Oeiras Climate by Month
The temperature in Oeiras varies moderately throughout the year.
The temperatures shift from warm
to mild.
It receives a moderate amount of precipitation.
Now, let’s break down all the climate details for a clearer picture.
Average day and night temperature
The weather in Oeiras changes moderately throughout the year, offering enough variation to appreciate each season. On average, daytime temperatures range from a comfortable 24°C in August to a moderate 15°C in January. Nighttime temperatures can drop, with averages reaching 11°C in January.
The mean minimum and maximum temperatures throughout the year
Precipitation and rainy days
Generally, Oeiras has a moderate amount of precipitation, averaging 609 mm of rainfall annually. The seasons in Oeiras, bring significant changes in precipitation. The wettest month, November, receives moderate rainfall, with an average of 91 mm of precipitation. This rainfall is distributed across 13 rainy days. In contrast, the driest month, July, experiences much less rainfall, totaling 3.3 mm over 2 rainy days. These distinct seasonal differences provide diverse experiences throughout the year.The mean monthly precipitation over the year, including rain, hail and snow
The average number of days each month with precipitation
Sunshine over the year
In Oeiras, summer days are longer and more sunny, with daily sunshine hours peaking at 12.8 hours in July. As the darker season arrives, the brightness of the sun becomes less. December sees a soft sun for only 5.4 hours per average day.Monthly hours of sunshine
Daily hours of sunshine
Daily percentage of sunshine
Average humidity
The relative humidity is moderate throughout the year in Oeiras.
Relative humidity over the year
The best time of year to visit Oeiras in Portugal
During the months of June, July, August, September and October you are most likely to experience good weather with pleasant average temperatures that fall between 20°C and 26°C.Other facts from our historical weather data:
Yes, the months of June, July and August are very dry.
August has an average maximum temperature of 24°C and is the warmest month of the year.
The coldest month is January with an average maximum temperature of 15°C.
November tops the wettest month list with 91 mm of rainfall.
July is the driest month with 3 mm of precipitation.
July is the sunniest month with an average of 385 hours of sunshine.
No idea where to travel to this year? We have a tool that recommends destinations based on your ideal conditions. Find out where to go with our weather planner.
