December weather forecast
Fagamalo, Samoa

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Weather in December

December marks the peak of Fagamalo, Samoa's wet season. The weather differs markedly from November, with an increase in cloud cover percentages and shorter daylight hours. Rainfall reaches 421mm (16.57"), the maximum measurement for the year, suggesting heavy and frequent showers. Despite the increased precipitation, temperature and atmospheric pressure remain relatively constant. As the town steps into the new year, weather patterns take on a milder tone.

Temperature

The transition into December marks the average high-temperature at a still warm 27.1°C (80.8°F), differing minimally from November's 26.9°C (80.4°F). Fagamalo records a slight downturn in temperature to an average of 26.1°C (79°F) during December nights.

Heat index

December's average heat index is estimated at a tropical 30°C (86°F). With ongoing exposure and activity, one might experience weariness, and heat cramps could ensue.
Keep in mind the heat index values are meant for areas in shade and with light wind. The heat index values could be amplified by up to 15 Fahrenheit (8 Celsius) degrees in direct sunlight.
Note: The heat index, also known as 'apparent temperature' or 'real feel', gauges the sensation of temperature factoring in the air's moisture content. The influence of weather is personal, with a diverse population experiencing it differently due to differences in body mass, stature, and degree of activity. Awareness is key; direct sunlight can enhance the weather's impact, possibly boosting the heat index by up to 15 Fahrenheit (8 Celsius) degrees. Heat index values are particularly important for children. Youngsters typically face more danger than adults since they sweat less. Their larger skin surface compared to their small bodies and heightened heat production from their activities augment their vulnerability.

Humidity

In December, the average relative humidity is 80%.

Rainfall

In Fagamalo, 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.

Sea temperature

January through May, November and December, with an average sea temperature of 29°C (84.2°F), are months with the warmest seawater.
Note: Between 25°C (77°F) and 29°C (84.2°F), water temperature is typically considered very warm and pleasurable by everyone. Water activities at these temperatures are enjoyable for extended periods without discomfort.

Daylight

With an average of 12h and 54min of daylight, December has the longest days of the year.
On the first day of the month, sunrise is at 05:52 and sunset at 18:44. On the last day of December, in Fagamalo, sunrise is at 06:05 and sunset at 18:59 +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 value of 6 to 7 symbolizes a high health hazard from unprotected exposure to Sun's UV rays for average individuals.
Note: The maximum UV index of 7 during December leads to these instructions:
Take precautions against overexposure. Fair-skinned people may get burned in less than 20 minutes. Avoid direct exposure to the Sun between 10 a.m. and 4 p.m., the peak period for UV radiation, noting that objects like parasols or canopies might not offer complete sun protection. Prioritize a wide-brim hat for comprehensive sun defense for your face, neck, eyes, and ears. Be attentive! The UV exposure is heightened with reflections from sand and water.

Frequently asked questions

What is the average December temperature?

December temperatures vary between a 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. 'real feel', 'felt air temperature'), which represents the influence of relative humidity on air temperature, is estimated at 30°C (86°F).

What is the average humidity in December?

In December, the average relative humidity is 80%.

How many days does it rain in December?

In Fagamalo, in December, it is raining for 28.6 days, with typically 421mm (16.57") of accumulated precipitation.

When is the sea warmest in Fagamalo?

January through May, November and December, with an average sea temperature of 29°C (84.2°F), are months with the warmest seawater.

What is the water temperature in December?

In Fagamalo, the average seawater temperature in December is 29°C (84.2°F). For swimming, diving, and other water activities, temperatures between 25°C (77°F) and 29°C (84.2°F) are perceived as very enjoyable and pleasurable for prolonged periods without feeling uncomfortable.

When are the longest days?

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

What is the average length of the day in December?

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

When is the sunrise / sunset in December?

In December, on the first day of the month, sunrise is at 05:52 and sunset at 18:44. On the last day of the month, sunrise is at 06:05 and sunset at 18:59 +13.

How long on average sun shines in December?

In December, the average sunshine duration is 7.2h.

What are the months with the highest UV index?

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

What is the month with the lowest UV index?

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

How high is the UV index in December?

In December, the average daily maximum UV index is 7. A UV Index value of 6 to 7 symbolizes a high health risk from exposure to Sun's UV rays.

Average temperature in December
Fagamalo, Samoa

Average temperature in December - Fagamalo, 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
Fagamalo, Samoa

Average pressure in December - Fagamalo, 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
Fagamalo, Samoa

Average wind speed in December - Fagamalo, 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
Fagamalo, Samoa

Average humidity in December - Fagamalo, 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
Fagamalo, Samoa

Average rainfall in December - Fagamalo, 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
Fagamalo, Samoa

Average rainfall days in December - Fagamalo, 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 sea temperature in December
Fagamalo, Samoa

Average sea temperature in December - Fagamalo, Samoa
  • Average sea temperature in December: 29°C

The best months for swimming (with the highest average sea temperature) are January, February, March, April, May, November and December (29°C).
The coldest months (with the lowest average sea temperature) are June, July, August, September and October (28°C).

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

Average daylight in December / Average sunshine in December - Fagamalo, 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
Fagamalo, Samoa

Average sunshine days in December - Fagamalo, 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
Fagamalo, Samoa

Average UV index in December - Fagamalo, 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
Fagamalo, Samoa

Average cloud cover in December - Fagamalo, 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
Fagamalo, Samoa

Average visibility in December - Fagamalo, 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).

Fagamalo, Samoa

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