January Weather in Koror, Palau

Last updated: August 31, 2025

Experience the tropical allure of Koror, Palau in January, where the weather is a delightful blend of warmth and humidity. Expect daily maximum temperatures around 29°C (84°F) and an average of 27°C (81°F), providing a comfortable backdrop for outdoor adventures. While the minimum temperature dips to a cozy 25°C (78°F), be prepared for a significant precipitation level of 235 mm (9.2 in) across approximately 21 days, making it one of the wetter months. With an humidity rate hovering at 81%, the atmosphere feels lush and vibrant, perfect for embracing the stunning natural beauty of this Pacific paradise.

January Temperature in Koror

In January, Koror, Palau embraces the warmth with temperatures ranging from a comfortable 25°C (78°F) at night to a balmy 29°C (84°F) during the day, averaging 27°C (81°F) overall. This pattern of mild nights and warm days is characteristic of the island's tropical climate. Throughout the year, temperatures remain consistently pleasant, with only slight variations; for instance, February through March maintain similar averages, while by the end of the year, December sees a marginal drop to 26°C (78°F) for minimum temperatures. Overall, one can expect Koror's inviting warmth to be a constant companion, making each visit feel like a delightful escape into paradise.

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

The chart illustrates January temperature patterns in Koror, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends. In Koror, 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).
JanFebMarAprMayJunJulAugSepOctNovDec818181818281818182828282
Data source: Temperature data for Koror generated using information from the Copernicus Climate Change Service.
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The average of daily temperatures (24 hours) calculated across all days in the month.

January Precipitation in Koror

In January, Koror, Palau experiences significant rainfall, with a total precipitation of 235 mm (about 9.2 inches) spread over 21 days. This sets the stage for a wet season that progressively intensifies, as February sees an increase to 337 mm and 22 rainy days. The trend continues into the following months, with May peaking at an impressive 389 mm over 26 days, marking it as one of the wettest months. As the year progresses, the precipitation fluctuates but remains consistently high, particularly from May through July when nearly 1,000 mm falls in just three months. While January kicks off the year with notable rainfall, it becomes clear that the subsequent months not only endure more precipitation but also experience a greater number of rainy days, emphasizing the tropical climate's characteristic damp and humid conditions.

January Precipitation Trends in Koror

The chart displays monthly precipitation patterns in Koror, 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 Koror, January typically receives around {2} mm ({3} inches) of precipitation spread over approximately {4} days.
JanFebMarAprMayJunJulAugSepOctNovDec235337188225389302365299284278278310
Data source: Precipitation data for January generated using information from the Copernicus Climate Change Service.
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January Humidity in Koror

In January, Koror, Palau, experiences a humidity level of 81%, marking the start of the year with a slightly elevated moisture content in the air. As the months progress into February and March, humidity remains quite stable, peaking at 82% before beginning a gradual decline through the spring and summer. By April, humidity dips to 80%, and this trend continues, dropping to 77% by June and July. The latter part of the year sees a small uptick, with humidity hovering around 78% in December. This overall pattern reveals a warm and humid climate, typical of tropical regions, with the highest moisture levels early in the year, tapering off as the season evolves.

January Average Humidity in Koror

This chart illustrates the average monthly humidity levels in Koror, 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 Koror is approximately {2}%, offering insight into how humid the weather typically is during this month.
JanFebMarAprMayJunJulAugSepOctNovDec81%82%82%80%78%77%77%78%79%77%77%78%
Data source: Humidity data for January generated using information from the Copernicus Climate Change Service.

January UV Index in Koror

In January, Koror, Palau experiences a UV Index of 13, categorized as extreme with a quick burn time of just 10 minutes. This sets the tone for the month, highlighting the need for adequate sun protection. As the year progresses, the UV Index sees a slight increase, peaking in March and April at 16 but maintaining its extreme classification throughout the first half of the year. February and May also show notable levels at 15, while the intensity slightly dips to 13 again in June before fluctuating between 14 and 15 from July to September. The trend remains consistent as the year winds down, with November back at 13 and December easing to 12, yet still within the extreme category. Staying vigilant against UV exposure is crucial all year round in Koror. For more detailed information, visit Koror UV Index.

Maximum UV Index Levels in Koror for January

The chart shows the monthly maximum UV Index (UVI) for Koror 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 Koror typically reaches {2}, which falls under the {3} exposure category.
JanFebMarAprMayJunJulAugSepOctNovDec131516161513141515141312
Data source: Koror 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 Koror

January in Koror, Palau, welcomes the year with a delightful 225 hours of sunshine, setting a bright tone for the months ahead. As the calendar moves into February, daylight increases significantly to 260 hours, heralding the gradual ascent of sunny days. This upward trend continues, peaking in May with an impressive 296 hours, creating a vibrant atmosphere perfect for outdoor adventures. However, as the summer months close in, the sunshine slightly recedes, settling around the 270-hour mark from November through December. Throughout the year, Koror's sunshine paints a picture of warmth and light, inviting both locals and visitors to embrace the island’s natural beauty under its ever-changing sky.

