Koror in Fall
In fall (September, October and November), Koror sees average daytime highs around 28°C and overnight lows near 26°C, with 795 mm of rain over about 75 wet days across the season. It is the warmest season of the year and the 2nd-wettest season.
Across fall, daytime highs hold fairly steady around 28°C. The sky is clear or mostly clear about 14% of the time across fall, and the air most often feels miserable.
Fall is Koror's 3rd-best season to visit on our travel score. Koror has little temperature swing across the year, so its calendar seasons blur — the season framing matters less here than for a place with four distinct seasons. For the whole year in context, see Koror's year-round climate.
- Avg daytime high
- 28°C
- warmest season of the year
- Avg overnight low
- 26°C
- Rainfall
- 795 mm
- 75 wet days
- Avg wind
- 17 km/h
- Travel score
- 3.8
- 3rd-best season
- Months
- Sep · Oct · Nov
Temperature in Koror in Fall
Across fall, daytime highs hold fairly steady around 28°C.
A typical fall day in Koror reaches about 28°C and drops to 26°C overnight. The warmest of the three months is November, the coolest September.
How fall really feels in Koror
Once humidity and wind are folded in, fall brings about 83 days that feel above 32°C and 0 that feel at or below 0°C.
The story in fall is heat — humidity pushes the afternoon "feels like" well above the raw temperature.
Koror weather by month
How the three fall months (September, October and November) compare with the rest of the year — the season's months are highlighted.
| Month | High / Low (°C) | Rainfall (mm) | Wet days | Daylight (hours) | Travel score |
|---|---|---|---|---|---|
| Jan | 28° / 26° | 239 | 22.9 | 11.6 | 4.4 |
| Feb | 28° / 26° | 218 | 19.2 | 11.8 | 4.7 |
| Mar | 28° / 26° | 158 | 19.5 | 12 | 4.9 |
| Apr | 28° / 26° | 186 | 21.3 | 12.2 | 4.5 |
| May | 28° / 26° | 291 | 26.7 | 12.3 | 3.6 |
| Jun | 28° / 26° | 347 | 27.8 | 12.4 | 3.4 |
| Jul | 28° / 26° | 337 | 26.8 | 12.4 | 3.7 |
| Aug | 28° / 26° | 270 | 25.1 | 12.2 | 4.0 |
| Sep | 28° / 26° | 270 | 24.2 | 12 | 3.9 |
| Oct | 28° / 26° | 258 | 25 | 11.8 | 3.8 |
| Nov | 28° / 26° | 267 | 26 | 11.7 | 3.6 |
| Dec | 28° / 26° | 281 | 26.6 | 11.6 | 3.7 |
Cloud cover in Fall
The sky is clear or mostly clear about 14% of the time across fall.
Chance of precipitation in Fall
Koror gets around 795 mm of rain over 75 wet days across fall. The line is the day-by-day chance of measurable precipitation.
Humidity in Fall
Most of fall feels miserable — the stacked bands show each day's mix of comfort levels, read off the dew point.
Wind in Fall
Winds average 17 km/h across fall.
Sunrise & sunset in Fall
Daylight runs from about 12 h 06 min in early September to 11 h 36 min by late November. The lit band spans sunrise to sunset each day.
Solar energy in Fall
Average shortwave solar energy reaching the ground each day across fall, about 5.2 kWh/m².
Hazard calendar for Koror
In fall, Koror overlaps its pacific typhoon season. The full year is below, with each hazard's peak months called out.
Koror sits in the Pacific typhoon belt; the season peaks July–October.
Is fall a good time to visit Koror?
Our two travel scores rate fall for general sightseeing and for beach or pool weather — 0 (poor) to 10 (ideal), averaged across the three months.
fall is a weaker month for outdoor sightseeing in Koror.
What to pack for Koror in Fall
From fall's temperature range, rain chance, sun and wind — what's worth putting in the bag.
In fall, Koror sees daytime highs around 28°C and nights near 26°C. Pack light clothes and rain gear. Worth having: sun protection. About 75 days see rain.
