January is the wettest month of the year in Midway Island with 4.9" (124mm) of rainfall. The skies are partly cloudy, the relative humidity is high, and it rains for an average of 16 days in the month. Temperatures are comfortable during the cold season on the atoll, with the averages between in the mild range of 62°F (16.7°C) to 70°F (21.1°C). Ocean water temperatures are at the coldest of the year at 68°F (20°C), which is still comfortable for water activities. The possibility of thunderstorms and tropical storms is low, but they are not absent. The daylight lasts for more than 10.5 hours, as is standard for the tropics. Wind speeds are low, often below 10mph (16.1km/h) during the day. A cruise may briefly alter its course to stop near Midway Island during the New Year in January for the benefit of passengers, but not before passing strict pollution checks.