December Weather in Calamba, Philippines

Last updated: August 27, 2025

December in Calamba, Philippines is characterized by warm temperatures and significant rainfall. With a maximum of 31°C (88°F) and an average temperature around 27°C (80°F), the weather remains comfortably warm despite the prevalent humidity levels, which reach a notable 88%. This month witnesses substantial rainfall, accumulating to 264 mm (10.4 in) over approximately 28 days, making for a somewhat wet atmosphere. Visitors should prepare for both the warmth and the likelihood of daily showers, typical of this tropical climate.

December Temperature in Calamba

In December, Calamba, Philippines, experiences a delightful transition into cooler weather, with temperatures showcasing a blend of warmth and comfort. The minimum temperature hovers around 23°C (74°F), offering a pleasant start to the day, while the average remains a steady 27°C (80°F), ensuring an inviting atmosphere throughout. The maximum temperature peaks at 31°C (88°F), striking a perfect balance between warmth and chill—a refreshing change from the hotter months preceding it. This month marks a subtle shift from November’s milder conditions, as temperatures gradually stabilize, making December an ideal time for enjoying outdoor activities and family gatherings in the vibrant city.

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

The chart illustrates December temperature patterns in Calamba, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends. In Calamba, December typically has an average temperature of {2}°C ({3}°F), with highs reaching up to {4}°C ({5}°F) and lows dropping to around {6}°C ({7}°F).
JanFebMarAprMayJunJulAugSepOctNovDec797980818281818281818180
Data source: Temperature data for Calamba generated using information from the Copernicus Climate Change Service.
Choose your preferred temperature unit
The average of daily temperatures (24 hours) calculated across all days in the month.

December Precipitation in Calamba

In Calamba, Philippines, December brings a significant upswing in rainfall, with precipitation reaching 264 mm (10.4 in)—the highest of the year. This month is characterized by a notable increase in rainy days, totaling 28, which not only emphasizes the transition into the wet season but also accentuates the region's lush landscape as it flourishes under the abundant moisture. Compared to other months, December stands out not only for its quantity of rain but also for the consistent frequency of precipitation, setting the tone for a vibrant and invigorating end to the year. This trend highlights the importance of December for both agricultural cycles and the environment, ensuring that Calamba remains visually stunning and ecologically rich even as the year closes.

December Precipitation Trends in Calamba

The chart displays monthly precipitation patterns in Calamba, 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 Calamba, December typically receives around {2} mm ({3} inches) of precipitation spread over approximately {4} days.
JanFebMarAprMayJunJulAugSepOctNovDec241209139148178238212152165222189264
Data source: Precipitation data for December generated using information from the Copernicus Climate Change Service.
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December Humidity in Calamba

In Calamba, Philippines, December brings a slight increase in humidity, averaging 88%, as the year approaches its end. A noticeable trend in the region's humidity levels shows a consistent high throughout the year, with January to March maintaining a steady 90%, creating a humid environment typical of the tropical climate. As temperatures rise towards April, humidity dips slightly to 88%, before gradually declining until June, when it reaches its lowest point at 80% in July. The latter half of the year, however, sees a rebound, with humidity creeping back up to 84% by November and concluding the year with a refreshing 88% in December. This cyclical pattern highlights the enduring monsoon influence, contributing to the lush and vibrant landscape characteristic of this region.

December Average Humidity in Calamba

This chart illustrates the average monthly humidity levels in Calamba, 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 Calamba is approximately {2}%, offering insight into how humid the weather typically is during this month.
JanFebMarAprMayJunJulAugSepOctNovDec90%90%90%88%83%81%81%81%84%81%84%88%
Data source: Humidity data for December generated using information from the Copernicus Climate Change Service.

December UV Index in Calamba

December in Calamba, Philippines, continues to showcase the region's significant exposure to UV radiation, maintaining an extreme UV Index of 11. This month concludes a year where the UV Index remained consistently high, peaking at 16 in both March and April. With a consistent burn time of 10 minutes across the year, residents and visitors alike should remain vigilant, especially as the UV levels only slightly decrease towards the year's end. Despite December’s marginal dip, sun safety practices should remain a priority as UV exposure remains a notable concern. For more detailed information, visit Calamba UV Index.

