January Weather in Bulusan, Philippines

Last updated: August 27, 2025

January in Bulusan, Philippines showcases a tropical climate with a maximum temperature reaching up to 30°C (86°F), while the average temperature hovers around 26°C (79°F). The month is characterized by considerable humidity, averaging 82%, which contributes to the lush greenery of the region. However, expect frequent rain, with a total precipitation amount of 254 mm (10.0 in) spread across 21 days. This blend of warmth and moisture makes January a vibrant yet wet month, inviting both nature enthusiasts and those seeking a tropical escape.

January Temperature in Bulusan

In January, Bulusan, Philippines, welcomes the year with a pleasantly warm climate, featuring minimum temperatures around 23°C (74°F) and averaging 26°C (79°F), peaking at a comfortable 30°C (86°F). This month marks the transition into slightly cooler weather, as temperatures dip just below those in February, which ranges between 22°C (72°F) and 30°C (87°F). As the months progress toward March and April, a noticeable trend emerges: average temperatures gradually rise, reaching a peak of 32°C (90°F) in April. Overall, January offers an inviting start to the year, setting the stage for the warm and tropical climate that characterizes Bulusan throughout the following months.

January Weather in Bulusan: Daily Temperature Highs, Lows, and Averages

The chart illustrates January temperature patterns in Bulusan, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends. In Bulusan, January 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).
JanFebMarAprMayJunJulAugSepOctNovDec797980818383828282818180
Data source: Temperature data for Bulusan 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.

January Precipitation in Bulusan

January marks a significant start to the year in Bulusan, Philippines, with precipitation totaling 254 mm (10.0 in) over 21 days. This robust rainfall sets the stage for a wet season, leading into the following months where precipitation gradually declines. As February approaches, the rainfall drops to 126 mm (5.0 in), indicating a notable decrease in both volume and frequency, with only 19 rainy days. However, the fluctuations are part of a broader pattern; the wettest months loom in mid-year, particularly July, which experiences a peak with 329 mm (13.0 in) over a full 30 days of rain. This seasonal rhythm highlights Bulusan's lush environment and underscores the critical role of January's substantial precipitation in sustaining the area's moisture levels for the drier months ahead.

January Precipitation Trends in Bulusan

The chart displays monthly precipitation patterns in Bulusan, with values for each month alongside January’s data, which is highlighted for easy comparison. It shows the amount of precipitation, providing insights into how January’s conditions compare to those of other months. In Bulusan, January typically receives around {2} mm ({3} inches) of precipitation spread over approximately {4} days.
JanFebMarAprMayJunJulAugSepOctNovDec2551269389121216329283299276231327
Data source: Precipitation data for January generated using information from the Copernicus Climate Change Service.
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January Humidity in Bulusan

In January, Bulusan, Philippines experiences a humidity level of 82%, setting the stage for a year marked by significant moisture variations. This month shows a slight decrease compared to February's 78%, hinting at a trend of diminishing humidity as the dry season begins. However, as the year progresses into March and April, humidity remains largely stable, with values around 77% to 79%. A noticeable uptick occurs in May, when humidity rises to 83%, foreshadowing the onset of the wetter months. The summer culminates in peak humidity levels from June through August, reaching a peak of 87%, suggesting that the region enters a more intense rainy season. Following this, a steady increase leads into the fall, with September hitting 88%, and both November and December maintaining elevated levels of 89%. This pattern highlights Bulusan's tropical climate, characterized by high humidity throughout the year, but especially during the latter half, creating a lush environment for its diverse ecosystems.

January Average Humidity in Bulusan

This chart illustrates the average monthly humidity levels in Bulusan, with January’s data highlighted for easy comparison. It shows the fluctuation in humidity throughout the year, helping you understand how conditions vary by season. In January, average humidity in Bulusan is approximately {2}%, offering insight into how humid the weather typically is during this month.
JanFebMarAprMayJunJulAugSepOctNovDec82%78%77%79%83%86%87%87%88%85%89%89%
Data source: Humidity data for January generated using information from the Copernicus Climate Change Service.

