October weather forecast and climate
Guam, USA

Flag of Guam, USA
Flag of Guam, USA

Weather in October

October is prone to typhoons and thunderstorms in Guam as the island territory receives an average of 11.8" (300mm) of rain. Most of the days are rainy and witness at least a brief shower.
The day temperatures scale up to 90°F (32.2°C), but nights rarely drop below 70°F (21.1°C). Typhoons can be destructive, with wind gusts above 100mph (160.9km/h). However, the stricter enforcement of construction codes have kept homes and hotels safe for the population. The sticky weather results in much perspiration that asks for loose-fitting clothing and sweatshirts for comfort.
Water sports are a great way to beat the heat and humidity. The sea temperatures are in the warm range of 83°F (28.3°C) to 85°F (29.4°C), and the waters remain clear and bright. A buildup in storm activity and rainfall is usually harmful to the tourist industry. However, budget travelers revel when accommodation costs drop during the slow season in October in Guam.
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