Seia Weather in May

During May, Seia experiences pleasant daytime temperatures of 21°C (70°F) and cooler nights around 10°C (50°F). Expect quite a bit of rainfall. Around 90 mm (3.5 in) is typical.

Rainfall in Seia in May

You can expect rain on roughly 13 days based on historical data, averaging 90 mm (3.5 in) for the month. When it rains this month, it tends to come down fairly heavily. Showers can be substantial even if they don't last all day.

Temperature in Seia in May

May is a good time to be in Seia. Days are perfect, reaching 21°C (70°F), with nights around 10°C (50°F). Conditions are often most pleasant around the middle of the day. With lows of 10°C (50°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.

Sunshine in Seia in May

Expect a lot of sunshine this month, with about 228 hours of sun. These sunny conditions add to the overall experience.

Wind Speed in Seia in May

May has wind speeds averaging 5 m/s (10 knots). You can expect gentle to moderate winds that move small trees and make flags wave steadily on typical days. Conditions typically range from light breezes to moderate winds.

So this is a great month to visit if you prefer dry days with pleasant temperatures.

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Check the conditions for any month of the year.

• January
• February
• March
• April

• May
• June
• July
• August

• September
• October
• November
• December

For a detailed overview over the year and the best time to visit Portugal, check out our Seia's climate page.

Seia Temperature in May

Min Temperature 10°C (50°F)  

Max Temperature 21°C (70°F)  

Chance of Rain 42%  

Precipitation 90 mm (3.5 in)  

Rainy days 13 days  

Humidity 73% *  

Windspeed 5 m/s (10 knots) *  

Sunshine 228 hours *  

Percentage Sunshine *  

* Data from: Penhas Douradas, Portugal (12 KM, 8 Miles).

What to Wear in Seia 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. Prepare for significant rainfall with proper waterproof clothing and shoes. Don't forget sun protection, sunglasses, sunscreen, and a hat. These are all good ideas with this much sunshine.

What To Do in Seia in May

We rated the following activities from 1 (least suitable) to 10 (best) to do.

Cycling

9/10

Walking

9/10

Barbeque

8/10

Camping

8/10

Outdoor sports

9/10

Select a Month

Check the conditions for any month of the year.

• January
• February
• March
• April

• May
• June
• July
• August

• September
• October
• November
• December

For a detailed overview over the year and the best time to visit Portugal, check out our Seia's climate page.

More climate data for Seia

Temperature Rainfall Sunshine Humidity Wind Speed

See the full Seia climate overview or explore weather in Portugal.