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 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
The start of May signals a slight increase in the average high-temperature, moving from a refreshing 18.4°C (65.1°F) in April to a pleasant 22°C (71.6°F). An average low-temperature of 11.8°C (53.2°F) is recorded in the month of May in Arega, Portugal.Humidity
The average relative humidity in May is 72%.Rainfall
In May, the rain falls for 6.2 days. Throughout May, 11mm (0.43") of precipitation is accumulated. Throughout the year, there are 79 rainfall days, and 141mm (5.55") of precipitation is accumulated.Daylight
In Arega, the average length of the day in May is 14h and 23min.On the first day of May in Arega, sunrise is at 06:32 and sunset at 20:27. On the last day of the month, sunrise is at 06:07 and sunset at 20:55 WEST.
Sunshine
In Arega, the average sunshine in May is 9.9h.UV index
The average daily maximum UV index in May is 5. A UV Index reading of 3 to 5 represents a medium vulnerability from unprotected exposure to Sun's UV rays for the ordinary person.Note: The daily high UV index of 5 during May translates into the following recommendations:
Prioritize safety - The need to safeguard skin and eyes from harm is emphasized. The Sun's radiation is especially intense around midday; try to stay in shade during this period. For a sun-safe wardrobe, go for clothes that are tightly woven and generously sized.
Published by: Weather Atlas | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
What are the temperatures in Arega in May?
What is the average humidity in May in Arega?
How much does it rain in Arega in May?
What is the average length of the day in May in Arega?
When are sunrise and sunset in May in Arega?
How many hours of sunshine does Arega have in May?
How high is the UV index in May in Arega?
Average temperature in May
Arega, Portugal
- Average high temperature in May: 22°C
The warmest month (with the highest average high temperature) is August (27.7°C).
The month with the lowest average high temperature is January (13.4°C).
- Average low temperature in May: 11.8°C
The month with the highest average low temperature is July (15°C).
The coldest months (with the lowest average low temperature) are January and February (6.7°C).
Average pressure in May
Arega, Portugal
- Average pressure in May: 1016.2mbar
The month with the highest atmospheric pressure is December (1022.6mbar).
The month with the lowest atmospheric pressure is April (1015.4mbar).
Average wind speed in May
Arega, Portugal
- Average wind speed in May: 11km/h
The windiest month (with the highest average wind speed) is February (11.9km/h).
The calmest month (with the lowest average wind speed) is September (9.2km/h).
Average humidity in May
Arega, Portugal
- Average humidity in May: 72%
The month with the highest relative humidity is January (82%).
The months with the lowest relative humidity are August and September (68%).
Average rainfall in May
Arega, Portugal
- Average rainfall in May: 11mm
The wettest month (with the highest rainfall) is November (27mm).
The driest month (with the least rainfall) is July (2mm).
Average rainfall days in May
Arega, Portugal
- Average rainfall days in May: 6.2 days
The month with the highest number of rainy days is April (11.3 days).
The month with the least rainy days is August (1.9 days).
Average daylight in May /
Average sunshine in May
Arega, Portugal
- Average daylight in May: 14h and 2min
The month with the longest days is June (Average daylight: 14h and 54min).
The month with the shortest days is December (Average daylight: 9h and 24min).
- Average sunshine in May: 9h and 5min
The month with the most sunshine is July (Average sunshine: 11h and 6min).
The month with the least sunshine is January (Average sunshine: 5h and 6min).
Average sunshine days in May
Arega, Portugal
- Average sunshine days in May: 22.6 days
The month with the most sunshine days is July (28.4 days).
The month with the least sunshine days is April (16.2 days).
Average UV index in May
Arega, Portugal
- Average UV index in May: 5
The month with the highest UV index is August (UV index 6).
The months with the lowest UV index are January, February, November and December (UV index 3).
Average cloud cover in May
Arega, Portugal
- Average cloud cover in May: 30
The month with the most cloud cover is January (Cloud cover 45).
The month with the least cloud cover is August (Cloud cover 22).
Average visibility in May
Arega, Portugal
- Average visibility in May: 9km
The months with the highest visibility are January, February, March, April, May, June, September, October, November and December (9km).
The months with the lowest visibility are July and August (8km).
