At 6 months, the German Shorthaired Pointer male weighs on average between 18 kg for the smallest dogs and 23 kg for the largest dogs. 7 Months 12 Months . At 1 year, a German Shorthaired Pointer Female is about 20 and 26 kg and males are between 24 and 31 kg. Your German Shorthaired Pointer will be in heat around 6-12 months of age. Usually, it happens at 8 months of age, but it can be between 6 and 12 months. The heat cycle will last for about 21 days, and the females are fertile at ...