Porto Formoso Weather in May

May in Porto Formoso typically sees daytime highs of 19°C (66°F) and nighttime lows of 15°C (59°F). Rainfall is also possible this month, so it's worth packing an umbrella.

Rainfall in Porto Formoso in May

The climate data from previous years indicates about 14 days of rain, averaging 68 mm (2.7 in) for the month. A fairly balanced picture this month, some wet days but nothing too extreme in terms of intensity.

Temperature in Porto Formoso in May

Porto Formoso in May gets highs of 19°C (66°F) during the day and drops to 15°C (59°F) at night. Even when the weather is stable, mornings and evenings can still feel distinctly cool. Nights drop to around 15°C (59°F), which is noticeably cooler than the daytime. A light jacket for the evening is a sensible addition, and the cool nights tend to make sleeping comfortable.

Sunshine in Porto Formoso in May

The month brings about 175 hours of sunlight, offering a comfortable mix of sun and overcast.

Average water temperature in May

With water at 19°C (66°F), swimming is comfortable for most people. It feels refreshing rather than cold, though it depends a bit on personal preference.

If you prefer dry days with pleasant temperatures, June, July, August and September typically offer the best circumstances. If you're seeking pleasant, dry and sunny weather somewhere else in the world, our weather planner can help you explore other options.

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

Porto Formoso Temperature in May

Min Temperature 15°C (59°F)  

Max Temperature 19°C (66°F)  

Water Temperature 19°C (66°F) *  

Chance of Rain 47%  

Precipitation 68 mm (2.7 in)  

Rainy days 14 days  

Humidity 80% *  

Sunshine 175 hours *  

Percentage Sunshine *  

* Data from: Ponta Delgada, Portugal (22 KM, 14 Miles).

What to Wear in Porto Formoso 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. Rain gear is recommended, you can expect wet weather on multiple days. Expect water temperatures of around 19°C (66°F), which is ideal for taking a refreshing dip. Bring swimwear and consider packing a towel for drying off. Bring sunglasses since you'll have some sunny periods throughout the month

What To Do in Porto Formoso in May

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

Swimming

6/10

Cycling

10/10

Walking

10/10

Barbeque

7/10

Camping

8/10

Outdoor sports

10/10

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 Porto Formoso's climate page.

More climate data for Porto Formoso

Temperature Rainfall Sunshine Humidity Water Temp

See the full Porto Formoso climate overview or explore weather in Portugal.