Koror in Spring
In spring (March, April and May), Koror sees average daytime highs around 28°C and overnight lows near 26°C, with 634 mm of rain over about 68 wet days across the season. It is the 3rd-warmest season and the driest season of the year.
Across spring, daytime highs hold fairly steady around 28°C. The sky is clear or mostly clear about 19% of the time across spring, and the air most often feels miserable.
Spring is Koror's best season of the year 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
- 3rd-warmest season
- Avg overnight low
- 26°C
- Rainfall
- 634 mm
- 68 wet days
- Avg wind
- 19 km/h
- Travel score
- 4.3
- best season of the year
- Months
- Mar · Apr · May
Temperature in Koror in Spring
Across spring, daytime highs hold fairly steady around 28°C.
A typical spring day in Koror reaches about 28°C and drops to 26°C overnight. The warmest of the three months is May, the coolest March.
How spring really feels in Koror
Once humidity and wind are folded in, spring brings about 58 days that feel above 32°C and 0 that feel at or below 0°C.
The story in spring is heat — humidity pushes the afternoon "feels like" well above the raw temperature.
Koror weather by month
How the three spring months (March, April and May) 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 Spring
The sky is clear or mostly clear about 19% of the time across spring.
Chance of precipitation in Spring
Koror gets around 634 mm of rain over 68 wet days across spring. The line is the day-by-day chance of measurable precipitation.
Humidity in Spring
Most of spring feels miserable — the stacked bands show each day's mix of comfort levels, read off the dew point.
Wind in Spring
Winds average 19 km/h across spring.
Sunrise & sunset in Spring
Daylight runs from about 11 h 48 min in early March to 12 h 24 min by late May. The lit band spans sunrise to sunset each day.
Solar energy in Spring
Average shortwave solar energy reaching the ground each day across spring, about 5.8 kWh/m².
Hazard calendar for Koror
In spring, 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 spring a good time to visit Koror?
Our two travel scores rate spring for general sightseeing and for beach or pool weather — 0 (poor) to 10 (ideal), averaged across the three months.
spring is a reasonable time to visit Koror for sightseeing.
What to pack for Koror in Spring
From spring's temperature range, rain chance, sun and wind — what's worth putting in the bag.
In spring, Koror sees daytime highs around 28°C and nights near 26°C. Pack light clothes and rain gear. Worth having: sun protection and a windbreaker. About 68 days see rain.
Sea temperature near Koror in Spring
The nearest coast averages about 29°C across spring — 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 Spring
Clear-sky midday UV across spring averages around 15 (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.