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 (0.47"). 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

With the onset of May, the average high-temperature in Snow Hill Island, Antarctica, subtly recedes from April's freezing cold -10°C (14°F) to an extremely cold -13°C (8.6°F). During May, Snow Hill Island records a consistent average nighttime temperature of -19°C (-2.2°F).

Rainfall

May is the month with the most rainfall in Snow Hill Island. Rain falls for 3 days and accumulates 12mm (0.47") of precipitation.

Sea temperature

May is the month with the coldest seawater, with an average sea temperature of -2°C (28.4°F).
Note: In swimming engagements, this poses immediate life-threatening risks. The loss of breath control is instantaneous, thereby hindering clear thought. A specialized swimsuit is mandatory to limit thermal dissipation.

Daylight

The average length of the day in May in Snow Hill Island, Antarctica, is 6h and 11min.
On the first day of May, sunrise is at 23:56 and sunset at 07:35. On the last day of the month, sunrise is at 01:23 and sunset at 06:09 NZST.

Sunshine

In May, the average sunshine in Snow Hill Island is 1h.

UV index

April through August, with an average maximum UV index of 0, are months with the lowest UV index. A UV Index value of 2, and less, symbolizes a low health risk from exposure to the Sun's UV rays for average individuals.
Note: In May, a daily maximum UV index of 0 leads to the following instructions:
Children, infants, and individuals with sensitive skin should be constantly protected from extended sun exposure. Considering the harmful UV rays from the Sun during midday, it's essential to reduce exposure. A wide-brimmed hat provides unparalleled sun protection for sensitive areas like the eyes, ears, and neck.