Climate for Station: Koror, Palau

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Ikelau

, Palau

2026-03-01 11:26

30.2°C

Feels 37°C

H: 29°C / L: 27.3°C

Precip: 0.07mm | Wind: 25.9 kph

▼ 1.8°C vs historical high

Overcast

2026-03-02

H: 28.9°C

L: 27.1°C

Rain: 89%

Rainfall: 11mm

Wind: 21.2kph

▼ 1.9°C

2026-03-03

H: 28.8°C

L: 27.4°C

Rain: 84%

Rainfall: 14.24mm

Wind: 21.2kph

▼ 2.0°C

2026-03-04

H: 28.4°C

L: 27.4°C

Rain: 88%

Rainfall: 7.53mm

Wind: 25.2kph

▼ 2.5°C

2026-03-05

H: 28.6°C

L: 27.4°C

Rain: 87%

Rainfall: 7.81mm

Wind: 24.8kph

▼ 2.3°C

2026-03-06

H: 28.4°C

L: 27°C

Rain: 80%

Rainfall: 4.48mm

Wind: 22kph

▼ 2.5°C

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Climate Analysis & Overview

Koror's climate profile reveals a nuanced interplay of cooling trends in high temperatures and slight warming in lows over the past decade. Precipitation has become more evenly distributed, offering a glimpse into the shifting dynamics of this tropical locale.

Tropical Climate Dynamics in Koror

Situated at latitude 7.34°N and longitude 134.48°E, Koror, Palau, is characterised by a tropical rainforest climate according to the Köppen classification. This classification suggests consistently warm temperatures and significant rainfall throughout the year. The island's geography, surrounded by the Pacific Ocean, plays a crucial role in moderating temperature fluctuations and influencing precipitation patterns.

Temperature Trends: A Decade of Cooling Highs

Over the past ten years, Koror has experienced a notable cooling trend in high temperatures, with a decrease of 1.90°C (3.42°F). This contrasts with a slight warming in low temperatures of 0.08°C (0.14°F). When we extend our view to the all-time trends, the cooling in highs is less pronounced, at 0.01°C (0.02°F), while lows have risen by 0.15°C (0.27°F). This suggests a complex interplay of factors affecting the region's thermal profile, where short-term cooling in highs may not fully align with long-term patterns.

Precipitation Patterns: Shifting Towards Even Distribution

The Precipitation Concentration Index (PCI) offers insights into how rainfall is distributed over time. Koror's PCI has decreased from a baseline of 10.80 to a current value of 9.12, indicating a more even distribution of rainfall events. For a region where precipitation is a critical factor, this shift towards more evenly distributed rainfall could have significant implications for water resource management and local agriculture.

Temperature Extremes: A Historical Perspective

Koror's temperature records provide a window into the extremes experienced in this tropical setting. The highest recorded temperature stands at 35.0°C (95.0°F), while the lowest dips to 20.6°C (69.1°F). These figures underscore the relatively narrow range of temperature variation typical of tropical climates, where proximity to the equator and oceanic influences maintain a stable thermal environment.

Regional Climate Goals and Future Implications

Palau, including Koror, is engaged in regional climate initiatives aimed at sustainability and resilience in the face of climate change. The observed trends in temperature and precipitation distribution are vital for informing these efforts. As the region adapts to these changes, understanding the localised impacts of global climate phenomena becomes increasingly crucial.

Station Statistics

10-Year Trend

High: -1.94 °C/decade

Low: +0.02 °C/decade

Rain: +2.44 mm/decade

25-Year Trend

High: -0.91 °C/decade

Low: +0.30 °C/decade

Rain: -0.29 mm/decade

50-Year Trend

High: -0.17 °C/decade

Low: +0.25 °C/decade

Rain: -0.09 mm/decade

All-Time Trend

High: -0.01 °C/decade

Low: +0.15 °C/decade

Rain: -0.07 mm/decade

Percentage Above-Average Days

Last 12 Months: 17.5%

This Year: 31.6%

Precipitation Concentration Index (PCI) ℹ️

Last 12 Months: 8.8

Historical Average: 10.9

Percentile Rank of Last 12 Months ℹ️

High: 8^th percentile

Low: 96^th percentile

Rain: 64^th percentile

Change in Variance ℹ️

High: +35.9%

Low: +43.6%

Intraday: +112.7%

Data Coverage

86.7%

First Year of Data

1949

Station Location

Historical Weather Records

	Max High	Avg High	Min High	Max Avg	Avg Avg	Min Avg	Max Low	Avg Low	Min Low	Max Precipitation	Avg Precipitation	Avg Snow
Record	35.0 °C	—	24.4 °C	30.4 °C	—	23.5 °C	29.4 °C	—	20.6 °C	348.5 mm	—	—
January	33.9 °C	30.7 °C	25.0 °C	29.1 °C	27.4 °C	23.6 °C	28.6 °C	24.2 °C	20.6 °C	348.5 mm	8.9 mm	0.0 mm
February	34.4 °C	30.6 °C	24.4 °C	29.1 °C	27.3 °C	24.0 °C	28.6 °C	24.1 °C	21.0 °C	200.7 mm	7.9 mm	0.0 mm
March	35.0 °C	31.1 °C	25.0 °C	29.4 °C	27.4 °C	24.4 °C	28.4 °C	24.2 °C	20.6 °C	156.7 mm	6.6 mm	0.0 mm
April	35.0 °C	31.4 °C	25.0 °C	29.5 °C	27.8 °C	23.5 °C	28.9 °C	24.6 °C	20.6 °C	305.8 mm	7.8 mm	0.0 mm
May	34.4 °C	31.4 °C	25.6 °C	29.7 °C	27.9 °C	23.7 °C	28.9 °C	24.7 °C	21.7 °C	208.3 mm	10.5 mm	0.0 mm
June	35.0 °C	31.0 °C	25.6 °C	29.7 °C	27.7 °C	23.8 °C	28.8 °C	24.4 °C	21.7 °C	203.5 mm	13.5 mm	0.0 mm
July	33.9 °C	30.6 °C	25.9 °C	30.4 °C	27.5 °C	24.1 °C	28.3 °C	24.3 °C	21.1 °C	208.5 mm	14.1 mm	0.0 mm
August	34.4 °C	30.6 °C	25.6 °C	30.3 °C	27.5 °C	23.5 °C	28.2 °C	24.5 °C	21.1 °C	193.0 mm	11.9 mm	0.0 mm
September	33.3 °C	30.8 °C	26.1 °C	29.6 °C	27.6 °C	24.2 °C	28.3 °C	24.6 °C	21.1 °C	141.0 mm	10.8 mm	0.0 mm
October	33.9 °C	31.1 °C	25.6 °C	29.7 °C	27.7 °C	24.0 °C	29.4 °C	24.6 °C	21.7 °C	157.0 mm	10.4 mm	0.0 mm
November	33.9 °C	31.4 °C	25.6 °C	29.5 °C	27.9 °C	24.5 °C	28.8 °C	24.6 °C	21.1 °C	179.8 mm	9.6 mm	0.0 mm
December	34.4 °C	31.0 °C	24.4 °C	29.4 °C	27.8 °C	23.9 °C	29.1 °C	24.4 °C	21.7 °C	191.8 mm	10.0 mm	0.0 mm