Maximum UV Index Levels in Calamba for December

The chart shows the monthly maximum UV Index (UVI) for Calamba 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 Calamba typically reaches {2}, which falls under the {3} exposure category.
JanFebMarAprMayJunJulAugSepOctNovDec131416161413131514141211
Data source: Calamba 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.

December Sunshine in Calamba

In Calamba, Philippines, December greets residents with a warm embrace of 263 hours of sunshine, marking a slight decline from the sunnier months of May through August, when the city enjoys its peak luminosity. Despite this dip, December's sunlight still stands strong compared to the cooler months preceding it, maintaining a vibrant backdrop for holiday festivities. The year starts with 223 hours of sunlight in January, progressively brightening into the summer months, demonstrating a clear trend of increasing sunlight as the seasons shift. The gradual tapering of sun hours in the latter part of the year hints at the tranquil yet festive atmosphere that characterizes the holiday season, allowing for ample moments to bask in the soft rays of a December sun.

Monthly Sunshine Duration in Calamba: December Highlighted

The December sunshine duration represents the total number of hours Calamba experiences direct sunlight during the month of December, excluding cloudy or obstructed periods. This chart compares the sunshine duration of December with the other months of the year.
JanFebMarAprMayJunJulAugSepOctNovDec223h261h305h304h318h294h287h292h283h278h271h263h
Data source: Calamba December Sunshine duration data generated using information from the Copernicus Climate Change Service.

Chance of Sun in Calamba During December

As we transition into December in Calamba, Philippines, the prospects for sunny weather show a slight dip, with a 14% chance of sunshine. This marks a continuation of the trend observed in the latter months of the year, where the chances of sun linger around the lower end of the spectrum. While December is not the sunniest month, it closely resembles November's 15%, suggesting a consistent cloud cover as the year wraps up. This pattern of decreased sunlight from the peak of March's 28% highlights the wet season's influence, inviting a cozy ambiance ideal for holiday gatherings, despite the occasional need for indoor activities due to clouds.

Percentage of Sunny Days in December in Calamba

The chart illustrates the percentage of sunny days in Calamba throughout the year, with December highlighted. It highlights the variation in sunshine across each month and provides an overview of the typical frequency of sunny days, offering insights into how often Calamba experiences clear skies throughout the year.
JanFebMarAprMayJunJulAugSepOctNovDec11%22%28%22%17%18%14%18%11%11%15%14%
Data source: Calamba December chance of sun data, generated using information from the Copernicus Climate Change Service.

Daylight Hours in Calamba in December

In Calamba, Philippines, December brings a continuation of the shorter daylight hours that begin to emerge as the year winds down. With 11 hours of daylight, the month mirrors both January and February, highlighting a slight dip as the region transitions from the longer days of March through September, where sunlight extends to 12 hours daily. This cyclical trend illustrates the rhythm of the seasons—longer days ushering in summer, followed by a gradual reduction in daylight as Christmas approaches, before the pattern resets in the New Year. Embracing this shift, residents can enjoy the beauty of the festive season illuminated by the warm glow of shorter days.

Average Daylight Hours in Calamba for December

The chart illustrates the variation in daylight duration in Calamba throughout the year, with December highlighted. It shows the monthly changes in daylight hours, calculated by summing the hours between sunrise and sunset.
JanFebMarAprMayJunJulAugSepOctNovDec11h 38m11h 49m12h 3m12h 18m12h 31m12h 37m12h 34m12h 23m12h 9m11h 54m11h 41m11h 35m
Data source: Calamba daylight hours, calculated by summing the hours between sunrise and sunset for each day.

