April Weather in Calamba, Philippines

Last updated: August 27, 2025

In April, Calamba, Philippines experiences a vibrant tropical climate characterized by a maximum temperature of 32°C (89°F) and an average of 27°C (81°F). Nights are pleasantly warm, with temperatures dropping to a minimum of 23°C (73°F). This month also sees significant precipitation, totaling 148 mm (5.8 in) over roughly 17 days, leading to a humid atmosphere with an average humidity of 88%. The interplay of warmth and moisture creates a lush environment, perfect for exploring the region's rich culture and natural beauty, all while preparing for the occasional rain showers typical of the season.

April Temperature in Calamba

In April, Calamba, Philippines experiences a warm transition into the summer months, with temperatures ranging from a minimum of 23°C (73°F) to a maximum of 32°C (89°F). The average temperature rises slightly to 27°C (81°F), reflecting a subtle yet noticeable increase compared to previous months. This pattern of gradually warming temperatures is consistent with the onset of hotter months, making April an inviting time for outdoor activities. The steady climb in warmth seen this month sets the stage for the even higher temperatures expected in May, offering a taste of the tropical climate that characterizes this vibrant region.

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

The chart illustrates April 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, April 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.

April Precipitation in Calamba

In April, Calamba, Philippines experiences a notable shift as the average precipitation reaches 148 mm (5.8 in) over 17 days. This marks a slight increase from March's 139 mm, hinting at the onset of the wetter months ahead. While rainfalls become a familiar sight, April's precipitation is significantly lower than the deluges that follow in May and June, where rainfall dramatically rises to 178 mm and 238 mm respectively. This pattern indicates that while April may bring lighter rains, it sets the stage for the heavier showers typical of the approaching months, making it a transitional period in Calamba's climatic rhythm.

April Precipitation Trends in Calamba

The chart displays monthly precipitation patterns in Calamba, with values for each month alongside April’s data, which is highlighted for easy comparison. It shows the amount of precipitation, providing insights into how April’s conditions compare to those of other months. In Calamba, April typically receives around {2} mm ({3} inches) of precipitation spread over approximately {4} days.
JanFebMarAprMayJunJulAugSepOctNovDec241209139148178238212152165222189264
Data source: Precipitation data for April generated using information from the Copernicus Climate Change Service.
Choose your preferred precipitation unit

April Humidity in Calamba

In April, Calamba, Philippines, experiences a slight dip in humidity, measuring at 88%, which is a decrease from the consistent 90% observed in the earlier months of the year. This subtle reduction marks the beginning of a gradual decline, as the humidity further drops to 83% in May. The trend throughout the year shows that while the early months maintain a high humidity level, the transition into the latter part of the year brings a more moderate experience, with values hovering around the low 80s during the peak of summer. Overall, April signifies a pivotal shift, blending the residual humidity of the wet season with the forthcoming drier months.

April Average Humidity in Calamba

This chart illustrates the average monthly humidity levels in Calamba, with April’s data highlighted for easy comparison. It shows the fluctuation in humidity throughout the year, helping you understand how conditions vary by season. In April, 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 April generated using information from the Copernicus Climate Change Service.

April UV Index in Calamba

In April, Calamba, Philippines experiences a UV Index of 16, maintaining its position within the extreme exposure category, which also characterized the preceding month of March. With a consistent burn time of just 10 minutes, it's crucial for residents and visitors alike to take necessary precautions against the sun's intensity. April continues the trend of elevated UV levels observed during the first four months of the year, where the index peaks in March before stabilizing in April. The month of May will see a slight decline to a UV Index of 14, yet vigilance remains essential throughout this period. For more detailed insights on UV levels throughout the year, visit Calamba UV Index.

Maximum UV Index Levels in Calamba for April

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

April Sunshine in Calamba

As April unfolds in Calamba, Philippines, the sunshine continues to shine brightly, bringing with it an impressive 304 hours of radiant light. This month showcases a slight dip from the sunnier March with 305 hours, yet it remains robust compared to the preceding months. The general trend indicates a steady increase in sunshine hours from January's 223 hours to May's peak of 318 hours, creating a vibrant atmosphere as summer approaches. Each month builds upon the last, enhancing the charm of Calamba, where sunlight spills over landscapes and invites both locals and visitors to bask in its warmth. The sun's enduring presence during these spring months reinforces the allure of this picturesque location.

