What to wear in Germany 9, 10?

Western Germany has a temperate maritime climate.

9. It's not cold in June. 10. Just add a thin coat in the morning and evening, and just wear a short-sleeved T-shirt at noon.

Eastern Germany has a temperate continental climate.

9, 10 began to cool down, pay attention to keep warm.

However, it varies from person to person. Even if the weather is very cold, many foreigners will wear shorts to the streets.