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Rio Maior Weather in May
May in Rio Maior brings high temperatures, with daytime highs of 23°C (73°F) and nights around 13°C (55°F). The excellent weather makes it a solid choice for a visit.
Rainfall in Rio Maior in May
Typically around 10 days of rainfall are expected, averaging 58 mm (2.3 in) for the month. The rainfall pattern this month is fairly balanced. Showers tend to be moderate rather than extreme.
Temperature in Rio Maior in May
May in Rio Maior is generally excellent, with days reaching 23°C (73°F) and nights settling around 13°C (55°F). This kind of day-to-night contrast is typical for this time of year. At 13°C (55°F) overnight, it can feel quite a bit cooler after dark. Worth packing something warmer for evenings, but the cooler temperatures are ideal for sleeping.
Sunshine in Rio Maior in May
With approximately 225 hours of sunshine, the days are filled with clear skies. It makes it a perfect month for being outside.If your ideal day consists of dry skies and pleasant temperatures, April, May, June, July, August, September and October typically offer the best circumstances for Rio Maior.
Rio Maior Temperature in May
Min Temperature
13°C (55°F)
Max Temperature
23°C (73°F)
Chance of Rain
33%
Precipitation
58 mm (2.3 in)
Rainy days
10 days
Humidity
83% *
Sunshine
225 hours *
Percentage Sunshine
50% *
* Data from: Cabo Carvoeiro, Portugal (40 KM, 25 Miles).
Rio Maior Weather by Month
Pick a month to see the average temperature, rainfall and sunshine in Rio Maior - 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 Rio Maior 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. Don't forget sun protection, sunglasses, sunscreen, and a hat. These are all good ideas with this much sunshine.
What To Do in Rio Maior in May
We rated the following activities from 1 (least suitable) to 10 (best) to do.
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Cycling10/10 -
Walking10/10 -
Barbeque9/10 -
Camping8/10 -
Outdoor sports10/10
Rio Maior 3-Day Forecast
More climate data for Rio Maior
Temperature Rainfall Sunshine Humidity
See the full Rio Maior climate overview or explore weather in Portugal.
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