July weather forecast
Snow Hill Island, Antarctica

The coldest month in Snow Hill Island sees a marginal decrease in temperature from June, further intensifying the winter chill. July is known for its extreme lows, between -14°C to -21°C, making it the pinnacle of the Antarctic winter. Daylight hours show a slight increase, offering some respite from the extended nights. Snowfall remains a significant feature in July despite a decrease in rainfall. As we anticipate August, the temperatures exhibit little variation.

Temperature

The coldest period falls in July and August, when the average high-temperature reaches -14°C.

Rainfall

In Snow Hill Island, during July, the rain falls for 2 days and regularly aggregates up to 9mm of precipitation. In Snow Hill Island, during the entire year, the rain falls for 21 days and collects up to 76mm of precipitation.

Sea temperature

In Snow Hill Island, in July, the average water temperature is -1°C.
Note: In the event of swimming, this state is extremely frigid, dangerous, and poses a significant risk to life. Hypothermia swiftly ensues without suitable insulated waterproof attire.

Daylight

In July, the average length of the day is 5h and 15min.
On the first day of the month, sunrise is at 01:47 and sunset at 05:57. On the last day of July, in Snow Hill Island, sunrise is at 00:38 and sunset at 07:12 NZST.

Sunshine

The months with the least sunshine in Snow Hill Island are June and July, with an average of 0h of sunshine.

UV index

The months with the lowest UV index are April through August, with an average maximum UV index of 0. A UV Index estimate of 2, and below, represents a minimal health vulnerability from exposure to the Sun's UV rays for the ordinary person.
Note: In July, a regular UV index of 0 translates into these guidelines:
Though extended exposure to the sun typically does not concern most people, it is crucial to always shield children, infants, and those with sensitive skin. Given the potency of the midday Sun's UV radiation, one should avoid prolonged exposure. Employ a wide-brim hat for potent defense against up to 50% of UV rays.