December Weather in Siasi, Philippines

Last updated: August 27, 2025

In December, the average temperature in Siasi, Philippines hovers around 27°C (81°F), with a minimum of 25°C (78°F) and a maximum of 29°C (84°F). Expect precipitation of 158 mm (6.2 in) spread over approximately 24 days, contributing to an average humidity of 78%. Get ready for a warm and wet month!

December Temperature in Siasi

In December, in Siasi, the average temperature is 27°C (81°F). The maximum can reach 29°C (84°F), while the minimum can drop to as low as 25°C (78°F). This mild and pleasant climate makes Siasi a perfect destination for travelers seeking warm and enjoyable weather.

December Weather in Siasi: Daily Temperature Highs, Lows, and Averages

The chart illustrates December temperature patterns in Siasi, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends. In Siasi, December typically has an average temperature of 27°C (81°F), with highs reaching up to 29°C (84°F) and lows dropping to around 25°C (78°F).
JanFebMarAprMayJunJulAugSepOctNovDec818081818282818182828181
Data source: Temperature data for Siasi 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 Siasi

In Siasi, in December, the precipitation amount is 158 mm (6.2 in) occurring over the course of 24 days.

December Precipitation Trends in Siasi

The chart displays monthly precipitation patterns in Siasi, 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 Siasi, December typically receives around 158 mm (6.2 inches) of precipitation spread over approximately 24 days.
JanFebMarAprMayJunJulAugSepOctNovDec112767064121154162130148159129158
Data source: Precipitation data for December generated using information from the Copernicus Climate Change Service.
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December Humidity in Siasi

In Siasi in December humidity is 78%. With an average temperature of 27°C (81°F), this humidity feels like a warm, heavy embrace that makes traveling feel both invigorating and exhausting. Moments spent outside can quickly become clammy and uncomfortable, urging travelers to seek shade and hydration as they explore.

December Average Humidity in Siasi

This chart illustrates the average monthly humidity levels in Siasi, 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 Siasi is approximately 78%, offering insight into how humid the weather typically is during this month.
JanFebMarAprMayJunJulAugSepOctNovDec82%82%81%77%75%75%75%77%79%76%75%78%
Data source: Humidity data for December generated using information from the Copernicus Climate Change Service.

December UV Index in Siasi

In Siasi in December, the maximum UV index is 12, which corresponds to an extreme Exposure Category. The time to burn is just 10 minutes, underscoring the importance of sun protection. For detailed information, you can check the Hourly UV Index in Siasi.

Maximum UV Index Levels in Siasi for December

The chart shows the monthly maximum UV Index (UVI) for Siasi 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 Siasi typically reaches 12, which falls under the extreme exposure category.
JanFebMarAprMayJunJulAugSepOctNovDec141517161513141515141312
Data source: Siasi 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 Siasi Compares to Other Months

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

This table compares monthly weather conditions in Siasi, showing how December’s temperature, precipitation, humidity, and UV index levels differ from those of other months.
 TemperaturePrecipitationHumidityUV
January Weather27°C (81°F)112 mm (4.4 inches)82%extreme
February Weather27°C (81°F)76 mm (3.0 inches)82%extreme
March Weather27°C (81°F)70 mm (2.8 inches)81%extreme
April Weather27°C (82°F)64 mm (2.5 inches)77%extreme
May Weather28°C (82°F)121 mm (4.8 inches)75%extreme
June Weather28°C (82°F)154 mm (6.1 inches)75%extreme
July Weather27°C (82°F)162 mm (6.4 inches)75%extreme
August Weather27°C (82°F)130 mm (5.1 inches)77%extreme
September Weather28°C (82°F)148 mm (5.8 inches)79%extreme
October Weather28°C (82°F)159 mm (6.2 inches)76%extreme
November Weather27°C (82°F)129 mm (5.1 inches)75%extreme
December Weather27°C (81°F)158 mm (6.2 inches)78%extreme

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