December Winds in Calamba

As the year comes to a close in Calamba, Philippines, the winds pick up their pace, with December boasting an average wind speed of 2.3 m/s (5 mph). This marks a notable increase compared to the preceding months, where wind speeds generally hovered around 1.5 to 1.8 m/s (3 to 4 mph). The trend illustrates a subtle crescendo in wind activity during the latter part of the year, particularly in December, which may herald the arrival of cooler temperatures and a refreshing change in the atmosphere. This invigorating breeze not only signals the festive spirit of the season but also highlights nature's dynamic shifts as it transitions from one year to the next.

Average December Wind Speed in Calamba

The chart displays monthly wind speed patterns in Calamba, with values for each month shown alongside December's data, which is highlighted for easy comparison. It illustrates the average wind speed, offering insights into how December's wind conditions compare to the rest of the year.
JanFebMarAprMayJunJulAugSepOctNovDec1.52.11.62.01.81.61.71.71.71.81.62.3 m/s
Data source: Calamba December wind data, generated using information from the Copernicus Climate Change Service.

How December Weather in Calamba Compares to Other Months

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

In December, temperatures are slightly warmer with averages around 27°C (80°F) and maximums reaching up to 31°C (88°F), whereas January sees a minor drop, averaging 26°C (79°F) with a maximum of 30°C (87°F). Both months experience high humidity, but January is slightly more humid at 90% compared to December's 88%. Rainfall is also a bit lower in January, with 241 mm (9.5 in) accumulated over 23 days, compared to December's 264 mm (10.4 in) over 28 days. For more details on January weather, you can check Calamba weather in January.

In December, the weather is characterized by warmer temperatures, with a minimum of 23°C (74°F) and an average of 27°C (80°F), peaking at a maximum of 31°C (88°F). The month sees significant rainfall, totaling 264 mm (10.4 in) across 28 days, contributing to a high humidity level of 88%. In contrast, February experiences slightly cooler temperatures, with a minimum of 21°C (71°F), an average of 26°C (79°F), and a maximum of 30°C (87°F). Precipitation is lower in February, totaling 209 mm (8.2 in) over 20 days, and humidity rises modestly to 90%. For a more detailed look at the weather during this month, visit Calamba weather in February.

December and March exhibit similar temperature ranges, with December showcasing slightly higher average temperatures and a maximum of 31°C (88°F) for both months. However, December experiences significantly more precipitation, totaling 264 mm (10.4 in) over 28 days, compared to March's 139 mm (5.5 in) over 19 days. Additionally, humidity levels are slightly higher in March at 90%, while December stands at 88%. For a detailed look at March weather, visit Calamba weather in March.

In December, the weather is characterized by warm temperatures with a minimum of 23°C (74°F) and an average of 27°C (80°F), peaking at 31°C (88°F). This month experiences significant rainfall, with 264 mm (10.4 in) spread over 28 days, leading to high humidity levels of 88%. In contrast, April maintains similar minimum and average temperatures but reaches a slightly higher maximum of 32°C (89°F). Precipitation decreases substantially to 148 mm (5.8 in) over just 17 days, while humidity remains steady at 88%. For more details, visit Calamba weather in April.

December and May present distinct weather patterns, showcasing a subtle yet notable difference in temperature and precipitation. In December, temperatures range from a minimum of 23°C (74°F) to a maximum of 31°C (88°F), with an average of 27°C (80°F). The month experiences heavier rainfall, totaling 264 mm (10.4 in) over 28 days, accompanied by a high humidity level of 88%. In contrast, May sees slightly warmer conditions, with temperatures ranging from 24°C (75°F) to 33°C (91°F) and an average of 28°C (82°F). The precipitation in May amounts to 178 mm (7.0 in) over 27 days, but the humidity is slightly lower at 83%. For more detailed information about the weather during this month, you can visit Calamba weather in May.

In December, the weather is characterized by a slightly lower temperature range, with minimums of 23°C (74°F) and maximums reaching 31°C (88°F). Despite the average staying at a comfortable 27°C (80°F), the month experiences significant rainfall, with 264 mm (10.4 in) of precipitation spread over 28 days, resulting in high humidity levels of 88%.

