Last updated: August 27, 2025
August in Calamba, Philippines brings a warm and humid climate, with average temperatures hovering around 27°C (80°F). Daily highs reach a maximum of 32°C (90°F), while nighttime lows dip to a comfortable 23°C (73°F). However, the month is characterized by considerable precipitation, totaling 264 mm (10.4 in) over 28 days, indicating nearly daily rain showers. The humidity remains high at 89%, creating a tropical atmosphere that defines this vibrant region during August. Whether you're exploring the lush landscapes or enjoying local festivities, be prepared for the refreshing rain that often accompanies the warmth.
In Calamba, Philippines, August temperatures continue the trend of the wet season, presenting a comfortable climate for residents and visitors alike. With minimums around 23°C (73°F) and a steady average of 27°C (80°F), the month remains warm yet bearable. Maximum temperatures reach up to 32°C (90°F), slightly lower than the peak heat experienced in earlier summer months like April and May. This balance of warmth and humidity allows for pleasant afternoons, ideal for outdoor activities, while the evenings cool down just enough to provide a refreshing respite. As summer transitions into the wetter months, the weather pattern sets the stage for lush landscapes and vibrant experiences throughout the region.
In August, Calamba experiences significant rainfall, with an average precipitation of 264 mm (10.4 in) over 28 days. This places August among the wettest months of the year, following the peak of July, which registers an impressive 297 mm (11.7 in). The trend of increasing precipitation from the drier months of April and March culminates in a formidable wet season from June through September, as the skies deliver substantial moisture day after day. With this consistent rainfall, August not only adds to the lush landscapes of the region but also underscores the Philippines' tropical climate, where rain is both a blessing and a defining feature of its seasonal rhythm.
In Calamba, Philippines, August marks a peak in the annual humidity cycle, reaching a notable 89%. This month continues the upward trend established in the preceding months, with July already at 88% and June even higher at 87%. As the rainy season unfolds, the air feels increasingly heavy and damp, setting the stage for the subsequent jump to 90% in September. Interestingly, this pattern of escalating humidity is consistent throughout the year, with late summer and early autumn showing the highest levels, peaking in November and December at 90% and 91%, respectively. The gradual increase from January’s relatively drier 85% to the late-year highs underscores Calamba's tropical climate and the importance of staying hydrated and cool during this humid period.
In August, Calamba, Philippines, experiences a consistent UV Index of 14, maintaining an extreme exposure category that calls for caution. This level of UV radiation aligns with the preceding months of June and July, reflecting a trend of relentless intensity during the region's peak summer season. With a burn time of just 10 minutes, it's vital to prioritize sun safety, utilizing sunscreen, protective clothing, and seeking shade whenever possible. As summer progresses, residents and visitors alike should remain vigilant and informed about their UV exposure. For more detailed information, explore Calamba UV Index.
UV Risk Categories
In Calamba, Philippines, the month of August basks in an impressive 288 hours of sunshine, maintaining a delightful brightness that characterizes the region's tropical climate. Charting the yearly trend, the sunshine hours see a gradual ascent from January's 229 hours to the vibrant peak in May at 319 hours. Following this peak, the sun still shines generously through the summer months, but the hours slightly dip in August and beyond, giving way to a less intense brilliance as the rainy season approaches. This moderate yet abundant sunshine in August reflects the tail end of a sun-soaked summer while setting the stage for the lush rejuvenation that follows in the fall months.
In August, the chances of enjoying sunny weather in Calamba, Philippines, dip to 11%, making it one of the more overcast months of the year. This trend follows a steady decline in sunny days from the peak of 34% in March, showcasing a significant drop as the region transitions deep into the rainy season. While some earlier months like February and March offer brighter prospects, August's positioning near the year's lowest figures indicates that rain is more likely than sunshine. Travelers and locals alike may want to prepare for cloudier skies and occasional showers as they plan their August activities.
