Santa Maria Island Weather in May
May in Santa Maria Island sees daytime temperatures around 19°C (66°F) and lows of 16°C (61°F) at night. Pack a rain jacket because some rainfall is likely.
Rainfall in Santa Maria Island in May
Historically, the month has about 12 days of rain, averaging 45 mm (1.8 in) in total. Neither particularly heavy nor particularly frequent, the rain this month is about average. A light jacket should be enough on most wet days.
Temperature in Santa Maria Island in May
In May, Santa Maria Island sees pleasant temperatures, with highs of 19°C (66°F). Nights drop to around 16°C (61°F). Temperatures can feel cooler in the morning and evening, so layering is often the best approach. Nights drop to around 16°C (61°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 Santa Maria Island in May
Enjoy a sunny month with about 246 hours of sunshine, the clear skies make Santa Maria Island even more beautiful.Should you favor a climate that's both dry and comfortably warm, June, July, August, September, October and November typically offer the most agreeable circumstances. If you're seeking pleasant, dry and sunny weather somewhere else in the world, our weather planner can help you explore other options.
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 Santa Maria Island's climate page.
Santa Maria Island Temperature in May
Min Temperature
16°C (61°F)
Max Temperature
19°C (66°F)
Chance of Rain
40%
Precipitation
45 mm (1.8 in)
Rainy days
12 days
Humidity
75%
Sunshine
246 hours
Percentage Sunshine
Daily Historical Temperatures
50-year average (1976-2025)
Based on our historical records, temperatures in Santa Maria Island typically stay consistent throughout May, with daily highs averaging around 19°C (66°F). Nights are pleasant, with lows typically ranging from 14°C (57°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 Santa Maria Island in May
Browse day-by-day weather records for Santa Maria Island spanning 51 years. Select any month and year to see actual temperatures, rainfall, and conditions recorded on each day.
Santa Maria Island historical weather extremes in May
According to our 50 years of weather records for Santa Maria Island, the following extremes were recorded between 1976 and 2026.
- The hottest May day on record in Santa Maria Island reached 24°C (75°F) (May 25, 2020).
- The lowest daytime temperature in May was 15°C (59°F), recorded on May 6, 1983.
- The lowest overnight temperature recorded in May was 9°C (48°F) (May 18, 1976).
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 Santa Maria Island 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. And with plenty of sunshine hours, don’t forget sunglasses, sunscreen, and maybe a sun hat.What To Do in Santa Maria Island 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 Santa Maria Island's climate page.
Temperature Rainfall Sunshine Humidity
See the full Santa Maria Island climate overview or explore weather in Portugal.
