Shanwei, Guangdong Weather by Month and Climate Averages

Shanwei, Guangdong gets 1973 mm of precipitation a year over about 116 rainy days. July is the warmest month (average high 31°C) and January the coldest (average low 12°C).

Shanwei climate at a glance

Subtropical monsoon climate

Shanwei, Guangdong has hot summers and warm winters. Daytime highs range from about 19°C in January to 31°C in August. June is usually the wettest month. The most comfortable time to visit is typically January to April and November to December, when daytime highs sit near 22°C.

How much rain does Shanwei get?

Shanwei gets 1973 mm of precipitation in an average year, spread over about 116 days with measurable rain. That is more rainy days than 64% of China.

June is the wettest month, with 450 mm. December is the driest, with 27 mm. June has the most rainy days, about 17.

The longest dry spell in the last five years lasted 47 days, to March 24, 2023.

Shanwei weather by month

Shanwei weather in January

In January, Shanwei averages a high of 19°C and a low of 12°C. It gets 37 mm of precipitation over about 5 rainy days. The sun is out about 53% of daylight hours. The January record high is 28°C (2008) and the record low is 2°C (2016). January is one of the most comfortable months to visit.

Shanwei weather in February

In February, Shanwei averages a high of 20°C and a low of 13°C. It gets 39 mm of precipitation over about 7 rainy days. The sun is out about 44% of daylight hours. The February record high is 29°C (2023) and the record low is 2°C (1974). February is one of the most comfortable months to visit.

Shanwei weather in March

In March, Shanwei averages a high of 22°C and a low of 16°C. It gets 74 mm of precipitation over about 9 rainy days. The sun is out about 38% of daylight hours. The March record high is 32°C (2024) and the record low is 4°C (1986). March is one of the most comfortable months to visit.

Shanwei weather in April

In April, Shanwei averages a high of 25°C and a low of 19°C. It gets 144 mm of precipitation over about 11 rainy days. The sun is out about 36% of daylight hours. The April record high is 32°C (2015) and the record low is 9°C (1996). April is one of the most comfortable months to visit.

Shanwei weather in May

In May, Shanwei averages a high of 28°C and a low of 23°C. It gets 270 mm of precipitation over about 13 rainy days. The sun is out about 25% of daylight hours. The May record high is 33°C (2020) and the record low is 14°C (1984).

Shanwei weather in June

In June, Shanwei averages a high of 30°C and a low of 26°C. It gets 450 mm of precipitation over about 17 rainy days. The sun is out about 12% of daylight hours. The June record high is 36°C (1985) and the record low is 18°C (2010).

Shanwei weather in July

In July, Shanwei averages a high of 31°C and a low of 26°C. It gets 307 mm of precipitation over about 17 rainy days. The sun is out about 31% of daylight hours. The July record high is 38°C (1982) and the record low is 22°C (1992).

Shanwei weather in August

In August, Shanwei averages a high of 31°C and a low of 26°C. It gets 345 mm of precipitation over about 15 rainy days. The sun is out about 25% of daylight hours. The August record high is 37°C (2015) and the record low is 18°C (1979).

Shanwei weather in September

In September, Shanwei averages a high of 31°C and a low of 25°C. It gets 200 mm of precipitation over about 10 rainy days. The sun is out about 40% of daylight hours. The September record high is 36°C (2020) and the record low is 18°C (1997).

Shanwei weather in October

In October, Shanwei averages a high of 29°C and a low of 22°C. It gets 50 mm of precipitation over about 4 rainy days. The sun is out about 42% of daylight hours. The October record high is 36°C (2024) and the record low is 9°C (1978).

Shanwei weather in November

In November, Shanwei averages a high of 26°C and a low of 18°C. It gets 30 mm of precipitation over about 4 rainy days. The sun is out about 53% of daylight hours. The November record high is 33°C (2003) and the record low is 6°C (1975). November is one of the most comfortable months to visit.

Shanwei weather in December

In December, Shanwei averages a high of 22°C and a low of 14°C. It gets 27 mm of precipitation over about 5 rainy days. The sun is out about 50% of daylight hours. The December record high is 29°C (2001) and the record low is 2°C (1991). December is one of the most comfortable months to visit.

Sunshine, humidity and wind in Shanwei

January is the sunniest month in Shanwei, with sunshine about 53% of daylight hours. June is the cloudiest, at 12%. Over the year the sun shines about 37% of daylight hours. Shanwei is cloudier than 71% of China.

Humidity peaks in June at 87% and is lowest in December at 67%.

Shanwei has about 26 days a year above 32°C. Shanwei is cooler than 52% of China.

Shanwei weather records

The hottest temperature on record at the Shanwei station is 38°C, on July 29, 1982. The coldest is 2°C, on December 29, 1991.

The wettest day on record brought 476 mm of rain, on June 18, 1983.

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 Shanwei

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

Winter (December–February) is warm, with average highs around 20°C and lows near 13°C.

Spring (March–May) is warm, with average highs around 25°C and lows near 20°C.

Summer (June–August) is hot, with average highs around 31°C and lows near 26°C. It can feel humid.

Autumn (September–November) is hot, with average highs around 28°C and lows near 22°C.

Monthly climate

MonthPrecipRain daysHumiditySunshineSea tempRecord highRecord low
January37 mm571%53%-8°28°
February39 mm777%44%-7°29°
March74 mm980%38%-6°32°
April144 mm1181%36%-5°32°
May270 mm1385%25%-3°33°14°
June450 mm1787%12%-2°36°18°
July307 mm1784%31%-1°38°22°
August345 mm1586%25%-2°37°18°
September200 mm1082%40%-2°36°18°
October50 mm474%42%-3°36°
November30 mm474%53%-4°33°
December27 mm567%50%-7°29°

From ERA5 reanalysis. Sunshine is estimated from cloud cover.

Shanwei climate questions

How much rain does Shanwei get?

Shanwei gets 1973 mm of precipitation in an average year, over about 116 rainy days.

What is the wettest month in Shanwei?

June is the wettest month in Shanwei, with 450 mm. December is the driest, with 27 mm.

How many rainy days does Shanwei have a year?

Shanwei has about 116 days with measurable rain in an average year. June has the most, about 17.

What is the hottest month in Shanwei?

July is the warmest month in Shanwei, with an average high of 31°C.

What is the coldest month in Shanwei?

January is the coldest month in Shanwei, with an average low of 12°C.

What is the record high temperature in Shanwei?

The record high at the Shanwei station is 38°C, set on July 29, 1982. The record low is 2°C, on December 29, 1991.

What is the sunniest month in Shanwei?

January is the sunniest month in Shanwei, with sunshine about 53% of daylight hours. June is the cloudiest.

What is the best time to visit Shanwei?

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

Source: NOAA GHCN-Daily station SHANWEI (2 km away).

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Normals from NOAA GHCN-Daily station SHANWEI.