Average temperature in Oeiras
The mean minimum and maximum temperatures over the year in Oeiras (Lisbon Region), Portugal.
- The months of June, July, August, September and October have nice average temperatures.
- On average, the warmest month is August with 24°C.
- On average, the coolest month is January with 15°C.
- The average annual maximum temperature is 20°C.
- The average annual minimum temperature is 15°C.
Weather Forecasts for Oeiras
almost clear and no rain
broken clouds and chance of slight rain
overcast and rain