Midway Atoll
Midway Island, USA
Long-term weather forecast
Long-term weather forecast

December weather forecast and climate
Midway Atoll, Midway Island, USA

The first month of the winter, December, is also an agreeable month in Midway Atoll, Midway Island, with average temperature ranging between max 73°F (22.8°C) and min 64.9°F (18.3°C).

Temperature

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

Rainfall

In Midway Atoll, in December, it is raining for 16 days, with typically 4.1" (104.1mm) of accumulated precipitation. Throughout the year, in Midway Atoll, there are 160 rainfall days, and 41.3" (1048.9mm) of precipitation is accumulated.

Ocean temperature

In Midway Atoll, the average seawater temperature 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. (FYI: The Olympic swimming competition requires a water temperature between 77°F (25°C) and 82.4°F (28°C).)

Daylight

The month with the shortest days is December, with an average of 10.4h of daylight.

Sunshine

In December, the average sunshine is 15h.

UV index

January and December, with an average maximum UV index of 5, are months with the lowest UV index. A UV Index reading of 3 to 5 represents a medium health hazard from the exposure to the Sun's UV radiation for ordinary individuals.
The daily maximum UV index of 5 interpret into the following advice:
Take precautions - Protection against the skin and eye damage is obliged. The solar radiation is most powerful near the mid-day, so the exposure to the direct Sun should be reduced accordingly. On bright days sunglasses that block both UVA and UVB rays should be worn. A hat with a wide brim is extremely helpful, as it can prevent roughly 50% of UV radiation from reaching the eyes. Beware! The strength of the UV rays is significantly increased by the reflection of the water and sand.

What is the temperature in December in Midway Atoll?

In December, in Midway Atoll, the average high-temperature is 73°F (22.8°C), and the average low-temperature is 64.9°F (18.3°C).

How much does it rain in Midway Atoll in December?

In Midway Atoll, Midway Island, in December, it is raining for 16 days, with typically 4.1" (104.1mm) of accumulated precipitation.

What is the water temperature in December in Midway Atoll?

In December, the average ocean temperature in Midway Atoll 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, with an average of 10.4h of daylight.

What is the average length of the day in December in Midway Atoll?

The average length of the day in December in Midway Atoll, Midway Island, is 10.4h.

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

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

What are the months with 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, Midway Island.

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

In December, the average daily maximum UV index in Midway Atoll, Midway Island, is 5. A UV Index estimate of 3 to 5 represents a moderate health threat from unprotected exposure to the UV radiation.
Average temperature in December - Midway Atoll, Midway Island, USA
  • Average high temperature in December: 73°F

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

  • Average low temperature in December: 65°F

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

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 lowest rainfall) is June (2.2").

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

Months with the highest number of rainy days are January and December (16 days).
Months with the lowest number of rainy days are May and June (9 days).

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

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

Average daylight in December / Average sunshine in December - Midway Atoll, Midway Island, USA
  • Average daylight in December: 10.4h

The month with the longest days is June (Average daylight: 13.9h).
The month with shortest days is December (Average daylight: 10.4h).

  • Average sunshine in December: 15h

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

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

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