For the summer, it is recommended to cut your puppy hair shorter. Below is Isabelle first summer groom DIY.
There are many advantages:
- Cooler for the dog and reduce overheating
- Likely more comfortable
- Easier to avoid and find ticks
For certain type of double-coated dog, becareful not to shave your dog hair too short. Double-coated dogs have a soft inner layer that keeps them warm in winter and cool in the summer. You can read more on this website.