Last updated: August 27, 2025
Experience the April weather in Calamba, Philippines, where temperatures comfortably range from a minimum of 24°C (75°F) to a maximum of 29°C (85°F), with an average of 27°C (80°F). This month is characterized by high humidity levels at 82%, contributing to a tropical ambiance. However, be prepared for frequent rain, as 20 days of precipitation accumulate to about 92 mm (3.6 in), creating a lush and vibrant landscape. Whether you’re exploring the rich culture or enjoying the natural beauty, Calamba's April conditions offer a unique blend of warmth and refreshing showers.
In April, Calamba, Philippines begins to warm up, showcasing a delightful transition into the hotter months. With minimum temperatures around 24°C (75°F) and average highs peaking at 29°C (85°F), the city's climate becomes increasingly inviting. The average temperature rises to 27°C (80°F), offering a perfect mix of warmth without overwhelming humidity. This month serves as a precursor to May's even higher temperatures, yet April maintains a comfortable balance, making it an excellent time for outdoor activities. As the weather trends gradually shift, locals and visitors alike can enjoy the vibrant atmosphere that defines Calamba in spring.
In April, Calamba experiences a notable decrease in precipitation, receiving just 92 mm (3.6 in) over the month, compared to the heavier rains of preceding months. This decline is reflected in the 20 days of rainfall, marking a brief respite from the earlier downpours of January (258 mm) and February (202 mm). As the region transitions into the drier spell of late spring, it becomes apparent that April serves as a pivotal juncture, bridging the heavier rains of the first quarter and the subsequent start of the wetter season in May. This pattern highlights the variability of Calamba’s climate, where April’s rainfall is a fraction of what is typically experienced in the months that bookend it.
In April, Calamba, Philippines, experiences a slight dip in humidity, averaging around 82%. This marks a continuation of the gradual decline seen from the humid heights of January at 88%, through March's 84%. As the region transitions into the hotter summer months, humidity levels begin to rise again in May, reaching 83%, but notably, April's humidity is the lowest of the first half of the year. This trend reflects the typical ebb and flow of humidity in Calamba, where post-summer months gradually increase humidity levels, culminating in higher readings as the year progresses toward the more humid months of late summer and early fall.
April in Calamba, Philippines, sees the UV Index maintain a striking level of 16, sustaining the extreme exposure category established in March. This means that residents and visitors should be particularly cautious, as the sun's rays can cause skin damage in just 10 minutes of unprotected exposure. Interestingly, this trend of elevated UV levels continues from the earlier months of the year, with similar indices in both January and February, followed by an increase in March. As the hottest months approach, with May slightly dropping to 14, the consistent high UV Index throughout these months is a clear reminder to prioritize sun safety. For more detailed information, check out the Calamba UV Index.
UV Risk Categories
April in Calamba, Philippines, continues the trend of abundant sunshine that characterizes the region, with 297 hours of bright daylight illuminating the month. This slight dip from March's 299 hours still places April among the sunniest months of the year, showcasing a robust early summer season. As the year progresses, sunshine hours gradually decline, but they remain favorable, with May closely trailing at 296 hours. The steady allocation of sunshine not only paints the skies but also enriches the local landscape, inviting residents and visitors alike to bask in the warmth of the Philippine sun. The overall trend indicates a consistent pattern of sunny days, making Calamba a perfect spot for outdoor activities as spring transitions into summer.
In Calamba, Philippines, the likelihood of enjoying sunny weather in April is relatively moderate, with a 18% chance of sunshine. This marks a slight dip from the rising trend experienced in the preceding months of January, February, and March, where sunny days incrementally increased to 26% by March. Following April, May and June see another decline in sunny days, dropping to 17% and 15% respectively. This pattern suggests a transitional phase in the weather, where the sunny optimism of early spring begins to wan as the rainy season approaches. Overall, while April may not offer the highest probability for sun, it remains a pleasant time to soak in some warmth before the more overcast months take hold.
