Caldelas Weather in May

May in Caldelas averages 21°C (70°F) during the day and 10°C (50°F) at night. Quite a bit of rainfall is typical this month, with around 144 mm (5.7 in) on average. An umbrella is a good idea.

Rainfall in Caldelas in May

You can expect rain on roughly 14 days based on historical data, averaging 144 mm (5.7 in) for the month. When showers do arrive, they tend to be on the heavier side. Worth being prepared even if rain days are not that numerous.

Temperature in Caldelas in May

Temperatures in Caldelas in May top out at 21°C (70°F) and drop to 10°C (50°F) overnight. A light jacket or extra layer can be useful, especially outside the warmest hours of the day. Nights cool down to 10°C (50°F), so a light jacket or extra layer is useful once the sun goes down. On the plus side, the cooler nights make for comfortable sleeping conditions.

Sunshine in Caldelas in May

There are approximately 255 hours of sunshine this month, resulting in mostly clear days.

If you prefer enjoying temperate temperatures and rain-free days, June, July and August 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 Caldelas's climate page.

Caldelas Temperature in May

Min Temperature 10°C (50°F)  

Max Temperature 21°C (70°F)  

Chance of Rain 47%  

Precipitation 144 mm (5.7 in)  

Rainy days 14 days  

Humidity 74% *  

Sunshine 255 hours *  

Percentage Sunshine 61% *  

* Data from: Porto, Portugal (54 KM, 34 Miles).

What to Wear in Caldelas in May

For Caldelas in May, you'll want flexible clothing. It's wise to pack cotton shirts, comfortable shorts, and a pair of jeans for cooler evenings. A light sweater or jacket is useful for air-conditioned spaces (like buses) or unexpected cool moments. High rain levels are expected, so pack waterproof gear and an umbrella or poncho. You'll definitely want to pack sunglasses and sunscreen. There will be plenty of bright sunshine this month.

What To Do in Caldelas in May

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

Cycling

9/10

Walking

9/10

Camping

6/10

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 Caldelas's climate page.

More climate data for Caldelas

Temperature Rainfall Sunshine Humidity

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