Last updated: August 27, 2025
January in Calamba, Philippines is characterized by warm temperatures and notable humidity, making it a lively start to the year. With a maximum temperature reaching 30°C (87°F) and an average of 25°C (78°F), residents and visitors alike can expect comfortable, warm days. Nights, however, cool down slightly to a minimum of 22°C (72°F). Rainfall during this month totals 88 mm (3.4 in), occurring over approximately 9 days, which adds a refreshing touch to the tropical climate. The humidity averages around 76%, contributing to the overall ambiance of warmth and tropical lushness that defines January in this vibrant locale.
In Calamba, Philippines during January, the temperatures create a pleasantly warm atmosphere, with a minimum of 22°C (72°F), an average of 25°C (78°F), and a maximum reaching 30°C (87°F). This month heralds the slow transition into the warmer season, maintaining a comfortable climate that often invites outdoor activities. As February approaches, temperatures see a slight increase, particularly in the max range, suggesting the onset of a steady warming trend that peaks in the following months. With averages steadily climbing to 26°C (80°F) by March and hitting 34°C (94°F) by May, the heat gradually intensifies. Despite this rise, January remains a sweet spot for visitors seeking enjoyable weather before the summer swelter sets in, making it an ideal time to experience the vibrant culture and natural beauty of Calamba.
In January, Calamba, Philippines, experiences a moderate precipitation level of 88 mm (3.4 in), spread across 9 rainy days. This early-month rainfall sets the stage for a significant increase in moisture in the following months, especially as the dry season transitions into the wet season. As February approaches, precipitation sharply declines to 35 mm (1.4 in), showcasing a brief respite before the rains return in force during the late spring and early summer. The trend is evident as May leads into the monsoon season with a marked increase to 142 mm (5.6 in), culminating in the intense rain peaks of July and August, which collectively receive almost 400 mm (15.6 in) and 319 mm (12.5 in) respectively. Thus, January serves as both a precursor to and a glimpse of the varied precipitation patterns that define Calamba's climate throughout the year.
In January, Calamba, Philippines, experiences a humidity level of 76%, setting a tone of moisture that characterizes the region's climate. As the month progresses into February, humidity gently decreases to 71%, but by March, it stabilizes at 68%—the lowest point of the year. As the temperatures climb towards the summer months, April sees a slight bump back to 69%, and then a return to higher humidity in May at 76%. The real shift occurs in June, transitioning into the peak of the wet season, where humidity soars to 87% and continues to climb, hitting a peak of 89% during the core rainy months from August through November. This trend highlights a significant increase in moisture, suggesting that while January starts off relatively humid, the intensity grows significantly as the year progresses, creating a lush and vibrant environment typical of tropical climates. By December, humidity begins to ease again, settling at 86%, but the overall trend clearly indicates a marked seasonal cycle of high humidity levels.
In January, Calamba, Philippines, experiences a UV Index of 11, categorized as extreme, with a rapid burn time of just 10 minutes. This trend of high UV exposure continues into February, where the index climbs to 13, reaching its peak as the region transitions into the hotter months. From March to April, the UV Index remains at a striking 15, highlighting the urgency of sun safety precautions. As the year progresses into the summer months, it fluctuates slightly but stays consistently high, with June through September maintaining the 14 mark. Even as October and November approach, values remain in the extreme category, tapering off to 11 in November, and finally to 10 in December, marking a shift to very high exposure with a longer burn time of 15 minutes. It's crucial for residents and visitors to stay vigilant against sun exposure throughout the year. For more detailed information, check out the Calamba UV Index.
UV Risk Categories
In January, Calamba, Philippines, enjoys a delightful 232 hours of sunshine, setting the tone for an inviting start to the year. As the months progress, daylight increases significantly, with February boasting 273 hours, and March reaching a radiant 315 hours. This peak sunshine in March heralds the transition into the dry season, where sunlight remains abundant, with April and May offering impressive totals of 312 and 323 hours, respectively. However, as June arrives, the weather begins to shift, with the hours dropping slightly to 300 as the rainy season approaches. The trend continues into the latter half of the year, where hours gradually decrease, highlighting July and August with 270 and 264 hours, respectively. As the year draws to a close, Calamba experiences a modest recovery in sunlight, registering 270 hours in November and 277 hours in December, providing a fitting end to the year filled with vibrant sunshine.
In Calamba, Philippines, January ushers in a 22% chance of sunny weather, setting the stage for a transitional month as the dry season begins to unfold. While this probability is relatively modest, it shows a gradual increase compared to the colder months preceding it, such as December. As one moves into February, the likelihood of sunny days rises to 31%, hinting at a more promising outlook. This trend continues throughout the early months of the year, with March and April boasting much higher chances of sunshine at 45% and 46%, respectively. Thus, while January might not promise an abundance of sun, it marks the start of a positive shift that many eagerly anticipate as the year progresses.