In Calamba, Philippines, the month of April sees a consistent daylight duration of 12 hours, mirroring the trend established in March and extending into May as well. This period marks a transition from the shorter days of January and February, which offered just 11 hours of sunlight, to a phase where daylight stabilizes at a generous 12 hours from March through August. This steady span of daylight supports the vibrant outdoor lifestyle that Calamba is known for, allowing residents and visitors alike to fully enjoy the region's natural beauty and numerous attractions. As the year progresses towards the end of the calendar, daylight begins to wane again in October, dipping back to 11 hours. This rhythmic cycle not only defines the local environment but also enriches the cultural rhythm of life in Calamba.
In Calamba, Philippines, the April wind offers a gentle respite as summer approaches, showcasing its average speed of 2.9 m/s (6 mph). This marks a noticeable dip from the gustier months of January and February, where winds livened up the atmosphere at speeds of 3.7 m/s (8 mph) and 3.3 m/s (7 mph), respectively. As the year progresses, the winds tend to soften further, with May and June recording even lower speeds, peaking at a serene 1.7 m/s (4 mph) in the latter month. Interestingly, April’s breezy charm aligns with a general trend of declining wind speeds as the region transitions towards the serene but calmer months of the rainy season. This tranquil wind dynamic invites outdoor relaxation, making April a delightful time to enjoy the beauty of Calamba’s landscapes.
Weather in Calamba varies notably across the year, with each month offering distinct climate conditions. This page compares April’s weather to other months in Calamba, focusing on differences in temperature, rainfall, humidity, and UV levels.
When comparing the weather in April and January, we can observe some notable differences. April enjoys slightly higher average temperatures, with a minimum of 24°C (75°F) and an average of 27°C (80°F), whereas January has a minimum of 23°C (74°F) and an average of 26°C (79°F). However, January experiences significantly more rainfall, with 258 mm (10.1 in) over 24 days compared to April's 92 mm (3.6 in) over 20 days. Additionally, January's humidity is higher at 88%, while April records a slightly lower humidity level of 82%. For more detailed insights, you can check Calamba weather in January.
When comparing the weather between April and February, we observe some notable differences. April features slightly higher average temperatures, with a minimum of 24°C (75°F) and a maximum of 29°C (85°F), compared to February's minimum of 23°C (74°F) and maximum of 28°C (83°F). Additionally, April experiences less rainfall, with 92 mm (3.6 in) over 20 days, while February sees a heftier precipitation of 202 mm (7.9 in) over 24 days. Humidity also remains relatively high in both months, but April is slightly lower at 82% compared to February's 86%. For more details, you can check Calamba weather in February.
In comparing the weather of April and March, both months exhibit warm temperatures, with April showing a slightly higher average temperature of 27°C (80°F) compared to March's 26°C (79°F). Both months have the same minimum temperature of 24°C (75°F) and peak at 29°C (85°F) in April and 29°C (84°F) in March. However, March experiences significantly more rainfall, with 149 mm (5.9 in) of precipitation over 23 days, whereas April records only 92 mm (3.6 in) over 20 days. Additionally, humidity levels are slightly lower in April at 82%, compared to 84% in March, making April feel a bit more comfortable despite the warmer average temperatures. For a more detailed overview of March weather conditions, you can refer to Calamba weather in March.
April and May both feature warm temperatures, but May tends to be slightly warmer and wetter. In April, the minimum temperature is 24°C (75°F) with an average of 27°C (80°F) and a maximum of 29°C (85°F). In contrast, May presents a minimum of 25°C (77°F) and a higher maximum of 30°C (87°F), indicating a gradual increase in warmth. While April sees 92 mm (3.6 in) of precipitation over approximately 20 days, May experiences a significant increase, with 221 mm (8.7 in) of rain spread across 25 days. Both months have high humidity levels, but May's slightly higher humidity at 83% adds to the overall mugginess. For more details on the specifics of May weather, visit Calamba weather in May.
In April, the weather features a mild temperature range with a minimum of 24°C (75°F) and a maximum of 29°C (85°F), accompanied by relatively high humidity at 82%. The month experiences significant rainfall, totaling 92 mm (3.6 in) over 20 days, indicating a fairly wet environment. In contrast, June brings slightly warmer conditions with a minimum temperature of 25°C (77°F) and a maximum reaching up to 31°C (88°F). Rainfall increases dramatically to 210 mm (8.3 in) over 27 days, and humidity rises modestly to 85%. For a detailed overview of June weather specifics, you can visit Calamba weather in June.