Monthly Sunshine Duration in Koror: January Highlighted

The January sunshine duration represents the total number of hours Koror 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.
JanFebMarAprMayJunJulAugSepOctNovDec225h260h294h290h296h279h278h288h278h277h271h271h
Data source: Koror January Sunshine duration data generated using information from the Copernicus Climate Change Service.

Chance of Sun in Koror During January

In Koror, Palau, January offers a modest 15% chance of sunny weather, marking it as one of the cooler months for sunshine seekers. As the year progresses, a distinct trend emerges: the likelihood of sunny days gradually increases, peaking at 35% in April. Following this peak, the chances oscillate but remain relatively stable, hovering around 26% to 27% from August through November, before dipping again in the cooler months. This pattern suggests that while January may not be the sunniest month, the following months bring progressively brighter days, making spring the ideal time for those eager to bask in the tropical sun.

Percentage of Sunny Days in January in Koror

The chart illustrates the percentage of sunny days in Koror 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 Koror experiences clear skies throughout the year.
JanFebMarAprMayJunJulAugSepOctNovDec15%22%27%35%14%27%11%26%16%19%26%18%
Data source: Koror January chance of sun data, generated using information from the Copernicus Climate Change Service.

Daylight Hours in Koror in January

In January, Koror, Palau basks in approximately 11 hours of daylight, a trend that continues consistently through February. As spring approaches in March, daylight gradually increases to 12 hours, a duration that persists from March through August. This extended daylight provides ample opportunity for outdoor activities and exploration of the island's stunning natural beauty. As the year progresses into September, daylight begins to taper off again, returning to 11 hours in October and continuing through November and December. This gentle fluctuation in daylight duration marks a rhythmic pattern that mirrors the tropical climate and enchanting environment of Palau.

Average Daylight Hours in Koror for January

The chart illustrates the variation in daylight duration in Koror throughout the year, with January highlighted. It shows the monthly changes in daylight hours, calculated by summing the hours between sunrise and sunset.
JanFebMarAprMayJunJulAugSepOctNovDec11h 44m11h 52m12h 4m12h 16m12h 26m12h 31m12h 29m12h 20m12h 8m11h 56m11h 46m11h 41m
Data source: Koror daylight hours, calculated by summing the hours between sunrise and sunset for each day.

January Winds in Koror

In Koror, Palau, the winds of January usher in a refreshing average speed of 6.5 m/s (14 mph), making it one of the breezier months of the year. This gusty start leads into February, where the winds slightly taper to 6.2 m/s, demonstrating a gradual easing as the months pass. A notable drop occurs in April, where wind speeds decrease further to 4.8 m/s (11 mph), hinting at the calmness that lies ahead during the summer months. As the year progresses, the winds soften significantly, reaching their lowest point in June at just 2.4 m/s (5 mph), creating a tranquil atmosphere ideal for leisurely activities. However, by the end of the year, the winds regain some strength, with December bouncing back to 6.2 m/s, encapsulating a year that oscillates between invigorating breezes and calm serenity, offering a dynamic experience for residents and visitors alike.

Average January Wind Speed in Koror

The chart displays monthly wind speed patterns in Koror, 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.
JanFebMarAprMayJunJulAugSepOctNovDec6.5 m/s6.25.94.85.12.44.23.03.74.74.36.2
Data source: Koror January wind data, generated using information from the Copernicus Climate Change Service.

How January Weather in Koror Compares to Other Months

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

In January, the weather features a comfortable temperature range with a minimum of 25°C (78°F), an average of 27°C (81°F), and a maximum of 29°C (84°F). The month experiences considerable rainfall, totaling 235 mm (9.2 in) over 21 days, and maintains a humidity level of 81%. In contrast, February mirrors January's temperature profile with similar minimum, average, and maximum temperatures, but it sees an increase in precipitation, reaching 337 mm (13.3 in) across 22 days, accompanied by slightly higher humidity at 82%. For more details, check out Koror weather in February.

In comparing the weather from January to March, both months maintain similar temperature averages, with January experiencing a minimum of 25°C (78°F) and a maximum of 29°C (84°F), while March's temperatures slightly rise, peaking at 29°C (85°F). Precipitation in March is notably lower, with 188 mm (7.4 in) compared to January's 235 mm (9.2 in), even though both months have rain on 21 days. Humidity levels are relatively consistent, sitting at 81% in January and rising slightly to 82% in March. For those interested in a more detailed look at March weather, you can visit Koror weather in March.

In comparing the weather of January and April, both months feature a similar temperature range with a minimum of 25°C (78°F), an average of approximately 27°C (81°F in January and 82°F in April), and a maximum of 29°C (84°F in January and 85°F in April). However, January experiences slightly more precipitation, with 235 mm (9.2 in) over 21 days compared to April's 225 mm (8.8 in) over 23 days. Additionally, humidity levels remain high in both months, with January at 81% and April at 80%. For a detailed look at the weather conditions in April, you can check Koror weather in April.

