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
May's onset brings a subtle temperature rise, moving from a comfortable 17.4°C (63.3°F) in April to an agreeable 20.5°C (68.9°F). Throughout the month of May, the nighttime temperature dips to an average of 11.7°C (53.1°F).Humidity
In May, the average relative humidity in Silveiros is 73%.Rainfall
In May, the rain falls for 10.8 days. Throughout May, 46mm (1.81") of precipitation is accumulated. Throughout the year, in Silveiros, Portugal, there are 139.3 rainfall days, and 934mm (36.77") of precipitation is accumulated.Daylight
In May, the average length of the day is 14h and 32min.On the first day of the month, sunrise is at 06:30 and sunset at 20:32. On the last day of May, sunrise is at 06:03 and sunset at 21:01 WEST.
Sunshine
In Silveiros, Portugal, the average sunshine in May is 9.8h.UV index
In May, the average daily maximum UV index is 5. A UV Index of 3 to 5 symbolizes a medium health hazard from unsafe exposure to UV radiation for the average person.Note: The daily maximum UV index of 5 in May interprets into the following advice:
Put precautions into practice - Ensuring skin and eye safety is a necessity. Direct Sun exposure should be minimized especially during midday when radiation is most intense. Using UVA and UVB-protective sunglasses and sun-protective clothing is effective against UV radiation.
Frequently asked questions
What is the temperature in May in Silveiros?
What is the average humidity in May in Silveiros?
How many days does it rain in May in Silveiros?
What is the average length of the day in May in Silveiros?
When are sunrise and sunset in May in Silveiros?
How many hours of sunshine does Silveiros have in May?
How high is the UV index in May in Silveiros?
Average temperature in May
Silveiros, Portugal
- Average high temperature in May: 20.5°C
The warmest month (with the highest average high temperature) is August (25.9°C).
The month with the lowest average high temperature is January (12.8°C).
- Average low temperature in May: 11.7°C
The month with the highest average low temperature is August (15.5°C).
The coldest months (with the lowest average low temperature) are January and February (6.9°C).
Average pressure in May
Silveiros, Portugal
- Average pressure in May: 1016.7mbar
The month with the highest atmospheric pressure is December (1022.3mbar).
The month with the lowest atmospheric pressure is April (1015.4mbar).
Average wind speed in May
Silveiros, Portugal
- Average wind speed in May: 10.2km/h
The windiest month (with the highest average wind speed) is February (11.4km/h).
The calmest month (with the lowest average wind speed) is September (8.8km/h).
Average humidity in May
Silveiros, Portugal
- Average humidity in May: 73%
The month with the highest relative humidity is January (83%).
The month with the lowest relative humidity is September (68%).
Average rainfall in May
Silveiros, Portugal
- Average rainfall in May: 46mm
The wettest month (with the highest rainfall) is November (144mm).
The driest month (with the least rainfall) is July (10mm).
Average rainfall days in May
Silveiros, Portugal
- Average rainfall days in May: 10.8 days
The month with the highest number of rainy days is November (16.5 days).
The month with the least rainy days is August (4.8 days).
Average daylight in May /
Average sunshine in May
Silveiros, Portugal
- Average daylight in May: 14h and 3min
The month with the longest days is June (Average daylight: 15h and 6min).
The month with the shortest days is December (Average daylight: 9h and 12min).
- Average sunshine in May: 9h and 5min
The month with the most sunshine is July (Average sunshine: 11h and 6min).
The month with the least sunshine is January (Average sunshine: 4h and 48min).
Average sunshine days in May
Silveiros, Portugal
- Average sunshine days in May: 19.2 days
The month with the most sunshine days is August (24.3 days).
The month with the least sunshine days is November (12.5 days).
Average UV index in May
Silveiros, Portugal
- Average UV index in May: 5
The month with the highest UV index is 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
Silveiros, Portugal
- Average cloud cover in May: 30
The month with the most cloud cover is January (Cloud cover 46).
The months with the least cloud cover are July and August (Cloud cover 20).
Average visibility in May
Silveiros, Portugal
- Average visibility in May: 9km
The months with the highest visibility are January, February, March, April, May, June, July, August, September, October, November and December (9km).
The months with the lowest visibility are January, February, March, April, May, June, July, August, September, October, November and December (9km).
Silveiros, Portugal
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