August weather forecast
Snow Hill Island, Antarctica

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A family of penguins on Snow Hill Island in Antarctica
A family of penguins on Snow Hill Island in Antarctica

Weather in August

August ushers in spring, but not before one last sting of the extreme winter cold. The temperatures rise marginally from July, hinting at an end to the intense cold spell. The persistent chill continues with the sea remaining frozen, albeit with a slight upturn in temperature. Daylight hours show considerable improvement, reviving outdoor pursuits. The advent of spring is hinted further as we progress into September.

Temperature

Snow Hill Island's lowest average temperatures are recorded in July and August, reaching a high of -14°C (6.8°F).

Rainfall

In Snow Hill Island, during August, the rain falls for 2 days and regularly aggregates up to 7mm (0.28") of precipitation. Throughout the year, there are 21 rainfall days, and 76mm (2.99") of precipitation is accumulated.

Sea temperature

In August, the average sea temperature in Snow Hill Island is -1°C (30.2°F).
Note: During swimming activities, this is a serious life-threatening hazard. Rapid loss of control over breathing impairs cognitive abilities. A specialized swimsuit is essential to limit thermal wastage.

Daylight

In Snow Hill Island, the average length of the day in August is 8h and 16min.
On the first day of August, sunrise is at 00:32 and sunset at 07:17. On the last day of the month, sunrise is at 22:51 and sunset at 08:46 NZST.

Sunshine

The average sunshine in August is 2h.

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 unsafe exposure to UV radiation for the average person.
Note: In August, the maximum UV index of 0 suggests this advice:
People with sensitive skin, children, and babies should always be protected from prolonged sun exposure. Midday Sun has the strongest UV rays, making it crucial to limit exposure and find shade. A wide-brim hat offers excellent sun protection for the eyes, ears, face, and neck. Sunglasses with UVA and UVB protection significantly reduce eye damage from sun exposure.

Frequently asked questions

What is the coldest time of year in Snow Hill Island?

Snow Hill Island experiences lowest temperatures, averaging a high-temperature of -14°C (6.8°F) during July and August.

How cold is August in Snow Hill Island?

During August, Snow Hill Island experiences an average high-temperature of -14°C (6.8°F) and a low-temperature of -21°C (-5.8°F).

How many days does it rain in August in Snow Hill Island?

In Snow Hill Island, during August, the rain falls for 2 days and regularly aggregates up to 7mm (0.28") of precipitation.

What is the water temperature in August in Snow Hill Island?

In August, the average sea temperature in Snow Hill Island, Antarctica, is -1°C (30.2°F). For swimming, this is considered very dangerous and immediately life-threatening. Total loss of breathing control instantly occurs, and clear thinking becomes almost impossible. A specialized swimsuit is obligatory to minimize thermal loss.

How many hours of daylight does Snow Hill Island have in August?

In Snow Hill Island, the average day length in August is 8h and 16min.

What time are sunrise and sunset in August in Snow Hill Island?

In August, on the first day of the month, sunrise is at 00:32 and sunset at 07:17. On the last day of the month, in Snow Hill Island, sunrise is at 22:51 and sunset at 08:46 NZST.

How long on average sun shines in August in Snow Hill Island?

In August, the average sunshine duration in Snow Hill Island is 2h.

When is the lowest UV index in Snow Hill Island?

The months with the lowest UV index are April through August, with an average maximum UV index of 0.

What is the UV index intensity in August in Snow Hill Island?

The average daily maximum UV index in August in Snow Hill Island is 0. A UV Index value of 2, and less, symbolizes a low health risk from exposure to Sun's UV rays.
Average rainfall days
Average daylight
Average sunshine
Average UV index

Average temperature in August
Snow Hill Island, Antarctica

Average temperature in August - Snow Hill Island, Antarctica
  • Average high temperature in August: -14°C

The warmest months (with the highest average high temperature) are January and December (3°C).
The months with the lowest average high temperature are July and August (-14°C).

  • Average low temperature in August: -21°C

The month with the highest average low temperature is January (-1°C).
The coldest months (with the lowest average low temperature) are July and August (-21°C).

Average rainfall in August
Snow Hill Island, Antarctica

Average rainfall in August - Snow Hill Island, Antarctica
  • Average rainfall in August: 7mm

The wettest month (with the highest rainfall) is May (12mm).
The driest months (with the least rainfall) are January and December (2mm).

Average rainfall days in August
Snow Hill Island, Antarctica

Average rainfall days in August - Snow Hill Island, Antarctica
  • Average rainfall days in August: 2 days

The months with the highest number of rainy days are March, April and May (3 days).
The months with the least rainy days are January, February, September, October, November and December (1 days).

Average sea temperature in August
Snow Hill Island, Antarctica

Average sea temperature in August - Snow Hill Island, Antarctica
  • Average sea temperature in August: -1°C

The best months for swimming (with the highest average sea temperature) are January, February and December (0°C).
The coldest month (with the lowest average sea temperature) is May (-2°C).

Average daylight in August /
Average sunshine in August
Snow Hill Island, Antarctica

Average daylight in August / Average sunshine in August - Snow Hill Island, Antarctica
  • Average daylight in August: 8h and 2min

The month with the longest days is December (Average daylight: 21h and 6min).
The month with the shortest days is June (Average daylight: 4h and 12min).

  • Average sunshine in August: 2h

The month with the most sunshine is December (Average sunshine: 10h).
The months with the least sunshine are June and July (Average sunshine: 0h).

Average UV index in August
Snow Hill Island, Antarctica

Average UV index in August - Snow Hill Island, Antarctica
  • Average UV index in August: 0

The months with the highest UV index are November and December (UV index 5).
The months with the lowest UV index are April, May, June, July and August (UV index 0).

Snow Hill Island, Antarctica

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