Porto weather in April
Temperature, sea and sunshine in April: long-term averages from 30 years of weather data, not a forecast.
Holiday weather in April
Good
Best time to visit: June – September
What is the weather like in Porto in April?
In April, Porto is mild: daytime highs average 18 °C, and nights cool down to about 10 °C. The sea averages 14.7 °C – swimming is only for the hardy. The sun shines for around 7 hours a day. Rain is frequent, with about 12 rainy days and 126 mm in total. All in all, April is a good month for a holiday in Porto.
April compared
How the weather changes from March to May. Tap a month to open it.
More details for April
- Daylight
- 13 h 16 min06:57 – 20:13
- UV index
- 7 · highclear sky, noon (estimate)All months
- Muggy days
- 0 daysdew point 18 °C or more
- Wind
- 18 km/haverage daily peak
- Cloud cover
- 58 %on average
- Hot days
- 0 days30 °C or more
- Time zone
- UTC+1Europe/Lisbon
How the score comes together
- Temperatureweight 50 %97 %
- Sunshineweight 20 %67 %
- Few rainy daysweight 30 %41 %
Each factor is rated from 0 to 100 % and weighted for the travel style “City break”.
What to pack in April
- Sunscreen
- Sunglasses & sun hat
- A jumper for the evenings
- Rain jacket or umbrella
Porto in April: quick answers
Is Porto hot in April?
No. In April, Porto is mild: daytime highs average 18 °C and nights drop to about 10 °C.
Can you swim in Porto in April?
Only if you don't mind cold water: in April the sea averages just 14.7 °C. Comfortable swimming temperatures are not reached at any time of year.
Does it rain much in Porto in April?
Rain is frequent, with about 12 rainy days and 126 mm in total.
Porto month by month
The whole year in PortoAll destinations: PortugalWhere to go in AprilSea temperature in April
Climate averages 1996–2025, not a forecast. Data: Copernicus ERA5 / ERA5-Land via Open-Meteo.com (CC BY 4.0), NOAA OISST, WMO 1991–2020 (NOAA NCEI), GeoNames (CC BY 4.0)