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 shift to May signals an average high-temperature of a still comfortable 17.1°C (62.8°F), subtly varied from April's 16°C (60.8°F). Throughout May in Quatro Ribeiras, a minimal difference from peak daytime temperatures is noted, marking a steady low-temperature average of 15.9°C (60.6°F).Humidity
In Quatro Ribeiras, the average relative humidity in May is 81%.Rainfall
In May, the rain falls for 12.6 days. Throughout May, 39mm (1.54") of precipitation is accumulated. Throughout the year, in Quatro Ribeiras, there are 174.3 rainfall days, and 535mm (21.06") of precipitation is accumulated.Daylight
The average length of the day in May in Quatro Ribeiras is 14h and 18min.On the first day of May in Quatro Ribeiras, Portugal, sunrise is at 06:50 and sunset at 20:41. On the last day of the month, sunrise is at 06:25 and sunset at 21:07 +00.
Sunshine
The average sunshine in May in Quatro Ribeiras, Portugal, is 8.4h.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 unsafe exposure to UV radiation for the average person.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. UV radiation is strongest from the Sun during midday; protect yourself by staying in shaded areas. Your best bet for sun defense on the face, eyes, and neck is a hat with a wide brim.
Frequently asked questions
What are the temperatures in Quatro Ribeiras in May?
What is the average humidity in May in Quatro Ribeiras?
How much does it rain in Quatro Ribeiras in May?
What is the average length of the day in May in Quatro Ribeiras?
What time are sunrise and sunset in May in Quatro Ribeiras?
How many hours of sunshine does Quatro Ribeiras have in May?
How high is the UV index in May in Quatro Ribeiras?
Average temperature in May
Quatro Ribeiras, Portugal
- Average high temperature in May: 17.1°C
The warmest month (with the highest average high temperature) is August (22.8°C).
The month with the lowest average high temperature is March (15.6°C).
- Average low temperature in May: 15.9°C
The month with the highest average low temperature is August (21.6°C).
The coldest months (with the lowest average low temperature) are February and March (14.3°C).
Average pressure in May
Quatro Ribeiras, Portugal
- Average pressure in May: 1021.1mbar
The month with the highest atmospheric pressure is July (1024.4mbar).
The month with the lowest atmospheric pressure is October (1016.6mbar).
Average wind speed in May
Quatro Ribeiras, Portugal
- Average wind speed in May: 23.1km/h
The windiest month (with the highest average wind speed) is December (29.8km/h).
The calmest month (with the lowest average wind speed) is July (16.6km/h).
Average humidity in May
Quatro Ribeiras, Portugal
- Average humidity in May: 81%
The month with the highest relative humidity is June (83%).
The month with the lowest relative humidity is November (77%).
Average rainfall in May
Quatro Ribeiras, Portugal
- Average rainfall in May: 39mm
The wettest month (with the highest rainfall) is December (93mm).
The driest month (with the least rainfall) is July (15mm).
Average rainfall days in May
Quatro Ribeiras, Portugal
- Average rainfall days in May: 12.6 days
The month with the highest number of rainy days is October (19.5 days).
The month with the least rainy days is July (9 days).
Average daylight in May /
Average sunshine in May
Quatro Ribeiras, 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: 8h and 2min
The month with the most sunshine is July (Average sunshine: 9h and 24min).
The month with the least sunshine is November (Average sunshine: 5h and 0min).
Average sunshine days in May
Quatro Ribeiras, Portugal
- Average sunshine days in May: 14.8 days
The month with the most sunshine days is July (18.1 days).
The month with the least sunshine days is October (6.6 days).
Average UV index in May
Quatro Ribeiras, Portugal
- Average UV index in May: 5
The months with the highest UV index are July and August (UV index 6).
The months with the lowest UV index are January, February, March, April and December (UV index 4).
Average cloud cover in May
Quatro Ribeiras, Portugal
- Average cloud cover in May: 49
The month with the most cloud cover is November (Cloud cover 52).
The month with the least cloud cover is September (Cloud cover 39).
Average visibility in May
Quatro Ribeiras, 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).
Quatro Ribeiras, Portugal
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