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
Weather in May
Temperature
The arrival of May sees an average high-temperature of a pleasant 20.4°C (68.7°F), hardly diverging from April's 17.8°C (64°F). In the month of May, the temperature in Bairro Alto generally rests at an average low of 14.4°C (57.9°F).Humidity
The months with the lowest humidity in Bairro Alto are May, September and October, with an average relative humidity of 73%.Rainfall
In May, in Bairro Alto, Portugal, the rain falls for 8.8 days. Throughout May, 30mm (1.18") of precipitation is accumulated. In Bairro Alto, during the entire year, the rain falls for 118.2 days and collects up to 405mm (15.94") of precipitation.Daylight
In May, the average length of the day is 14h and 17min.On the first day of the month, sunrise is at 06:38 and sunset at 20:29. On the last day of May, sunrise is at 06:13 and sunset at 20:55 WEST.
Sunshine
In May, the average sunshine in Bairro Alto is 10.5h.UV index
The average daily maximum UV index in May in Bairro Alto is 5. A UV Index of 3 to 5 symbolizes a medium vulnerability from unsafe exposure to UV radiation for the average person.Note: The maximum UV index, 5 during May, leads to the following recommendations:
Take necessary precautions - Defending against sun damage is advocated. Avoiding direct sun during mid-day hours can prevent harmful UV radiation exposure. A wide-brimmed hat is a staple for defending the face, eyes, ears, and neck from the Sun.
Frequently asked questions
What are May temperatures in Bairro Alto?
What is the least humid month in Bairro Alto?
What is the average humidity in May in Bairro Alto?
How many days does it rain in May in Bairro Alto?
How many hours of daylight does Bairro Alto have in May?
What time are sunrise and sunset in May in Bairro Alto?
How long on average sun shines in May in Bairro Alto?
What is the UV index reading in May in Bairro Alto?
Average temperature in May
Bairro Alto, Portugal
- Average high temperature in May: 20.4°C
The warmest month (with the highest average high temperature) is August (24.8°C).
The month with the lowest average high temperature is January (14.5°C).
- Average low temperature in May: 14.4°C
The month with the highest average low temperature is July (17.8°C).
The coldest month (with the lowest average low temperature) is February (10°C).
Average pressure in May
Bairro Alto, Portugal
- Average pressure in May: 1016.5mbar
The month with the highest atmospheric pressure is December (1022.5mbar).
The month with the lowest atmospheric pressure is April (1015.7mbar).
Average wind speed in May
Bairro Alto, Portugal
- Average wind speed in May: 17.5km/h
The windiest month (with the highest average wind speed) is February (18.7km/h).
The calmest month (with the lowest average wind speed) is October (15km/h).
Average humidity in May
Bairro Alto, Portugal
- Average humidity in May: 73%
The month with the highest relative humidity is January (77%).
The months with the lowest relative humidity are May, September and October (73%).
Average rainfall in May
Bairro Alto, Portugal
- Average rainfall in May: 30mm
The wettest month (with the highest rainfall) is November (75mm).
The driest month (with the least rainfall) is July (3mm).
Average rainfall days in May
Bairro Alto, Portugal
- Average rainfall days in May: 8.8 days
The month with the highest number of rainy days is November (14.6 days).
The month with the least rainy days is August (2.6 days).
Average daylight in May /
Average sunshine in May
Bairro Alto, Portugal
- Average daylight in May: 14h and 2min
The month with the longest days is June (Average daylight: 14h and 48min).
The month with the shortest days is December (Average daylight: 9h and 30min).
- Average sunshine in May: 10h and 3min
The month with the most sunshine is July (Average sunshine: 11h and 12min).
The month with the least sunshine is January (Average sunshine: 5h and 18min).
Average sunshine days in May
Bairro Alto, Portugal
- Average sunshine days in May: 19.8 days
The month with the most sunshine days is July (26.4 days).
The month with the least sunshine days is November (12.8 days).
Average UV index in May
Bairro Alto, Portugal
- Average UV index in May: 5
The months with the highest UV index are June, July and August (UV index 6).
The months with the lowest UV index are January, February, March, November and December (UV index 4).
Average cloud cover in May
Bairro Alto, Portugal
- Average cloud cover in May: 26
The month with the most cloud cover is January (Cloud cover 42).
The month with the least cloud cover is August (Cloud cover 17).
Average visibility in May
Bairro Alto, Portugal
- Average visibility in May: 10km
The months with the highest visibility are January, February, March, April, May, June, July, August, September, October, November and December (10km).
The months with the lowest visibility are January, February, March, April, May, June, July, August, September, October, November and December (10km).
Bairro Alto, Portugal
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