Zaragoza

1. Overview of Wind Patterns in Zaragoza

Zaragoza’s location in the Ebro Valley, nestled between the Pyrenees to the north and the Iberian System mountains to the south, creates a natural corridor for wind. This geographical setup amplifies wind speeds and makes the city particularly prone to strong gusts, especially during certain times of the year.

• The Cierzo Wind: The Cierzo is the most notable wind phenomenon in Zaragoza. It is a cold, dry wind that blows from the northwest, often with considerable force. It is caused by differences in atmospheric pressure between the Cantabrian Sea (to the northwest) and the Mediterranean Sea (to the southeast), funneled through the Ebro Valley.
• General Wind Speeds: Zaragoza experiences moderate to strong winds year-round, with average wind speeds ranging from 10 to 20 km/h (6 to 12 mph). However, during Cierzo episodes, gusts can exceed 100 km/h (62 mph).

---

2. Seasonal Variations in Wind Patterns

The intensity and frequency of the Cierzo and other wind patterns vary throughout the year:

• Winter (December to February):

  • The Cierzo is most frequent and intense during the winter months due to stronger pressure differences between the Atlantic and Mediterranean regions.
  • Winds are cold and can make temperatures feel significantly lower than they are. For example, a mild 10°C (50°F) day can feel close to freezing when the Cierzo is blowing.
  • Impact: Outdoor activities can be challenging, and the wind chill can make walking or cycling uncomfortable.

• Spring (March to May):

  • The Cierzo remains active but tends to be less cold than in winter. Spring is also a transitional period, so wind patterns can be unpredictable.
  • Impact: The wind can disrupt outdoor events and make it difficult to enjoy Zaragoza’s parks and plazas. However, it also helps clear pollen, which can