The weather was windy, very fine but cold and overcast. Winters are generally cool, wet, windy and overcast. Visibility , rain, scattered clouds at , few clouds at overcast at . The temperature rises gradually with high humidity and overcast skies. Overcast and humid conditions without rain are frequent. More time is spent in water in overcast, rainy, or misty days. Furthermore, gravid females will not oviposit during overcast or rainy weather. This results in overcast and foggy conditions in May and June. Summer is almost rain free, but sometimes overcast and cool with fog off the Pacific. Race day saw a high temperature of with overcast skies for most of the race. Long (2-weeks or more) stretches of dark overcast skies are not uncommon. It was held in overcast weather conditions. The race started in overcast conditions, with rain looming. The sky was usually overcast with high temperatures. Rabaul features a tropical rainforest climate, which is constantly hot, humid, overcast and oppressive.