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
May
Weather in May
Temperature
A soft shift in the average high-temperature is noticeable in May, transitioning from a refreshing 18.8°C (65.8°F) in April to an agreeable 22.3°C (72.1°F). An average low-temperature of 10.9°C (51.6°F) is expected during May.Humidity
In May, the average relative humidity is 71%.Rainfall
In Arregaca, during May, the rain falls for 9.8 days and regularly aggregates up to 36mm (1.42") of 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 is 14h and 25min.On the first day of the month, sunrise is at 06:32 and sunset at 20:29. On the last day of May, sunrise is at 06:06 and sunset at 20:56 WEST.
Sunshine
The average sunshine in May is 9.9h.UV index
In Arregaca, Portugal, the average daily maximum UV index in May is 5. A UV Index estimate of 3 to 5 represents a medium vulnerability from exposure to the Sun's UV radiation for the ordinary person.Note: In May, the UV index of 5 transforms into the following advice:
Guard yourself - Avoiding sunburn is suggested. The midday Sun can be harmful due to its potent UV radiation; seek shade and reduce exposure. Opt for tightly woven and loose clothing to enhance protection from the Sun.
Published by: Weather Atlas | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
What are May temperatures?
What is the average humidity in May?
How much does it rain in May?
How many hours of daylight does Arregaca have in May?
When is the sunrise / sunset in May?
How many hours of sunshine does Arregaca have in May?
How high is the UV index in May?
Average temperature in May
Arregaca, 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
Arregaca, 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
Arregaca, 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
Arregaca, 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
Arregaca, 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
Arregaca, 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
Arregaca, 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
Arregaca, 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
Arregaca, 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
Arregaca, 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
Arregaca, 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).
