Aveiro

Get the latest weather information for Aveiro. In this section, you will find up-to-date data, forecasts, and helpful charts to help you plan your stay.

The climate in Aveiro, located in Portugal, can be described as temperate Mediterranean. This means the city enjoys warm, mostly dry summers and mild, wetter winters. Annual temperature fluctuations are not particularly sharp, making Aveiro comfortable to visit throughout most of the year.

The summer months, especially July and August, are the warmest and sunniest, with an average temperature of around 21-22°C. Rainfall is practically non-existent during this time, creating ideal conditions for walking and exploring the city. Winter (from December to February) is mild, with average temperatures hovering around 10-12°C. The winter months, as well as late autumn (October, November) and early spring (March, April), are characterized by a higher number of rainy days, although the total precipitation remains low.

The most notable feature of Aveiro's climate is the clear distinction between the dry summer period and the wetter autumn-winter season. If you are planning a trip in summer, expect plenty of sunshine and very little rain. In other seasons, it is worth being prepared for possible showers; however, even during the "wettest" months, the weather is rarely extreme, maintaining the mildness characteristic of the Portuguese coast.

The climate in Aveiro is characterized by moderate temperatures throughout the year, making it an attractive destination at any time. The warmest months are July and August, when the average air temperature is around 21.4-21.5°C. During these summer months, maximum daytime temperatures can reach a pleasant 25.8-26.1°C. On the other hand, the coolest month is usually January, with an average temperature of 10.6°C and average nightly lows of around 7.3°C.

The summer period in Aveiro, from June to September, features comfortable warmth, ideal for walking and discovering the city. Daytime highs range from 22.5°C in June to 26.1°C in August. Winters here are mild, without severe frosts. From December to February, average temperatures stay around 10.6-11.9°C, with daytime highs of 13.8-15.5°C and nightly lows rarely falling below 7-9°C. This ensures fairly mild winter conditions, albeit with more rainy days compared to summer.

In spring and autumn, the weather in Aveiro also remains pleasant. In May, the average temperature rises to 17.2°C, and in October, it still stays at a comfortable 17.6°C. It is worth noting that noticeable daily temperature fluctuations occur throughout the year. For example, in the summer months, the difference between daytime highs and nightly lows can be about 8-9°C (for instance, in August, from 17.0°C at night to 26.1°C during the day), providing a pleasant coolness in the evenings after warm days.

Aveiro experiences distinct seasonality in the distribution of precipitation throughout the year. The city has a clear dry season in summer and a wetter period spanning autumn, winter, and part of spring. Given the mild climate, precipitation here falls primarily as rain.

The driest months in Aveiro are July and August. During this period, rainfall is minimal, often approaching zero, and the number of rainy days is only about two per month. May, June, and September are also characterized by low precipitation, usually around 2 mm, and a relatively small number of rainy days—from 6 to 9.

The wetter season begins in autumn and lasts until spring. The highest amount of precipitation and number of rainy days occur in October, November, and December, when an average of 5 mm of rain falls, and the number of rainy days reaches 13-14 per month. March and April are also quite rainy, with 14 and 13 rainy days respectively, and a total precipitation of about 4 mm. January and February also bring precipitation, although with slightly less intensity and frequency compared to the peak of the wet season.

When planning a trip to Aveiro, it is important to consider its temperate coastal climate. Regardless of the season, comfortable walking shoes will be your best companion for exploring the picturesque canals and streets. Layering is the key to comfort, as the weather can change throughout the day, especially influenced by the ocean breeze. A light windbreaker or jacket will come in handy even on summer evenings.

In the summer months (July, August), when average temperatures reach 21-26°C and rainfall is minimal, pack light and breathable clothing: t-shirts, shorts, and sundresses. Don't forget sunscreen, sunglasses, and a hat for sun protection. A light sweater or cardigan may be needed for evening walks. Transitional seasons, such as May-June and September-October, offer pleasant temperatures (17-24°C), but as the number of rainy days increases, a light waterproof jacket or a compact umbrella will be useful.

In winter (from November to April), Aveiro is cooler, with average temperatures ranging from 10°C to 16°C, and the number of rainy days is at its peak (up to 14 days per month). During this period, it's worth bringing warmer clothes: sweaters, fleeces, a waterproof and windproof jacket, and trousers. An umbrella or raincoat is essential. Despite the cool air, the weather is rarely extremely cold, so heavy winter gear is usually not required, but warm socks and closed shoes will provide extra comfort during your walks.