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 average high-temperature during May registers at a still comfortable 19.3°C (66.7°F), closely corresponding to the preceding month. Alhadas reports an average nighttime low-temperature of 13.7°C (56.7°F) in May.Humidity
In May, the average relative humidity is 75%.Rainfall
In May, the rain falls for 10.6 days. Throughout May, 38mm (1.5") of precipitation is accumulated. In Alhadas, Portugal, during the entire year, the rain falls for 130.4 days and collects up to 585mm (23.03") of precipitation.Daylight
In May, the average length of the day is 14h and 25min.On the first day of the month, sunrise is at 06:33 and sunset at 20:30. On the last day of May, in Alhadas, sunrise is at 06:07 and sunset at 20:57 WEST.
Sunshine
In May, the average sunshine is 10.3h.UV index
May through September, with an average maximum UV index of 5, are months with the highest UV index in Alhadas, Portugal. A UV Index reading of 3 to 5 represents a moderate threat to health from unsafe exposure to UV radiation for average individuals.Note: A maximum high UV index of 5 in May translates into the following recommendations:
Be vigilant - A duty to shield skin and eyes from injury exists. Avoiding the Sun's peak radiation during midday hours is essential for health and safety. Safeguard your eyes, ears, and face from sun rays with the aid of a wide-brim hat.
Frequently asked questions
What is the temperature in May in Alhadas?
What is the average humidity in May in Alhadas?
How many days does it rain in May in Alhadas?
What is the average length of the day in May in Alhadas?
When are sunrise and sunset in May in Alhadas?
How many hours of sunshine does Alhadas have in May?
What is the month with the highest UV index in Alhadas?
What is the UV index intensity in May in Alhadas?
Average temperature in May
Alhadas, Portugal
- Average high temperature in May: 19.3°C
The warmest month (with the highest average high temperature) is August (23.4°C).
The month with the lowest average high temperature is January (13.7°C).
- Average low temperature in May: 13.7°C
The months with the highest average low temperature are July and August (16.8°C).
The coldest month (with the lowest average low temperature) is February (9.3°C).
Average pressure in May
Alhadas, Portugal
- Average pressure in May: 1016.4mbar
The month with the highest atmospheric pressure is December (1022.5mbar).
The month with the lowest atmospheric pressure is April (1015.4mbar).
Average wind speed in May
Alhadas, Portugal
- Average wind speed in May: 15.4km/h
The windiest month (with the highest average wind speed) is February (17.2km/h).
The calmest month (with the lowest average wind speed) is September (12.8km/h).
Average humidity in May
Alhadas, Portugal
- Average humidity in May: 75%
The month with the highest relative humidity is January (78%).
The months with the lowest relative humidity are September and October (74%).
Average rainfall in May
Alhadas, Portugal
- Average rainfall in May: 38mm
The wettest month (with the highest rainfall) is November (97mm).
The driest month (with the least rainfall) is July (6mm).
Average rainfall days in May
Alhadas, Portugal
- Average rainfall days in May: 10.6 days
The month with the highest number of rainy days is November (16 days).
The month with the least rainy days is August (4.5 days).
Average daylight in May /
Average sunshine in May
Alhadas, 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: 10h and 2min
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 12min).
Average sunshine days in May
Alhadas, Portugal
- Average sunshine days in May: 18.7 days
The month with the most sunshine days is August (23.9 days).
The month with the least sunshine days is November (11.9 days).
Average UV index in May
Alhadas, Portugal
- Average UV index in May: 5
The months with the highest UV index are May, June, July, August and September (UV index 5).
The month with the lowest UV index is January (UV index 3).
Average cloud cover in May
Alhadas, Portugal
- Average cloud cover in May: 28
The month with the most cloud cover is January (Cloud cover 42).
The months with the least cloud cover are August and September (Cloud cover 20).
Average visibility in May
Alhadas, Portugal
- Average visibility in May: 10km
The months with the highest visibility are January, February, March, April, May, June, September, October, November and December (10km).
The months with the lowest visibility are July and August (9km).
Alhadas, Portugal
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