In January, temperatures in Koror range from a minimum of 25°C (78°F) to a maximum of 29°C (84°F) with an average of 27°C (81°F). The month typically experiences significant rainfall, accumulating around 235 mm (9.2 in) over 21 days, resulting in high humidity levels of 81%. In contrast, May sees slightly higher temperatures, with a minimum of 26°C (78°F) and a maximum of 29°C (85°F), while the average remains similar at 28°C (82°F). However, May is much wetter, with precipitation rising to 389 mm (15.3 in) across 26 days, although humidity decreases to 78%. For more details, check out Koror weather in May.

In January, the weather features a minimum temperature of 25°C (78°F) and an average of 27°C (81°F), with a peak of 29°C (84°F). This month sees significant rainfall, totaling 235 mm (9.2 in) over 21 days and humidity levels around 81%. In contrast, June experiences a similar temperature range with a minimum of 26°C (78°F) and an average of 27°C (82°F), peaking at 29°C (85°F). However, precipitation increases to 302 mm (11.9 in) spread over 28 days, and humidity decreases slightly to 77%. For a more detailed look at June weather specifically, you can explore Koror weather in June.

In January, the weather in Koror is characterized by warm temperatures, with minimums around 25°C (78°F) and averages of 27°C (81°F), peaking at a comfortable 29°C (84°F). However, January experiences significant rainfall, totaling 235 mm (9.2 in) across 21 days, contributing to a higher humidity of 81%. In contrast, July maintains similar temperature ranges, with a minimum of 25°C (78°F) and an average of 27°C (81°F), but it sees slightly warmer maximums reaching 29°C (85°F). The month is notably wetter, with 365 mm (14.4 in) of rain over 28 days and a slightly lower humidity level of 77%. For more details on the July weather in Koror, you can check Koror weather in July.

January and August in Koror share similar temperature ranges, with both months experiencing minimum temperatures of 25°C (78°F), average temperatures around 27°C (81°F), and maximums hovering between 29°C (84°F in January and 85°F in August). However, August tends to receive more rainfall, with total precipitation reaching 299 mm (11.8 in) over 27 days, compared to January’s 235 mm (9.2 in) over 21 days. Additionally, humidity levels are slightly lower in August at 78%, compared to a more humid 81% in January. For a more detailed look at August weather, you can visit Koror weather in August.

In January, the weather is characterized by warm temperatures, with a minimum of 25°C (78°F) and an average of 27°C (81°F), peaking at 29°C (84°F). However, this month also brings significant rainfall, totaling 235 mm (9.2 in) distributed over 21 days, with humidity levels averaging around 81%. In contrast, September sees a slight increase in temperature, with averages reaching 28°C (82°F) and a maximum of 30°C (85°F). Precipitation also rises to 284 mm (11.2 in), occurring on 25 days, while humidity remains relatively stable at 79%. For a detailed look at the weather specifics in September, check out Koror weather in September.

January and October in Koror present similar warmth, but October tends to be slightly warmer, with average temperatures ranging from a minimum of 26°C (78°F) to a maximum of 30°C (86°F), compared to January's range of 25°C (78°F) to 29°C (84°F). October also experiences more precipitation, with 278 mm (11.0 in) over 25 days, while January sees 235 mm (9.2 in) across 21 days. Additionally, October's humidity is marginally lower at 77%, compared to January's 81%. For more details, you can check out Koror weather in October.

In comparing the weather of January and November, we see only slight variations in temperature and precipitation patterns. January features minimum temperatures around 25°C (78°F) and an average of 27°C (81°F), while November maintains a slightly warmer range with a minimum of 26°C (79°F) and an average of 28°C (82°F). Precipitation is higher in November, with 278 mm (10.9 in) over 26 days, compared to January's 235 mm (9.2 in) across 21 days. The humidity remains relatively similar, with January experiencing 81% and November at 77%. For more information, you can visit Koror weather in November.

In comparison to December, January typically sees slightly cooler temperatures, with January experiencing a minimum of 25°C (78°F) compared to December’s 26°C (78°F). Both months have similar maximum temperatures, peaking at 29°C (84°F in January and 85°F in December). However, January receives significantly less precipitation, totaling 235 mm (9.2 in) over 21 days, while December records higher rainfall at 309 mm (12.2 in) over 28 days. Additionally, January has a higher humidity level of 81% compared to December’s 78%. For more detailed insights, you can check Koror weather in December.

Compare Koror's Climate with Cities Worldwide

Conclusion: What to Expect From January Weather in Koror

January in Koror is characterized by warm temperatures and a notable amount of rainfall, making it one of the wetter months of the year. With average highs reaching 29°C (84°F) and a consistent humidity level around 81%, the air feels quite tropical. Unlike the drier months that follow, January experiences significant precipitation over several days, contributing to its lush environments. Travelers can expect vibrant landscapes, though the frequent rain showers might lead to some indoor activities. For more detailed insights on Koror's weather patterns throughout the year, check out Koror Climate.