January weather forecast and climate
Hawaii, USA

Flag of Hawaii, USA
Flag of Hawaii, USA

Weather in January

January lies in the wet season with average temperatures in the mild range of 68°F (20°C) to 79°F (26.1°C). Temperatures tend to be slightly lower on the leeward slopes compared to the windward areas.
Honolulu is the warmest in the 66°F (18.9°C) to 81°F (27.2°C) range, while Hilo on the coast, exposed to northeast trade winds measures 64°F (17.8°C) to 79°F (26.1°C). Mauna Kea, at 4200 meters is usually the coldest with 27°F (-2.8°C) to 43°F (6.1°C) as snowfall is regular during the winter at higher elevations.
Windward regions, especially mountain slopes of 2000 to 3000 meters, have pronounced rainfall in the wet season. While rainfall averages 3" (76mm) in the state of Hawaii, it registers 9.3" (236mm) on the coast.
The sun shines brightly for 7 hours a day on the leeward side even during the winter, which is the location of a majority of the tourist resorts. No wonder that Hawaii is a hotspot - at any time of the year, there is always a place that has pleasant weather conditions! Watch out for the crowds as tourists throng every nook and place during the New Year!
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