Santa Maria Island
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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.

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

Santa Maria Island Weather by Month

Pick a month to see the average temperature, rainfall and sunshine in Santa Maria Island - and find the best time to visit.

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 records 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 →

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 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.

  • Cycling
    10/10
  • Walking
    10/10
  • Camping
    10/10
  • Outdoor sports
    10/10

Santa Maria Island 3-Day Forecast

More climate data for Santa Maria Island

Popular in May

Where to go in May - average daytime high across popular destinations.

Bucket list

Need travel inspiration? Check out our bucket list articles and be inspired.