Porto weather in May
Monthly temperatures, rain, humidity, what to wear and what to pack — 2024–2025 historical average
Porto May weather at a glance
In May, Porto averages 15.8°C, with typical highs of 19.5°C and lows of 12.1°C. The historical average is 12 wet days and 79% humidity.
Porto May temperature & humidity
Porto May rain & wet days
Pack a compact umbrella. Keep an indoor stop available between outdoor activities.
What to wear in Porto in May
T-shirts or long sleeves with one light outer layer should be comfortable. Showers are possible, so a compact umbrella is useful.
- DaytimeLong sleeves and a light jacket · average high 19.5°C
- Morning & eveningLong sleeves with a jacket or cardigan · average low 12.1°C
- FootwearComfortable walking shoes; quick-dry footwear for rainy days.
Packing essentials
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Porto May sunrise & sunset times
2026 May · Local time (Europe/Lisbon)
| Date | Sunrise | Sunset | Daylight |
|---|---|---|---|
| 2026-05-01 | 06:32 | 20:31 | 13h 59m |
| 2026-05-15 | 06:16 | 20:46 | 14h 29m |
| 2026-05-31 | 06:05 | 21:00 | 14h 55m |
For sunset photos, arrive before the listed sunset time. Clouds, mountains and buildings can change when the sun becomes visible or disappears.
Calculated for the city coordinates with daylight saving applied. SunCalc · tz-lookup
Porto travel updates
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Today’s weather and forecast
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Forecast · Windy. Monthly averages are in the Temperature section.
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Porto city map
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Porto travel essentials
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Best months to visit Porto
Bar height shows our simple weather-comfort score, not a safety rating; colour shows temperature.
May weather by year
Daily weather in 2025
Daily high and low temperatures; blue labels show precipitation
Frequently asked questions
What is Porto weather like in May?
In May, Porto averages 15.8°C, with typical highs of 19.5°C and lows of 12.1°C. The historical average is 12 wet days and 79% humidity. Our weather-comfort rating for this month is good.
Does it rain a lot in Porto in May?
There are about 12 wet days in May. A compact umbrella is still useful.
What should I wear in Porto in May?
T-shirts or long sleeves with one light outer layer should be comfortable. Showers are possible, so a compact umbrella is useful.
What are the best months to visit Porto?
Recent weather data rates May, June, July, August among the more comfortable months.
Where can I check Porto weather in May in real time?
Check local webcams for the view right now and a local weather service for today’s forecast. Monthly temperatures here are historical averages.
What time are sunrise and sunset in Porto in May?
On 2026-05-15, calculated sunrise is 06:16 and sunset is 20:46 in local time (Europe/Lisbon). Times vary by date and terrain.
Porto weather by month
More Europe destinations in May
Open-Meteo (CC BY 4.0) · 2024–2025 historical data, aggregated and rounded by this site. Not a forecast or long-term climate normal. Calculation method and limitations