December weather forecast
Flying Fish Cove, Christmas Island

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Weather in December

December heralds the commencement of the hot season as temperatures rise in Flying Fish Cove. The month stands out with a remarkable consistency in temperatures, ranging from 23.9°C (75°F) during cool nights to 27.8°C (82°F) as daylight shines. Enhanced by a uniform wind speed of 10.1km/h (6.3mph), the weather remains pleasantly warm, true to its tropical locale. The city receives reasonable rainfall, contributing to the humid December air. Savor the festive season in the breezy, warm, and wet December weather as the year winds down in this breathtaking island city.

Temperature

Flying Fish Cove notes an average high-temperature of a still moderately hot 27.8°C (82°F) in December, hardly diverging from November. A minimal decline in temperature from daytime highs is anticipated in Flying Fish Cove, Christmas Island throughout the December nights, averaging a still moderately hot 23.9°C (75°F).

Heat index

In December, the heat index is computed to be a hot 31°C (87.8°F). Continued exposure and engagement in activity might trigger tiredness and subsequently heat cramps.
Heat index data is primarily for areas with shade and subjected to light winds. With exposure to direct sunshine, the heat index could climb by 15 Fahrenheit (8 Celsius) degrees.
Note: The heat index, also known as 'apparent temperature' or 'feels like', reflects the blend of air temperature and relative humidity to give a temperature impression. The effect of weather is individual, with a variety of people experiencing it differently due to distinctions in body mass, height, and level of activity. Do note, being directly under sun rays can amplify the heat you feel, potentially raising the heat index by 15 Fahrenheit (8 Celsius) degrees. Heat index values hold particular importance for children. Young children are generally more endangered than adults, as they usually less sweat. And also, due to larger skin surface relative to their small bodies and higher heat production as a result of their activity.

Humidity

In December, the average relative humidity in Flying Fish Cove, Christmas Island, is 79%.

Rainfall

In Flying Fish Cove, in December, it is raining for 21.4 days, with typically 103mm (4.06") of accumulated precipitation. In Flying Fish Cove, Christmas Island, during the entire year, the rain falls for 243.6 days and collects up to 1046mm (41.18") of precipitation.

Sea temperature

In Flying Fish Cove, Christmas Island, in December, the average water temperature is 28.6°C (83.5°F).
Note: Swimming, diving, and other water-related activities in temperatures between 25°C (77°F) and 29°C (84.2°F) are considered highly enjoyable and satisfying for longer durations without uneasiness.

Daylight

December has the longest days of the year, with an average of 12h and 42min of daylight.
On the first day of the month, sunrise is at 05:25 and sunset at 18:07. On the last day of December, in Flying Fish Cove, sunrise is at 05:38 and sunset at 18:22 +07.

Sunshine

In Flying Fish Cove, the average sunshine in December is 9.2h.

UV index

The months with the lowest UV index are May through December, with an average maximum UV index of 6. A UV Index value of 6 to 7 symbolizes a high health risk from exposure to the Sun's UV radiation for the ordinary person.
Note: A maximum UV index of 6 in December translates into the following recommendations:
Take precautions against overexposure. Protection against sun damage is needed. Seek shade and limit direct Sun exposure between 10 a.m. and 4 p.m., when UV radiation is at its peak, but be aware that not all shade structures provide complete sun protection. Sun protection is enhanced with clothing that boasts a tight weave yet offers a loose fit. Stay aware! UV radiation is magnified when reflecting off sand and water.

Frequently asked questions

What are December temperatures in Flying Fish Cove?

In December, the average high-temperature and low-temperature in Flying Fish Cove, Christmas Island, are 27.8°C (82°F) and 23.9°C (75°F) respectively. In December, the average heat index (a.k.a. 'felt air temperature', 'feels like'), which takes the relative humidity and factors it into the air temperature reading, is computed to be 31°C (87.8°F).

What is the average humidity in December in Flying Fish Cove?

The average relative humidity in December is 79%.

How many days does it rain in December in Flying Fish Cove?

In Flying Fish Cove, in December, during 21.4 rainfall days, 103mm (4.06") of precipitation is typically accumulated.

What is the sea water temperature in December in Flying Fish Cove?

In Flying Fish Cove, Christmas Island, in December, the average water temperature is 28.6°C (83.5°F). For any water activity, surface water temperatures between 25°C (77°F) and 29°C (84.2°F) are considered as excellent and extremely pleasant for lengthened periods.

When are the longest days in Flying Fish Cove?

With an average of 12h and 42min of daylight, December has the longest days of the year.

What is the average length of the day in December in Flying Fish Cove?

In December, the average day length in Flying Fish Cove, Christmas Island, is 12h and 43min.

When is the sunrise / sunset in December in Flying Fish Cove?

