Geoje, Gyeongsangnam-do Weather by Month and Climate Averages

Geoje, Gyeongsangnam-do gets 2183 mm of precipitation a year over about 101 rainy days. August is the warmest month (average high 30°C) and January the coldest (average low 2°C).

Geoje climate at a glance

Humid subtropical climate

Geoje, Gyeongsangnam-do has warm summers and chilly winters. Daytime highs range from about 9°C in January to 30°C in August. July is usually the wettest month. The most comfortable time to visit is typically April to June and September to November, when daytime highs sit near 22°C.

How much rain does Geoje get?

Geoje gets 2183 mm of precipitation in an average year, spread over about 101 days with measurable rain. That is fewer rainy days than 73% of Japan.

July is the wettest month, with 349 mm. December is the driest, with 65 mm. July has the most rainy days, about 13.

The longest dry spell in the last five years lasted 20 days, to February 12, 2022.

Geoje weather by month

Geoje weather in January

In January, Geoje averages a high of 9°C and a low of 2°C. It gets 77 mm of precipitation over about 7 rainy days. The sun is out about 53% of daylight hours. The January record high is 19°C (2020) and the record low is -7°C (1970).

Geoje weather in February

In February, Geoje averages a high of 11°C and a low of 2°C. It gets 87 mm of precipitation over about 7 rainy days. The sun is out about 46% of daylight hours. The February record high is 20°C (1979) and the record low is -7°C (1977).

Geoje weather in March

In March, Geoje averages a high of 14°C and a low of 6°C. It gets 153 mm of precipitation over about 8 rainy days. The sun is out about 47% of daylight hours. The March record high is 23°C (1998) and the record low is -5°C (1977).

Geoje weather in April

In April, Geoje averages a high of 18°C and a low of 9°C. It gets 196 mm of precipitation over about 8 rainy days. The sun is out about 45% of daylight hours. The April record high is 28°C (1983) and the record low is -1°C (1972). April is one of the most comfortable months to visit.

Geoje weather in May

In May, Geoje averages a high of 22°C and a low of 14°C. It gets 240 mm of precipitation over about 8 rainy days. The sun is out about 42% of daylight hours. The May record high is 32°C (1979) and the record low is 6°C (1980). May is one of the most comfortable months to visit.

Geoje weather in June

In June, Geoje averages a high of 24°C and a low of 18°C. It gets 278 mm of precipitation over about 11 rainy days. The sun is out about 33% of daylight hours. The June record high is 32°C (2025) and the record low is 9°C (1981). June is one of the most comfortable months to visit.

Geoje weather in July

In July, Geoje averages a high of 28°C and a low of 23°C. It gets 349 mm of precipitation over about 13 rainy days. The sun is out about 28% of daylight hours. The July record high is 37°C (2018) and the record low is 14°C (2026).

Geoje weather in August

In August, Geoje averages a high of 30°C and a low of 24°C. It gets 304 mm of precipitation over about 11 rainy days. The sun is out about 42% of daylight hours. The August record high is 37°C (2016) and the record low is 17°C (1974).

Geoje weather in September

In September, Geoje averages a high of 27°C and a low of 20°C. It gets 232 mm of precipitation over about 10 rainy days. The sun is out about 38% of daylight hours. The September record high is 33°C (1994) and the record low is 9°C (1987). September is one of the most comfortable months to visit.

Geoje weather in October

In October, Geoje averages a high of 22°C and a low of 15°C. It gets 106 mm of precipitation over about 5 rainy days. The sun is out about 52% of daylight hours. The October record high is 28°C (1999) and the record low is 4°C (1970). October is one of the most comfortable months to visit.

Geoje weather in November

In November, Geoje averages a high of 17°C and a low of 9°C. It gets 97 mm of precipitation over about 7 rainy days. The sun is out about 63% of daylight hours. The November record high is 27°C (1979) and the record low is -2°C (1970). November is one of the most comfortable months to visit.

Geoje weather in December

In December, Geoje averages a high of 12°C and a low of 4°C. It gets 65 mm of precipitation over about 7 rainy days. The sun is out about 61% of daylight hours. The December record high is 22°C (2018) and the record low is -6°C (1976).

Sunshine, humidity and wind in Geoje

November is the sunniest month in Geoje, with sunshine about 63% of daylight hours. July is the cloudiest, at 28%. Over the year the sun shines about 46% of daylight hours. Geoje is sunnier than 99% of Japan.

Humidity peaks in July at 92% and is lowest in January at 61%.

Geoje has about 10 days a year above 32°C. Geoje is cooler than 72% of Japan.

First and last freeze in Geoje

The first fall freeze in Geoje typically comes around December 16, and the last spring freeze around March 2. That leaves a frost-free growing season of about 289 days.

Geoje weather records

The hottest temperature on record at the Geoje station is 37°C, on July 26, 2018. The coldest is -7°C, on February 16, 1977.

The wettest day on record brought 344 mm of rain, on June 23, 1985.

38 all-time records have been set at the station since 1970.

The best time to visit Geoje

The most comfortable time to visit is typically April to June and September to November, when daytime highs sit near 22°C.

Winter (December–February) is chilly, with average highs around 10°C and lows near 3°C.

Spring (March–May) is mild, with average highs around 18°C and lows near 10°C.

Summer (June–August) is warm, with average highs around 28°C and lows near 22°C. It can feel humid.

Autumn (September–November) is warm, with average highs around 22°C and lows near 15°C.

Monthly climate

MonthPrecipRain daysHumiditySunshineSea tempRecord highRecord low
January77 mm761%53%-10°19°-7°
February87 mm763%46%-11°20°-7°
March153 mm869%47%-11°23°-5°
April196 mm874%45%-9°28°-1°
May240 mm882%42%-9°32°
June278 mm1189%33%-7°32°
July349 mm1392%28%-4°37°14°
August304 mm1186%42%-3°37°17°
September232 mm1078%38%-4°33°
October106 mm566%52%-6°28°
November97 mm763%63%-8°27°-2°
December65 mm761%61%-9°22°-6°

From ERA5 reanalysis. Sunshine is estimated from cloud cover.

Geoje climate questions

How much rain does Geoje get?

Geoje gets 2183 mm of precipitation in an average year, over about 101 rainy days.

What is the wettest month in Geoje?

July is the wettest month in Geoje, with 349 mm. December is the driest, with 65 mm.

How many rainy days does Geoje have a year?

Geoje has about 101 days with measurable rain in an average year. July has the most, about 13.

What is the hottest month in Geoje?

August is the warmest month in Geoje, with an average high of 30°C.

What is the coldest month in Geoje?

January is the coldest month in Geoje, with an average low of 2°C.

What is the record high temperature in Geoje?

The record high at the Geoje station is 37°C, set on July 26, 2018. The record low is -7°C, on February 16, 1977.

What is the sunniest month in Geoje?

November is the sunniest month in Geoje, with sunshine about 63% of daylight hours. July is the cloudiest.

When is the first frost in Geoje?

The first fall freeze in Geoje typically comes around December 16. The last spring freeze is around March 2.

What is the best time to visit Geoje?

The most comfortable time to visit is typically April to June and September to November, when daytime highs sit near 22°C.

Source: NOAA GHCN-Daily station IZUHARA (87 km away).

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Normals from NOAA GHCN-Daily station IZUHARA.