Gejiu, Yunnan Weather by Month and Climate Averages

Gejiu, Yunnan gets 833 mm of precipitation a year over about 117 rainy days. May is the warmest month (average high 28°C) and January the coldest (average low 9°C).

Gejiu climate at a glance

Subtropical monsoon climate

Gejiu, Yunnan has hot summers and mild winters. Daytime highs range from about 19°C in January to 28°C in June. July is usually the wettest month. The most comfortable time to visit is typically January to March and October to December, when daytime highs sit near 22°C.

How much rain does Gejiu get?

Gejiu gets 833 mm of precipitation in an average year, spread over about 117 days with measurable rain. That is more rainy days than 65% of China.

July is the wettest month, with 166 mm. February is the driest, with 16 mm. July has the most rainy days, about 18.

The longest dry spell in the last five years lasted 34 days, to February 2, 2023.

Gejiu weather by month

Gejiu weather in January

In January, Gejiu averages a high of 19°C and a low of 9°C. It gets 26 mm of precipitation over about 5 rainy days. The sun is out about 38% of daylight hours. The January record high is 29°C (2005) and the record low is -4°C (1974). January is one of the most comfortable months to visit.

Gejiu weather in February

In February, Gejiu averages a high of 22°C and a low of 11°C. It gets 16 mm of precipitation over about 4 rainy days. The sun is out about 41% of daylight hours. The February record high is 31°C (2013) and the record low is -1°C (2004). February is one of the most comfortable months to visit.

Gejiu weather in March

In March, Gejiu averages a high of 25°C and a low of 14°C. It gets 24 mm of precipitation over about 5 rainy days. The sun is out about 50% of daylight hours. The March record high is 33°C (1975) and the record low is -2°C (1986). March is one of the most comfortable months to visit.

Gejiu weather in April

In April, Gejiu averages a high of 28°C and a low of 17°C. It gets 52 mm of precipitation over about 9 rainy days. The sun is out about 52% of daylight hours. The April record high is 36°C (1983) and the record low is 4°C (1970).

Gejiu weather in May

In May, Gejiu averages a high of 28°C and a low of 19°C. It gets 94 mm of precipitation over about 12 rainy days. The sun is out about 36% of daylight hours. The May record high is 37°C (2023) and the record low is 10°C (1990).

Gejiu weather in June

In June, Gejiu averages a high of 28°C and a low of 21°C. It gets 112 mm of precipitation over about 15 rainy days. The sun is out about 10% of daylight hours. The June record high is 37°C (2023) and the record low is 12°C (1970).

Gejiu weather in July

In July, Gejiu averages a high of 28°C and a low of 21°C. It gets 166 mm of precipitation over about 18 rainy days. The sun is out about 16% of daylight hours. The July record high is 34°C (2024) and the record low is 13°C (1989).

Gejiu weather in August

In August, Gejiu averages a high of 28°C and a low of 20°C. It gets 142 mm of precipitation over about 18 rainy days. The sun is out about 14% of daylight hours. The August record high is 34°C (2020) and the record low is 12°C (1992).

Gejiu weather in September

In September, Gejiu averages a high of 27°C and a low of 18°C. It gets 87 mm of precipitation over about 13 rainy days. The sun is out about 24% of daylight hours. The September record high is 33°C (1992) and the record low is 8°C (1977).

Gejiu weather in October

In October, Gejiu averages a high of 24°C and a low of 16°C. It gets 57 mm of precipitation over about 9 rainy days. The sun is out about 32% of daylight hours. The October record high is 32°C (2023) and the record low is 3°C (1978). October is one of the most comfortable months to visit.

Gejiu weather in November

In November, Gejiu averages a high of 22°C and a low of 12°C. It gets 36 mm of precipitation over about 5 rainy days. The sun is out about 42% of daylight hours. The November record high is 29°C (2009) and the record low is 0°C (1992). November is one of the most comfortable months to visit.

Gejiu weather in December

In December, Gejiu averages a high of 19°C and a low of 9°C. It gets 21 mm of precipitation over about 4 rainy days. The sun is out about 27% of daylight hours. The December record high is 27°C (1976) and the record low is -3°C (1975). December is one of the most comfortable months to visit.

Sunshine, humidity and wind in Gejiu

April is the sunniest month in Gejiu, with sunshine about 52% of daylight hours. June is the cloudiest, at 10%. Over the year the sun shines about 32% of daylight hours. Gejiu is cloudier than 88% of China.

Humidity peaks in August at 84% and is lowest in April at 64%.

Gejiu has about 10 days a year above 32°C. Gejiu is cooler than 70% of China.

Gejiu weather records

The hottest temperature on record at the Gejiu station is 37°C, on May 31, 2023. The coldest is -4°C, on January 3, 1974.

The wettest day on record brought 123 mm of rain, on July 26, 1998.

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

The annual mean temperature has changed by +0.3°C per decade since 1970.

The best time to visit Gejiu

The most comfortable time to visit is typically January to March and October to December, when daytime highs sit near 22°C.

Winter (December–February) is mild, with average highs around 20°C and lows near 10°C.

Spring (March–May) is warm, with average highs around 27°C and lows near 17°C.

Summer (June–August) is hot, with average highs around 28°C and lows near 20°C. It can feel humid.

Autumn (September–November) is warm, with average highs around 24°C and lows near 16°C.

Monthly climate

MonthPrecipRain daysHumiditySunshineRecord highRecord low
January26 mm579%38%29°-4°
February16 mm474%41%31°-1°
March24 mm569%50%33°-2°
April52 mm964%52%36°
May94 mm1270%36%37°10°
June112 mm1578%10%37°12°
July166 mm1881%16%34°13°
August142 mm1884%14%34°12°
September87 mm1380%24%33°
October57 mm979%32%32°
November36 mm577%42%29°
December21 mm482%27%27°-3°

From ERA5 reanalysis. Sunshine is estimated from cloud cover.

Gejiu climate questions

How much rain does Gejiu get?

Gejiu gets 833 mm of precipitation in an average year, over about 117 rainy days.

What is the wettest month in Gejiu?

July is the wettest month in Gejiu, with 166 mm. February is the driest, with 16 mm.

How many rainy days does Gejiu have a year?

Gejiu has about 117 days with measurable rain in an average year. July has the most, about 18.

What is the hottest month in Gejiu?

May is the warmest month in Gejiu, with an average high of 28°C.

What is the coldest month in Gejiu?

January is the coldest month in Gejiu, with an average low of 9°C.

What is the record high temperature in Gejiu?

The record high at the Gejiu station is 37°C, set on May 31, 2023. The record low is -4°C, on January 3, 1974.

What is the sunniest month in Gejiu?

April is the sunniest month in Gejiu, with sunshine about 52% of daylight hours. June is the cloudiest.

What is the best time to visit Gejiu?

The most comfortable time to visit is typically January to March and October to December, when daytime highs sit near 22°C.

Source: NOAA GHCN-Daily station MENGZI (24 km away).

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Normals from NOAA GHCN-Daily station MENGZI.