January UV Index in Bulusan

In January, the UV Index in Bulusan, Philippines, is strikingly high at 12, falling into the extreme exposure category, which means that unprotected skin can burn in just 10 minutes. This trend of extreme UV levels continues throughout the first half of the year, with February and March even reaching a peak of 15. As spring evolves into summer, the UV Index stays consistently high, reflecting Bulusan's tropical climate that demands vigilance against sun exposure. Interestingly, UV levels slightly drop in the latter part of the year, tapering off to 11 by November and December, yet still maintaining the extreme classification. With this intense UV data in mind, it's vital to stay informed and proactive about sun safety. For more details, check the Bulusan UV Index.

Maximum UV Index Levels in Bulusan for January

The chart shows the monthly maximum UV Index (UVI) for Bulusan in January, 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 January, the maximum UV index in Bulusan typically reaches {2}, which falls under the {3} exposure category.
JanFebMarAprMayJunJulAugSepOctNovDec121315151414141415131111
Data source: Bulusan January 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.

January Sunshine in Bulusan

In January, Bulusan, Philippines, basks in 214 hours of sunshine—a gentle start to the year that gradually paves the way for brighter days ahead. As the month progresses towards February, sunlight increases significantly to 264 hours, setting the tone for a sunny season. This upward trend continues as the days lengthen, peaking in May with an impressive 329 hours of daylight—nature’s way of inviting outdoor adventures. Despite a slight dip in the following months, summer shines brightly, maintaining a robust average of around 280 hours for the remainder of the year. The gradual decrease in sunshine hours towards December, with 266 hours, suggests a transition into the cooler months, but the overall warmth of Bulusan remains a hallmark throughout the year.

Monthly Sunshine Duration in Bulusan: January Highlighted

The January sunshine duration represents the total number of hours Bulusan experiences direct sunlight during the month of January, excluding cloudy or obstructed periods. This chart compares the sunshine duration of January with the other months of the year.
JanFebMarAprMayJunJulAugSepOctNovDec214h264h308h313h329h304h288h273h271h271h268h266h
Data source: Bulusan January Sunshine duration data generated using information from the Copernicus Climate Change Service.

Chance of Sun in Bulusan During January

In Bulusan, Philippines, January welcomes the new year with a modest 16% chance of sunny weather. This sets the stage for a gradual increase in sunshine as the months unfold, with February showing a slight rise to 22%. The trend becomes more favorable as the dry season approaches, with March and April boasting significantly higher probabilities of clear skies at 36% and 39%, respectively. However, as the year progresses into the later months, the likelihood of sunny days diminishes, dipping to 11% during the peak rainy months of July, August, and September. Overall, January stands at the beginning of a transitional period, pointing toward a brighter outlook in the following spring months while reminding us of the fleeting sunny moments amidst the tropical climate.

Percentage of Sunny Days in January in Bulusan

The chart illustrates the percentage of sunny days in Bulusan throughout the year, with January 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 Bulusan experiences clear skies throughout the year.
JanFebMarAprMayJunJulAugSepOctNovDec16%22%36%39%28%19%11%12%11%10%22%16%
Data source: Bulusan January chance of sun data, generated using information from the Copernicus Climate Change Service.

Daylight Hours in Bulusan in January

In Bulusan, Philippines, January ushers in 11 hours of daylight, a duration mirrored in both October and November, hinting at the cooler, shorter days of the dry season. As the year transitions into February, daylight remains constant at 11 hours, before a gradual shift occurs in March. From March through August, daylight stretches to 12 hours, cultivating an atmosphere of warmth and vibrancy typical of the tropical climate. This extended daylight fosters a lush and lively environment, ideal for outdoor exploration and cultural festivities. As the year wanes, daylight begins to recede again, returning to 11 hours in October and holding steady through December, bookending the year with tranquil evenings and enchanting sunsets. This cyclical pattern not only illustrates the island’s rhythm but also enhances the charm of Bulusan’s diverse landscapes throughout the year.

Average Daylight Hours in Bulusan for January

The chart illustrates the variation in daylight duration in Bulusan throughout the year, with January highlighted. It shows the monthly changes in daylight hours, calculated by summing the hours between sunrise and sunset.
JanFebMarAprMayJunJulAugSepOctNovDec11h 27m11h 42m12h 3m12h 24m12h 42m12h 51m12h 46m12h 30m12h 10m11h 49m11h 31m11h 22m
Data source: Bulusan daylight hours, calculated by summing the hours between sunrise and sunset for each day.

