May weather forecastSilves, Portugal
May
Weather in May
May, the last month of the spring in Silves, is a pleasant month, with temperature in the range of an average low of 15.5°C (59.9°F) and an average high of 21.2°C (70.2°F).Temperature
As Silves, Portugal, welcomes May, the average high-temperature displays a subtle shift, adjusting from a comfortable 18°C (64.4°F) in April to an agreeable 21.2°C (70.2°F). Throughout May, Silves anticipates an average low-temperature of 15.5°C (59.9°F).Humidity
In Silves, the average relative humidity in May is 70%.Rainfall
May is the last month it rains in Silves. During 2.2 rainfall days, in May, Silves aggregates 3mm (0.12") of precipitation. Throughout the year, there are 37.2 rainfall days, and 39mm (1.54") of precipitation is accumulated.Daylight
The average length of the day in May in Silves is 14h and 10min.On the first day of May, sunrise is at 06:38 and sunset at 20:23. On the last day of the month, sunrise is at 06:15 and sunset at 20:47 WEST.
Sunshine
The average sunshine in May is 11.1h.UV index
The average daily maximum UV index in May is 5. A UV Index of 3 to 5 symbolizes a medium vulnerability from unsafe exposure to UV radiation for average individuals.Note: In May, a daily maximum UV index of 5 leads to the following instructions:
Adopt protective measures - It is advised to guard against sun damage. Direct exposure to the Sun's intense radiation around midday should be avoided for health reasons. Your best bet for sun defense on the face, eyes, and neck is a hat with a wide brim.
Published by: Weather Atlas | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature in May
Silves, Portugal
- Average high temperature in May: 21.2°C
The warmest month (with the highest average high temperature) is August (26.9°C).
The month with the lowest average high temperature is January (15°C).
- Average low temperature in May: 15.5°C
The month with the highest average low temperature is August (19.7°C).
The coldest month (with the lowest average low temperature) is February (10.7°C).
Average pressure in May
Silves, Portugal
- Average pressure in May: 1016mbar
The month with the highest atmospheric pressure is December (1022.5mbar).
The month with the lowest atmospheric pressure is April (1015.5mbar).
Average wind speed in May
Silves, Portugal
- Average wind speed in May: 15.6km/h
The windiest month (with the highest average wind speed) is February (18.2km/h).
The calmest month (with the lowest average wind speed) is September (12.8km/h).
Average humidity in May
Silves, Portugal
- Average humidity in May: 70%
The month with the highest relative humidity is April (76%).
The months with the lowest relative humidity are July and August (66%).
Average rainfall in May
Silves, Portugal
- Average rainfall in May: 3mm
The wettest month (with the highest rainfall) is November (8mm).
The driest months (with the least rainfall) are June, July, August and September (0mm).
Average rainfall days in May
Silves, Portugal
- Average rainfall days in May: 2.2 days
The month with the highest number of rainy days is April (6.4 days).
The month with the least rainy days is August (0.2 days).
Average daylight in May /
Average sunshine in May
Silves, Portugal
- Average daylight in May: 14h and 12min
The month with the longest days is June (Average daylight: 14h and 42min).
The month with the shortest days is December (Average daylight: 9h and 42min).
- Average sunshine in May: 11h and 6min
The month with the most sunshine is July (Average sunshine: 11h and 54min).
The month with the least sunshine is January (Average sunshine: 6h and 0min).
Average sunshine days in May
Silves, Portugal
- Average sunshine days in May: 27.2 days
The month with the most sunshine days is July (30.5 days).
The month with the least sunshine days is November (22.1 days).
Average UV index in May
Silves, 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, March, November and December (UV index 4).
Average cloud cover in May
Silves, Portugal
- Average cloud cover in May: 18
The month with the most cloud cover is January (Cloud cover 32).
The months with the least cloud cover are July and August (Cloud cover 6).
Average visibility in May
Silves, 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).





