Aveiro Weather & Climate: Best Time to Visit
Average temperatures, rainfall, sunshine and the best time to visit Aveiro.
Climate overview of Aveiro
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, with warm summers and mild winters. October is the wettest month. The sunniest month is July, with 10.2 hours of sunshine per day on average.
Aveiro Weather by Month
Pick a month to see the average temperature, rainfall and sunshine in Aveiro - and find the best time to visit.
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
The average number of days each month with precipitation
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
Best Time to Visit Aveiro
Monthly ratings reflect general weather comfort, based on daytime temperature and rainfall. Swimming and winter conditions are highlighted separately where relevant.
- Best overall: May, June, July, August and September
- Warmest weather: July and August
- Most sunshine: July and August
- Fewest rainy days: July and August
- Seasonal pattern: A distinct dry season from June to August, with warm summers and mild winters
Frequently asked questions about the climate in Aveiro
What is the best time to visit Aveiro?
May, June, July, August and September typically offer the most optimal weather in Aveiro. In contrast, January, February, November and December tend to have less optimal conditions. Aveiro has a distinct dry season from June to August, with warm summers and mild winters.
What temperatures can I expect in Aveiro?
Daytime highs range from 15°C (59°F) in January to 27°C (81°F) in August. Nighttime lows range from 7°C (45°F) to 17°C (63°F). Temperatures vary considerably through the year.
How much rain does Aveiro get?
Annual rainfall is around 1109 mm (44 in). October is the wettest month with 148 mm (5.8 in), while July is the driest with 15 mm (0.6 in).
How sunny is Aveiro?
Aveiro receives around 2,502 hours of sunshine per year. July is the sunniest month with 305 hours, while December is the cloudiest with just 138 hours. Overall, Aveiro enjoys abundant sunshine.
Aveiro 3-Day Forecast
Aveiro 3-Day Forecast
Aveiro on the map
Aveiro is highlighted - select any city to see its climate.
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