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December Weather in Sa'asa'ai, Samoa

Last updated: August 31, 2025

In December, the average temperature in Sa'asa'ai, Samoa hovers around 25°C (78°F), with a comfortable minimum of 23°C (73°F) and a pleasant maximum of 28°C (83°F). However, prepare for some rain, as the region sees an average precipitation amount of 432 mm (17.0 in) over 29 days. Don't forget your umbrella! With an average humidity of 79%, the air is sure to feel quite moist, adding to the vibrant atmosphere of the season.

December Temperature in Sa'asa'ai

In December in Sa'asa'ai, the average temperature is 25°C (78°F). Maximums can reach 28°C (83°F), while minimums can drop as low as 23°C (73°F). This pleasant weather makes it an ideal time for travelers to explore the area and enjoy outdoor activities.

December Weather in Sa'asa'ai: Daily Temperature Highs, Lows, and Averages

The chart illustrates December temperature patterns in Sa'asa'ai, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends. In Sa'asa'ai, December typically has an average temperature of 25°C (78°F), with highs reaching up to 28°C (83°F) and lows dropping to around 23°C (73°F).
JanFebMarAprMayJunJulAugSepOctNovDec787878787877777677777778
Data source: Temperature data for Sa'asa'ai generated using information from the Copernicus Climate Change Service.
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The average of daily temperatures (24 hours) calculated across all days in the month.

December Precipitation in Sa'asa'ai

In Sa'asa'ai in December, the total precipitation amount is 432 mm (17.0 in) spread over 29 days.

December Precipitation Trends in Sa'asa'ai

The chart displays monthly precipitation patterns in Sa'asa'ai, with values for each month alongside December’s data, which is highlighted for easy comparison. It shows the amount of precipitation, providing insights into how December’s conditions compare to those of other months. In Sa'asa'ai, December typically receives around 432 mm (17.0 inches) of precipitation spread over approximately 29 days.
JanFebMarAprMayJunJulAugSepOctNovDec343527190230188134196128129216287432
Data source: Precipitation data for December generated using information from the Copernicus Climate Change Service.
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December Humidity in Sa'asa'ai

In Sa'asa'ai in December humidity is 79%. With an average temperature of 25°C (78°F), this humidity feels like a warm, heavy blanket enveloping you, making outdoor activities less inviting and requiring frequent breaks to stay refreshed.

December Average Humidity in Sa'asa'ai

This chart illustrates the average monthly humidity levels in Sa'asa'ai, with December’s data highlighted for easy comparison. It shows the fluctuation in humidity throughout the year, helping you understand how conditions vary by season. In December, average humidity in Sa'asa'ai is approximately 79%, offering insight into how humid the weather typically is during this month.
JanFebMarAprMayJunJulAugSepOctNovDec78%78%78%78%79%80%81%84%84%82%79%79%
Data source: Humidity data for December generated using information from the Copernicus Climate Change Service.

December UV Index in Sa'asa'ai

In Sa'asa'ai in December, the maximum UV index reaches an alarming 15, which falls into the extreme Exposure Category. With a time to burn of just 10 minutes, it's crucial to take precautions. For detailed information, you can check the Hourly UV Index in Sa'asa'ai.

Maximum UV Index Levels in Sa'asa'ai for December

The chart shows the monthly maximum UV Index (UVI) for Sa'asa'ai in December, representing the highest UV radiation level. The UVI measures the intensity of ultraviolet radiation from the sun, indicating the potential risk of sunburn and UV-related health issues. In December, the maximum UV index in Sa'asa'ai typically reaches 15, which falls under the extreme exposure category.
JanFebMarAprMayJunJulAugSepOctNovDec16161613119101214151515
Data source: Sa'asa'ai December UVI data generated using information from the Copernicus Climate Change Service.

UV Risk Categories

  •  Extreme (11+): Avoid the sun, stay in shade.
  •  Very High (8-10): Limit sun exposure.
  •  High (6-7): Use SPF 30+ and protective clothing.
  •  Moderate (3-5): Midday shade recommended.
  •  Low (0-2): No protection needed.

How December Weather in Sa'asa'ai Compares to Other Months

Weather in Sa'asa'ai varies notably across the year, with each month offering distinct climate conditions. This page compares December’s weather to other months in Sa'asa'ai, focusing on differences in temperature, rainfall, humidity, and UV levels.

This table compares monthly weather conditions in Sa'asa'ai, showing how December’s temperature, precipitation, humidity, and UV index levels differ from those of other months.
 TemperaturePrecipitationHumidityUV
January Weather26°C (78°F)343 mm (13.5 inches)78%extreme
February Weather25°C (78°F)527 mm (20.8 inches)78%extreme
March Weather26°C (79°F)190 mm (7.5 inches)78%extreme
April Weather26°C (79°F)230 mm (9.1 inches)78%extreme
May Weather26°C (78°F)188 mm (7.4 inches)79%extreme
June Weather25°C (78°F)134 mm (5.3 inches)80%very high
July Weather25°C (77°F)196 mm (7.7 inches)81%very high
August Weather25°C (77°F)128 mm (5.0 inches)84%extreme
September Weather25°C (77°F)129 mm (5.1 inches)83%extreme
October Weather25°C (77°F)216 mm (8.5 inches)82%extreme
November Weather25°C (78°F)287 mm (11.3 inches)79%extreme
December Weather25°C (78°F)432 mm (17.0 inches)79%extreme

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