Monthly climate averages for Chainça, Portugal. Based on 10-year ERA5 reanalysis data.
Csb Warm-Summer Mediterranean
Climate OverviewChainça, Portugal in May has warm conditions, with highs averaging 20.3°C (69°F).
This month falls at the end of Spring.
Daily highs in May gradually rise from around 19°C (67°F) at the start to 23°C (73°F) by month's end.
Rainfall is heaviest during the first third of the month, while the last third tends to be drier.
Expect around 12.0h of sunshine at the start of May, increasing to 12.5h by the end.
The warmest days tend to fall around the 30th, averaging 22.9°C (73°F).
Compared to April, this month is about 3°C warmer with 5 fewer rainy days. Temperatures will rise further into June.
Daily averages based on historical data (2016–2025)
Daytime temperatures around 20°C (69°F) are ideal for full-day outdoor exploration.
Rain usually comes in shorter passing showers rather than all-day rain.
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 | 13°C / 5°C | 10°C / 2°C | 9days (89 mm) Wet | 6.8h Fair | 82% Humid | 2.6 Moderate | Fair | View Details |
| February | 14°C / 6°C | 11°C / 3°C | 8days (62 mm) Wet | 8.1h Good | 78% Humid | 3.5 Moderate | Fair | View Details |
| March | 15°C / 7°C | 12°C / 4°C | 12days (104 mm) Wet | 9.5h Good | 77% Humid | 4.8 Moderate | Fair | View Details |
| April | 17°C / 8°C | 16°C / 6°C | 12days (94 mm) Wet | 10.8h Excellent | 77% Humid | 6.3 High | Good | View Details |
| May | 20°C / 11°C | 20°C / 9°C | 7days (51 mm) Good | 12.1h Excellent | 74% Muggy | 7 High | Good | View Details |
| June best | 23°C / 13°C | 23°C / 12°C | 5days (22 mm) Good | 12.8h Excellent | 74% Muggy | 7.5 Very High | Excellent | View Details |
| July best | 26°C / 15°C | 26°C / 14°C | 1days (5 mm) Excellent | 13.1h Excellent | 71% Muggy | 7.9 Very High | Excellent | View Details |
| August best | 27°C / 15°C | 27°C / 14°C | 1days (3 mm) Excellent | 12.3h Excellent | 71% Muggy | 7.5 Very High | Excellent | View Details |
| September best | 24°C / 14°C | 24°C / 13°C | 4days (36 mm) Good | 10.8h Excellent | 73% Muggy | 5.9 High | Excellent | View Details |
| October | 21°C / 12°C | 20°C / 11°C | 10days (95 mm) Wet | 8.7h Good | 76% Humid | 4.3 Moderate | Good | View Details |
| November | 15°C / 9°C | 13°C / 6°C | 12days (110 mm) Wet | 7.2h Good | 82% Humid | 2.9 Moderate | Fair | View Details |
| December | 14°C / 6°C | 11°C / 3°C | 10days (90 mm) Wet | 6.8h Fair | 83% Humid | 2.4 Moderate | Fair | View Details |
Dress in layers — a mix of long sleeves, light sweaters, and a versatile jacket works best for changeable conditions.
A waterproof jacket or compact umbrella is recommended for occasional showers.
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