Koror, Palau Climate & Monthly Averages
The climate of Koror
Located in Palau, Koror experiences a tropical rainforest climate with steady heat, high humidity and frequent downpours in every month. Afternoon temperatures peak near 85°F (29°C) in May and dip to about 83°F (28°C) in July, with around 154.7 inches (3930 mm) of precipitation falling across the year.
Climate quick facts
- Hottest month: May - highs near 85°F (29°C)
- Coldest month: July - highs near 83°F (28°C)
- Record high: 89°F (32°C) · Record low: 73°F (23°C) (2015–2024)
- Wettest month: July (28 rainy days) · Sunniest: March (10.3 h sun/day)
- Climate type: tropical rainforest - steady heat, high humidity and frequent downpours in every month
Temperatures through the year
The warmest stretch of the year centers on May. Highs average 85°F (29°C) and overnight lows stay near 78°F (26°C). The coolest month is July, with typical highs of 83°F (28°C) and lows around 77°F (25°C). Based on 2015–2024 weather data, temperatures have reached as high as 89°F (32°C) and dropped as low as 73°F (23°C).
Rain, sun and snow
July is usually the wettest month. It brings about 20.8 inches (527 mm) of rain over 28 days, while March is the driest. March brings the most sunshine, averaging 10.3 hours of sun a day.
Monthly climate table
| Month | High | Low | Rain days | Precipitation | Sunshine | Humidity |
|---|---|---|---|---|---|---|
| January | 83° | 78° | 25 | 10.1 in | 9.4 h/day | 84% |
| February | 83° | 78° | 21 | 8.1 in | 9.7 h/day | 82% |
| March | 84° | 78° | 22 | 6.6 in | 10.3 h/day | 82% |
| April | 85° | 78° | 24 | 9.9 in | 10.2 h/day | 83% |
| May | 85° | 78° | 27 | 12.2 in | 9.9 h/day | 86% |
| June | 84° | 78° | 29 | 16.1 in | 9.0 h/day | 87% |
| July | 83° | 77° | 28 | 20.8 in | 8.2 h/day | 87% |
| August | 84° | 78° | 28 | 16.2 in | 9.3 h/day | 85% |
| September | 84° | 78° | 27 | 14.8 in | 9.1 h/day | 85% |
| October | 84° | 78° | 28 | 15.1 in | 8.8 h/day | 85% |
| November | 84° | 78° | 28 | 11.7 in | 9.4 h/day | 86% |
| December | 84° | 78° | 28 | 13.1 in | 8.9 h/day | 85% |
Koror month by month
Koror weather in January
January brings highs around 83°F (29°C), lows near 78°F (25°C), about 25 wet days.
Koror weather in February
February brings highs around 83°F (29°C), lows near 78°F (25°C), about 21 wet days.
Koror weather in March
March brings highs around 84°F (29°C), lows near 78°F (25°C), about 22 wet days - typically the driest month and the sunniest month of the year in Koror.
Koror weather in April
April brings highs around 85°F (29°C), lows near 78°F (26°C), about 24 wet days.
Koror weather in May
May brings highs around 85°F (29°C), lows near 78°F (26°C), about 27 wet days - typically the hottest month of the year in Koror.
Koror weather in June
June brings highs around 84°F (29°C), lows near 78°F (25°C), about 29 wet days.
Koror weather in July
July brings highs around 83°F (28°C), lows near 77°F (25°C), about 28 wet days - typically the coldest month and the wettest month of the year in Koror.
Koror weather in August
August brings highs around 84°F (29°C), lows near 78°F (25°C), about 28 wet days.
Koror weather in September
September brings highs around 84°F (29°C), lows near 78°F (26°C), about 27 wet days.
Koror weather in October
October brings highs around 84°F (29°C), lows near 78°F (26°C), about 28 wet days.
Koror weather in November
November brings highs around 84°F (29°C), lows near 78°F (26°C), about 28 wet days.
Koror weather in December
December brings highs around 84°F (29°C), lows near 78°F (26°C), about 28 wet days.
Seasons in Koror
March through May
March through May in Koror is hot, with daytime highs averaging 84°F (29°C) and nights around 78°F (26°C); expect showers on roughly 74 days across the season. With the humidity factored in, afternoons often feel hotter than the thermometer reads - run the numbers through the humidity and dew point converter to see why.
June through August
June through August in Koror brings hot afternoons, with daytime highs averaging 84°F (29°C) and nights around 78°F (25°C); expect showers on roughly 86 days across the season.
September through November
September through November in Koror runs hot, with daytime highs averaging 84°F (29°C) and nights around 78°F (26°C); expect showers on roughly 83 days across the season.
December through February
December through February in Koror runs hot, with daytime highs averaging 84°F (29°C) and nights around 78°F (25°C); expect showers on roughly 74 days across the season.
Climate questions, answered
What is the average temperature in Koror?
Is Koror hot in summer?
Is Koror cold in winter?
How many rainy days does Koror get in a year?
Best time to visit Koror
The best time to visit Koror is generally January to March and June to August, when these months combine the driest skies with the most comfortable heat. Daytime temperatures in that window typically sit near 84°F (29°C).
Pack for Koror with a compact umbrella or rain shell - showers are a regular feature; moisture-wicking fabrics to cope with the humidity. Evenings can feel noticeably cooler than afternoons - May nights average 78°F (26°C).
Koror temperature records (2015-2024)
Derived from ERA5 reanalysis data, 2015–2024. Official station records may differ.