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May in Coimbra brings high temperatures, with highs of 23°C (73°F) and nights dropping to 12°C (54°F). Rainfall is on the higher side this month, averaging around 83 mm (3.3 in), so keep a rain jacket handy.
If you're inclined towards comfortable temperatures and drier conditions, May is a good time to visit Coimbra.
Pick a month to see the average temperature, rainfall and sunshine in Coimbra - and find the best time to visit.
49-year average (1976-2025)
Based on our historical records, temperatures in Coimbra typically stay consistent throughout May, with daily highs averaging around 23°C (73°F). Nights are cool, with lows typically ranging from 10°C (50°F) to 13°C (55°F).
49-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 Coimbra spanning 50 years. Select any month and year to see actual temperatures, rainfall, and conditions recorded on each day.
According to our 28 years of weather records for Coimbra, the following extremes were recorded between 1997 and 2025.
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).
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. Prepare for significant rainfall with proper waterproof clothing and shoes. Don't forget sun protection, sunglasses, sunscreen, and a hat. These are all good ideas with this much sunshine.
We rated the following activities from 1 (least suitable) to 10 (best) to do.
Temperature Rainfall Sunshine Humidity
See the full Coimbra climate overview or explore weather in Portugal.
Where to go in May - average daytime high across popular destinations.
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