December weather forecast
Sataua, Samoa

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Weather in December

Rounding off the year, December in Sataua experiences a blend of increased rainfall and slight decrease in wind speed, which now hits around 19km/h (11.8mph). The weather continues to favor bright, sunny days where daylight extends for approximately 12.9 hours - the longest throughout the year. With an increased cloud cover of 50%, the city witnesses more cloudy days than clear ones. Though the UV index continues to hold its position at 7, making sun protection a necessity throughout the year. Despite the shifts in climatological factors over the course of the year, Sataua's tropical charm remains consistent, making it a year-round destination.

Temperature

Sataua registers an average high-temperature of a still moderately hot 27.1°C (80.8°F) with the arrival of December, showing minor deviation from the preceding month. In Sataua, December nights experience a modest descent in temperature from daily peaks, cooling down to an average of 26.1°C (79°F).

Heat index

December's heat index is calculated to be a tropical 30°C (86°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. Direct exposure to sunshine could lead to a heat index increase by 15 Fahrenheit (8 Celsius) degrees.
Note: The heat index, also known as 'real feel' or 'felt air temperature', unifies temperature and humidity readings to offer a comprehensive feel of warmth. The individual's impression of temperature can be affected by numerous factors such as metabolic variations, physical exertion, and attire. Should you be directly under the sun, anticipate a possible increase in the heat index by up to 15 Fahrenheit (8 Celsius) degrees. Heat index values are especially crucial for babies and toddlers. 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 is 80%.

Rainfall

In Sataua, during December, the rain falls for 28.6 days and regularly aggregates up to 421mm (16.57") of precipitation. Throughout the year, there are 311 rainfall days, and 3423mm (134.76") of precipitation is accumulated.

Daylight

The month with the longest days is December, with an average of 12h and 54min of daylight.
On the first day of December, sunrise is at 05:54 and sunset at 18:46. On the last day of the month, sunrise is at 06:06 and sunset at 19:01 +13.

Sunshine

In December, the average sunshine is 7.2h.

UV index

January through December, with an average maximum UV index of 7, are months with the highest UV index. January through December, with an average maximum UV index of 7, are months with the lowest UV index. A UV Index reading of 6 to 7 represents a high health vulnerability from unprotected exposure to Sun's UV rays for average individuals.
Note: The daily maximum UV index of 7 in December interprets into the following advice:
Uphold preventive measures and conform to sun safety guidelines. Defending against skin and eye harm is crucial. The time between 10 a.m. and 4 p.m. is when UV radiation is at its peak. Limit exposure to direct sunlight during these hours. Counter UV radiation's ill effects with clothing designed for sun safety and UV-resistant eyewear.

Frequently asked questions

What is the average December temperature?

During December, Sataua experiences an average high-temperature of 27.1°C (80.8°F) and a low-temperature of 26.1°C (79°F). In December, the average heat index (a.k.a. 'felt air temperature', 'feels like'), which combines air temperature and relative humidity, is calculated to be 30°C (86°F).

What is the average humidity in December?

In December, the average relative humidity is 80%.

How much does it rain in Sataua in December?

In Sataua, during December, the rain falls for 28.6 days and regularly aggregates up to 421mm (16.57") of precipitation.

When are the longest days in Sataua?

With an average of 12h and 54min of daylight, December has the longest days of the year.

What is the average length of the day in December?

In Sataua, the average day length in December is 12h and 55min.

When is the sunrise / sunset in December?

On the first day of December, sunrise is at 05:54 and sunset at 18:46. On the last day of the month, sunrise is at 06:06 and sunset at 19:01 +13.

How many hours of sunshine does Sataua have in December?

The average sunshine duration in December is 7.2h.

What is the month with the highest UV index?

January through December, with an average maximum UV index of 7, are months with the highest UV index.

When is the lowest UV index?

The months with the lowest UV index are January through December, with an average maximum UV index of 7.

What is the UV index reading in December?

In December, the average daily maximum UV index in Sataua is 7. A UV Index estimate of 6 to 7 represents a high health vulnerability from unsafe exposure to Sun's UV rays.

Average temperature in December
Sataua, Samoa

Average temperature in December - Sataua, Samoa
  • Average high temperature in December: 27.1°C

The warmest month (with the highest average high temperature) is April (27.5°C).
The months with the lowest average high temperature are August and September (26.3°C).

  • Average low temperature in December: 26.1°C

The month with the highest average low temperature is April (26.4°C).
The coldest months (with the lowest average low temperature) are July, August and September (25.2°C).

Average pressure in December
Sataua, Samoa

Average pressure in December - Sataua, Samoa
  • Average pressure in December: 1008.2mbar

The month with the highest atmospheric pressure is September (1012.2mbar).
The month with the lowest atmospheric pressure is January (1007.4mbar).

Average wind speed in December
Sataua, Samoa

Average wind speed in December - Sataua, Samoa
  • Average wind speed in December: 19km/h

The windiest month (with the highest average wind speed) is July (26.7km/h).
The calmest month (with the lowest average wind speed) is March (16.5km/h).

Average humidity in December
Sataua, Samoa

Average humidity in December - Sataua, Samoa
  • Average humidity in December: 80%

The month with the highest relative humidity is September (82%).
The months with the lowest relative humidity are March and April (79%).

Average rainfall in December
Sataua, Samoa

Average rainfall in December - Sataua, Samoa
  • Average rainfall in December: 421mm

The wettest month (with the highest rainfall) is January (459mm).
The driest month (with the least rainfall) is September (102mm).

Average rainfall days in December
Sataua, Samoa

Average rainfall days in December - Sataua, Samoa
  • Average rainfall days in December: 28.6 days

The month with the highest number of rainy days is March (29.3 days).
The month with the least rainy days is September (21 days).

Average daylight in December /
Average sunshine in December
Sataua, Samoa

Average daylight in December / Average sunshine in December - Sataua, Samoa
  • Average daylight in December: 12h and 5min

The month with the longest days is December (Average daylight: 12h and 54min).
The month with the shortest days is June (Average daylight: 11h and 18min).

  • Average sunshine in December: 7h and 1min

The month with the most sunshine is March (Average sunshine: 8h and 6min).
The months with the least sunshine are January and February (Average sunshine: 7h and 6min).

Average sunshine days in December
Sataua, Samoa

Average sunshine days in December - Sataua, Samoa
  • Average sunshine days in December: 1.6 days

The month with the most sunshine days is August (6.7 days).
The month with the least sunshine days is February (0.8 days).

Average UV index in December
Sataua, Samoa

Average UV index in December - Sataua, Samoa
  • Average UV index in December: 7

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

Average cloud cover in December
Sataua, Samoa

Average cloud cover in December - Sataua, Samoa
  • Average cloud cover in December: 50

The months with the most cloud cover are January and February (Cloud cover 51).
The month with the least cloud cover is March (Cloud cover 43).

Average visibility in December
Sataua, Samoa

Average visibility in December - Sataua, Samoa
  • Average visibility in December: 9km

The months with the highest visibility are June, July, August and September (10km).
The months with the lowest visibility are January, February, March, April, May, October, November and December (9km).

Sataua, Samoa

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