Last updated: August 27, 2025
January in Calamba, Philippines is characterized by a warm tropical climate, with maximum temperatures reaching 30°C (87°F) and an average of 26°C (79°F). Nights are cooler, dipping to a minimum of 23°C (73°F), providing a pleasant reprieve from daytime warmth. However, this month experiences significant rainfall, accumulating 241 mm (9.5 in) over approximately 23 days, resulting in a high humidity level of 90%. As rain showers frequently weave through the sunny days, January presents a unique blend of warmth and moisture, ideal for local flora and a vibrant outdoor atmosphere.
In January, Calamba, Philippines experiences a warm and inviting climate, with temperatures ranging from a cozy 23°C (73°F) at night to a pleasant 30°C (87°F) during the day, providing a comfortable average of 26°C (79°F). This month marks the beginning of the year with slightly cooler nights compared to the following months. As February rolls in, nighttime temperatures dip a bit to 21°C (71°F), while daytime highs hold steady at 30°C (87°F), indicating a consistent warmth. March ushers in a slight increase in daytime temperatures, reaching 31°C (88°F), which sets the stage for a gradual rise towards the hotter months ahead. Overall, January sets a comfortable precedent for the rest of the year, with its balmy afternoons and mild evenings, making it a delightful time to enjoy what Calamba has to offer.
In January, Calamba, Philippines, welcomes the new year with a substantial precipitation total of 241 mm (9.5 in), spread over 23 rainy days. This significant rainfall marks the tail end of the wet season and sets the tone for the following months, as February sees only a slight decrease with 209 mm (8.2 in) but fewer rainy days at 20. Notably, this pattern shifts dramatically by March, when precipitation drops to 139 mm (5.5 in) over just 19 days. The fluctuation continues into April and May, where rainfall gradually rises again before peaking in the latter half of the year. Overall, January serves as a key indicator of the region's wet season dynamics, providing a glimpse into the precipitation trends that dominate Calamba's climate.
In Calamba, Philippines, January marks the beginning of the year with a consistent humidity level of 90%, a trend that surprisingly continues into February and March, creating a lush, tropical atmosphere. As the months progress toward the dry season, humidity gradually declines, dropping to 88% in April and continuing to decrease until reaching its lowest point of 80% in July. The latter part of the year sees a slight uptick, with humidity climbing back to 84% in November and 88% in December, reminiscent of the wet season. This cyclical pattern highlights Calamba's rich tropical climate, where high humidity persists for much of the year, enveloping the region in a warm, invigorating embrace.
In January, Calamba, Philippines experiences a UV Index of 13, falling into the extreme exposure category, which means that skin can burn in just 10 minutes of direct sunlight. This extreme level of UV exposure is a common theme throughout the early months of the year, with February and March showing indices of 14 and 16, respectively. The trend continues into April and May, maintaining an equally intense UV index of 16 and 14. Interestingly, the UV Index begins to stabilize in the latter half of the year, showing values between 11-15 from June to December. Despite this slight decrease, the consistent need for protection remains evident. Residents and visitors alike are encouraged to take precautions during these peak times. For more detailed information, check Calamba UV Index.
UV Risk Categories
In January, Calamba, Philippines, basks in 223 hours of radiant sunshine, setting the stage for a bright year ahead. As winter transitions into spring, the days grow significantly longer, with February and March witnessing an increase to 261 and 305 hours, respectively. The trend continues into April and May, where sunshine peaks at an impressive 318 hours, making it the sunniest month of the year. Following this warm surge, June presents a slight decline to 294 hours, yet the abundant sunlight persists through the summer months, ranging from 287 to 292 hours from July to August. As the year progresses into fall, sunshine gradually recedes, offering 283 hours in September and tapering down to 263 hours by December. This annual cycle highlights Calamba’s vibrant climate, with January marking the start of a year filled with sunshine and warmth.
