Last updated: August 27, 2025
In August, Calamba, Philippines, experiences a tropical climate characterized by high humidity averaging 89%. Daytime temperatures peak at a sweltering 33°C (91°F), with an average of 27°C (81°F) and nighttime lows around 24°C (76°F). This month also marks a significant rainy season, with 319 mm (12.5 in) of precipitation spread over 29 days. As such, visitors should be prepared for frequent showers, making it essential to embrace both the heat and the beauty of the lush, vibrant landscapes that flourish in these conditions.
In August, Calamba, Philippines experiences a consistent tropical warmth, characteristic of the region's climate. With minimum temperatures hovering at 24°C (76°F) and averages around 27°C (81°F), the days remain comfortably warm, complemented by maximum highs reaching 33°C (91°F). This month's weather closely mirrors the trends set in July and September, showcasing a steady pattern of warmth and occasional humidity. As the summer days transition toward the end of the season, residents and visitors alike can expect balmy evenings and a vibrant atmosphere, making August a lively time to explore all that Calamba has to offer.
In August, Calamba, Philippines experiences a significant surge in precipitation, with 319 mm (12.5 in) of rainfall over 29 days, making it one of the wettest months of the year alongside July. This is part of a broader pattern where the rainy season peaks during the mid-year months, with June and July leading the way in terms of volume. Notably, the rainfall in August is only marginally lower than in July, highlighting a sustained period of moisture that nourishes the lush landscapes of the region. As the month transitions into September, precipitation slightly tapers off to 318 mm (12.5 in), yet remains robust, indicating that Calamba's rainy season is reaching its zenith. This trend of high rainfall is crucial for agriculture and the ecosystem, reinforcing the region's reliance on these monthly downpours for sustaining local livelihoods.
In Calamba, Philippines, humidity levels experience a notable rise as the year progresses, reaching a peak in August with an impressive 89%. This trend highlights the region's transition from the drier months of January through March, where humidity levels hover around 68% to 76%, to the onset of the wet season. As the summer months of April and May arrive, humidity starts to climb, but it’s in the months of June and July that the air becomes particularly heavy, with both months averaging 87% to 88%. August stands out as the culmination of this pattern, reflecting the intense tropical climate before the humidity stabilizes in September and November. This cyclical nature of humidity not only shapes the local environment but also influences daily life for the residents, reminding them to embrace the balmy heat of the Philippine August.
In August, Calamba, Philippines, maintains a UV Index of 14, keeping it in the extreme exposure category, with a burn time of just 10 minutes. This trend is consistent with the previous months of July and June, both recording the same UV intensity. Notably, the UV Index remains high throughout the year, with scores peaking at 15 in March and April, which indicates a persistent need for sun protection. Even as the year approaches its latter months, the UV Index remains notably elevated, falling slightly to 13 in October and 11 in November. The relentless solar exposure serves as a reminder for residents and visitors alike to stay vigilant and protect their skin from harmful rays. For more information, visit Calamba UV Index.
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In Calamba, Philippines, August experiences an ample dose of sunshine with approximately 264 hours of glorious daylight. While this marks a decline from the sun-drenched days of May and June, which boast peak hours of 323 and 300 respectively, it still offers plenty of opportunities for outdoor adventures. This slight decrease in sunshine hours is consistent with the overall trend observed during the latter half of the year; as we transition from the vibrant days of summer into the more temperate months. However, August remains comfortably bright, sitting above the sunny months of September and October, both of which continue to contribute to the beautiful tapestry of light that characterizes Calamba's weather.
In Calamba, Philippines, the likelihood of enjoying sunny weather in August is notably low, with only an 11% chance of sunshine. This decline in sunny days follows a significant drop from the more promising weather patterns seen earlier in the year. From the peak of 46% in April, the chances of sunshine steadily diminish through the mid-year months, culminating in a stark 9% in July. As August arrives, the trend persists, reflecting the region's characteristic rainy season. Following August, the percentage of sunny days gradually improves again, peaking once more in the later months. This seasonal fluctuation highlights the importance of planning indoor activities during this wetter phase, while keeping an eye on the forecast for any surprise sunny spells.