Sea temperature near Koror in Fall
The nearest coast averages about 29°C across fall — the other half of the beach question. The full-year curve and swim-comfort zones are below.
The sea offshore is warmest in June at about 30°C and coldest in February near 28°C.
The water stays above 20°C all year — warm enough for a swim any month.
| Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Sea temperature (°C) | 28 | 28 | 28 | 29 | 29 | 30 | 29 | 29 | 29 | 29 | 29 | 29 |
| Comfort | Tropical | Tropical | Tropical | Tropical | Tropical | Tropical | Tropical | Tropical | Tropical | Tropical | Tropical | Tropical |
| Sea temperature (°C) | Comfort | |
|---|---|---|
| Jan | 28 | Tropical |
| Feb | 28 | Tropical |
| Mar | 28 | Tropical |
| Apr | 29 | Tropical |
| May | 29 | Tropical |
| Jun | 30 | Tropical |
| Jul | 29 | Tropical |
| Aug | 29 | Tropical |
| Sep | 29 | Tropical |
| Oct | 29 | Tropical |
| Nov | 29 | Tropical |
| Dec | 29 | Tropical |
UV index in Koror in Fall
Clear-sky midday UV across fall averages around 12 (very high — sun protection essential). The full-year curve, shaded by WHO exposure level, is below.
Under clear skies, the midday UV index in Koror peaks around March 24 at about 15 (extreme) — sunscreen, a hat and midday shade are essential. It bottoms out near December 13 at about 11 (extreme).
The index reaches 3 or more — the level where the WHO recommends sun protection — every month of the year.
| Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| UV index (midday) | 12 | 14 | 15 | 15 | 14 | 12 | 13 | 14 | 12 | 14 | 11 | 11 |
| Level | Extreme | Extreme | Extreme | Extreme | Extreme | Extreme | Extreme | Extreme | Extreme | Extreme | Extreme | Extreme |
| UV index (midday) | Level | |
|---|---|---|
| Jan | 12 | Extreme |
| Feb | 14 | Extreme |
| Mar | 15 | Extreme |
| Apr | 15 | Extreme |
| May | 14 | Extreme |
| Jun | 12 | Extreme |
| Jul | 13 | Extreme |
| Aug | 14 | Extreme |
| Sep | 12 | Extreme |
| Oct | 14 | Extreme |
| Nov | 11 | Extreme |
| Dec | 11 | Extreme |
Where is Koror?
Koror sits at 7.3°N, 134.5°E, 0 m above sea level, in Palau. The nearest listed city is Ngerulmud, 24 km away.
Topography around Koror
How much the land rises and falls, and what covers it, within 3, 16 and 80 km of Koror.
Within 3 km, the terrain around Koror has only modest variations in elevation — a maximum elevation change of 155 m around an average of 9 m above sea level; within 16 km, only modest variations in elevation — a maximum elevation change of 205 m; within 80 km, only modest variations in elevation — a maximum elevation change of 224 m.
The land around Koror is covered by water (67%) and trees (22%) within 3 km, water (79%) within 16 km, and water (96%) within 80 km.
Palau travel facts
- Travel advisory
- Level 1
- Exercise Normal Precautions
- Power plugs
- Type A / B
- 120 V · 60 Hz
- Prices
- ≈ 85% of US
- price level, 2025
- GDP per capita
- $19,532
- 2025
- Safe drinking water
- 91%
- of population, 2024
- Homicide rate
- 11.2
- per 100k, 2018
- Road deaths
- 4.8
- per 100k/yr, 2013
- Income group
- High
- World Bank
- Religion
Sources: World Bank, US State Department, World Happiness Report, WHO/UNICEF, EF EPI, CIA World Factbook.
Data sources
Temperature, precipitation, cloud, humidity, wind and solar figures are a 1991–2020 climatology for Koror (7.3398°, 134.4733°, elevation 0 m), computed from hourly ERA5 reanalysis — contains modified Copernicus Climate Change Service information. Sun figures are astronomical calculations, not observations. City data © GeoNames, CC BY 4.0. Map outlines from Natural Earth (public domain); interactive map © Google.