The December 2025 horoscope for Gemini says that this month will be full of ups and downs. The Sun, Mars, Venus, and Jupiter will all be in your sixth house at the start of the month. Mercury will be in your fifth house. During the month, Rahu will be in the ninth house, Saturn will be in the tenth house, and Ketu will be in the third house. At the start of the month, Jupiter will be in your second house in the sign of Cancer, which is its highest position. On the 4th, it will move backwards into your solar sign. Being careful about health issues is important, or you could get sick. People who have jobs will have a good month this month.

