Last updated: August 27, 2025
December in Calamba, Philippines, presents a tropical climate filled with warm temperatures and frequent rainfall. The maximum temperature hovers around 31°C (88°F), while the average settles at a comfortable 26°C (79°F), and the minimum rarely drops below 22°C (72°F). This month is characterized by significant precipitation, accumulating around 267 mm (10.5 in) over approximately 25 wet days, contributing to a high humidity level of 91%. Visitors should be prepared for a lush, vibrant atmosphere, ideal for experiencing the natural beauty of Calamba, despite the frequent showers.
In December, Calamba, Philippines, experiences a delightful transition as temperatures remain warm yet comfortable. With a minimum of 22°C (72°F) and a maximum of 31°C (88°F), the month offers an average temperature of 26°C (79°F), mirroring the mild weather seen in previous months. This consistent warmth throughout the year is typical for Calamba, where the temperature averages have remained steady, hovering between 25°C (78°F) and 27°C (81°F). As the festive season approaches, the pleasant climate encourages outdoor celebrations and gatherings, making December a truly inviting time to experience the charm of Calamba's tropical ambiance.
In December, Calamba, Philippines, experiences a notable transition into the wetter months, with precipitation reaching 267 mm (10.5 in) across approximately 25 rainy days. This substantial rainfall marks a slight decrease from the height of the wet season but still reflects the area's characteristic tropical climate, which often sees heavy rains from June to November. The month serves as a bridge from the vibrant rains of November, where 218 mm fell, into the drier, sunnier days of January. Overall, the consistent precipitation throughout the year solidifies Calamba’s reputation as a lush, green region, thriving in its distinct wet season rhythm.
In Calamba, Philippines, December marks the peak of humidity, reaching an impressive 91%. This increase is a culmination of a trend seen throughout the year, where humidity levels steadily rise from 85% in January to an apex at year-end. Following a gradual decrease in the early months—falling to 77% in March—the humidity begins to climb again, peaking in the second half of the year. By October, the humidity stabilizes around 87%, only to surge into nearly oppressive levels during the last two months. The consistent rise in December signals not just the transition into the wet season but also a characteristic feature of Calamba’s tropical climate, making it a month of muggy warmth and enriched rainfall.
As December rolls into Calamba, Philippines, the UV Index stands at 11, maintaining an extreme exposure category with a consistent burn time of just 10 minutes. This reflects a slight decrease from the peak values seen in earlier months, where the UV Index reached a high of 17 in April. Despite the lower readings in December, it remains crucial for residents and visitors to stay vigilant against sun exposure, as the risk of sunburn is still significant. The UV Index trends throughout the year demonstrate a consistent pattern of extreme levels, urging everyone to prioritize sun protection year-round. For detailed insights and updates, visit Calamba UV Index.
UV Risk Categories
In the charming city of Calamba, Philippines, the month of December brings about a delightful 276 hours of sunshine, marking a notable transition as the year winds down. As the festive season sets in, residents and visitors alike embrace the crisp air and golden rays that gently diminish from the sunny heights seen in May, which boasts a striking 319 hours of sunshine. The trend throughout the year shows a gradual decline from the peak of May, with March reaching 313 hours, and a slight dip during the rainy months of June and July, where sunshine hours hover around the mid-280s. As December arrives, the climate offers a balanced blend of warmth and cool breezes, inviting everyone to celebrate under a comforting sun that is still generous, yet softer compared to the blazing summer days. This seasonal pattern beautifully encapsulates the rich tapestry of weather that characterizes Calamba, making each month a unique experience in its own right.
In Calamba, Philippines, December sees a 16% chance of sunny weather, a slight uptick from the preceding month of November, which stands at 18%. This modest probability of clear skies in December indicates a seasonal trend towards less sunshine as the year comes to a close, particularly evident when compared to the sunnier months of March (34%) and April (24%). Notably, the chance of sun diminishes significantly during the middle of the year, peaking in early months before gradually declining, suggesting that while December may offer occasional sunny glimpses, it remains largely overshadowed by the cooler, cloudier days typical of the holiday season.