In Calamba, Philippines, August experiences a consistent 12 hours of daylight, maintaining a trend established since March. As the months transition from the shorter days of January and February, the daylight duration gradually increases, peaking at 12 hours from March through August. This steady daylight pattern not only enhances the region’s vibrant outdoor life but also allows for ample time to enjoy its cultural and natural attractions. As the year progresses toward September and October, daylight begins to decrease once more, returning to 11 hours as the year winds down, creating a rhythmic cycle that reflects the region's climatic patterns.
In Calamba, Philippines, the August wind offers a gentle shift as the rainy season approaches, with an average wind speed of just 1.7 m/s (4 mph). This marks a noticeable decrease from the more invigorating breezes of July, which peaks at 3.0 m/s (7 mph), reflecting a transition into the quieter, more humid days of late summer. Following August, wind speeds make a slight uptick in September, suggesting a gradual return to more consistent airflow. Overall, the trends highlight a dynamic yet subdued wind pattern throughout the late summer months, setting the stage for the region’s lush, tropical landscapes as the year draws to a close.
Weather in Calamba varies notably across the year, with each month offering distinct climate conditions. This page compares August’s weather to other months in Calamba, focusing on differences in temperature, rainfall, humidity, and UV levels.
In comparing the weather between August and January, one can observe notable differences in temperature and precipitation levels. August tends to be hotter, with temperatures ranging from a minimum of 23°C (73°F) to a maximum of 32°C (90°F) and an average of 27°C (80°F). However, it also experiences more rainfall, with 264 mm (10.4 in) of precipitation spread over 28 days and a high humidity level of 89%. Conversely, January is slightly cooler, with temperatures ranging from 21°C (71°F) to a maximum of 31°C (88°F), averaging 25°C (78°F). The precipitation in January is lower at 184 mm (7.2 in) across 20 days, accompanied by a humidity level of 85%. For further details, you can check Calamba weather in January.
In August, the weather is typically warmer and more humid compared to February, with minimum temperatures around 23°C (73°F) and maximums reaching up to 32°C (90°F). The average temperature for August is about 27°C (80°F), but it also brings significant rainfall, with 264 mm (10.4 in) of precipitation over 28 days, contributing to a high humidity level of 89%.
In contrast, February offers milder conditions, featuring minimum temperatures of 20°C (68°F) and maximums around 31°C (88°F), averaging at 25°C (78°F). The month sees less rainfall, with 135 mm (5.3 in) recorded over 17 days, and a slightly lower humidity level of 80%. For a more detailed overview of February weather, you can check Calamba weather in February.
When comparing the weather in August and March, it's clear that both months share similar maximum temperatures, peaking at around 32°C (90°F). However, August is typically much more humid and rainy, with an average humidity of 89% and substantial precipitation of 264 mm over 28 days, compared to March's lower humidity of 77% and less rainfall totaling 98 mm over just 15 days. This makes March a more comfortable month for outdoor activities, as the weather is generally drier and less humid. For more details on the weather in March, you can check Calamba weather in March.
When comparing the weather in August and April, we see notable differences in both temperature and precipitation patterns. In April, temperatures can rise significantly, with a maximum of 35°C (95°F), while August tends to be cooler, peaking at 32°C (90°F). Humidity levels are also high in both months, but August is slightly more humid at 89% compared to April's 78%. Additionally, April experiences far less rainfall, totaling 71 mm (2.8 in) over 15 days, while August is much wetter, receiving 264 mm (10.4 in) across 28 days, making it a much rainier month. For more detailed insights on Calamba's weather in April, check out Calamba weather in April.
When comparing the weather in August and May, several notable differences emerge. In August, the weather tends to be slightly cooler, with average temperatures ranging from a minimum of 23°C (73°F) to a maximum of 32°C (90°F). However, August also experiences higher humidity levels at 89%, and notable precipitation, reaching 264 mm (10.4 in) over 28 days.
Conversely, May boasts warmer temperatures, with an average ranging from a minimum of 24°C (75°F) to a maximum of 34°C (94°F), making it the hotter month on average. May also sees less precipitation, totaling 180 mm (7.1 in), while maintaining a similar number of wet days at 28. The humidity is slightly lower in May at 84%. For more details about the weather in May, you can check this link: Calamba weather in May.
