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
As May arrives, Casais Robustos's weather shows a minor increase in high-temperatures, edging from April's comfortable 19.6°C (67.3°F) to a moderately hot 23.8°C (74.8°F). The nights of May anticipate an average low-temperature of 12°C (53.6°F).Humidity
The average relative humidity in May in Casais Robustos is 68%.Rainfall
In Casais Robustos, during May, the rain falls for 9.5 days and regularly aggregates up to 32mm (1.26") of precipitation. Throughout the year, there are 113.2 rainfall days, and 426mm (16.77") of precipitation is accumulated.Daylight
The average length of the day in May is 14h and 22min.On the first day of May, sunrise is at 06:34 and sunset at 20:28. On the last day of the month, sunrise is at 06:09 and sunset at 20:55 WEST.
Sunshine
The average sunshine in May is 9.9h.UV index
In May, the average daily maximum UV index is 5. A UV Index value of 3 to 5 symbolizes a medium health hazard from exposure to the Sun's UV radiation for the ordinary person.Note: The UV index of 5 during May leads to these advisories:
Proceed with care. Light skin individuals may be exposed to burns in fewer than 30 minutes. The midday Sun can be dangerous due to its intense radiation; always find shade and reduce exposure. Outfit yourself in sun-safe attire, like long sleeves, pants, a hat, and UV-blocking sunglasses.
Frequently asked questions
What is the usual temperature for Casais Robustos in May?
What is the average humidity in May in Casais Robustos?
How many days does it rain in May in Casais Robustos?
How many hours of daylight does Casais Robustos have in May?
When is the sunrise / sunset in May in Casais Robustos?
How many hours of sunshine does Casais Robustos have in May?
What is the UV index reading in May in Casais Robustos?
Average temperature in May
Casais Robustos, Portugal
- Average high temperature in May: 23.8°C
The warmest month (with the highest average high temperature) is August (31.3°C).
The month with the lowest average high temperature is January (13.7°C).
- Average low temperature in May: 12°C
The month with the highest average low temperature is July (15.3°C).
The coldest months (with the lowest average low temperature) are January and February (6.2°C).
Average pressure in May
Casais Robustos, 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 (1015.4mbar).
Average wind speed in May
Casais Robustos, Portugal
- Average wind speed in May: 12.3km/h
The windiest month (with the highest average wind speed) is July (13.3km/h).
The calmest month (with the lowest average wind speed) is October (10.5km/h).
Average humidity in May
Casais Robustos, Portugal
- Average humidity in May: 68%
The month with the highest relative humidity is January (82%).
The month with the lowest relative humidity is August (61%).
Average rainfall in May
Casais Robustos, Portugal
- Average rainfall in May: 32mm
The wettest month (with the highest rainfall) is November (66mm).
The driest months (with the least rainfall) are July and August (4mm).
Average rainfall days in May
Casais Robustos, Portugal
- Average rainfall days in May: 9.5 days
The month with the highest number of rainy days is April (14.3 days).
The month with the least rainy days is August (3 days).
Average daylight in May /
Average sunshine in May
Casais Robustos, 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: 4h and 54min).
Average sunshine days in May
Casais Robustos, Portugal
- Average sunshine days in May: 19.8 days
The month with the most sunshine days is July (27.6 days).
The month with the least sunshine days is April (14 days).
Average UV index in May
Casais Robustos, Portugal
- Average UV index in May: 5
The months with the highest UV index are June, July, August and September (UV index 6).
The months with the lowest UV index are January, February, November and December (UV index 3).
Average cloud cover in May
Casais Robustos, Portugal
- Average cloud cover in May: 30
The month with the most cloud cover is January (Cloud cover 46).
The month with the least cloud cover is August (Cloud cover 18).
Average visibility in May
Casais Robustos, Portugal
- Average visibility in May: 9km
The months with the highest visibility are February, March, April, May, June, July, August, September, October, November and December (9km).
The month with the lowest visibility is January (8km).
Casais Robustos, Portugal
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