Portimão weather in April
April in Portimão: nice, a little rain, with clean air — an excellent time to visit.
#7 of 12 months in Portimão · #394 of 897 destinations to visit in April · comfort 82/100 (tier A)
Updated June 2026 · climate normals from ERA5 reanalysis
Traveller notes on Portimão in April
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Portimão climate normals — April
| Daytime high | 21°C / 70°F | 😎 nice |
|---|---|---|
| Nighttime low | 13°C / 55°F | |
| Rainfall | 42 mm / 1.6 in | 🌦 some rain |
| Rainy days | 9 days | |
| Humidity | 65% | 💧 humid |
| Dew point | 10°C / 49°F | |
| Sunshine | 11.5 h/day | |
| Daylight | 13.2 h | |
| Wind | 20 km/h / 12 mph | |
| Air quality (US AQI) | 42 | 🍃 good |
Monthly averages from ERA5 reanalysis. AQI is the mean US Air Quality Index for the month.
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Portimão in April — FAQ
- Is April a good time to visit Portimão?
- April in Portimão: nice, a little rain, with clean air — an excellent time to visit. It ranks #7 of 12 months for Portimão on SeasonMap's comfort score (82/100).
- What is the weather like in Portimão in April?
- In April, Portimão averages a daily high of 20.9°C and a low of 12.6°C, with about 41.5 mm of rain over roughly 8.8 rainy days.
- What is the air quality in Portimão in April?
- Portimão has a mean US Air Quality Index of about 42 in April.