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
May's arrival coincides with a marginal rise in the average high-temperature, moving from April's refreshing 15.5°C (59.9°F) to a comfortable 19.6°C (67.3°F). May nights in Trefacio experience a consistent temperature drop to a chilly 8°C (46.4°F).Humidity
In May, the average relative humidity in Trefacio, Spain, is 69%.Rainfall
In Trefacio, during May, the rain falls for 14.3 days and regularly aggregates up to 42mm (1.65") of precipitation. In Trefacio, during the entire year, the rain falls for 141.4 days and collects up to 527mm (20.75") of precipitation.Snowfall
In Trefacio, snow does not fall in April through October.Daylight
The average length of the day in May in Trefacio is 14h and 35min.On the first day of May in Trefacio, Spain, sunrise is at 07:21 and sunset at 21:25. On the last day of the month, sunrise is at 06:53 and sunset at 21:55 CEST.
Sunshine
In May, the average sunshine is 10.1h.UV index
The average daily maximum UV index in May is 5. A UV Index reading of 3 to 5 represents a moderate threat to health from exposure to the Sun's UV rays for ordinary individuals.Note: In May, the maximum UV index of 5 translates into these guidelines:
Ensure safety - Imperative it is to shield skin and eyes from damage. The Sun is most powerful around mid-day, so it's a good practice to reduce direct exposure. Sunglasses that guard against UVA and UVB rays are pivotal in minimizing sun-induced ocular damage.
Published by: Weather Atlas | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
What is the average May temperature in Trefacio?
What is the average humidity in May in Trefacio?
How many days does it rain in May in Trefacio?
When it does not snow in Trefacio?
What is the average length of the day in May in Trefacio?
What time are sunrise and sunset in May in Trefacio?
How long on average sun shines in May in Trefacio?
What is the UV index reading in May in Trefacio?
Average temperature in May
Trefacio, Spain
- Average high temperature in May: 19.6°C
The warmest month (with the highest average high temperature) is August (28.3°C).
The month with the lowest average high temperature is January (8.3°C).
- Average low temperature in May: 8°C
The month with the highest average low temperature is July (13.8°C).
The coldest month (with the lowest average low temperature) is February (1.2°C).
Average pressure in May
Trefacio, Spain
- Average pressure in May: 1016.7mbar
The month with the highest atmospheric pressure is December (1022.9mbar).
The month with the lowest atmospheric pressure is April (1015.4mbar).
Average wind speed in May
Trefacio, Spain
- Average wind speed in May: 9.4km/h
The windiest month (with the highest average wind speed) is March (11.2km/h).
The calmest month (with the lowest average wind speed) is September (8.3km/h).
Average humidity in May
Trefacio, Spain
- Average humidity in May: 69%
The month with the highest relative humidity is January (85%).
The month with the lowest relative humidity is August (52%).
Average rainfall in May
Trefacio, Spain
- Average rainfall in May: 42mm
The wettest month (with the highest rainfall) is November (73mm).
The driest month (with the least rainfall) is August (11mm).
Average rainfall days in May
Trefacio, Spain
- Average rainfall days in May: 14.3 days
The month with the highest number of rainy days is April (17.6 days).
The month with the least rainy days is August (4.2 days).
Average snowfall in May
Trefacio, Spain
- Average snowfall in May: 0mm
The month with the highest snowfall is February (19mm).
The months with the least snowfall are April, May, June, July, August, September and October (0mm).
Average snowfall days in May
Trefacio, Spain
- Average snowfall days in May: 0 days
The month with the highest number of snowfall days is January (2.1 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
Trefacio, Spain
- Average daylight in May: 14h and 4min
The month with the longest days is June (Average daylight: 15h and 12min).
The month with the shortest days is December (Average daylight: 9h and 12min).
- Average sunshine in May: 10h and 1min
The month with the most sunshine is July (Average sunshine: 11h and 48min).
The month with the least sunshine is January (Average sunshine: 4h and 48min).
Average sunshine days in May
Trefacio, Spain
- Average sunshine days in May: 14.4 days
The month with the most sunshine days is August (24.5 days).
The month with the least sunshine days is April (10.8 days).
Average UV index in May
Trefacio, Spain
- Average UV index in May: 5
The month with the highest UV index is July (UV index 6).
The months with the lowest UV index are January, February, November and December (UV index 2).
Average cloud cover in May
Trefacio, Spain
- Average cloud cover in May: 32
The month with the most cloud cover is January (Cloud cover 50).
The months with the least cloud cover are July and August (Cloud cover 13).
Average visibility in May
Trefacio, Spain
- Average visibility in May: 9km
The months with the highest visibility are June, July, August and September (10km).
The months with the lowest visibility are January, November and December (8km).