In Calamba, Philippines, January ushers in 11 hours of daylight, setting a consistent tone that continues into February. As the months progress, there's a gradual shift in sunlight availability, with March marking the transition to 12 hours of daylight—an indication that spring is in the air. This trend of extended daylight continues throughout the following months, maintaining the 12-hour mark until September. As the year winds down, the daylight duration reverts to 11 hours in October, reflecting the annual return to shorter days that persists through November and December. This rhythmic pattern not only enhances the beauty of each season but also highlights the balance of light and dark in this vibrant region.
In Calamba, Philippines, January welcomes the year with a pleasant average wind speed of 3.7 m/s (8 mph), setting a breezy tone for the month. As the calendar turns to February, the winds begin to gently subside to 3.3 m/s (7 mph), continuing a trend of decreasing gusts as spring approaches. This decline persists throughout March and April, with average speeds dipping to 3.2 m/s (7 mph) and 2.8 m/s (6 mph), respectively. Interestingly, May marks a slight uptick at 2.9 m/s (6 mph), before the summer months introduce even calmer breezes in June, where winds reduce to just 1.9 m/s (4 mph). However, July brings a resurgence, reviving the average to 3.2 m/s (7 mph), likely foreshadowing the seasonal shifts ahead. As the year wanes, the wind speeds fluctuate modestly, culminating in December's refreshingly brisk 3.7 m/s (8 mph), mirroring January's vibrant start. This annual dance of wind underscores not just the changing seasons but also the unique climatic rhythm of Calamba, inviting locals and visitors alike to relish its breezy charm.
Weather in Calamba varies notably across the year, with each month offering distinct climate conditions. This page compares January’s weather to other months in Calamba, focusing on differences in temperature, rainfall, humidity, and UV levels.
In January, the weather is characterized by a minimum temperature of 22°C (72°F) and an average of 25°C (78°F), reaching a maximum of 30°C (87°F). This month experiences more rainfall, with a total precipitation of 88 mm (3.4 in) over 9 days and humidity levels at 76%. In contrast, February sees slightly milder conditions, with a minimum temperature of 21°C (71°F) and a similar average of 25°C (78°F). The maximum temperature increases to 31°C (87°F), while precipitation drops significantly to 35 mm (1.4 in) over just 5 days, and humidity decreases to 71%. For more details on February weather, you can visit Calamba weather in February.
In comparing the weather of January and March, January experiences slightly cooler temperatures, with average highs reaching 30°C (87°F), while March boasts warmer conditions, peaking at 32°C (90°F). January is also characterized by higher humidity at 76% and more frequent rainfall, receiving 88 mm over 9 days. In contrast, March sees a decrease in humidity to 68% and significantly less precipitation, totaling only 24 mm over just 5 days. For more details on March weather, you can visit Calamba weather in March.
In January, the weather in Calamba is generally warm and humid, with temperatures ranging from a minimum of 22°C (72°F) to a maximum of 30°C (87°F) and an average of 25°C (78°F). The month sees moderate rainfall, accumulating 88 mm (3.4 in) over about 9 days, resulting in a relatively high humidity level of 76%. In contrast, April brings slightly warmer conditions, with minimum temperatures of 23°C (73°F) and maximums reaching 33°C (91°F), averaging 27°C (82°F). Rainfall decreases significantly to 23 mm (0.9 in) spread over 6 days, and humidity dips to 69%, creating a more comfortable atmosphere. For more detailed information, check out Calamba weather in April.
In comparing the weather between January and May, January enjoys slightly cooler temperatures with a minimum of 22°C (72°F) and an average of 25°C (78°F), while May sees warmer conditions, starting at a minimum of 25°C (77°F) and averaging 28°C (83°F). The maximum temperature in May can reach a sweltering 34°C (94°F), significantly higher than January's peak of 30°C (87°F). Additionally, May experiences more precipitation, with 142 mm (5.6 in) over 18 days, compared to January's 88 mm (3.4 in) over just 9 days. Despite the increased rainfall in May, both months maintain a consistent humidity level of 76%. For more detailed insights, you can check Calamba weather in May.
