Monthly climate averages for Avis, Portugal. Based on 10-year ERA5 reanalysis data.
Csa Hot-Summer Mediterranean
Climate OverviewAvis, Portugal in May has warm conditions, with highs averaging 24.9°C (77°F). Temperatures drop noticeably between day and night.
This month falls at the end of Spring.
Daily highs in May gradually rise from around 23°C (74°F) at the start to 28°C (83°F) by month's end.
Rainfall is heaviest during the first third of the month, while the last third tends to be drier.
The warmest days tend to fall around the 31th, averaging 28.4°C (83°F).
Compared to April, this month is about 4°C warmer with 5 fewer rainy days. Temperatures will rise further into June.
Daily averages based on historical data (2016–2025)
Daytime temperatures around 25°C (77°F) are ideal for full-day outdoor exploration.
Rain is uncommon in this month, so most days stay dry from morning through evening.
2 of the last 5 yearly records were warmer than this month's long-run average.
| Month | Temp | Feels Like | Rain | Sun | Humidity | UV | Status | Details |
|---|---|---|---|---|---|---|---|---|
| January | 14°C / 6°C | 12°C / 4°C | 8days (59 mm) Wet | 6.8h Fair | 79% Humid | 2.5 Moderate | Fair | View Details |
| February | 16°C / 7°C | 14°C / 5°C | 7days (45 mm) Good | 7.9h Good | 74% Muggy | 3.7 Moderate | Fair | View Details |
| March | 18°C / 8°C | 15°C / 6°C | 10days (88 mm) Wet | 9.1h Good | 73% Muggy | 4.9 Moderate | Good | View Details |
| April | 21°C / 10°C | 19°C / 8°C | 10days (68 mm) Wet | 10.5h Excellent | 70% Muggy | 6.3 High | Good | View Details |
| May best | 25°C / 13°C | 24°C / 12°C | 5days (38 mm) Good | 11.8h Excellent | 62% Muggy | 7.4 Very High | Excellent | View Details |
| June best | 29°C / 16°C | 29°C / 15°C | 4days (14 mm) Good | 12.6h Excellent | 58% Moderate | 7.7 Very High | Excellent | View Details |
| July best | 33°C / 18°C | 34°C / 18°C | 1days (3 mm) Excellent | 13h Excellent | 52% Moderate | 8 Very High | Excellent | View Details |
| August | 34°C / 18°C | 34°C / 18°C | 1days (3 mm) Excellent | 12.4h Excellent | 52% Moderate | 7.5 Very High | Excellent | View Details |
| September best | 29°C / 16°C | 29°C / 16°C | 4days (26 mm) Good | 10.7h Excellent | 59% Moderate | 5.9 High | Excellent | View Details |
| October best | 25°C / 14°C | 24°C / 14°C | 8days (62 mm) Wet | 8.5h Good | 67% Muggy | 4.3 Moderate | Excellent | View Details |
| November | 18°C / 10°C | 16°C / 8°C | 10days (70 mm) Wet | 6.9h Fair | 79% Humid | 3 Moderate | Good | View Details |
| December | 15°C / 8°C | 13°C / 5°C | 8days (65 mm) Wet | 6.7h Fair | 82% Humid | 2.5 Moderate | Fair | View Details |
Summer clothing like shorts, t-shirts, and sundresses will be comfortable. Bring a light cardigan for air-conditioned spaces.
Temperatures drop significantly at night, so pack layers you can add or remove throughout the day.
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