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
A slight uplift in the average high-temperature marks May, adjusting from April's enjoyable 18.8°C (65.8°F) to a pleasant 22.3°C (72.1°F). An average nighttime temperature of 10.9°C (51.6°F) is observed during May.Humidity
The average relative humidity in May in São Pedro de Alva, Portugal, is 71%.Rainfall
In São Pedro de Alva, in May, it is raining for 9.8 days, with typically 36mm (1.42") of accumulated precipitation. Throughout the year, there are 119.4 rainfall days, and 525mm (20.67") of precipitation is accumulated.Daylight
In May, the average length of the day in São Pedro de Alva is 14h and 26min.On the first day of the month, sunrise is at 06:31 and sunset at 20:28. On the last day of May, sunrise is at 06:05 and sunset at 20:55 WEST.
Sunshine
In São Pedro de Alva, the average sunshine in May is 9.9h.UV index
In May, the average daily maximum UV index is 5. A UV Index estimate of 3 to 5 represents a medium vulnerability from exposure to the Sun's UV rays for average individuals.Note: The maximum UV index, 5 during May, leads to the following recommendations:
Preventative actions are necessary - The mandate to avoid skin and eye damage is in place. Avoiding the Sun's peak radiation during midday hours is essential for health and safety. For effective sun eye protection, rely on sunglasses certified for UVA and UVB resistance.
Frequently asked questions
What is the temperature in May in São Pedro de Alva?
What is the average humidity in May in São Pedro de Alva?
How much does it rain in São Pedro de Alva in May?
What is the average length of the day in May in São Pedro de Alva?
When are sunrise and sunset in May in São Pedro de Alva?
How many hours of sunshine does São Pedro de Alva have in May?
What is the UV index reading in May in São Pedro de Alva?
Average temperature in May
São Pedro de Alva, Portugal
- Average high temperature in May: 22.3°C
The warmest month (with the highest average high temperature) is August (29.2°C).
The month with the lowest average high temperature is January (12.9°C).
- Average low temperature in May: 10.9°C
The month with the highest average low temperature is July (14.5°C).
The coldest month (with the lowest average low temperature) is January (5.4°C).
Average pressure in May
São Pedro de Alva, Portugal
- Average pressure in May: 1016.2mbar
The month with the highest atmospheric pressure is December (1022.7mbar).
The month with the lowest atmospheric pressure is April (1015.3mbar).
Average wind speed in May
São Pedro de Alva, Portugal
- Average wind speed in May: 8.4km/h
The windiest month (with the highest average wind speed) is March (9km/h).
The calmest month (with the lowest average wind speed) is September (7.2km/h).
Average humidity in May
São Pedro de Alva, Portugal
- Average humidity in May: 71%
The month with the highest relative humidity is January (84%).
The months with the lowest relative humidity are August and September (65%).
Average rainfall in May
São Pedro de Alva, Portugal
- Average rainfall in May: 36mm
The wettest month (with the highest rainfall) is November (77mm).
The driest month (with the least rainfall) is July (4mm).
Average rainfall days in May
São Pedro de Alva, Portugal
- Average rainfall days in May: 9.8 days
The month with the highest number of rainy days is April (14.7 days).
The month with the least rainy days is August (2.8 days).
Average daylight in May /
Average sunshine in May
São Pedro de Alva, Portugal
- Average daylight in May: 14h and 2min
The month with the longest days is June (Average daylight: 15h and 0min).
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 12min).
The month with the least sunshine is January (Average sunshine: 5h and 0min).
Average sunshine days in May
São Pedro de Alva, Portugal
- Average sunshine days in May: 19.3 days
The month with the most sunshine days is August (27.5 days).
The months with the least sunshine days are April and November (14.3 days).
Average UV index in May
São Pedro de Alva, 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 3).
Average cloud cover in May
São Pedro de Alva, Portugal
- Average cloud cover in May: 33
The month with the most cloud cover is January (Cloud cover 48).
The months with the least cloud cover are July and August (Cloud cover 22).
Average visibility in May
São Pedro de Alva, Portugal
- Average visibility in May: 8km
The months with the highest visibility are June, September, October and December (9km).
The months with the lowest visibility are January, February, March, April, May, July, August and November (8km).
São Pedro de Alva, Portugal
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