 6.8h.UV index
May through August, with an average maximum UV index of 4, are months with the highest UV index in Trefonen, United Kingdom. A UV Index of 3 to 5 symbolizes a medium health hazard from unprotected exposure to Sun's UV rays for the ordinary person.Note: A maximum high daily UV index of 4 during May translates into the following directions:
Be mindful. Those with pale skin might receive burns in fewer than 30 minutes. The Sun is at its harshest during midday; protect yourself by staying in shaded areas and minimizing exposure. Opt for tightly woven and loose clothing to enhance protection from the Sun.
Published by: Weather Atlas | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature in May
Trefonen, United Kingdom
- Average high temperature in May: 14.8°C
The warmest month (with the highest average high temperature) is July (19°C).
The month with the lowest average high temperature is January (6.1°C).
- Average low temperature in May: 5.7°C
The month with the highest average low temperature is August (10.8°C).
The coldest month (with the lowest average low temperature) is January (1°C).
Average pressure in May
Trefonen, United Kingdom
- Average pressure in May: 1016.3mbar
The month with the highest atmospheric pressure is May (1016.3mbar).
The month with the lowest atmospheric pressure is November (1009.3mbar).
Average wind speed in May
Trefonen, United Kingdom
- Average wind speed in May: 12.4km/h
The windiest month (with the highest average wind speed) is February (16.5km/h).
The calmest month (with the lowest average wind speed) is June (11.3km/h).
Average humidity in May
Trefonen, United Kingdom
- Average humidity in May: 83%
The months with the highest relative humidity are November and December (91%).
The months with the lowest relative humidity are April and May (83%).
Average rainfall in May
Trefonen, United Kingdom
- Average rainfall in May: 29mm
The wettest month (with the highest rainfall) is June (54mm).
The driest month (with the least rainfall) is April (27mm).
Average rainfall days in May
Trefonen, United Kingdom
- Average rainfall days in May: 16.6 days
The month with the highest number of rainy days is July (19.8 days).
The month with the least rainy days is February (13.6 days).
Average snowfall in May
Trefonen, United Kingdom
- Average snowfall in May: 0mm
The month with the highest snowfall is January (22mm).
The months with the least snowfall are May, June, July, August, September and October (0mm).
Average snowfall days in May
Trefonen, United Kingdom
- Average snowfall days in May: 0 days
The month with the highest number of snowfall days is January (3.8 days).
The months with the least snowfall days are May, June, July, August, September and October (0 days).
Average daylight in May /
Average sunshine in May
Trefonen, United Kingdom
- Average daylight in May: 15h and 48min
The month with the longest days is June (Average daylight: 16h and 48min).
The month with the shortest days is December (Average daylight: 7h and 42min).
- Average sunshine in May: 6h and 48min
The month with the most sunshine is July (Average sunshine: 7h and 0min).
The month with the least sunshine is November (Average sunshine: 3h and 42min).
Average sunshine days in May
Trefonen, United Kingdom
- Average sunshine days in May: 10.8 days
The month with the most sunshine days is March (12.6 days).
The month with the least sunshine days is July (7.2 days).
Average UV index in May
Trefonen, 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
Trefonen, United Kingdom
- Average cloud cover in May: 57
The month with the most cloud cover is November (Cloud cover 65).
The month with the least cloud cover is April (Cloud cover 55).
Average visibility in May
Trefonen, United Kingdom
- Average visibility in May: 8km
The months with the highest visibility are January, February, March, April, May, June, July and December (8km).
The months with the lowest visibility are August, September, October and November (7km).