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.
As December arrives in Calamba, Philippines, residents welcome an invigorating shift in the air with an average wind speed of 3.4 m/s (8 mph), marking a noticeable uptick compared to the preceding months. This brisk wind signals a transition from the calmer breezes of June and August, where speeds dipped as low as 1.4 m/s (3 mph). Notably, December's winds stand in stark contrast to the warmer summer months, providing a refreshing respite as temperatures cool. This change not only enhances the festive atmosphere but also hints at the approaching dry season, making it an ideal time for outdoor activities and gatherings. The evolution of wind patterns, culminating in December’s lively gusts, reflects the dynamic climate of Calamba throughout the year.
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.
December and January both feature warm temperatures, with December slightly warmer, recording a minimum temperature of 22°C (72°F) compared to January's 21°C (71°F). The average temperature in December is also marginally higher at 26°C (79°F), while January holds a steady average of 25°C (78°F). In terms of precipitation, December is notably wetter, experiencing 267 mm (10.5 in) over 25 days, whereas January sees less rainfall at 184 mm (7.2 in) across 20 days. Additionally, humidity levels are higher in December, reaching 91%, compared to January's 85%. For more detailed information, you can check Calamba weather in January.
In comparing the weather between December and February, we observe that December tends to be warmer with average temperatures ranging from a minimum of 22°C (72°F) to a maximum of 31°C (88°F). February, on the other hand, shows slightly cooler temperatures with a minimum of 20°C (68°F) and an average of 25°C (78°F), although it still reaches highs of 31°C (88°F). Precipitation is more pronounced in December, accumulating 267 mm (10.5 in) over 25 rainy days, while February sees significantly less rain, with only 135 mm (5.3 in) over 17 days. Additionally, humidity levels are higher in December at 91%, compared to 80% in February, which contributes to a more steamy environment during the latter part of the year. For more detailed weather patterns, you can check Calamba weather in February.
December and March exhibit distinct weather patterns despite similar average temperatures. In December, the minimum temperature averages around 22°C (72°F), while March sees a slightly lower minimum of 21°C (69°F). Both months enjoy comfortable average highs, with December peaking at 31°C (88°F) and March slightly warmer at 32°C (89°F). However, December is characterized by significantly higher precipitation, reaching 267 mm (10.5 in) over 25 days, compared to March's 98 mm (3.8 in) over just 15 days. Additionally, December experiences higher humidity at 91%, while March's humidity drops to a more moderate 77%. For more detailed information on March weather patterns, you can visit Calamba weather in March.
In December, the weather is characterized by a warm average temperature of 26°C (79°F) and high humidity at 91%, making it feel quite muggy. The month experiences significant rainfall, with a total of 267 mm (10.5 in) spread over 25 days, contributing to the lush landscape. In contrast, April boasts slightly warmer average temperatures at 27°C (81°F) and can reach highs of 35°C (95°F). However, it experiences much less precipitation at 71 mm (2.8 in) over 15 days, and the humidity is lower at 78%, resulting in a drier and more comfortable atmosphere. For more detailed information, you can check Calamba weather in April.
In Calamba, December weather tends to be slightly cooler with temperatures ranging from a minimum of 22°C (72°F) to a maximum of 31°C (88°F), while May brings warmer averages with temperatures starting at 24°C (75°F) and peaking at 34°C (94°F). December experiences significantly more rainfall, with a total precipitation of 267 mm (10.5 in) spread across 25 days, compared to May's 180 mm (7.1 in) over 28 days. Additionally, the humidity levels in December are higher at 91%, while May's humidity is slightly lower at 84%, resulting in a noticeably different feel in the air during these months. For more details on May weather, you can visit Calamba weather in May.
When comparing the weather in December and June, we observe some notable differences and similarities. December typically experiences slightly cooler minimum and average temperatures, ranging from 22°C (72°F) to 26°C (79°F), while June tends to be warmer with temperatures ranging from 23°C (74°F) to 27°C (81°F). The maximum temperatures in June also reach higher, peaking at 33°C (91°F) compared to December’s maximum of 31°C (88°F).
