Balconies and terraces heat up significantly in the height of summer. Stone floors, railings, and facades store heat and release it late into the evening. To enjoy your outdoor space even during hot weeks, it’s best to combine several measures: shade, plants, and the right materials.
Shade First
The most effective way to combat heat is to prevent the sun from hitting the floor and walls in the first place. On balconies, a sun sail, umbrella, or awning is often enough. On terraces at the house, fixed solutions like a pergola with adjustable slats that can be opened or closed depending on the sun’s position are added. It’s important that the shade falls on the floor and facade, not just the seating area.
Plants Cool Twice
Plants provide shade and evaporate water, noticeably cooling the air around them. On balconies, climbing plants on the railing, potted plants in front of the facade, and densely planted boxes act like a small air conditioner. How much a greened balcony improves the microclimate is detailed by Birgit Schattling in her article Balcony Greening Against Summer Heat on the Bio-Balkon Blog, including plant selections for sunny locations.
Choose Materials Wisely
- Light-colored surfaces store less heat than dark stone or concrete.
- Wood feels cooler underfoot than stone but requires maintenance.
- Textiles like outdoor rugs and cushions made from light fabrics heat up less than dark ones.
Use Water Properly
Plants on the balcony need water early in the morning on hot days to reduce evaporation. A bowl of water helps insects and birds that like to use the greened balcony as a resting place. If you plan a roof, you can collect rainwater from the roof in a barrel and use it for watering.
Conclusion
To combat summer heat on balconies and terraces, a combination works best: shade where the sun hits strongest, plenty of plants for evaporative cooling, and light, low-heat materials. Those planning fixed shading will find the necessary dimensions and instructions in our freely accessible planning and installation guides.
