Berkeley Weather January 2026: 8-15°C, Rainy Days Ahead Weather Berkeley Weather January 2026: 8-15°C, Rainy Days Ahead Sumaiya January 3, 2026 0 Berkeley, California, experiences a mild Mediterranean climate, with cool, wet winters and warm, dry summers. Residents and... Read More Read more about Berkeley Weather January 2026: 8-15°C, Rainy Days Ahead