May weather forecastConstância, Portugal
May
Weather in May
May, the last month of the spring in Constância, is a warm month, with an average temperature varying between 24°C (75.2°F) and 12.1°C (53.8°F).Temperature
The arrival of May signals a slight increase in the average high-temperature, moving from a comfortable 19.8°C (67.6°F) in April to a moderately hot 24°C (75.2°F). During May nights, Constância witnesses a consistent average temperature of 12.1°C (53.8°F).Humidity
In May, the average relative humidity is 65%.Rainfall
In Constância, Portugal, in May, it is raining for 7.2 days, with typically 21mm (0.83") of accumulated precipitation. Throughout the year, in Constância, there are 84.9 rainfall days, and 277mm (10.91") of precipitation is accumulated.Daylight
In Constância, the average length of the day in May is 14h and 22min.On the first day of the month, sunrise is at 06:33 and sunset at 20:27. On the last day of May, in Constância, sunrise is at 06:08 and sunset at 20:54 WEST.
Sunshine
The average sunshine in May in Constância is 10.1h.UV index
May through August, with an average maximum UV index of 6, are months with the highest UV index. A UV Index of 6 to 7 symbolizes a high health risk from exposure to the Sun's UV radiation for average individuals.Note: The daily high UV index of 6 during May translates into the following recommendations:
Undertake protective measures and comply with sun safety rules. Shielding against skin and eye damage is essential. Avoid direct Sun exposure and seek shade between 10 a.m. and 4 p.m., when UV radiation is at its peak, but keep in mind that not all shade structures provide complete protection. Sun protection is enhanced with clothing that boasts a tight weave yet offers a loose fit.
Published by: Weather Atlas | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature in May
Constância, Portugal
- Average high temperature in May: 24°C
The warmest month (with the highest average high temperature) is August (32.7°C).
The month with the lowest average high temperature is January (13.3°C).
- Average low temperature in May: 12.1°C
The month with the highest average low temperature is August (15.7°C).
The coldest month (with the lowest average low temperature) is January (5.7°C).
Average pressure in May
Constância, Portugal
- Average pressure in May: 1016mbar
The month with the highest atmospheric pressure is December (1022.8mbar).
The month with the lowest atmospheric pressure is April (1015.3mbar).
Average wind speed in May
Constância, Portugal
- Average wind speed in May: 11.5km/h
The windiest month (with the highest average wind speed) is February (12.6km/h).
The calmest month (with the lowest average wind speed) is September (9.8km/h).
Average humidity in May
Constância, Portugal
- Average humidity in May: 65%
The month with the highest relative humidity is January (81%).
The month with the lowest relative humidity is August (55%).
Average rainfall in May
Constância, Portugal
- Average rainfall in May: 21mm
The wettest month (with the highest rainfall) is November (50mm).
The driest months (with the least rainfall) are July and August (3mm).
Average rainfall days in May
Constância, Portugal
- Average rainfall days in May: 7.2 days
The month with the highest number of rainy days is November (11.2 days).
The month with the least rainy days is August (1.6 days).
Average daylight in May /
Average sunshine in May
Constância, Portugal
- Average daylight in May: 14h and 24min
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: 10h and 6min
The month with the most sunshine is July (Average sunshine: 11h and 36min).
The month with the least sunshine is January (Average sunshine: 5h and 6min).
Average sunshine days in May
Constância, Portugal
- Average sunshine days in May: 23 days
The months with the most sunshine days are July and August (28.7 days).
The month with the least sunshine days is November (17.9 days).
Average UV index in May
Constância, Portugal
- Average UV index in May: 6
The months with the highest UV index are May, June, July and August (UV index 6).
The months with the lowest UV index are January, February, November and December (UV index 3).
Average cloud cover in May
Constância, Portugal
- Average cloud cover in May: 28
The month with the most cloud cover is January (Cloud cover 43).
The month with the least cloud cover is July (Cloud cover 12).
Average visibility in May
Constância, Portugal
- Average visibility in May: 9km
The month with the highest visibility is June (10km).
The month with the lowest visibility is January (8km).





