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 sees a marginal temperature increase, moving from a comfortable 17.8°C (64°F) in April to an agreeable 21.1°C (70°F). São Tiago throughout May, experiences an average nighttime temperature of 11.5°C (52.7°F).Humidity
In São Tiago, Portugal, the average relative humidity in May is 70%.Rainfall
In São Tiago, Portugal, in May, during 10.3 rainfall days, 37mm (1.46") of precipitation is typically accumulated. Throughout the year, in São Tiago, there are 125.7 rainfall days, and 773mm (30.43") of precipitation is accumulated.Daylight
In May, the average length of the day in São Tiago is 14h and 28min.On the first day of May in São Tiago, sunrise is at 06:32 and sunset at 20:30. On the last day of the month, sunrise is at 06:06 and sunset at 20:58 WEST.
Sunshine
In São Tiago, the average sunshine in May is 9.8h.UV index
In São Tiago, the average daily maximum UV index in May is 5. A UV Index of 3 to 5 symbolizes a medium health hazard from exposure to the Sun's UV radiation for average individuals.Note: The maximum UV index of 5 during May translates into these guidelines:
Take precautions - Protection against sun damage is advised. Protect yourself from the midday Sun's peak UV radiation by minimizing exposure. Employ a hat with a wide brim for robust protection, cutting UV exposure by half.
Published by: Weather Atlas | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
What are May temperatures in São Tiago?
What is the average humidity in May in São Tiago?
How many days does it rain in May in São Tiago?
What is the average length of the day in May in São Tiago?
When are sunrise and sunset in May in São Tiago?
How long on average sun shines in May in São Tiago?
What is the UV index intensity in May in São Tiago?
Average temperature in May
São Tiago, Portugal
- Average high temperature in May: 21.1°C
The warmest month (with the highest average high temperature) is August (26.6°C).
The month with the lowest average high temperature is January (12.7°C).
- Average low temperature in May: 11.5°C
The months with the highest average low temperature are July and August (15.3°C).
The coldest months (with the lowest average low temperature) are January and February (6.8°C).
Average pressure in May
São Tiago, Portugal
- Average pressure in May: 1016.5mbar
The month with the highest atmospheric pressure is December (1022.5mbar).
The month with the lowest atmospheric pressure is April (1015.3mbar).
Average wind speed in May
São Tiago, Portugal
- Average wind speed in May: 9.3km/h
The windiest month (with the highest average wind speed) is February (10.3km/h).
The calmest month (with the lowest average wind speed) is September (7.8km/h).
Average humidity in May
São Tiago, Portugal
- Average humidity in May: 70%
The month with the highest relative humidity is January (82%).
The months with the lowest relative humidity are August and September (66%).
Average rainfall in May
São Tiago, Portugal
- Average rainfall in May: 37mm
The wettest month (with the highest rainfall) is November (124mm).
The driest month (with the least rainfall) is July (10mm).
Average rainfall days in May
São Tiago, Portugal
- Average rainfall days in May: 10.3 days
The month with the highest number of rainy days is November (15.6 days).
The month with the least rainy days is August (5 days).
Average daylight in May /
Average sunshine in May
São Tiago, Portugal
- Average daylight in May: 14h and 3min
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 18min).
- Average sunshine in May: 9h and 5min
The month with the most sunshine is July (Average sunshine: 11h and 0min).
The month with the least sunshine is January (Average sunshine: 4h and 54min).
Average sunshine days in May
São Tiago, Portugal
- Average sunshine days in May: 19.4 days
The month with the most sunshine days is August (24.2 days).
The month with the least sunshine days is November (12.5 days).
Average UV index in May
São Tiago, 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
São Tiago, Portugal
- Average cloud cover in May: 31
The month with the most cloud cover is January (Cloud cover 47).
The month with the least cloud cover is August (Cloud cover 22).
Average visibility in May
São Tiago, Portugal
- Average visibility in May: 9km
The months with the highest visibility are February, March, April, May, June, July, August, September, October, November and December (9km).
The month with the lowest visibility is January (8km).
São Tiago, Portugal
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