May weather forecast
Snow Hill Island, Antarctica

May registers the severest dip in temperature in Snow Hill Island, as we inch closer to winter. The month is characterised by the highest amount of rainfall, with a recorded high of 12mm. Permanent darkness rules over May, with mere hours of daylight and virtually non-existent sunshine hours. The frozen sea complements the overall decline in temperature, amplifying the frigid conditions. Expect a prolonged winter freeze as we advance towards June.

Temperature

In May, the meteorological conditions in Snow Hill Island, Antarctica, change slightly, with the average high-temperature moving from a subzero cold -10°C in April to an extremely cold -13°C. The average low-temperature, in May, in Snow Hill Island, is an arctic cold -19°C.

Rainfall

The month with the most rainfall is May, when the rain falls for 3 days and typically aggregates up to 12mm of precipitation.

Sea temperature

May is the month with the coldest seawater, with an average sea temperature of -2°C.
Note: In the case of swimming, the extreme coldness, danger, and life-threatening nature of this situation are apparent. Without insulated waterproof wear, hypothermia sets in rapidly.

Daylight

The average length of the day in May in Snow Hill Island is 6h and 11min.
On the first day of the month, sunrise is at 23:54 and sunset at 07:37. On the last day of May, sunrise is at 01:21 and sunset at 06:11 NZST.

Sunshine

In May, the average sunshine is 1h.

UV index

The months with the lowest UV index in Snow Hill Island are April through August, with an average maximum UV index of 0. A UV Index reading of 2, and below, represents a low threat to health from exposure to the Sun's UV rays for the average person.
Note: A maximum UV index of 0 in May translates into the following recommendations:
In contrast to children, who must always be shielded from the sun, most people can tolerate up to an hour of sun exposure without any burns. The Sun's UV radiation is especially harmful around midday, so reduce exposure and stay safe. Tightly woven clothing, when worn loosely, shields effectively against the Sun.