On the first day of December, sunrise is at 05:25 and sunset at 18:07. On the last day of the month, sunrise is at 05:38 and sunset at 18:22 +07.

How many hours of sunshine does Flying Fish Cove have in December?

The average sunshine duration in December is 9.2h.

What is the month with the lowest UV index in Flying Fish Cove?

The months with the lowest UV index are May through December, with an average maximum UV index of 6.

How high is the UV index in December in Flying Fish Cove?

In December, the average daily maximum UV index in Flying Fish Cove is 6. A UV Index value of 6 to 7 symbolizes a high health risk from unprotected exposure to UV radiation.

Average temperature in December
Flying Fish Cove, Christmas Island

Average temperature in December - Flying Fish Cove, Christmas Island
  • Average high temperature in December: 27.8°C

The warmest month (with the highest average high temperature) is March (28.5°C).
The months with the lowest average high temperature are July and August (26.9°C).

  • Average low temperature in December: 23.9°C

The months with the highest average low temperature are January and December (23.9°C).
The coldest month (with the lowest average low temperature) is August (21.6°C).

Average pressure in December
Flying Fish Cove, Christmas Island

Average pressure in December - Flying Fish Cove, Christmas Island
  • Average pressure in December: 1009.4mbar

The month with the highest atmospheric pressure is September (1011.9mbar).
The month with the lowest atmospheric pressure is December (1009.4mbar).

Average wind speed in December
Flying Fish Cove, Christmas Island

Average wind speed in December - Flying Fish Cove, Christmas Island
  • Average wind speed in December: 10.1km/h

The windiest month (with the highest average wind speed) is August (15.6km/h).
The calmest month (with the lowest average wind speed) is April (8.9km/h).

Average humidity in December
Flying Fish Cove, Christmas Island

Average humidity in December - Flying Fish Cove, Christmas Island
  • Average humidity in December: 79%

The months with the highest relative humidity are May, June, July and November (82%).
The month with the lowest relative humidity is January (78%).

Average rainfall in December
Flying Fish Cove, Christmas Island

Average rainfall in December - Flying Fish Cove, Christmas Island
  • Average rainfall in December: 103mm

The wettest month (with the highest rainfall) is May (140mm).
The driest month (with the least rainfall) is August (25mm).

Average rainfall days in December
Flying Fish Cove, Christmas Island

Average rainfall days in December - Flying Fish Cove, Christmas Island
  • Average rainfall days in December: 21.4 days

The month with the highest number of rainy days is November (23.6 days).
The month with the least rainy days is August (13.9 days).

Average sea temperature in December
Flying Fish Cove, Christmas Island

Average sea temperature in December - Flying Fish Cove, Christmas Island
  • Average sea temperature in December: 28.6°C

The best month for swimming (with the highest average sea temperature) is March (29.6°C).
The coldest months (with the lowest average sea temperature) are August and September (26.3°C).

Average daylight in December /
Average sunshine in December
Flying Fish Cove, Christmas Island

Average daylight in December / Average sunshine in December - Flying Fish Cove, Christmas Island
  • Average daylight in December: 12h and 4min

The month with the longest days is December (Average daylight: 12h and 42min).
The month with the shortest days is June (Average daylight: 11h and 30min).

  • Average sunshine in December: 9h and 1min

The month with the most sunshine is February (Average sunshine: 10h and 18min).
The month with the least sunshine is July (Average sunshine: 6h and 48min).

Average sunshine days in December
Flying Fish Cove, Christmas Island

Average sunshine days in December - Flying Fish Cove, Christmas Island
  • Average sunshine days in December: 7.3 days

The months with the most sunshine days are January and August (7.6 days).
The month with the least sunshine days is May (4.4 days).

Average UV index in December
Flying Fish Cove, Christmas Island

Average UV index in December - Flying Fish Cove, Christmas Island
  • Average UV index in December: 6

The months with the highest UV index are January, February, March and April (UV index 7).
The months with the lowest UV index are May, June, July, August, September, October, November and December (UV index 6).

Average cloud cover in December
Flying Fish Cove, Christmas Island

Average cloud cover in December - Flying Fish Cove, Christmas Island
  • Average cloud cover in December: 43

The month with the most cloud cover is December (Cloud cover 43).
The month with the least cloud cover is August (Cloud cover 25).

Average visibility in December
Flying Fish Cove, Christmas Island

Average visibility in December - Flying Fish Cove, Christmas Island
  • Average visibility in December: 10km

The months with the highest visibility are January, February, March, April, May, June, July, August, September, October, November and December (10km).
The months with the lowest visibility are January, February, March, April, May, June, July, August, September, October, November and December (10km).

Flying Fish Cove, Christmas Island

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