January Winds in Bulusan

In January, Bulusan, Philippines, greets the new year with an invigorating average wind speed of 5.0 m/s (11 mph), making it one of the breezier months of the year. This lively start sets a tone that gradually mellows as February follows with a slight decrease to 4.6 m/s (10 mph), and continuing into March where winds soften to 4.3 m/s (10 mph). As spring approaches, April brings even calmer conditions at 4.1 m/s (9 mph), leading into the warmer months where wind speeds dip further. By May, the gentle breezes become even lighter at 3.3 m/s (7 mph), while June offers a lull with speeds reaching as low as 2.1 m/s (5 mph). Interestingly, a resurgence occurs in July and November, both seeing a return to more refreshing winds around 4.3 m/s (10 mph) and 3.9 m/s (9 mph) respectively. As the year comes full circle, December surprises locals with a gusty finish, averaging 5.7 m/s (13 mph), making it the month with the strongest winds. This ebb and flow of wind throughout the year not only shapes the local climate but also enhances the dynamic beauty of Bulusan’s natural landscape.

Average January Wind Speed in Bulusan

The chart displays monthly wind speed patterns in Bulusan, with values for each month shown alongside January's data, which is highlighted for easy comparison. It illustrates the average wind speed, offering insights into how January's wind conditions compare to the rest of the year.
JanFebMarAprMayJunJulAugSepOctNovDec5.0 m/s4.64.34.13.32.14.32.62.63.63.95.7
Data source: Bulusan January wind data, generated using information from the Copernicus Climate Change Service.

How January Weather in Bulusan Compares to Other Months

Weather in Bulusan varies notably across the year, with each month offering distinct climate conditions. This page compares January’s weather to other months in Bulusan, focusing on differences in temperature, rainfall, humidity, and UV levels.

In comparing the weather of January and February, both months maintain similar average temperatures, hovering around 26°C (79°F), with January experiencing slightly higher minimum and maximum temperatures. January brings a significant amount of rainfall, totaling 254 mm (10.0 in) over 21 days, while February sees a considerable reduction in precipitation to 126 mm (5.0 in) across 19 days. Additionally, January's humidity remains higher at 82%, compared to February's 78%, suggesting a somewhat drier and more comfortable atmosphere in February. For more detailed information, you can check Bulusan weather in February.

January and March share similar temperature ranges, with January's minimum at 23°C (74°F) and March's minimum also at 23°C (73°F). However, March experiences slightly warmer average and maximum temperatures, peaking at 27°C (80°F) and 31°C (89°F) respectively, compared to January's average of 26°C (79°F) and maximum of 30°C (86°F). Notably, January sees significantly higher precipitation, with 254 mm (10.0 in) falling over 21 days, while March has only 93 mm (3.7 in) over 18 days, contributing to a lower humidity level of 77% in March compared to January's 82%. For more details on March weather, visit Bulusan weather in March.

In January, the weather is characterized by slightly cooler temperatures, with a minimum of 23°C (74°F) and an average of 26°C (79°F), while reaching a maximum of 30°C (86°F). This month experiences significant rainfall, totaling 254 mm (10.0 in) over about 21 days, accompanied by high humidity levels at 82%. In contrast, April sees a rise in average temperatures, with a minimum of 23°C (75°F) and an average of 27°C (82°F), peaking at 32°C (90°F). Precipitation in April is much lower, at 89 mm (3.5 in) over 15 days, and humidity eases to 79%. For more specific information about weather in Bulusan during April, you can check Bulusan weather in April.

In January, the weather is warm with average temperatures ranging from a minimum of 23°C (74°F) to a maximum of 30°C (86°F), accompanied by significant rainfall of 254 mm (10.0 in) over about 21 days and a humidity level of 82%. In contrast, May tends to be hotter, featuring a minimum temperature of 25°C (77°F) and reaching highs of 33°C (92°F) on average. Although May experiences less precipitation at 121 mm (4.8 in) over 23 days, the humidity rises slightly to 83%. This makes May feel more sweltering, despite the lower average rainfall. For more details, you can check Bulusan weather in May.

When comparing the weather in January and June, January tends to be slightly cooler with average temperatures ranging from a minimum of 23°C (74°F) to a maximum of 30°C (86°F), while June showcases warmer conditions with temperatures ranging from 25°C (77°F) to 33°C (91°F). Precipitation is notably high in January at 254 mm (10.0 in) over 21 days, compared to June, which experiences 216 mm (8.5 in) but across a greater number of days—27 in total. Additionally, humidity levels rise from 82% in January to 86% in June, contributing to a more tropical feel as the year progresses. For more specific details about Bulusan’s climate, you can visit Bulusan weather in June.

