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 sea temperature 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 brings a modest temperature shift, moving from a refreshing 18°C (64.4°F) in April to a pleasant 21.2°C (70.2°F). Throughout the month of May, Algés reports a steady low-temperature average of 14.9°C (58.8°F).Humidity
The months with the lowest humidity in Algés are May and August, with an average relative humidity of 70%.Rainfall
In Algés, Portugal, during May, the rain falls for 9.1 days and regularly aggregates up to 27mm (1.06") of precipitation. Throughout the year, in Algés, there are 112.7 rainfall days, and 389mm (15.31") of precipitation is accumulated.Sea temperature
In Algés, in May, the average water temperature is 17.4°C (63.3°F).Note: For most, swimming in 17.4°C (63.3°F) is not an enjoyable activity. Furthermore, controlling your breathing becomes progressively more difficult as the water temperature decreases from 21°C (69.8°F) to 15°C (59°F).
Daylight
In May, the average length of the day in Algés 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 06:14 and sunset at 20:55 WEST.
Sunshine
In Algés, the average sunshine in May is 10.6h.UV index
In Algés, the average daily maximum UV index in May is 5. A UV Index estimate of 3 to 5 represents a moderate threat to health from unprotected exposure to Sun's UV rays for ordinary individuals.Note: The average daily UV index of 5 in May transforms into the following instructions:
Exercise caution. The susceptibility of light skin individuals to burns is less than 30 minutes. UV radiation is strongest from the Sun during midday; protect yourself by staying in shaded areas. On bright days sunglasses that block both UVA and UVB rays should be worn. A hat with a wide brim is extremely helpful, as it can prevent roughly 50% of UV radiation from reaching the eyes.
Published by: Weather Atlas | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
What are May temperatures in Algés?
What is the least humid month in Algés?
What is the average humidity in May in Algés?
How many days does it rain in May in Algés?
How cold is the water in May in Algés?
What is the average length of the day in May in Algés?
When is the sunrise / sunset in May in Algés?
How many hours of sunshine does Algés have in May?
What is the UV index intensity in May in Algés?
Average temperature in May
Algés, Portugal
- Average high temperature in May: 21.2°C
The warmest month (with the highest average high temperature) is August (25.8°C).
The month with the lowest average high temperature is January (14.5°C).
- Average low temperature in May: 14.9°C
The months with the highest average low temperature are July and August (18.1°C).
The coldest month (with the lowest average low temperature) is February (10.3°C).
Average pressure in May
Algés, Portugal
- Average pressure in May: 1016.5mbar
The month with the highest atmospheric pressure is December (1022.6mbar).
The month with the lowest atmospheric pressure is April (1015.7mbar).
Average wind speed in May
Algés, Portugal
- Average wind speed in May: 16.6km/h
The windiest month (with the highest average wind speed) is February (17.8km/h).
The calmest month (with the lowest average wind speed) is October (14.1km/h).
Average humidity in May
Algés, Portugal
- Average humidity in May: 70%
The month with the highest relative humidity is January (76%).
The months with the lowest relative humidity are May and August (70%).
Average rainfall in May
Algés, Portugal
- Average rainfall in May: 27mm
The wettest month (with the highest rainfall) is November (69mm).
The driest month (with the least rainfall) is July (2mm).
Average rainfall days in May
Algés, Portugal
- Average rainfall days in May: 9.1 days
The month with the highest number of rainy days is November (14.4 days).
The month with the least rainy days is August (2.6 days).
Average sea temperature in May
Algés, Portugal
- Average sea temperature in May: 17.4°C
The best month for swimming (with the highest average sea temperature) is September (19.9°C).
The coldest month (with the lowest average sea temperature) is March (15.1°C).
Average daylight in May /
Average sunshine in May
Algés, 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 4min
The month with the most sunshine is July (Average sunshine: 11h and 24min).
The month with the least sunshine is January (Average sunshine: 5h and 24min).
Average sunshine days in May
Algés, Portugal
- Average sunshine days in May: 20.3 days
The month with the most sunshine days is July (27.2 days).
The month with the least sunshine days is November (13.3 days).
Average UV index in May
Algés, Portugal
- Average UV index in May: 5
The months with the highest UV index are June, July, August and September (UV index 6).
The month with the lowest UV index is December (UV index 3).
Average cloud cover in May
Algés, Portugal
- Average cloud cover in May: 24
The month with the most cloud cover is January (Cloud cover 40).
The month with the least cloud cover is August (Cloud cover 14).
Average visibility in May
Algés, 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).
