Leça do Bailio Weather in May
What's the weather like in Leça do Bailio (Porto) in May 2026?
The climate in Leça do Bailio during May can be summarized as mild and a little damp.
May is in the spring in Leça do Bailio and is typically the 6th warmest month of the year. Daytime maximum temperatures average around 20°C (67°F), whilst at night 10°C (51°F) is normal.
| Daytime temperature | 19.5°C 67.1°F |
|---|---|
| Nightly temperature | 10.3°C 50.5°F |
| Average temperature | 14.9°C 58.8°F |
| Daily sunshine | 9 hrs |
| Avg rainfall | 90 mm 3.5 ins |
| Rainy days | 13 days |
| Sea temperature | 15.5°C 59.8°F |
| Humidity | 74% |
| Windspeed | 16.6kph 10 mph |
On average May is the 5th driest month of the year in Leça do Bailio with around 90mm 3.5 inches of rain making it a a little damp time to visit. This rainfall is typically spread over 13 days, although this may vary considerably.
On the flip side this corresponds to an average of 9 hours of sunshine per day.
May temperatures in Leça do Bailio
May rainfall
May hourly sunshine
The data used in these monthly averages covers a period of over 100 years right up until last year. As such they are a valid prediction of what to expect for the weather in Leça do Bailio in May 2025.
Other monthly averages
Leça do Bailio weather stats
| Hottest month: | July | 24.6°C 76.3°F |
|---|---|---|
| Driest month: | July | 17mm 0.7ins |
| Sunniest month: | August | 10.2hrs |
| Coldest month: | January | 13°C 55.4°F |
| Wettest month: | January | 179mm 7ins |
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