Monthly Sunshine Duration in Calamba: April Highlighted

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

Chance of Sun in Calamba During April

As April rolls in Calamba, Philippines, the likelihood of sunny weather stands at 22%, aligning closely with February but notably lower than March’s more promising 28%. This trend suggests that while April remains one of the sunnier months relative to the seasons, the chances of clear skies begin to dwindle as the region transitions into the wetter months of May and June. Interestingly, the sun’s presence fluctuates throughout the year, peaking in March and tapering off towards the mid-year mark; thus, if you're planning outdoor activities in April, it's wise to embrace both the sun and the possibility of rain.

Percentage of Sunny Days in April in Calamba

The chart illustrates the percentage of sunny days in Calamba throughout the year, with April 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 April chance of sun data, generated using information from the Copernicus Climate Change Service.

Daylight Hours in Calamba in April

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.

Average Daylight Hours in Calamba for April

The chart illustrates the variation in daylight duration in Calamba throughout the year, with April 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.

April Winds in Calamba

In April in Calamba, Philippines, the wind dances gently through the warm air, with an average speed of 2.0 m/s (4 mph). This slight uptick from March's 1.6 m/s hints at the transition to the sunny, vibrant days that the month brings. As the dry season approaches, April's winds remain relatively consistent with the previous months, encouraging outdoor activities while providing a refreshing breeze. Interestingly, April's wind is slightly less gusty than January's and February's stronger currents, which peak at 1.5 m/s and 2.1 m/s respectively. Overall, April's moderate winds contribute to the character of the month, setting the stage for the warmer days ahead while maintaining a pleasant atmosphere for residents and visitors alike.

Average April Wind Speed in Calamba

The chart displays monthly wind speed patterns in Calamba, with values for each month shown alongside April's data, which is highlighted for easy comparison. It illustrates the average wind speed, offering insights into how April's wind conditions compare to the rest of the year.
JanFebMarAprMayJunJulAugSepOctNovDec1.52.11.62.0 m/s1.81.61.71.71.71.81.62.3
Data source: Calamba April wind data, generated using information from the Copernicus Climate Change Service.

How April 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 April’s weather to other months in Calamba, focusing on differences in temperature, rainfall, humidity, and UV levels.

In comparing the weather of April and January, we find both months experiencing warm temperatures, though April tends to be slightly warmer overall. In April, the average temperature reaches 27°C (81°F), with a maximum of 32°C (89°F), while January has an average of 26°C (79°F) and a maximum of 30°C (87°F). However, January brings more rainfall, with 241 mm (9.5 inches) over 23 days compared to April's 148 mm (5.8 inches) over 17 days. This results in a slightly higher humidity level in January at 90%, compared to April's 88%. For a more detailed look, you can check Calamba weather in January.

In comparing the weather between April and February, April generally experiences slightly warmer temperatures, with average highs reaching 32°C (89°F), compared to February's maximum of 30°C (87°F). While both months are humid, with February at 90% and April at 88%, February sees more rainfall, totaling 209 mm (8.2 in) over 20 days, versus April's 148 mm (5.8 in) over 17 days. Therefore, despite April's higher temperatures, February tends to be wetter and slightly more humid. For a more detailed look at February's climate in Calamba, check out Calamba weather in February.

In comparing the weather of March and April, we see a slight warming trend as temperatures rise from an average of 26°C (80°F) in March to 27°C (81°F) in April. March features minimum and maximum temperatures of 22°C (72°F) and 31°C (88°F), respectively, while April sees a similar range with a minimum of 23°C (73°F) and a maximum of 32°C (89°F). Precipitation remains relatively consistent, with March receiving 139 mm (5.5 in) over 19 days, compared to April's 148 mm (5.8 in) over 17 days. Humidity is slightly higher in March at 90%, compared to April's 88%. For more detailed information on March weather patterns, you can visit Calamba weather in March.

In April, the weather is characterized by a warm climate with temperatures ranging from a minimum of 23°C (73°F) to a maximum of 32°C (89°F), along with an average temperature of 27°C (81°F). This month experiences significant precipitation, accumulating 148 mm (5.8 in) over 17 days, accompanied by high humidity levels averaging 88%.

In contrast, May offers slightly higher temperatures, with a minimum of 24°C (75°F), an average of 28°C (82°F), and a maximum reaching 33°C (91°F). However, it also brings increased precipitation, totaling 178 mm (7.0 in) over 27 days, although the humidity remains slightly lower at 83%.

