Alvor Weather in May
May is one of the perfect months to visit Alvor, with daytime temperatures of 22°C (72°F) and lows of 15°C (59°F) at night. Some rainfall is typical for this time of year.
Rainfall in Alvor in May
Rain is expected on roughly 5 days, totalling around 31 mm (1.2 in) for the month. Rain days are few and the total is low, so this is a largely dry month. Any showers that do occur tend to be brief.
Temperature in Alvor in May
Weather in Alvor is at its perfect in May. Highs reach 22°C (72°F), while nights settle around 15°C (59°F). Conditions stay fairly consistent through the month, making it easier to plan what to wear. With overnight lows of 15°C (59°F), evenings can feel noticeably cooler than the daytime. An extra layer is a good idea, though the cool air makes for a good night's sleep.
Sunshine in Alvor in May
With approximately 320 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 Alvor.
Check the conditions for any month of the year.
For a detailed overview over the year and the best time to visit Portugal, check out our Alvor's climate page.
Alvor Temperature in May
Min Temperature
15°C (59°F)
Max Temperature
22°C (72°F)
Chance of Rain
15%
Precipitation
31 mm (1.2 in)
Rainy days
5 days
Sunshine
320 hours *
Percentage Sunshine
*
Daily Historical Temperatures
50-year average (1976-2025)
Based on our historical records, temperatures in Alvor typically stay consistent throughout May, with daily highs averaging around 22°C (72°F). Nights are pleasant, with lows typically ranging from 13°C (55°F) to 16°C (61°F).
Average temperatures in May
Daily Historical Precipitation
50-year average (1976-2025)
Average daily rainfall for each day of the month based on long-term records.
Average precipitation in May
Historical weather for Alvor in May
Browse day-by-day weather records for Alvor spanning 51 years. Select any month and year to see actual temperatures, rainfall, and conditions recorded on each day.
Alvor historical weather extremes in May
Our historical data for Alvor spans 1976 to 2026, revealing these weather extremes.
- The hottest May day on record in Alvor reached 34°C (93°F) (May 30, 2025).
- On May 2, 2004, Alvor saw its coldest May day with temperatures maxing out at 14°C (57°F).
- The coldest night in May in Alvor was on May 1, 1978, with a minimum of 6°C (43°F).
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 →
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What to Wear in Alvor in May
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. Don't forget sun protection, sunglasses, sunscreen, and a hat. These are all good ideas with this much sunshine.What To Do in Alvor in May
We rated the following activities from 1 (least suitable) to 10 (best) to do.
Check the conditions for any month of the year.
For a detailed overview over the year and the best time to visit Portugal, check out our Alvor's climate page.
See the full Alvor climate overview or explore weather in Portugal.
