The best time to visit Lake Ohia is during the warmer months, specifically from December to February, which is summer in New Zealand.During these months, the weather is typically sunny and warm, with average temperatures ranging from 20°C to 25°C. This makes it ideal for enjoying the lake's water activities, such as swimming, kayaking, and paddleboarding. The longer daylight hours also mean more time for exploring the surrounding natural beauty and beaches of the Far North.Early autumn, from March to April, is also a lovely time to visit. The temperatures remain pleasant, usually between 18°C and 22°C, and the crowds are generally smaller than in peak summer.