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Sines Weather in May
May in Sines sees daytime temperatures around 21°C (70°F) and lows of 15°C (59°F) at night. The excellent weather makes it a good time to visit.
Rainfall in Sines in May
Expect around 6 days of rain based on historical data, with 37 mm (1.5 in) average. When rain does fall, showers tend to be light and brief. Most days will be dry.
Temperature in Sines in May
May is a excellent month in Sines, with 21°C (70°F) during the day and 15°C (59°F) at night. A light jacket or extra layer can be useful, especially outside the warmest hours of the day. With lows of 15°C (59°F), nights are cool. If you're out after dark, an extra layer will keep you comfortable. The cooler air at night is also great for getting a good rest.If you're inclined towards comfortable temperatures and drier conditions, May is a good time to visit Sines.
Sines Temperature in May
Min Temperature
15°C (59°F)
Max Temperature
21°C (70°F)
Chance of Rain
21%
Precipitation
37 mm (1.5 in)
Rainy days
6 days
Sines Weather by Month
Pick a month to see the average temperature, rainfall and sunshine in Sines - and find the best time to visit.
Best Places in Portugal in May
Find out more about the weather in Portugal and which places have the best travel conditions in this month. See all of Portugal in May →
perfect weather
pleasant
tolerable
unpleasant
poor
Perfect weather is subjective. On this map perfect weather has been defined with temperatures between 20°C (68°F) and 29°C (84°F) and not too much precipitation (less than 90 mm (3.5 in) a month).
What to Wear in Sines in May
Pleasant temperatures in May mean you can pack light but flexibel pieces. Think cotton t-shirts, comfortable walking shorts, and one warmer layer for evenings. A light sweater or denim jacket works well. Pack a light rain jacket or compact umbrella for occasional showers.
What To Do in Sines in May
We rated the following activities from 1 (least suitable) to 10 (best) to do.
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Cycling10/10 -
Walking10/10 -
Camping10/10 -
Outdoor sports10/10
Sines 3-Day Forecast
More climate data for Sines
See the full Sines climate overview or explore weather in Portugal.
Popular in May
Where to go in May - average daytime high across popular destinations.
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