In comparing the weather of June and August, both months exhibit similar temperature ranges, with June slightly edging out with a maximum of 33°C (91°F) compared to August’s peak of 32°C (90°F). However, August experiences higher precipitation, totaling 264 mm (10.4 in) over 28 days, in contrast to June’s 237 mm (9.3 in) over 27 days. Humidity levels remain high in both months, with August at 89% and June at 87%. For a detailed outlook on June's weather patterns, you can check Calamba weather in June.
In comparing the weather between July and August, both months showcase similar temperature ranges, with July having a slightly higher maximum temperature of 33°C (91°F) compared to August's maximum of 32°C (90°F). However, August experiences significantly higher precipitation, totaling 264 mm (10.4 in) over 28 days, whereas July sees 297 mm (11.7 in) over 29 days. The humidity levels remain comparable, with August at 89% and July at 88%. For more detailed information about July weather, you can visit Calamba weather in July.
August and September in the region exhibit relatively similar temperature ranges, with August slightly warmer on average at 27°C (80°F) compared to September's 26°C (79°F). Both months experience high humidity levels, around 89% in August and 90% in September, contributing to a muggy atmosphere. However, September sees a slight increase in precipitation, totaling 288 mm (11.3 inches) over the same number of rainy days as August, which recorded 264 mm (10.4 inches). This indicates a trend toward wetter conditions as summer transitions into autumn. For more details on September's weather, you can check out Calamba weather in September.
In August, the weather is characterized by a minimum temperature of 23°C (73°F) and an average of 27°C (80°F), with maximum temperatures reaching up to 32°C (90°F). The month sees significant rainfall, totaling 264 mm (10.4 in) over 28 days, and a high humidity level of 89%. In contrast, October experiences slightly warmer nights with a minimum temperature of 22°C (73°F) and a similar average temperature of 26°C (80°F). The maximum temperature also peaks at 32°C (89°F), with a slightly higher total precipitation of 271 mm (10.7 in) spread across 29 days, and humidity remains relatively high at 87%. These weather patterns highlight that, while both months share warm temperatures, October tends to be wetter and slightly less humid. For more details, you can check Calamba weather in October.
In August, the weather is characterized by higher precipitation levels, with an average of 264 mm over 28 days, contributing to a humid environment with an average humidity of 89%. The temperatures range from a minimum of 23°C (73°F) to a maximum of 32°C (90°F), making it one of the warmer months. In contrast, November experiences slightly lower temperatures, with a minimum of 23°C (74°F) and a maximum of 31°C (89°F), coupled with reduced precipitation at 218 mm over 27 days. Despite having similar humidity levels at 90%, November often feels a bit less oppressive than August. For more specific details on the weather conditions in November, you can refer to Calamba weather in November.
In comparing August and December weather, both months exhibit warm temperatures with only marginal differences; August sees a minimum of 23°C (73°F), while December's minimum is slightly cooler at 22°C (72°F). The average temperatures are close as well, with August averaging 27°C (80°F) and December averaging 26°C (79°F). Precipitation levels are quite similar, with both months receiving around 264 mm (10.4 in) in August and 267 mm (10.5 in) in December, albeit with August experiencing rain over 28 days compared to December's 25 days. Humidity is notably high in both months, with August at 89% and December slightly higher at 91%. For more details on December weather, visit Calamba weather in December.
As August rolls into Calamba, it brings a shift in weather that sets it apart from the rest of the year. With high humidity lingering at 89%, this month feels more tropical, making the average temperature, typically a balmy 27°C, feel intensivated. Frequent rainfall occurs, with about 28 days experiencing precipitation, resulting in a total accumulation of 264 mm. Such conditions create a lush, vibrant landscape, but also remind visitors and residents alike to embrace the wet season. Indeed, August is a unique blend of warmth and moisture, inviting a sense of renewal amid the rain. For a deeper dive into Calamba's distinct climate patterns throughout the year, explore Calamba Climate.