April 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 April

The autumn season brings harsher weather conditions to Snow Hill Island, with a notable decrease in temperature as compared to March. The lowest observed temperature hits the -16°C mark. Daylight hours are slashed by over a quarter and the sunshine hours drop to merely two a day, resulting in limited sun-based activities. The amount of rainfall maintains consistency, continuing in its trend from March. Prepare for darker, colder days as we make our way to May.

Temperature

April brings a slight decrease in the average high-temperature, shifting from a freezing cold -6°C in March to a still subzero cold -10°C. Snow Hill Island experiences an average temperature drop to a polar cold -16°C during April nights.

Rainfall

In April, in Snow Hill Island, the rain falls for 3 days. Throughout April, 10mm of precipitation is accumulated. In Snow Hill Island, Antarctica, during the entire year, the rain falls for 21 days and collects up to 76mm of precipitation.

Sea temperature

In Snow Hill Island, the average seawater temperature in April 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 Snow Hill Island, the average length of the day in April is 9h and 22min.
On the first day of the month, sunrise is at 23:23 and sunset at 10:21 NZDT. On the last day of April, sunrise is at 23:51 and sunset at 07:41 NZST.
Note: On Sunday, 02. April 2023, at 03:00, Daylight Saving Time ends, and the time zone changes from NZDT to NZST. Daylight Saving Time starts again on Sunday, 24. September 2023, at 02:00; consequently, the time zone reverts from NZST to NZDT.

Sunshine

The average sunshine in April is 2h.

UV index

April through August, with an average maximum UV index of 0, are months with the lowest UV index. A UV Index of 2, and less, symbolizes a minimal health hazard from exposure to the Sun's UV radiation for the ordinary person.
Note: The maximum daily UV index of 0 in April converts into the following recommendations:
Most individuals face no significant issues with extended sun exposure, but it is always essential to protect children, babies, and those with sensitive skin. Given the potency of the midday Sun's UV radiation, one should avoid prolonged exposure. It's wise to wear UVA and UVB-blocking sunglasses when the sun shines brightly.
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FAQ

How cold is it in Snow Hill Island in April?

The high-temperature, in April, in Snow Hill Island, is -10°C, while the low-temperature averages to -16°C.

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

In Snow Hill Island, Antarctica, in April, it is raining for 3 days, with typically 10mm of accumulated precipitation.

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

In Snow Hill Island, the average seawater temperature in April is -1°C. For swimming, this is considered extremely cold, dangerous, and life-threatening. Unless suitably protected with insulated waterproof clothing, hypothermia quickly occurs.

What is the average length of the day in April in Snow Hill Island?

The average day length in April in Snow Hill Island, Antarctica, is 9h and 22min.

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

On the first day of April, sunrise is at 23:23 and sunset at 10:21 NZDT. On the last day of the month, sunrise is at 23:51 and sunset at 07:41 NZST.

When does Daylight Saving Time (DST) end in April in Snow Hill Island?

On Sunday, 02. April 2023, at 03:00, Daylight Saving Time ends in Snow Hill Island, Antarctica, and the time zone changes from NZDT to NZST. The next DST starts on Sunday, 24. September 2023, at 02:00.

How many hours of sunshine does Snow Hill Island have in April?

In April, 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 reading in April in Snow Hill Island?

The average daily maximum UV index in April in Snow Hill Island is 0. A UV Index estimate of 2, and below, represents a low health risk from unsafe exposure to Sun's UV rays.
Average high temperature
Average low temperature
Average rainfall
Average rainfall days
Average sea temperature
Average daylight
Average sunshine
Average UV index

Average temperature in April
Snow Hill Island, Antarctica

Average temperature in April - Snow Hill Island, Antarctica
  • Average high temperature in April: -10°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 April: -16°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).

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Average rainfall in April
Snow Hill Island, Antarctica

Average rainfall in April - Snow Hill Island, Antarctica
  • Average rainfall in April: 10mm

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

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Average rainfall days in April
Snow Hill Island, Antarctica

Average rainfall days in April - Snow Hill Island, Antarctica
  • Average rainfall days in April: 3 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).

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Average sea temperature in April
Snow Hill Island, Antarctica

Average sea temperature in April - Snow Hill Island, Antarctica
  • Average sea temperature in April: -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).

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

Average daylight in April / Average sunshine in April - Snow Hill Island, Antarctica
  • Average daylight in April: 9h 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 April: 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).

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Average UV index in April
Snow Hill Island, Antarctica

Average UV index in April - Snow Hill Island, Antarctica
  • Average UV index in April: 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).

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Snow Hill Island, Antarctica

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