For more detailed information on weather trends, you can check Calamba weather in May.

In comparing the weather between April and June, we observe that both months experience similar average temperatures, with April having a minimum of 23°C and June slightly warmer at 25°C. Despite this similarity in temperatures, June tends to be wetter, receiving 238 mm of precipitation over 26 days compared to April's 148 mm over 17 days. Additionally, the humidity levels are relatively close, with April being slightly more humid at 88%, while June holds a humidity of 81%. This data highlights the transition into the rainier season as we move from April to June. For more specific details, you can refer to Calamba weather in June.

In comparing the weather between April and July, both months exhibit warm temperatures with averages around 27°C (81°F). However, April tends to be slightly drier, with a total precipitation of 148 mm (5.8 in) over 17 days, while July is wetter, receiving 212 mm (8.3 in) across 23 days. Despite the higher rainfall in July, humidity levels remain lower at 80% compared to April's 88%. For more details, you can check Calamba weather in July.

April and August present warm conditions, with average temperatures remaining relatively consistent. In April, temperatures range from a minimum of 23°C (73°F) to a maximum of 32°C (89°F), while August sees slightly warmer averages, with minimums of 24°C (76°F) and a similar maximum of 32°C (90°F). Both months experience notable levels of precipitation, with April receiving 148 mm (5.8 in) across 17 days, and August slightly higher at 152 mm (6.0 in) over 22 days. Humidity levels are higher in April at 88%, compared to the 81% recorded in August, indicating a somewhat drier feel as summer progresses. For more information on August weather specifics, you can check Calamba weather in August.

April and September exhibit similar average temperatures, both averaging around 27°C (81°F) with maximums reaching 32°C (89°F). However, April tends to have slightly lower humidity at 88% compared to September's 84%. When it comes to precipitation, September is slightly wetter, receiving 165 mm (6.5 in) over 22 days, while April sees 148 mm (5.8 in) across 17 days. For more detailed insights on September weather, you can visit Calamba weather in September.

In comparing the weather of April and October, both months share similar average temperatures, hovering around 27°C (81°F), with maximums reaching up to 32°C (89°F). However, October experiences slightly higher minimum temperatures at 24°C (75°F) compared to April's 23°C (73°F). When it comes to precipitation, October is noticeably wetter, receiving 222 mm (8.7 in) over 27 days, in contrast to April's 148 mm (5.8 in) over 17 days. Additionally, humidity levels are higher in April at 88%, whereas October maintains a relatively lower 81%. For more detailed information about October weather, you can visit Calamba weather in October.

In comparing the weather of April and November, both months showcase warm average temperatures around 27°C (81°F), with min and max temperatures of 23°C (73°F) to 32°C (89°F) in April and slightly cooler range of 21°C (71°F) to 31°C (88°F) in November. However, November experiences higher precipitation, totaling 189 mm (7.4 in) over 25 days, compared to April's 148 mm (5.8 in) spread across 17 days. Additionally, while humidity levels are quite similar, April holds a slightly higher humidity at 88% compared to November's 84%. For more detailed insights, you can explore Calamba weather in November.

April and December in Calamba present a strikingly similar temperature profile, with both months featuring minimums around 23°C (73°F), average temperatures near 27°C (81°F), and maximums peaking at about 31-32°C (88-89°F). However, the precipitation levels and frequency tell a different story. April enjoys a relatively lighter rainfall of 148 mm (5.8 in) over 17 days, while December sees a significant increase in precipitation, reaching 264 mm (10.4 in) spread across 28 days. Both months maintain a high humidity level of 88%, contributing to a humid tropical climate. For more detailed insights, you can refer to Calamba weather in December.

Compare Calamba's Climate with Cities Worldwide

Conclusion: What to Expect From April Weather in Calamba

In April, Calamba experiences a noticeable shift in weather as temperatures rise, reaching enjoyable highs that invite outdoor activities. This month stands out with elevated humidity levels and frequent rainfall, contributing to a lush, green landscape. While the warmth can be found year-round, April's mix of rain and humidity makes it distinct, compared to the drier, cooler months. With around 17 days of precipitation and an average temperature hovering around 27°C, the atmosphere feels both refreshing and vibrant. For a deeper understanding of how April’s weather integrates into the broader climate patterns, visit Calamba Climate.