In January, the weather is typically warm with average temperatures ranging from 23°C (74°F) to a maximum of 30°C (86°F), accompanied by significant precipitation of 254 mm (10.0 in) over about 21 days, resulting in a humidity level of 82%. In contrast, July sees slightly higher temperatures with a minimum of 24°C (76°F) and a maximum of 32°C (91°F), along with increased rainfall totaling 329 mm (13.0 in) over approximately 30 days and higher humidity at 87%. This makes July not only warmer but also more humid and wetter than January. For a detailed look at the weather conditions during this month, you can refer to Bulusan weather in July.

In January, the weather tends to be warm with temperatures ranging from a minimum of 23°C (74°F) to a maximum of 30°C (86°F), averaging around 26°C (79°F). The month experiences significant rainfall, with a total precipitation of 254 mm (10.0 in) over 21 days and humidity levels averaging 82%. In contrast, August sees slightly higher temperatures, with a minimum of 24°C (76°F) and a maximum of 32°C (90°F), averaging 28°C (82°F). Additionally, August has more rainfall, totaling 283 mm (11.2 in) across 27 days, and humidity rises to 87%. For more details on weather conditions in August, you can visit Bulusan weather in August.

In January, the weather is warm with average temperatures ranging from 23°C (74°F) to a maximum of 30°C (86°F), accompanied by high humidity levels of 82%. However, this month also sees significant rainfall, averaging 254 mm (10.0 in) over 21 days. In contrast, September brings slightly warmer temperatures, with a minimum of 24°C (75°F) and a maximum reaching 33°C (91°F), alongside increased humidity at 88%. Precipitation is also more frequent in September, with 299 mm (11.8 in) falling across 28 days, making it a rainier period overall. For a detailed look at September's weather, you can visit Bulusan weather in September.

January and October present similar warm temperatures, with January averaging 26°C (79°F) and October slightly warmer at 27°C (82°F). Both months show a minimum temperature around 23°C (74°F), but October can reach a higher maximum of 32°C (89°F) compared to January's 30°C (86°F). Precipitation is more pronounced in October, with a total of 276 mm (10.9 in) over 28 days, compared to January's 254 mm (10.0 in) over 21 days, contributing to a slightly higher humidity level of 85% in October versus 82% in January. For more detailed information on the weather during October, visit Bulusan weather in October.

In comparing the weather between January and November, both months showcase warm temperatures but with slight variations. January has a minimum temperature of 23°C (74°F) and an average of 26°C (79°F), with a maximum of 30°C (86°F). It experiences more precipitation, totaling 254 mm (10.0 in) over 21 days, and boasts a humidity level of 82%. In contrast, November is slightly warmer with a minimum of 24°C (76°F) and an average of 27°C (81°F), reaching up to 31°C (89°F) at its peak. It sees a lower total precipitation of 231 mm (9.1 in) spread over 28 days, along with higher humidity at 89%. For more detailed insights, visit Bulusan weather in November.

In comparing the weather of January and December, both months present warm temperatures, with January's averages slightly lower than December's. January features a minimum temperature of 23°C (74°F) and an average of 26°C (79°F), while December has a similar minimum but a higher average of 27°C (80°F) and a peak of 31°C (88°F). Precipitation is more significant in December, totaling 327 mm (12.9 in) over 28 days compared to 254 mm (10.0 in) across 21 days in January. Additionally, humidity levels are slightly higher in December at 89%, compared to 82% in January. For a detailed look at December weather, visit Bulusan weather in December.

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Conclusion: What to Expect From January Weather in Bulusan

January in Bulusan presents a distinctly humid and rainy atmosphere compared to other months, with an average temperature that gently hovers around a comfortable 26°C (79°F). This month stands out due to the significant rainfall, characterized by 21 days of precipitation, culminating in a total of 254 mm—making it one of the wettest periods of the year. The elevated humidity at 82% adds to the feeling of warmth, setting January apart from the drier months that follow. For a deeper understanding of Bulusan's climate patterns, explore more at Bulusan Climate.