Hawaii Weather in January

What’s the weather like in Hawaii in January?

With hundreds of islands, Hawaii experiences a diverse weather system with dry coastal areas and wetter mountainous regions. Even in the depths of winter, Hawaii enjoys beautifully warm weather making it the perfect sunny holiday destination. Although January is the coldest month of the year, the day time is still wonderfully warm, and ideal for spending days on the picturesque beaches. January is still part of the wet season, but it usually only rains overnight. Rain is most likely in the northern and eastern regions, so visit the southern coasts to avoid the showers and pack a light waterproof just in case.

Averages

On average Hawaii experiences temperatures of 23°C in January, with highs of 26°C in the hottest part of the day. At night the weather dips slightly to around 20°C, so you may need a few light layers in the evening. Some rain showers are to be expected, with an average of 78mm of rainfall across the month. For swimming, the sea is a lovely 25°C and each day sees around eight hours of golden sunshine.