What temperature should you wear a trench coat?

Related questions

1. How do you wear a trench coat?
2. What is the classic Burberry trench coat?
3. Is it OK to wear a trench coat in winter?
4. Is trench coat suitable for winter?
5. Do trench coats have hoods?
6. Can I machine wash my trench coat?
7. Is 40 degrees cold wash?
8. Can a trench coat be altered?
9. Is trench coat waterproof?
10. Is trench coat a formal wear?

Tags

1. #cropped
2. #fahrenheit
3. #degrees
4. #perfect
5. #chilly
6. #jacket
7. #little
8. #bomber
9. #warmer
10. #trench
11. #weather
12. #another
13. #layer