In comparing the weather between April and July, we see that both months have similar average temperatures, with April ranging from a minimum of 24°C to a maximum of 29°C, and July showing slightly warmer temperatures with a minimum of 25°C and a maximum of 31°C. However, July experiences significantly more precipitation, accumulating 210 mm over 24 days, compared to April's 92 mm over 20 days. This increase in rainfall contributes to a higher humidity level in July, at 86%, compared to April's 82%. For more detailed information on July weather, you can visit Calamba weather in July.
April and August exhibit differing weather patterns, with both months characterized by warm temperatures and high humidity. In April, temperatures range from a minimum of 24°C (75°F) to a maximum of 29°C (85°F), with an average of 27°C (80°F). The month sees a total precipitation of 92 mm (3.6 in) over 20 days, resulting in a humidity level of 82%. Conversely, August experiences slightly higher temperatures, with a minimum of 25°C (77°F), an average of 27°C (81°F), and a maximum reaching 31°C (88°F). This month also has increased precipitation, totaling 167 mm (6.6 in) over 22 days, and the humidity rises to 87%. For more specific details on the weather in August, you can visit Calamba weather in August.
In comparing April and September, both months share similar minimum and average temperatures, remaining around 24°C (75°F) to 27°C (80°F). However, September tends to be warmer, with a maximum temperature reaching 31°C (87°F). When it comes to precipitation, September experiences significantly more rainfall, with 226 mm (8.9 in) over 24 days, compared to April's 92 mm (3.6 in) across 20 days. Additionally, humidity levels are higher in September at 89%, compared to April's 82%. For more detailed information on September weather, check out Calamba weather in September.
April and October in Calamba present similar temperature ranges, with both months featuring minimum temperatures around 24°C (75°F) and average temperatures hovering around 27°C (80°F). However, October tends to be slightly warmer, with maximum temperatures reaching up to 30°C (87°F) compared to April's 29°C (85°F). In addition, October is considerably wetter, receiving 242 mm (9.5 in) of rain over 28 days, while April sees much less rainfall at 92 mm (3.6 in) across 20 days. The humidity also increases in October, averaging 85% compared to April's 82%. For more details about the October weather, visit Calamba weather in October.
April and November in Calamba exhibit comparable temperature patterns, with both months showing a minimum temperature of around 24°C (75°F) and an average temperature of about 27°C (80°F). However, November tends to be slightly warmer with a maximum temperature peaking at 30°C (87°F), compared to April's 29°C (85°F). When it comes to precipitation, November is significantly wetter, receiving 237 mm (9.3 in) over 28 rainy days, compared to April's 92 mm (3.6 in) over 20 days. Additionally, November experiences higher humidity levels, reaching 87%, compared to April's 82%. For a detailed outlook on November weather, you can visit Calamba weather in November.
When comparing April and December weather, we can see some notable differences. Both months have similar minimum temperatures, around 24°C (75°F), but April tends to be slightly warmer on average, with temperatures reaching up to 29°C (85°F) compared to December's maximum of 30°C (85°F). However, December experiences significantly higher rainfall, with 279 mm (11.0 in) over 29 days, compared to April's 92 mm (3.6 in) over 20 days. Additionally, December has a higher humidity level at 91%, compared to 82% in April, contributing to a more humid atmosphere. For a more detailed look at December weather, you can visit Calamba weather in December.
As April arrives in Calamba, the weather begins to shift, offering a warm embrace with a maximum temperature hovering around 29°C (85°F) and an average of 27°C (80°F). Unlike the cooler months that preceded it, April brings about heightened humidity, reaching a notable 82%, which can make the warmth feel even more pronounced. This month is also marked by its frequent rainfall, with a significant number of precipitation days contributing to a total of 92 mm (3.6 in). While other months may offer respite from the rains, April is characterized by its blend of heat and moisture, marking a transition into the wetter season. For a deeper dive into what to expect throughout the year, visit Calamba Climate.