December weather forecast
Midway Atoll, Midway Island, USA

Weather in December

December, the first month of the winter in Midway Atoll, is still a pleasant month, with temperature in the range of an average high of 73°F (22.8°C) and an average low of 64.9°F (18.3°C).

Temperature

In December, the average high-temperature is practically the same as in November - a pleasant 73°F (22.8°C). In December, the average low-temperature is 64.9°F (18.3°C).

Rainfall

In Midway Atoll, Midway Island, during December, the rain falls for 16 days and regularly aggregates up to 4.09" (104mm) of precipitation. In Midway Atoll, Midway Island, during the entire year, the rain falls for 160 days and collects up to 41.3" (1049mm) of precipitation.

Ocean temperature

In Midway Atoll, Midway Island, the average seawater temperature in December is 71.6°F (22°C).
Note: A person's cold intolerance, with sunshine, wind, and air temperature, are essential factors for enjoying swimming in 71.6°F (22°C) water. (FYI: The Olympic swimming competition requires a water temperature between 77°F (25°C) and 82.4°F (28°C).)

Daylight

December has the shortest days of the year, with an average of 10h and 23min of daylight.
On the first day of the month, sunrise is at 7:24 am and sunset at 5:53 pm. On the last day of December, sunrise is at 7:41 am and sunset at 6:04 pm SST.

Sunshine

In Midway Atoll, the average sunshine in December is 15h.

UV index

January and December, with an average maximum UV index of 5, are months with the lowest UV index in Midway Atoll, Midway Island. A UV Index estimate of 3 to 5 represents a medium health hazard from exposure to the Sun's UV rays for ordinary individuals.
Note: In December, the average maximum UV index of 5 translate into the following recommendations:
Take precautions - Protection against sun damage is advised. The solar radiation is most powerful near the mid-day, so the exposure to the direct Sun should be reduced accordingly. 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. Tightly woven, loose-fitting clothes provide additional protection from the Sun. Caution! The reflection of sand and water significantly increases the intensity of the Sun's UV radiation.
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FAQ

What is the temperature in December in Midway Atoll?

The average high-temperature, in December, is 73°F (22.8°C), while the average low-temperature is 64.9°F (18.3°C).

How much does it rain in Midway Atoll in December?

In Midway Atoll, during December, the rain falls for 16 days and regularly aggregates up to 4.09" (104mm) of precipitation.

How warm is the water in December in Midway Atoll?

In Midway Atoll, the average seawater temperature in December is 71.6°F (22°C). A person's cold intolerance, with sunshine, wind, and air temperature, are essential factors for enjoying swimming in 71.6°F (22°C) water.

What is the month with the shortest days in Midway Atoll?

December has the shortest days of the year in Midway Atoll, Midway Island, with an average of 10h and 23min of daylight.

How many hours of daylight does Midway Atoll have in December?

In December, the average day length in Midway Atoll is 10h and 23min.

When is the sunrise / sunset in December in Midway Atoll?

On the first day of December in Midway Atoll, sunrise is at 7:24 am and sunset at 5:53 pm. On the last day of the month, sunrise is at 7:41 am and sunset at 6:04 pm SST.

How many hours of sunshine does Midway Atoll have in December?

In Midway Atoll, the average sunshine duration in December is 15h.

When is the lowest UV index in Midway Atoll?

January and December, with an average maximum UV index of 5, are months with the lowest UV index in Midway Atoll.

What is the UV index reading in December in Midway Atoll?

In Midway Atoll, the average daily maximum UV index in December is 5. A UV Index estimate of 3 to 5 represents a moderate health threat from unprotected exposure to UV radiation.
Average rainfall days
Average sunshine
Average UV index

Average temperature in December
Midway Atoll, Midway Island, USA

Average temperature in December - Midway Atoll, Midway Island, USA
  • Average high temperature in December: 73°F

The warmest months (with the highest average high temperature) are August and September (84°F).
The months with the lowest average high temperature are January and February (70°F).

  • Average low temperature in December: 65°F

The months with the highest average low temperature are July, August and September (75°F).
The coldest months (with the lowest average low temperature) are January and February (62°F).

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Average rainfall in December
Midway Atoll, Midway Island, USA

Average rainfall in December - Midway Atoll, Midway Island, USA
  • Average rainfall in December: 4.1"

The wettest month (with the highest rainfall) is January (5").
The driest month (with the least rainfall) is June (2.2").

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Average rainfall days in December
Midway Atoll, Midway Island, USA

Average rainfall days in December - Midway Atoll, Midway Island, USA
  • Average rainfall days in December: 16 days

The months with the highest number of rainy days are January and December (16 days).
The months with the least rainy days are May and June (9 days).

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Average sea temperature in December
Midway Atoll, Midway Island, USA

Average sea temperature in December - Midway Atoll, Midway Island, USA
  • Average sea temperature in December: 72°F

The best months for swimming (with the highest average sea temperature) are August and September (81°F).
The coldest months (with the lowest average sea temperature) are January, February and March (68°F).

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Average daylight in December /
Average sunshine in December
Midway Atoll, Midway Island, USA

Average daylight in December / Average sunshine in December - Midway Atoll, Midway Island, USA
  • Average daylight in December: 10h and 23min

The month with the longest days is June (Average daylight: 13h and 55min).
The month with the shortest days is December (Average daylight: 10h and 23min).

  • Average sunshine in December: 15h

The months with the most sunshine are July, September and October (Average sunshine: 18h).
The months with the least sunshine are January and February (Average sunshine: 14h).

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Average UV index in December
Midway Atoll, Midway Island, USA

Average UV index in December - Midway Atoll, Midway Island, USA
  • Average UV index in December: 5

The months with the highest UV index are June, July and August (UV index 11).
The months with the lowest UV index are January and December (UV index 5).

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