Aveiro Weather & Climate: Best Time to Visit
Aveiro, Centro Region, Portugal, experiences significant temperature variation throughout the year. Summers bring daytime highs of 27°C (81°F) in August, while winters cool to 15°C (59°F) in January.
The city has a wet climate, receiving around 1109 mm (44 in) of rainfall per year. Despite the high annual total, it has a distinct dry season from June to August. October is the wettest month. The sunniest month is July, with 10.2 hours of sunshine per day on average.
Monthly Temperature in Aveiro
Depending on the time of the year, temperatures range from comfortable to moderate in Aveiro. On average, daytime temperatures range from a comfortable 27°C (81°F) in August to a moderate 15°C (59°F) in January.
Nighttime temperatures range from 17°C (63°F) in August to 7°C (45°F) in January.Check out our detailed temperature page for more information.
Temperature ranges by month
Rainfall in Aveiro
Aveiro has a relatively rainy climate with high precipitation levels, averaging 1109 mm (44 in) of rainfall annually. The seasons in Aveiro bring significant changes in precipitation. The wettest month, October, receives high rainfall, with an average of 148 mm (5.8 in) of precipitation. This rainfall is distributed across 13 rainy days.
In contrast, the driest month, July, experiences much less rainfall, totaling 15 mm (0.6 in) over 6 rainy days. These distinct seasonal differences provide diverse experiences throughout the year. For more details, please visit our Aveiro Precipitation page.The mean monthly precipitation over the year, including rain, hail, and snow
Sunshine Hours in Aveiro
In Aveiro, summer days are longer and more sunny, with daily sunshine hours peaking at 10.2 hours in July. As the darker season arrives, the brightness of the sun becomes less. December sees a soft sun for only 4.6 hours per average day.
Visit our detailed sunshine hours page for more information.
Monthly hours of sunshine
Daily hours of sunshine
Humidity in Aveiro by Month
The relative humidity is high throughout the year in Aveiro.
The city experiences its highest humidity in January, reaching 78%. In July, the humidity drops to its lowest level at 67%. What does this mean? Read our detailed page on humidity levels for further details.
Relative humidity over the year
Aveiro 3-Day Forecast
Check the conditions for any month of the year.
Best Time to Visit Aveiro
During the months of April, May, June, July, August and September, Aveiro enjoys pleasant weather with average temperatures ranging from 19°C (66°F) to 27°C (80°F). These months are perfect for sightseeing and exploring.Rainfall during this time ranges from 15 mm (0.6 in) in July to 111 mm (4.4 in) in April. This means you can expect a mix of sunny days and occasional showers. Seeking the perfect travel destination for this year? We've created a tool that suggests locations matching your desired weather. Let our weather planner guide your travel decisions.