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 August, Calamba experiences a gentle breeze, with an average wind speed of 2.2 m/s (5 mph), making it one of the calmer months of the year. This slight dip in wind speed follows a series of more brisk conditions seen from January to July, where the average winds hover around 2.8 to 3.7 m/s. As the region transitions into the latter half of the year, the wind noticeably softens, aligning with the onset of the rainy season as humidity increases. Interestingly, both June and September show the least wind activity at 1.9 m/s (4 mph), while the year culminates with more robust winds returning in December. This consistent pattern of fluctuating winds not only shapes the local climate but also influences outdoor activities, making August a tranquil time for reflection and relaxation in the lush surroundings of Calamba.
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.
August and January exhibit contrasting weather patterns. In August, temperatures range from a minimum of 24°C (76°F) to a maximum of 33°C (91°F), with an average of 27°C (81°F). This month sees significant rainfall, accumulating to 319 mm (12.5 in) over 29 rainy days, coupled with high humidity levels at 89%. In contrast, January features slightly cooler temperatures, with a minimum of 22°C (72°F) and a maximum of 30°C (87°F), averaging 25°C (78°F). Precipitation in January is considerably lower, at 88 mm (3.4 in) over just 9 days, and the humidity is more comfortable at 76%. For more details, you can check Calamba weather in January.
August and February present quite different weather patterns. In August, temperatures range from a minimum of 24°C (76°F) to a maximum of 33°C (91°F), with an average of 27°C (81°F). This month is characterized by high humidity levels at 89% and significant rainfall, totaling 319 mm (12.5 inches) over 29 rainy days. In contrast, February enjoys milder conditions with temperatures ranging from a minimum of 21°C (71°F) to a maximum of 31°C (87°F) and an average of 25°C (78°F). Rainfall dramatically decreases to only 35 mm (1.4 inches) over just 5 days, and humidity is notably lower at 71%. For more detailed weather insights, you can check Calamba weather in February.
When comparing the weather in August and March, it's clear that August tends to be much wetter and more humid. In August, temperatures range from a minimum of 24°C (76°F) to a maximum of 33°C (91°F), with an average of 27°C (81°F). However, this month sees substantial rainfall, with 319 mm (12.5 in) of precipitation over 29 days and humidity levels reaching 89%. In contrast, March is drier and slightly cooler, with temperatures ranging from a minimum of 22°C (72°F) to a maximum of 32°C (90°F) and an average of 26°C (80°F). March experiences only 24 mm (0.9 in) of precipitation over just 5 days, along with a more comfortable humidity level of 68%. For more detailed information on March weather, you can visit Calamba weather in March.
When comparing the weather in August and April, both months exhibit similar temperature ranges, with April having a slightly lower minimum temperature of 23°C compared to August's 24°C. However, August is characterized by significantly higher rainfall, with 319 mm of precipitation over 29 days, in stark contrast to April's much drier conditions with only 23 mm of rain spread over 6 days. Additionally, August is also more humid, averaging 89% humidity, while April maintains a lower level of 69%. For more detailed information on April's weather, you can visit Calamba weather in April.
In comparing the weather of August and May, we see notable differences in temperature, precipitation, and humidity levels. August generally experiences slightly lower minimum and average temperatures, with a range from 24°C to 33°C, while May is warmer, with minimum temperatures starting at 25°C and reaching a maximum of 34°C. Precipitation in August is significantly higher, with 319 mm over 29 days, compared to only 142 mm over 18 days in May. Additionally, August has a notably higher humidity level at 89%, relative to 76% in May, contributing to a more oppressive atmosphere during the former month. For more details, you can check Calamba weather in May.
