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City in Central Portugal, Portugal

Aveiro weather by month and the best time to visit

Updated October 2026Sources
May–Jul, Sep–OctBest time to visit

When to go to Aveiro

Late spring to early autumn is warm and best for beaches. July–August has day-trippers; winters are mild but windy and often wet.

Aveiro weather by month

Average daily high, rainfall and conditions.

PleasantHotRainyCool or coldBest months
5°10°15°20°25°30°JFMAMJJASOND
Average highAverage lowRainfall

Monthly averages

MonthHighLowRainHumidityConditions
January14°C56°F7°C45°F126 mm86%Cool
February14°C58°F7°C45°F89 mm83%Cool
March16°C61°F9°C47°F97 mm81%Cool
April18°C64°F10°C50°F87 mm80%Cool
May21°C69°F12°C54°F58 mm77%Pleasant
June24°C75°F15°C58°F28 mm74%Pleasant
July26°C78°F16°C60°F11 mm72%Pleasant
August26°C80°F16°C61°F18 mm70%Pleasant
September25°C77°F15°C59°F47 mm71%Pleasant
October21°C71°F14°C56°F127 mm77%Pleasant
November16°C62°F10°C50°F132 mm83%Cool
December14°C57°F8°C46°F110 mm85%Cool

Best months across Portugal

PlaceBest monthsWarmest month
LisbonApr–Jun, Sep–OctAug (23°C)
PortoMay–Jun, Sep–OctAug (24°C)
AlgarveMay–Jun, Sep–OctJul (28°C)
MadeiraMay–Jul, Sep–OctAug (23°C)
SintraApr–Jun, Sep–OctAug (24°C)
LagosMay–Jun, Sep–OctAug (24°C)
AlbufeiraMay–Jun, Sep–OctJul (28°C)
CascaisMay–Jul, Sep–OctAug (23°C)
AzoresJun–SepAug (24°C)
FaroApr–Jun, Sep–OctJul (28°C)
EriceiraMay–Jun, Sep–OctAug (24°C)
CoimbraApr–Jun, Sep–OctAug (34°C)
Douro ValleyApr–May, Sep–OctAug (34°C)
ÉvoraMar–May, Oct–NovAug (34°C)
BragaMay–Jun, Sep–OctAug (31°C)
AveiroMay–Jul, Sep–OctAug (26°C)
NazaréMay–Jun, Sep–OctAug (22°C)
Silver CoastMay–Jun, Sep–OctAug (22°C)
TaviraMay–Jun, Sep–OctAug (28°C)

Quick answers

What is the best month to visit Aveiro?

May–Jul, Sep–Oct. Late spring to early autumn is warm and best for beaches. July–August has day-trippers; winters are mild but windy and often wet.

When is the rainy season in Aveiro?

Rain peaks in November with about 132 mm. No month averages 150 mm or more.

What is the hottest month in Aveiro?

August, with average highs of 26°C (80°F).

How cold does Aveiro get?

The coolest nights are in February, averaging 7°C (45°F).

More about Aveiro

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Sources

Climate averages are modelled from NASA POWER (MERRA-2) for 2001–2020 at about 50 km resolution, so coasts and valleys can differ a little. Compiled and reviewed by SoloSquare. How we compile and score this. Spotted something out of date? Tell us.