Best year time to visit Rio Douro

General weather information about Rio Douro

Average annual temperature is 12.7 °C

Absolute maximum temperature: 36.4 °C

Absolute minimum temperature: -3.7 °C

Number of sunny days: 183 days

Number of rainy days: 182 days

Look at detailed online map of Rio Douro

* Weather data for Rio Douro Portugal is based on climate observations for 2026 year

Rio Douro air temperature forecast for each month

JanFebMarAprMayJunJulAugSepOctNovDec
Absolute maximum temperature (°C)12.716.220.023.525.130.328.836.428.528.617.513.8
Average daytime temperature (°C)9.211.513.218.120.123.224.627.021.819.213.29.8
Average temperature (°C)5.35.88.812.314.518.218.820.416.715.110.16.0
Average night temperature (°C)1.82.04.96.99.413.213.114.412.511.77.62.8
Absolute minimum temperature (°C)-3.7-3.0-3.40.64.410.37.59.86.85.62.4-3.0

Rio Douro monthly weather indicators

JanFebMarAprMayJunJulAugSepOctNovDec
Daylight maximum duration (h)10.011.012.013.014.015.015.014.013.011.010.09.0
Daylight mean duration (h)9.610.611.913.314.515.114.813.812.511.19.99.2
Daylight minimum duration (h)9.010.011.012.014.014.014.013.011.010.09.09.0
Sunshine mean duration (h)5.99.17.010.111.712.512.912.210.15.84.45.4
Precipitation (mm)29092166497145186143501495272
Sunny days13201018151223271113912
Rainy days188211216188419182119
Snow days000000000000

Best time to visit Rio Douro:

The best time to visit Rio Douro during the most sunny months:

  • May — 11.7(h)
  • June — 12.5(h)
  • July — 12.9(h)
  • August — 12.2(h)

The largest precipitation sum in Rio Douro is at

  • January — 290(mm)
  • October — 501(mm)
  • November — 495(mm)
  • December — 272(mm)
  • Frequently asked questions

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