Sesimbra Weather in May
Sesimbra in May averages 20°C (68°F) during the day and 15°C (59°F) at night. Some rainfall is typical for this time of year.
Rainfall in Sesimbra in May
Rain is expected on roughly 8 days, totalling around 39 mm (1.5 in) for the month. The rainfall pattern this month is fairly balanced. Showers tend to be moderate rather than extreme.
Temperature in Sesimbra in May
The temperature in Sesimbra in May is perfect. Daytime highs reach 20°C (68°F), with nights dropping to 15°C (59°F). This creates a mild day-to-night pattern that is generally easy to manage with the right clothing. At 15°C (59°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 Sesimbra in May
There are approximately 290 hours of sunshine this month, resulting in mostly clear days.If you favor pleasant temperatures and minimal rainfall, May is one of the best months to visit Sesimbra.
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 Sesimbra's climate page.
Sesimbra Temperature in May
Min Temperature
15°C (59°F)
Max Temperature
20°C (68°F)
Chance of Rain
25%
Precipitation
39 mm (1.5 in)
Rainy days
8 days
Sunshine
290 hours *
Percentage Sunshine
63% *
Daily Historical Temperatures
50-year average (1976-2025)
Based on our historical records, temperatures in Sesimbra typically stay consistent throughout May, with daily highs averaging around 20°C (68°F). Nights are cool, with lows typically ranging from 12°C (54°F) to 15°C (59°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 Sesimbra in May
Browse day-by-day weather records for Sesimbra spanning 51 years. Select any month and year to see actual temperatures, rainfall, and conditions recorded on each day.
Sesimbra historical weather extremes in May
Our historical data for Sesimbra spans 1976 to 2025, revealing these weather extremes.
- The hottest May day on record in Sesimbra reached 35°C (95°F) (May 30, 2019).
- On May 9, 1981, Sesimbra saw its coldest May day with temperatures maxing out at 13°C (55°F).
- Nighttime temperatures dropped to 7°C (45°F) on May 14, 1988, marking the coldest May night on record.
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
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tolerable
unpleasant
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What to Wear in Sesimbra 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. And with plenty of sunshine hours, don’t forget sunglasses, sunscreen, and maybe a sun hat.What To Do in Sesimbra 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 Sesimbra's climate page.
See the full Sesimbra climate overview or explore weather in Portugal.
