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May in Vale do Lobo typically sees daytime highs of 22°C (72°F) and nighttime lows of 15°C (59°F). Expect some rainfall during the month.
If your ideal day consists of dry skies and pleasant temperatures, May, June, July, August, September and October typically offer the best circumstances for Vale do Lobo.
Pick a month to see the average temperature, rainfall and sunshine in Vale do Lobo - and find the best time to visit.
50-year average (1976-2025)
Based on our historical records, temperatures in Vale do Lobo typically rise from around 21°C (70°F) at the start of May to approximately 24°C (75°F) by the end. Nights are pleasant, with lows typically ranging from 13°C (55°F) to 17°C (63°F).
50-year average (1976-2025)
Average daily rainfall for each day of the month based on long-term records.
Browse day-by-day weather records for Vale do Lobo spanning 51 years. Select any month and year to see actual temperatures, rainfall, and conditions recorded on each day.
Based on 50 years of weather observations (1976-2026), these are the most extreme conditions recorded in Vale do Lobo.
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 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).
Comfortable temperatures call for an easy wardrobe in May. Pack summer basics like t-shirts and shorts, but include a light jacket for cooler moments. A pair of comfortable walking shoes is essential. Light rain is possible, so consider bringing a small umbrella or rain jacket. The water temperature sits at about 17°C (63°F), which is too chilly for most people to enjoy swimming. Leave the swimsuit at home unless you love cold water. You'll definitely want to pack sunglasses and sunscreen. There will be plenty of bright sunshine this month.
We rated the following activities from 1 (least suitable) to 10 (best) to do.
Temperature Rainfall Sunshine Humidity Wind Speed Water Temp
See the full Vale do Lobo climate overview or explore weather in Portugal.
Where to go in May - average daytime high across popular destinations.
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