Guifões Weather in May
What's the weather like in Guifões (Porto) in May 2026?
The climate in Guifões during May can be summarized as mild and a little damp.
May is in the spring in Guifões and is typically the 6th warmest month of the year. Daytime maximum temperatures average around 20°C (67°F), whilst at night 11°C (51°F) is normal.
| Daytime temperature | 19.6°C 67.3°F |
|---|---|
| Nightly temperature | 10.6°C 51.1°F |
| Average temperature | 15.1°C 59.2°F |
| Daily sunshine | 9 hrs |
| Avg rainfall | 89 mm 3.5 ins |
| Rainy days | 13 days |
| Sea temperature | 15.5°C 59.8°F |
| Humidity | 74% |
| Windspeed | 16.2kph 10 mph |
On average May is the 5th driest month of the year in Guifões with around 89mm 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 Guifões
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 Guifões in May 2025.
Other monthly averages
Guifões weather stats
| Hottest month: | July | 24.5°C 76.1°F |
|---|---|---|
| Driest month: | July | 17mm 0.7ins |
| Sunniest month: | August | 10.2hrs |
| Coldest month: | January | 13.5°C 56.3°F |
| Wettest month: | January | 182mm 7.2ins |
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