Idanha-a-Velha Weather in May
Idanha-a-Velha in May sees high daytime temperatures of 25°C (77°F) and nighttime lows of 12°C (54°F). Moderate rainfall is typical, with around 52 mm (2 in) for the month.
Rainfall in Idanha-a-Velha in May
This month experiences about 11 days of rain according to historical data, averaging 52 mm (2 in). A fairly balanced picture this month, some wet days but nothing too extreme in terms of intensity.
Temperature in Idanha-a-Velha in May
May is a perfect month in Idanha-a-Velha, with 25°C (77°F) during the day and 12°C (54°F) at night. This gives the month a fairly typical daily rhythm, with warmer afternoons and more comfortable nights. With overnight lows of 12°C (54°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 Idanha-a-Velha in May
Expect sunny days throughout the month, with an estimated 228 hours of sunshine. This makes it a pleasant time to visit Idanha-a-Velha.If you favor pleasant temperatures and minimal rainfall, May is one of the best months to visit Idanha-a-Velha.
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 Idanha-a-Velha's climate page.
Idanha-a-Velha Temperature in May
Min Temperature
12°C (54°F)
Max Temperature
25°C (77°F)
Chance of Rain
36%
Precipitation
52 mm (2 in)
Rainy days
11 days
Humidity
73% *
Sunshine
228 hours *
Percentage Sunshine
*
Daily Historical Temperatures
46-year average (1976-2025)
Based on our historical records, temperatures in Idanha-a-Velha typically rise from around 16°C (61°F) at the start of May to approximately 21°C (70°F) by the end. Nights are cool, with lows typically ranging from 7°C (45°F) to 12°C (54°F).
Average temperatures in May
Daily Historical Precipitation
46-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 Idanha-a-Velha in May
Browse day-by-day weather records for Idanha-a-Velha spanning 51 years. Select any month and year to see actual temperatures, rainfall, and conditions recorded on each day.
Idanha-a-Velha historical weather extremes in May
Based on 29 years of weather observations in Idanha-a-Velha between 1997 and 2026, these are the recorded extremes.
- The hottest May day on record in Idanha-a-Velha reached 36°C (97°F) (May 29, 2026).
- Nighttime temperatures dropped to -2°C (28°F) on May 3, 2002, marking the coldest May night on record.
- Peak precipitation in May occurred on May 3, 2012, when 29 mm (1.1 in) of precipitation was measured.
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 Idanha-a-Velha in May
For Idanha-a-Velha in May, you'll want flexible clothing. It's wise to pack cotton shirts, comfortable shorts, and a pair of jeans for cooler evenings. A light sweater or jacket is useful for air-conditioned spaces (like buses) or unexpected cool moments. Rain is likely on several days, so bring a good rain jacket. And with plenty of sunshine hours, don’t forget sunglasses, sunscreen, and maybe a sun hat.What To Do in Idanha-a-Velha 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 Idanha-a-Velha's climate page.
Temperature Rainfall Sunshine Humidity
See the full Idanha-a-Velha climate overview or explore weather in Portugal.
