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PortugalThe weather in May in São Sebastião
It's pleasantly warm in May in São Sebastião with an average temperature of 20°C. Temperatures this month range from a low of 19°C to a high of 21°C. At night, you can expect temperatures between 14°C and 17°C.
Looking for great weather? May is a good time to be in São Sebastião. The temperatures are nice, and there’s not too much rain.
Average temperatures and precipitation
This chart shows the average daily maximum and minimum temperatures (in degrees Celsius) and precipitation (in millimeters) in May for São Sebastião, Terceira. A low precipitation value usually indicates little to no rainfall on that day in recent years, while a higher value suggests more frequent rainfall.
Temperature records
With 25°C in 2023, São Sebastião reached the highest temperature in May over the past 10 years. The lowest daytime temperature in this month was 15°C in 2017. The extreme nighttime temperatures ranged from a lowest recorded value of 9°C to a highest value of 20°C.
Rainfall amount
In May, there is an average of 54 mm of precipitation, spread over 9 days. The wind speed is around 4 Bft, mostly coming from the South.
Daily weather in May for São Sebastião
Click on any day in May to get detailed info about the usual weather on that day in São Sebastião. Check out the historical temperatures and precipitation over the past 10 years on this day.
May weather comparison
| São Sebastião | New York | |
|---|---|---|
| Average temperature | 20°C | 22°C |
| Max. temperature | 21°C | 28°C |
| Min. temperature | 14°C | -5°C |
| Total precipitation | 54 mm | 105 mm |
| Rainy days | 9 days | 14 days |
Start of May
The month of May starts in São Sebastião with mild temps, averaging around 20°C during the day and nights around 15°C.
Mid May
By mid-May, daytime temps rise to around 21°C, with nights around 16°C. There’s a chance of some showers during this time, but plenty of dry and sunny days too.
End of May
By the end of May, the average daytime temperature in São Sebastião is around 21°C, while nighttime temps are about 17°C. A shower might pop up, but overall, the weather will be dry and sunny.
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UV index
The UV index is a maximum of 9 this month. That's a very high value on the intensity scale of 1 to 11. Unprotected skin can burn within 10-15 minutes.
Check out the climate of São Sebastião for all months and discover the best travel time
Temperature charts
These charts show the average temperatures in May in São Sebastião, Terceira. The temperatures are shown in degrees Celsius and are calculated based on data from the past 10 years.
Daily Temperature in May in São Sebastião
Temperature in May in São Sebastião over the years
Precipitation charts
These charts show the average amount of precipitation in May in São Sebastião, Terceira. Precipitation is always measured as water, even when it falls as snow or hail The amount of precipitation is displayed in millimeters, while snowfall is shown in centimeters.
Daily Precipitation in May in São Sebastião
Total precipitation in May in São Sebastião over the years
Daily UV index in May in São Sebastião
This chart shows the average daily UV index in May in São Sebastião, with the UV index ranging from 0 to a maximum of 11. The bottom of the chart shows the days of the month. Based on historical data, this chart provides an idea of the daily UV radiation levels you can expect.
Weather experiences in May in São Sebastião
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Average weather in São Sebastião by month
Click on a month below to see detailed weather info for São Sebastião. Based on historical weather data, you can see the average temperature, precipitation, wind, and UV index for each day of the month.