In Calamba, Philippines, January offers a modest 11% chance of sunny weather, marking one of the lower probabilities for clear skies throughout the year. As winter transitions into spring, the likelihood of sunshine gradually increases, with February seeing a rise to 22% and peaking in March at 28%. Although February offers a hint of brightness, the sun's presence starts to wane again in April and May, with chances dipping to 22% and 17%, respectively. This trend indicates that while January may not be the sunniest month, the ebb and flow of sunshine in the following months offers a promising outlook for those seeking warmer weather.
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, the wind in January whispers softly, recording an average speed of just 1.5 m/s (3 mph), making it one of the calmest months of the year. As the seasons transition into February, a subtle increase is noticeable, with winds gently picking up to 2.1 m/s (5 mph). This trend of increasing wind speeds continues into the latter months, peaking at 2.3 m/s (5 mph) in December. While the summer months of April through October maintain a moderate and consistent breeze around 1.6 to 2.0 m/s (3 to 4 mph), January stands out for its tranquility. Overall, the wind patterns in Calamba suggest a gradual escalation towards the end of the year, offering a fascinating glimpse into the natural rhythms of this vibrant locale.
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 comparing the weather between January and February, both months showcase similar average temperatures, with January having a minimum of 23°C (73°F) and February slightly cooler at 21°C (71°F). Both months record a maximum temperature of 30°C (87°F) and an average of 26°C (79°F). However, January experiences a bit more rain, with 241 mm (9.5 in) of precipitation over 23 days, compared to February's 209 mm (8.2 in) over 20 days. Humidity remains consistent at 90% for both months, contributing to a tropical feel. For a more detailed look at February's weather, you can visit Calamba weather in February.
In January, the weather features warm temperatures with a minimum of 23°C (73°F) and an average of 26°C (79°F), peaking at 30°C (87°F). The month is characterized by significant rainfall, receiving 241 mm (9.5 inches) over 23 days, while maintaining a high humidity level of 90%. Conversely, March sees slightly warmer temperatures, with a minimum of 22°C (72°F) and a maximum of 31°C (88°F), although the average remains similar at 26°C (80°F). Precipitation is lower in March, totaling 139 mm (5.5 inches) over 19 days, while humidity remains consistent at 90%. For more detailed insights into the weather patterns, check out Calamba weather in March.
In comparing the weather between January and April, we see some notable differences. January typically experiences slightly cooler temperatures, with an average of 26°C (79°F), while April sees a rise to an average of 27°C (81°F). The maximum temperatures are also higher in April, reaching up to 32°C (89°F) compared to January's maximum of 30°C (87°F). Additionally, January is characterized by significantly higher precipitation, totaling 241 mm (9.5 in) over 23 days, whereas April has lower precipitation levels at 148 mm (5.8 in) across 17 days. Humidity remains fairly consistent, with January at 90% and April at 88%. For more detailed information on the April weather, you can check Calamba weather in April.
In January, the weather features a minimum temperature of 23°C (73°F) and an average of 26°C (79°F), with maximums reaching 30°C (87°F). This month experiences significant rainfall, totaling 241 mm (9.5 in) over 23 days, and the humidity remains high at 90%. In contrast, May sees slightly warmer temperatures, with a minimum of 24°C (75°F) and an average of 28°C (82°F), peaking at 33°C (91°F). Precipitation in May is less intense at 178 mm (7.0 in), but it occurs over a greater number of days, tallying 27. Humidity drops to 83%, making May feel somewhat less oppressive than January. For more detailed insights, visit Calamba weather in May.
In January, the weather is warm with temperatures ranging from a minimum of 23°C (73°F) to a maximum of 30°C (87°F), accompanied by high humidity at 90% and significant rainfall of 241 mm (9.5 in) over 23 days. In contrast, June sees slightly warmer temperatures, with a minimum of 25°C (76°F) and a maximum of 32°C (89°F), while experiencing lower humidity at 81% and a comparable amount of precipitation at 238 mm (9.4 in) over 26 days. For a more detailed look at the weather patterns, visit Calamba weather in June.