In comparing the weather of August and June, both months exhibit warm temperatures, though August tends to be slightly cooler on average, with temperatures ranging from a minimum of 24°C (76°F) to a maximum of 33°C (91°F), compared to June's range of 24°C (76°F) to 34°C (93°F). August experiences higher precipitation, with 319 mm (12.5 in) over 29 days, compared to June's 253 mm (10.0 in) over 27 days. Humidity levels are also similar, with August at 89% and June at 87%. For more details on June weather, you can refer to Calamba weather in June.
In comparing the weather of July and August, both months exhibit similar temperature ranges, with minimums around 24°C (76°F), average temperatures of 27°C (81°F), and maximums reaching up to 33°C (91°F). However, August experiences slightly less precipitation, totaling 319 mm (12.5 in) over 29 days, compared to July’s 397 mm (15.6 in) over 30 days. Humidity levels are also quite close, with August at 89% and July at 88%. Thus, while both months are warm and humid, August tends to be a bit drier overall. For more details about July's weather, you can visit Calamba weather in July.
In comparing the weather patterns of August and September, both months exhibit remarkably similar characteristics. In August, the temperatures range from a minimum of 24°C (76°F) to a maximum of 33°C (91°F), while September sees a slight dip in the maximum temperature, peaking at 32°C (90°F) with the same minimum and average temperatures. Precipitation levels are also quite alike, with August receiving 319 mm (12.5 in) across 29 days and September experiencing a nearly identical total of 318 mm (12.5 in) over 26 days. Humidity remains constant at 89% for both months, contributing to a consistently muggy atmosphere. For a closer look at September weather specifically, you can visit Calamba weather in September.
In comparing the weather between August and October, one noticeable difference is the amount of precipitation. August experiences a higher average rainfall of 319 mm over 29 days, while October sees significantly less, with 226 mm over 22 days. Temperature-wise, both months are quite similar, with August having a maximum of 33°C (91°F) compared to October's 32°C (90°F), and the minimum temperature remains steady around 24°C (75-76°F). Humidity levels are slightly lower in October at 86%, compared to August's 89%. For more details, you can visit Calamba weather in October.
In August, the weather is characterized by warmer temperatures, with a minimum of 24°C (76°F) and a maximum reaching 33°C (91°F), while the average temperature is around 27°C (81°F). This month experiences significant rainfall, with a total precipitation of 319 mm (12.5 in) over 29 days, contributing to the high humidity level of 89%.
In contrast, November sees slightly cooler temperatures, with a minimum of 23°C (74°F) and a maximum of 32°C (89°F), yet the average remains similar at 27°C (80°F). The rainfall in November is reduced to 158 mm (6.2 in) over 16 days, while still maintaining the same 89% humidity. For more detailed weather patterns, you can check Calamba weather in November.
In August, the weather is characterized by warmer temperatures, with minimums around 24°C (76°F) and maximums reaching up to 33°C (91°F), while averaging at 27°C (81°F). This month experiences heavy rainfall, accumulating 319 mm (12.5 in) over 29 days, and the humidity hovers at a high 89%. In contrast, December offers slightly cooler conditions, with temperatures ranging from a minimum of 23°C (73°F) to a maximum of 31°C (88°F), averaging 26°C (79°F). Rainfall is considerably lower at 184 mm (7.2 in) over just 15 days, and humidity decreases slightly to 86%. For more details on December weather, visit Calamba weather in December.
In August, Calamba experiences a significant shift in weather patterns, characterized by higher humidity and frequent rains that set it apart from other months. With an average temperature lingering around a warm 27°C (81°F), the days may feel stifling due to the near-constant high humidity of 89%. The city sees substantial precipitation, totaling around 319 mm over nearly 29 days, making it one of the wettest times of the year. This month’s damp climate creates a lush, vibrant environment but can also deter outdoor activities. For further insights into the year-round weather variations, visit Calamba Climate.