Weather in Porto in August

General weather information about Porto

Average annual temperature is 15.1 °C

Absolute maximum temperature: 34.2 °C

Absolute minimum temperature: -0.3 °C

Number of sunny days: 121 days

Number of rainy days: 244 days

Look at detailed online map of Porto

* Weather data for Porto Spain is based on climate observations for 2026 year

Porto air temperature forecast for each month

JanFebMarAprMayJunJulAugSepOctNovDec
Absolute maximum temperature (°C)15.120.621.626.125.831.126.634.229.332.419.918.0
Average daytime temperature (°C)12.414.015.718.220.023.322.824.723.721.716.013.6
Average temperature (°C)9.89.112.313.916.319.319.220.519.317.513.310.3
Average night temperature (°C)7.35.39.410.313.015.915.516.815.614.210.97.1
Absolute minimum temperature (°C)0.71.10.85.810.113.712.811.311.79.15.1-0.3

Porto monthly weather indicators

JanFebMarAprMayJunJulAugSepOctNovDec
Daylight maximum duration (h)9.011.012.014.015.015.015.014.013.011.010.09.0
Daylight mean duration (h)9.410.511.913.414.715.415.013.912.511.09.79.0
Daylight minimum duration (h)9.09.011.012.014.015.014.013.011.010.09.08.0
Sunshine mean duration (h)5.28.48.09.512.111.911.811.29.86.84.94.5
Precipitation (mm)2732519893391126243115451402258
Sunny days10227131210797879
Rainy days21624171920242223232322
Snow days000000000000

Best time to visit Porto:

The best time to visit Porto during the most sunny months:

  • May — 12.1(h)
  • June — 11.9(h)
  • July — 11.8(h)
  • August — 11.2(h)

Months with the longest average daylight duration in Porto:

  • June — 15.4(h)

The largest precipitation sum in Porto is at

  • January — 273(mm)
  • October — 451(mm)
  • November — 402(mm)
  • December — 258(mm)
  • Frequently asked questions

    When is the best time to visit Porto?
    The historical weather data above shows the warmest, sunniest and driest months to help you choose the best time to visit Porto.
    What is the weather like in Porto?
    See average temperature, rainfall and daylight hours for Porto by month in the table above.
    How many sunny days does Porto have?
    The monthly weather statistics above show sunshine and rainfall patterns for Porto throughout the year.