Aveiro Weather & Climate: Best Time to Visit

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

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

The average number of days each month with precipitation

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

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