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 shift into May is marked by a modest rise in the average high-temperature, moving from April's enjoyable 17.4°C (63.3°F) to a pleasant 20.5°C (68.9°F). Throughout May, Barcelos's nights cool down to an average of 11.7°C (53.1°F).Humidity
In Barcelos, the average relative humidity in May is 73%.Rainfall
In May, in Barcelos, Portugal, the rain falls for 10.8 days. Throughout May, 46mm (1.81") of precipitation is accumulated. Throughout the year, there are 138.8 rainfall days, and 930mm (36.61") of precipitation is accumulated.Daylight
In May, the average length of the day is 14h and 32min.On the first day of the month, sunrise is at 06:30 and sunset at 20:32. On the last day of May, in Barcelos, sunrise is at 06:03 and sunset at 21:01 WEST.
Sunshine
In Barcelos, the average sunshine in May is 9.8h.UV index
The average daily maximum UV index in May is 5. A UV Index reading of 3 to 5 represents a medium health hazard from unsafe exposure to UV radiation for ordinary individuals.Note: In May, a daily maximum UV index of 5 leads to the following instructions:
Take precautions. Light skin individuals may get burned in less than 30 minutes. When the Sun is at its strongest around midday, find shade and limit exposure. For minimizing sun-related eye damage, always choose sunglasses with UVA and UVB coverage.
Published by: Weather Atlas | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
What are the temperatures in Barcelos in May?
What is the average humidity in May in Barcelos?
How many days does it rain in May in Barcelos?
What is the average length of the day in May in Barcelos?
What time are sunrise and sunset in May in Barcelos?
How long on average sun shines in May in Barcelos?
How high is the UV index in May in Barcelos?
Average temperature in May
Barcelos, Portugal
- Average high temperature in May: 20.5°C
The warmest month (with the highest average high temperature) is August (25.9°C).
The month with the lowest average high temperature is January (12.8°C).
- Average low temperature in May: 11.7°C
The month with the highest average low temperature is August (15.5°C).
The coldest months (with the lowest average low temperature) are January and February (6.9°C).
Average pressure in May
Barcelos, Portugal
- Average pressure in May: 1016.7mbar
The month with the highest atmospheric pressure is December (1022.3mbar).
The month with the lowest atmospheric pressure is April (1015.4mbar).
Average wind speed in May
Barcelos, Portugal
- Average wind speed in May: 10.2km/h
The windiest month (with the highest average wind speed) is February (11.4km/h).
The calmest month (with the lowest average wind speed) is September (8.8km/h).
Average humidity in May
Barcelos, Portugal
- Average humidity in May: 73%
The month with the highest relative humidity is January (83%).
The month with the lowest relative humidity is September (68%).
Average rainfall in May
Barcelos, Portugal
- Average rainfall in May: 46mm
The wettest month (with the highest rainfall) is November (144mm).
The driest month (with the least rainfall) is July (10mm).
Average rainfall days in May
Barcelos, Portugal
- Average rainfall days in May: 10.8 days
The month with the highest number of rainy days is November (16.5 days).
The month with the least rainy days is August (4.8 days).
Average daylight in May /
Average sunshine in May
Barcelos, Portugal
- Average daylight in May: 14h and 3min
The month with the longest days is June (Average daylight: 15h and 6min).
The month with the shortest days is December (Average daylight: 9h and 12min).
- 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: 4h and 48min).
Average sunshine days in May
Barcelos, Portugal
- Average sunshine days in May: 19.2 days
The month with the most sunshine days is August (24.3 days).
The month with the least sunshine days is November (12.5 days).
Average UV index in May
Barcelos, 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, March, November and December (UV index 3).
Average cloud cover in May
Barcelos, Portugal
- Average cloud cover in May: 30
The month with the most cloud cover is January (Cloud cover 46).
The months with the least cloud cover are July, August and September (Cloud cover 20).
Average visibility in May
Barcelos, Portugal
- 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).
