Koror weather in August

In August, Koror sees average daytime highs of 28°C and overnight lows near 26°C, with 270 mm of rain across 25.1 wet days and about 12.2 hours of daylight. It is the 8th-warmest and 5th-wettest month of the year here.

Day-to-day highs hold fairly steady near 28°C through the month. The sky is clear or mostly clear about 9% of the time in August, and the air most often feels oppressive.

Daylight stretches from about 12 h 18 min at the start of August to 12 h 06 min by month's end. Set against the rest of the year, August is Koror's 10th-clearest and 6th-windiest month. For the whole year in context, see Koror's year-round climate.

Daytime high
28°
8th warmest
Overnight low
26°
6th coldest
Rainfall
270 mm
25.1 wet days
Daylight
12 h 12 min
5:59 AM – 6:13 PM
Cloud cover
79%
10th clearest
Wind
18 km/h
6th windiest
Solar energy
5.28 kWh/m²
Travel score
4.0
out of 10

Koror is city and former capital of Palau.

Founded
1866

Air quality: WHO Ambient Air Quality Database. Density & description: Wikidata (CC0), GeoNames.

Temperature in August

Average highAverage lowShaded bands: 10–90% of days

Day-to-day highs hold fairly steady near 28°C through the month.

A typical August day in Koror reaches about 28°C in the afternoon and slips back to 26°C overnight — a 2°C spread between the day's warmth and the night's chill. On most days the high lands between 27°C and 29°C. Set against its neighbours, August runs on par with July and on par with September.

24°26°28°30°32°151015202531
Avg high (°C)Avg low (°C)
12826
22826
32826
42826
52826
62826
72826
82826
92826
102826
112826
122826
132826
142826
152826
162826
172826
182826
192826
202826
212826
222826
232826
242826
252826
262826
272826
282826
292826
302826
312826

How August really feels in Koror

Once humidity and wind are folded in, August averages 3 days that feel above 32°C and 0 that feel at or below 0°C — the comfort signal a plain temperature reading hides.

Days feeling ≥ 32°C
3
heat index over the day's high
Days feeling ≤ C
0
wind chill below the day's low

The story in August is heat — humidity pushes the afternoon "feels like" well above the raw temperature.

Koror weather by month

How August compares with the rest of the year at a glance. August is the 8th-warmest and 5th-wettest month here — the current month is highlighted below.

MonthHigh / Low (°C)Rainfall (mm)Wet daysDaylight (hours)Travel score
Jan28° / 26°23922.911.64.4
Feb28° / 26°21819.211.84.7
Mar28° / 26°15819.5124.9
Apr28° / 26°18621.312.24.5
May28° / 26°29126.712.33.6
Jun28° / 26°34727.812.43.4
Jul28° / 26°33726.812.43.7
Aug28° / 26°27025.112.24.0
Sep28° / 26°27024.2123.9
Oct28° / 26°2582511.83.8
Nov28° / 26°2672611.73.6
Dec28° / 26°28126.611.63.7

Cloud cover in August

ClearMostly clearPartly cloudyMostly cloudyOvercast

The sky is clear or mostly clear about 9% of the time in August.

Beyond those clear spells, partly cloudy skies cover about 12% of August, with mostly cloudy or overcast conditions the remaining 79%.

0%25%50%75%100%151015202531
Clearer (%)Cloudier (%)
11486
21486
31585
41684
51684
61783
71882
81981
91981
102080
112080
122278
132278
142377
152377
162278
172278
182377
192377
202377
212377
222476
232476
242476
252476
262476
272476
282476
292476
302476
312575

Chance of precipitation in August

Any precipitation

Koror gets around 270 mm of rain over 25.1 wet days in August. The line is the day-by-day chance of measurable precipitation.

Day to day, the chance of measurable rain averages around 81% and peaks near 85% on the wettest days.

0%20%40%60%80%100%151015202531
Rain chance (%)
185
284
383
483
582
682
781
881
981
1081
1181
1280
1380
1480
1581
1681
1781
1881
1981
2081
2181
2281
2381
2481
2581
2681
2781
2880
2981
3081
3181

Humidity in August

DryComfortableHumidMuggyOppressiveMiserable

Most of August feels oppressive — the stacked bands show each day's mix of comfort levels, read off the dew point.

By dew point, August lands in the oppressive band about 56% of days. Sticky, muggy-or-worse air turns up on roughly 100% of them.

0%25%50%75%100%151015202531
Oppressive (%)Miserable (%)
14555
24654
34753
44951
55050
65149
75347
85446
95545
105644
115743
125842
135941
145941
155941
166040
176040
186040
196040
205941
215941
225941
235842
245842
255842
265842
275842
285842
295842
305842
315842

Wind in August

Winds average 18 km/h in August.

Across August, daily wind ranges from about 17 km/h on the calmest days to 19 km/h at its breeziest. It stays fairly steady from day to day.