January and June present distinct weather patterns, highlighting the transition from the start of the year to mid-year. In January, temperatures range from a minimum of 22°C (72°F) to a maximum of 30°C (87°F), with an average of 25°C (78°F). The month experiences moderate precipitation of 88 mm (3.4 in) over approximately 9 days and maintains a humidity level of 76%. In contrast, June sees warmer temperatures, with a minimum of 24°C (76°F), reaching up to 34°C (93°F) and averaging 28°C (83°F). The rainfall significantly increases to 253 mm (10.0 in) spread over 27 days, resulting in higher humidity at 87%. For more details, you can check Calamba weather in June.
In January, the weather is slightly cooler, with average temperatures ranging from a minimum of 22°C (72°F) to a maximum of 30°C (87°F), accompanied by moderate humidity at 76%. Precipitation levels are lower during this month, with around 88 mm (3.4 in) spread over 9 days, making it more manageable for outdoor activities. In contrast, July experiences warmer temperatures with a minimum of 24°C (76°F) and highs reaching 33°C (91°F), along with significantly higher humidity at 88%. This month also sees much more rainfall, totaling 397 mm (15.6 in) over 30 days, leading to a wetter and more humid atmosphere. For more detailed information, check Calamba weather in July.
In January, the weather is relatively mild with temperatures ranging from a minimum of 22°C (72°F) to a maximum of 30°C (87°F), averaging around 25°C (78°F). The humidity sits at 76%, and the month experiences about 88 mm (3.4 in) of rainfall over 9 days. In contrast, August is significantly warmer, with temperatures ranging from a minimum of 24°C (76°F) to a maximum of 33°C (91°F), averaging 27°C (81°F). This month also sees much higher precipitation, totaling 319 mm (12.5 in) over 29 days, and the humidity increases to 89%. For a closer look at August weather specifics, visit Calamba weather in August.
January and September present distinct weather patterns. In January, temperatures range from a minimum of 22°C (72°F) to a maximum of 30°C (87°F), with an average of 25°C (78°F). The month experiences around 88 mm (3.4 in) of precipitation over approximately 9 days, with humidity sitting at 76%. In contrast, September sees slightly warmer temperatures, with a minimum of 24°C (76°F), an average of 27°C (81°F), and a maximum of 32°C (90°F). It is also significantly wetter, receiving 318 mm (12.5 in) of rain across 26 days, and humidity rises to 89%. For more detailed information, check out Calamba weather in September.
In January, the weather features a milder temperature range with a minimum of 22°C (72°F) and a maximum of 30°C (87°F), while averaging at 25°C (78°F). The month experiences relatively light precipitation of 88 mm (3.4 in) over about 9 days, with humidity levels around 76%. In contrast, October sees warmer conditions with temperatures ranging from a minimum of 24°C (75°F) to a maximum of 32°C (90°F), averaging 27°C (81°F). However, October is also marked by significantly higher rainfall, totaling 226 mm (8.9 in) over 22 days and increased humidity at 86%. For more specific insights regarding the weather in October, refer to Calamba weather in October.
When comparing the weather in January and November, both months exhibit warm temperatures, with January experiencing a minimum of 22°C (72°F) and an average of 25°C (78°F), while November sees slightly higher values with a minimum of 23°C (74°F) and an average of 27°C (80°F). November also boasts higher maximum temperatures, reaching up to 32°C (89°F) compared to January's maximum of 30°C (87°F). However, November is significantly wetter, with total precipitation of 158 mm (6.2 in) over 16 days, as opposed to January's 88 mm (3.4 in) over just 9 days. Humidity levels are also higher in November at 89%, compared to January's 76%. For more detailed information, you can check out Calamba weather in November.
In January, the weather sees slightly warmer temperatures with a minimum of 22°C (72°F), an average of 25°C (78°F), and a maximum of 30°C (87°F). This month experiences about 88 mm (3.4 in) of precipitation over approximately 9 days, accompanied by a humidity level of 76%. In contrast, December features slightly higher temperatures, with a minimum of 23°C (73°F), an average of 26°C (79°F), and a maximum of 31°C (88°F). This month has significantly more rainfall, totaling 184 mm (7.2 in) over 15 days and a higher humidity level of 86%. For a more detailed look at December weather, you can visit Calamba weather in December.
As January rolls into Calamba, residents and visitors alike experience a refreshing shift in weather compared to the hotter months that come later in the year. With average temperatures hovering pleasantly around 25°C (78°F), this month stands out for its comfortable daytime warmth and cooler nights. While occasional rain showers contribute to a notable humidity of 76%, the overall climate is more bearable, marking a delightful reprieve from the sweltering heat typical of mid-year. The rainfall, while somewhat frequent, is generally light and serves to enhance the lush landscape. For those curious about weather patterns throughout the year, further insights can be found in our comprehensive guide on Calamba Climate.