Weight, Height & Life Expectancy Most Maltese are around 25 cm in height at the shoulder, and usually weigh around 2-3 kg. You can expect to enjoy approximately 14 precious years with your Maltese. Personality Maltese are perky, active and extroverted. They rely on solid friendship and function best when they are not left alone for long periods of time. Maltese can have intense bursts of playful energy just by running around a small space, which makes them perfect apartment dwellers. They are highly intelligent and train quite easily, always willing to learning new tricks. Grooming and Exercise Maltese require diligence with grooming. Their longer coats require daily brushing to keep them free of tangles, and regular bathing is also required to keep their coats looking delightfully white. They should also have professional grooming at least twice a year to complement their regular grooming routine. Maltese can overheat or become quite chilled ...