In contrast, June sees a marginally warmer minimum temperature of 25°C (76°F) and a maximum of 32°C (89°F), with an average of 27°C (82°F). Precipitation in June is slightly less at 238 mm (9.4 in) over 26 days, and the humidity is lower at 81%. This makes June feel a bit more comfortable compared to the wetter and more humid conditions typical of December. For more details on June weather, visit Calamba weather in June.

December and July both feature warm temperatures, but with some notable differences in weather conditions. In December, the temperatures range from a minimum of 23°C (74°F) to a maximum of 31°C (88°F), with an average of 27°C (80°F). However, it is also the wettest month, receiving 264 mm (10.4 in) of precipitation over 28 days and high humidity levels at 88%. In contrast, July sees slightly higher minimum and maximum temperatures, ranging from 24°C (76°F) to 32°C (90°F) and maintaining the same average of 27°C (82°F). This month is generally drier, with 212 mm (8.3 in) of rain over 23 days and lower humidity at 80%. For more specific information on weather patterns, you can check Calamba weather in July.

In December, the weather tends to be slightly cooler than in August, with average temperatures ranging from a minimum of 23°C (74°F) to a maximum of 31°C (88°F), compared to August’s range of 24°C (76°F) to 32°C (90°F). December experiences significantly higher precipitation, totaling 264 mm (10.4 in) over 28 days, while August sees only 152 mm (6.0 in) across 22 days. Additionally, humidity levels are higher in December at 88%, compared to 81% in August, contributing to a more sultry atmosphere. For more detailed insights into August weather, refer to Calamba weather in August.

In comparing the weather conditions of December and September, we observe that both months maintain a warm average temperature around 27°C (80°F). However, December records a slightly lower minimum temperature of 23°C (74°F) compared to September's 24°C (75°F) and sees a slightly higher maximum of 31°C (88°F) versus September's 32°C (89°F). Notably, December experiences significantly higher precipitation, with 264 mm (10.4 in) over 28 days, while September has 165 mm (6.5 in) spread across 22 days, resulting in a higher humidity level of 88% in December compared to 84% in September. For more detailed insights, you can check the Calamba weather in September.

December weather in Calamba features temperatures that range from a minimum of 23°C (74°F) to a maximum of 31°C (88°F), with an average temperature of 27°C (80°F). Notably, December experiences higher precipitation levels, totaling 264 mm (10.4 in) across 28 days, and the humidity is relatively high at 88%. In contrast, October sees slightly warmer temperatures with a minimum of 24°C (75°F) and a maximum of 32°C (89°F), maintaining a similar average of 27°C (81°F). Precipitation in October is lower, at 222 mm (8.7 in) over 27 days, and the humidity is more moderate at 81%. For more detailed insights, you can visit Calamba weather in October.

In comparing the weather of December to that of November, both months experience similar average temperatures, with December maintaining an average of 27°C (80°F), just like November. However, December is characterized by slightly warmer minimum temperatures at 23°C (74°F), compared to November's 21°C (71°F). Additionally, December sees an increase in precipitation, totaling 264 mm (10.4 in) over 28 days, compared to November's 189 mm (7.4 in) across 25 days. Humidity also rises in December to an average of 88%, while November has a slightly lower humidity level of 84%. For more detailed weather patterns, you can check Calamba weather in November.

Compare Calamba's Climate with Cities Worldwide

Conclusion: What to Expect From December Weather in Calamba

As December unfolds in Calamba, the weather reveals a striking contrast to the preceding months. With an average temperature hovering around a comfortable 27°C (80°F), the warmth is tempered by a near-constant blanket of 88% humidity, creating a uniquely tropical ambiance. However, this month is notably characterized by its high precipitation, as rainfall graces the city on nearly every day, totaling 264 mm (10.4 in). This extended spell of wet weather not only enriches the landscape but also sets December apart as a time of renewal compared to the drier months earlier in the year. For those looking to delve deeper into Calamba's climate patterns, visit Calamba Climate for more insights.