January and July display similar warm temperatures, with January experiencing a minimum of 23°C (73°F) and a maximum of 30°C (87°F), while July showcases a slightly higher minimum of 24°C (76°F) and a maximum of 32°C (90°F). Both months witness substantial rainfall, with January receiving 241 mm (9.5 in) compared to July's 212 mm (8.3 in). Despite having the same number of rainy days at 23, January is notably more humid at 90%, while July's humidity levels are more comfortable at 80%. For more details about weather conditions during July, visit Calamba weather in July.
In comparing the weather of January and August, January tends to be slightly cooler, with average temperatures ranging from a minimum of 23°C (73°F) to a maximum of 30°C (87°F). It also experiences higher precipitation, with 241 mm (9.5 in) falling over 23 days, resulting in a humidity level of 90%. In contrast, August is warmer, with average temperatures from a minimum of 24°C (76°F) to a maximum of 32°C (90°F), and it sees less rainfall, totaling 152 mm (6.0 in) over 22 days, leading to a lower humidity level of 81%. For more detailed information, you can check Calamba weather in August.
January and September exhibit noticeable differences in weather conditions. In January, temperatures range from a minimum of 23°C (73°F) to a maximum of 30°C (87°F), with an average of 26°C (79°F) and a high humidity of 90%. This month also sees significant rainfall, totaling 241 mm (9.5 in) over 23 days. In contrast, September features slightly warmer temperatures, with a minimum of 24°C (75°F) and a maximum of 32°C (89°F), resulting in an average of 27°C (82°F). Additionally, precipitation in September is lower at 165 mm (6.5 in) across 22 days and humidity drops to 84%. For further details, visit Calamba weather in September.
When comparing the weather between January and October, January tends to be slightly cooler, with average temperatures ranging from a minimum of 23°C (73°F) to a maximum of 30°C (87°F). In contrast, October is warmer, featuring temperatures that range from a minimum of 24°C (75°F) to a maximum of 32°C (89°F). Precipitation levels are relatively similar, with January receiving 241 mm (9.5 in) over 23 days, while October sees slightly less rain at 222 mm (8.7 in) across 27 days. Additionally, January has a higher humidity level at 90%, compared to the more comfortable 81% in October. For more details on Calamba's October climate, you can refer to this Calamba weather in October link.
January and November display notable differences in weather patterns. January tends to be slightly cooler, with temperatures ranging from a minimum of 23°C (73°F) to a maximum of 30°C (87°F), while November enjoys a marginally warmer average temperature of 27°C (81°F), peaking at 31°C (88°F). Precipitation levels in January are higher, reaching 241 mm (9.5 in) over 23 days, compared to November's 189 mm (7.4 in) over 25 days. Additionally, January's humidity is noticeably higher at 90%, while November records a more comfortable 84% humidity. For a closer look at the November weather patterns, you can check Calamba weather in November.
In January, temperatures generally range from a minimum of 23°C (73°F) to a maximum of 30°C (87°F), with an average temperature of 26°C (79°F). The month witnesses significant rainfall, totaling 241 mm (9.5 in) across 23 days, accompanied by high humidity levels of 90%. In contrast, December features slightly warmer temperatures with a minimum of 23°C (74°F) and a maximum of 31°C (88°F), leading to an average temperature of 27°C (80°F). Precipitation in December is higher at 264 mm (10.4 in) and occurs over 28 days, with humidity levels at 88%.
For more detailed weather patterns in December, you can visit Calamba weather in December.
As January settles into Calamba, the weather begins to shift with noticeably cooler temperatures and increased rainfall compared to the warmer and drier months ahead. With an average of 26°C, residents and visitors can expect a refreshing atmosphere, although humidity remains high at 90%. The increased precipitation, totaling around 241 mm over 23 days, provides a lush environment while signaling a transition from the drier conditions typical of the upcoming months. This combination of mild temperatures and heightened moisture makes January a unique and inviting time to experience Calamba's vibrant landscape. For more detailed insights on the annual climate trends, check out Calamba Climate.