Precipitation levels are quite significant in both months, with December seeing 267 mm (10.5 in) over 25 days and June experiencing 237 mm (9.3 in) over 27 days, indicating a wet climate in both periods. Humidity levels are remarkably high in both months, with December at 91% and June slightly lower at 87%. Overall, both months share a rainy character, but June tends to be warmer. For more specific details on Calamba’s June weather, you can refer to Calamba weather in June.
December and July exhibit distinct weather patterns in terms of temperature and precipitation. In December, the temperatures range from a minimum of 22°C (72°F) to a maximum of 31°C (88°F), with an average of 26°C (79°F). The month is characterized by high humidity at 91%, along with significant rainfall totaling 267 mm (10.5 in) spread over 25 days. In contrast, July sees slightly warmer temperatures with a minimum of 23°C (74°F) and a maximum of 33°C (91°F), averaging 27°C (80°F). The rainfall in July is even more pronounced, reaching 297 mm (11.7 in) over 29 days, though the humidity is slightly lower at 88%. For more specific details about the weather in Calamba during July, you can check out this link: Calamba weather in July.
In December, the weather is characterized by slightly lower temperatures, with averages ranging from a minimum of 22°C (72°F) to a maximum of 31°C (88°F). The month sees substantial precipitation, with 267 mm (10.5 in) falling over 25 days, paired with high humidity at 91%. Conversely, August presents a similarly warm climate, with temperatures starting at a minimum of 23°C (73°F) and peaking at 32°C (90°F). Although August has a similar precipitation level at 264 mm (10.4 in) over 28 days, humidity remains slightly lower at 89%. For more detailed insights, check out Calamba weather in August.
In comparing the weather between December and September, we see that both months share a similar minimum temperature of 22°C (72°F) and an average temperature around 26°C (79°F to 80°F). However, September tends to be slightly warmer, peaking at a maximum of 32°C (90°F) compared to December's 31°C (88°F). Precipitation levels are quite close, with December receiving 267 mm (10.5 in) over 25 days, while September has a bit more with 288 mm (11.3 in) across 28 days. Humidity levels are also comparable, with December at 91% and September at 90%. For more detailed information, you can visit Calamba weather in September.
In comparing the weather of December to that of October, we can observe a few notable differences. Both months experience similar temperature ranges, with December showing a minimum of 22°C (72°F), an average of 26°C (79°F), and a maximum of 31°C (88°F), while October has slightly higher values with a maximum of 32°C (89°F). Precipitation is quite high in both months, with December recording 267 mm (10.5 in) over 25 days and October slightly higher at 271 mm (10.7 in) over 29 days. Humidity levels are also high in both months, at 91% in December compared to 87% in October. Overall, while the temperatures are fairly consistent, October tends to be a bit wetter. For more details on the weather characteristics specific to October, you can visit Calamba weather in October.
In comparing the weather of December and November, we see some notable similarities and differences. Both months feature a similar average temperature, hovering around 26°C (79°F), with December showing slightly lower minimum temperatures of 22°C (72°F) compared to November's 23°C (74°F). Interestingly, maximum temperatures remain consistent, reaching up to 31°C (88°F in December and 89°F in November). However, December experiences higher precipitation levels, with 267 mm (10.5 in) over 25 days, contrasting with November’s 218 mm (8.6 in) across 27 days. Humidity is also slightly higher in December at 91%, compared to 90% in November. For more detailed insights, check out Calamba weather in November.
As December arrives in Calamba, the transition to the cooler and wetter season becomes evident. Unlike the hotter months, the air is enriched with high humidity levels, creating a unique atmosphere that can feel quite stifling. Frequent rainfall, with nearly half the month experiencing precipitation, contrasts sharply with the drier spells typical of earlier months. While daytime temperatures remain fairly warm, the nights bring a refreshing coolness, making it a perfect time for indoor activities or cozy gatherings. This blend of warm days and rainy evenings cultivates an inviting ambiance that's distinctly December. For more insights into how the weather plays out, check out Calamba Climate.