0510152025151015202531
Wind speed (km/h)Feels
119light breeze
219light breeze
319light breeze
419light breeze
519light breeze
619light breeze
719light breeze
819light breeze
919light breeze
1019light breeze
1119light breeze
1218light breeze
1318light breeze
1418light breeze
1518light breeze
1618light breeze
1718light breeze
1818light breeze
1918light breeze
2018light breeze
2118light breeze
2217light breeze
2317light breeze
2417light breeze
2517light breeze
2617light breeze
2717light breeze
2817light breeze
2917light breeze
3017light breeze
3117light breeze

Sunrise & sunset in August

DaylightNight

Daylight runs from about 12 h 18 min at the start of August to 12 h 06 min by month's end. The lit band spans sunrise to sunset each day.

Days shrink by about 12 minutes over August. Sunrise moves from 5:58 AM to 5:58 AM, and sunset from 6:18 PM to 6:07 PM.

12 AM4 AM8 AM12 PM4 PM8 PM12 AM151015202531
Daylight (h)Sunrise (AM)Sunset (PM)
112.35:586:18
212.35:596:18
312.35:596:17
412.35:596:17
512.35:596:17
612.35:596:17
712.35:596:16
812.35:596:16
912.35:596:16
1012.35:596:16
1112.35:596:15
1212.35:596:15
1312.35:596:15
1412.35:596:14
1512.25:596:14
1612.25:596:13
1712.25:596:13
1812.25:596:13
1912.25:596:12
2012.25:596:12
2112.25:596:11
2212.25:596:11
2312.25:596:11
2412.25:586:10
2512.25:586:10
2612.25:586:09
2712.25:586:09
2812.25:586:08
2912.25:586:08
3012.25:586:07
3112.15:586:07

Solar energy in August

Daily solar energy (kWh/m²)

Average shortwave solar energy reaching the ground each day in August, about 5.28 kWh/m².

For context, solar energy here swings from a low near 4.67 kWh/m² to a high of 5.97 kWh/m² in April across the year — August's 5.28 kWh/m² falls in the middle.

0246151015202531
Solar energy (kWh/m²)Level
15.0Bright
25.0Bright
35.0Bright
45.0Bright
55.0Bright
65.1Bright
75.1Bright
85.1Bright
95.1Bright
105.2Bright
115.2Bright
125.2Bright
135.2Bright
145.3Bright
155.3Bright
165.3Bright
175.3Bright
185.3Bright
195.4Bright
205.4Bright
215.4Bright
225.4Bright
235.4Bright
245.5Bright
255.5Bright
265.5Bright
275.5Bright
285.5Bright
295.5Bright
305.5Bright
315.5Bright
Planning a trip in August

Hazard calendar for Koror

In seasonPeak

In August, Koror sits inside 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.

Pacific typhoon
Jan
Feb
Mar
Apr
May
Jun
Jul
Aug
Sep
Oct
Nov
Dec

Is August a good time to visit Koror?

Our two travel scores rate August for general sightseeing and for beach or pool weather — 0 (poor) to 10 (ideal).

4.0
Sightseeing
5th-best month of the year
4.3
Beach & pool
7th-best month of the year

August is a reasonable time to visit Koror for sightseeing.

What to pack for Koror in August

From August's temperature range, rain chance, sun and wind — what's worth putting in the bag.

In August, Koror sees daytime highs around 28°C and nights near 26°C. Pack light clothes and rain gear. Worth having: sun protection. About 25 days see rain.

light clothesrain gearsun protection

Sea temperature near Koror in August

The nearest coast averages about 29°C in August — 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.

26°28°30°JanFebMarAprMayJunJulAugSepOctNovDecwarmtropicalcomfortable to swim
Sea temperature (°C)Comfort
Jan28Tropical
Feb28Tropical
Mar28Tropical
Apr29Tropical
May29Tropical
Jun30Tropical
Jul29Tropical
Aug29Tropical
Sep29Tropical
Oct29Tropical
Nov29Tropical
Dec29Tropical

UV index in Koror in August

LowModerateHighVery highExtreme

Clear-sky midday UV in August peaks around 14 (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.

025710JanFebMarAprMayJunJulAugSepOctNovDecExtremeMar 24UV 15Dec 13UV 11
UV index (midday)Level
Jan12Extreme
Feb14Extreme
Mar15Extreme
Apr15Extreme
May14Extreme
Jun12Extreme
Jul13Extreme
Aug14Extreme
Sep12Extreme
Oct14Extreme
Nov11Extreme
Dec11Extreme
Location & terrain

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.

Ngerulmud

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.

3 km
155 m
16 km
205 m
80 km
224 m
treesgrasslandartificial surfaceswatermangroves
August weather nearby: Ngerulmud 24 km · Manay 875 km · Daruba 903 km · Hinatuan 904 km · Bislig 904 km · Mati 912 km · Manokwari 913 km · Tagbina 923 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
Roman Catholic 47%Protestant 31%other 12%Modekngei 5%

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. Tropical-cyclone seasons are the published climatological basin seasons (NOAA National Hurricane Center / regional warning centres). Sea temperatures are the NOAA OISST v2.1 1991–2020 monthly climatology (public domain), sampled at the nearest ocean point. UV index is derived from CAMS (Copernicus Atmosphere Monitoring Service) clear-sky UV data — contains modified Copernicus Atmosphere Monitoring Service information. Topography is sampled from the Copernicus DEM GLO-90 elevation model (© ESA/Airbus) and ESA WorldCover 2021 land cover (CC BY 4.0).