December weather forecast
South Point, Christmas Island

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Weather in December

Capping off the year, December upholds the cycle of increasing rainfall and decreasing daylight hours. Temperatures hover around the yearly averages, hence not bringing any significant alterations. The prominent change in this month is the climb in the amount of rainfall, totaling an average of 103mm (4.06"). This ensures a wet Christmas for residents and visitors in South Point. Despite the increment in precipitation, wind speeds do not vary greatly from November, thereby bringing the year to a balanced close.

Temperature

South Point records an average high-temperature of a still moderately hot 27.8°C (82°F) as December arrives, nearly mirroring the previous month's climate. South Point notes a consistent average low-temperature of 23.9°C (75°F) during December nights.

Heat index

In December, the heat index is evaluated at a hot 31°C (87.8°F). Enduring exposure and ongoing activity could cause a sense of fatigue and subsequent heat cramps.
Be informed that the heat index values are oriented around shady conditions and gentle breezes. Being under direct sunlight might amplify the heat index by 15 Fahrenheit (8 Celsius) degrees.
Note: The heat index, also known as 'felt air temperature' or 'real feel', provides an understanding of perceived warmth by combining temperature and relative humidity. The impact of weather is individual, with diverse individuals experiencing it differently due to variations in body mass, height, and activity levels. Given the impact of direct sunlight, it's noteworthy that the felt temperature can rise by 15 Fahrenheit (8 Celsius) degrees. Heat index values are extremely significant for babies and toddlers. Young individuals usually face greater risks than adults as their sweat production is less. Also, their larger skin surface relative to their small bodies and the high heat generation due to their activity contributes to their vulnerability.

Humidity

In South Point, the average relative humidity in December is 79%.

Rainfall

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

Daylight

The month with the longest days is December, 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, sunrise is at 05:38 and sunset at 18:22 +07.

Sunshine

In December, the average sunshine in South Point, Christmas Island, is 9.2h.

UV index

May through December, with an average maximum UV index of 6, are months with the lowest UV index. A UV Index value of 6 to 7 symbolizes a high health risk from unprotected exposure to Sun's UV rays for ordinary individuals.
Note: A maximum daily UV index of 6 during December morphs into the following directions:
Resist extreme sun exposure. Guarding against solar damage is essential. It's important to stay in the shade and limit exposure to the sun from 10 a.m. to 4 p.m., when UV radiation is most intense, although remember that shade structures may not provide full sun protection. Loose clothes with a tight weave are optimal for safeguarding yourself against the Sun's rays.

Frequently asked questions

What are the temperatures in South Point in December?

South Point in December has an average high-temperature of 27.8°C (82°F) and an average low-temperature of 23.9°C (75°F). In December, the average heat index (a.k.a. 'apparent temperature', 'feels like'), which combines air temperature and relative humidity, is evaluated at 31°C (87.8°F).

What is the average humidity in December in South Point?

In South Point, the average relative humidity in December is 79%.

How much does it rain in South Point in December?

In South Point, during December, the rain falls for 21.4 days and regularly aggregates up to 103mm (4.06") of precipitation.

When are the longest days in South Point?

The month with the longest days in South Point, Christmas Island, is December, with an average of 12h and 42min of daylight.

What is the average length of the day in December in South Point?

In December, the average day length in South Point is 12h and 44min.

When are sunrise and sunset in December in South Point?

On the first day of December in South Point, Christmas Island, 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 long on average sun shines in December in South Point?

In December, the average sunshine duration is 9.2h.

What are the months with the lowest UV index in South Point?

May through December, with an average maximum UV index of 6, are months with the lowest UV index in South Point, Christmas Island.

What is the UV index reading in December in South Point?

The average daily maximum UV index in December in South Point, Christmas Island, is 6. A UV Index estimate of 6 to 7 represents a high health risk from exposure to the Sun's UV radiation.

Average temperature in December
South Point, Christmas Island

Average temperature in December - South Point, 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
South Point, Christmas Island

Average pressure in December - South Point, 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
South Point, Christmas Island

Average wind speed in December - South Point, 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
South Point, Christmas Island

Average humidity in December - South Point, 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
South Point, Christmas Island

Average rainfall in December - South Point, 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
South Point, Christmas Island

Average rainfall days in December - South Point, 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 daylight in December /
Average sunshine in December
South Point, Christmas Island

Average daylight in December / Average sunshine in December - South Point, 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
South Point, Christmas Island

Average sunshine days in December - South Point, 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
South Point, Christmas Island

Average UV index in December - South Point, 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
South Point, Christmas Island

Average cloud cover in December - South Point, 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
South Point, Christmas Island

Average visibility in December - South Point, 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).

South Point, Christmas Island

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