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Donghai, Guangdong Weather by Month and Climate Averages
Monthly normals · Rain · Snow
Sunshine · Freeze dates · Records · Best time to visit
What is the weather like in Donghai, Guangdong?
Donghai, 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).
Subtropical monsoon climate
Donghai, 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.
| Season | Months | Avg low | Avg high |
|---|---|---|---|
| Winter | Dec–Feb | 13° | 21° |
| Spring | Mar–May | 19° | 25° |
| Summer | Jun–Aug | 26° | 31° |
| Autumn | Sep–Nov | 22° | 28° |
How much rain does Donghai get?
Donghai 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.
From October 2025 to September 2026 Donghai got 553 mm of rain, against a normal of 1973 mm for those months. July 2026 had the most, with 342 mm.
Donghai weather by month
Donghai weather in January
In January, Donghai averages a high of 19°C and a low of 12°C. It gets 37 mm of precipitation over about 5 rainy days. Estimated sunshine is 55% of daylight hours, derived from ERA5 cloud cover. 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.
Donghai weather in February
In February, Donghai averages a high of 20°C and a low of 13°C. It gets 39 mm of precipitation over about 7 rainy days. Estimated sunshine is 45% of daylight hours, derived from ERA5 cloud cover. 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.
Donghai weather in March
In March, Donghai averages a high of 22°C and a low of 16°C. It gets 74 mm of precipitation over about 9 rainy days. Estimated sunshine is 39% of daylight hours, derived from ERA5 cloud cover. 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.
Donghai weather in April
In April, Donghai averages a high of 25°C and a low of 19°C. It gets 144 mm of precipitation over about 11 rainy days. Estimated sunshine is 34% of daylight hours, derived from ERA5 cloud cover. 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.
Donghai weather in May
In May, Donghai averages a high of 28°C and a low of 23°C. It gets 270 mm of precipitation over about 13 rainy days. Estimated sunshine is 22% of daylight hours, derived from ERA5 cloud cover. The May record high is 33°C (2020) and the record low is 14°C (1984).
Donghai weather in June
In June, Donghai averages a high of 30°C and a low of 26°C. It gets 450 mm of precipitation over about 17 rainy days. Estimated sunshine is 11% of daylight hours, derived from ERA5 cloud cover. The June record high is 36°C (1985) and the record low is 18°C (2010).
Donghai weather in July
In July, Donghai averages a high of 31°C and a low of 26°C. It gets 307 mm of precipitation over about 17 rainy days. Estimated sunshine is 28% of daylight hours, derived from ERA5 cloud cover. The July record high is 38°C (1982) and the record low is 22°C (1992).
Donghai weather in August
In August, Donghai averages a high of 31°C and a low of 26°C. It gets 345 mm of precipitation over about 15 rainy days. Estimated sunshine is 23% of daylight hours, derived from ERA5 cloud cover. The August record high is 37°C (2015) and the record low is 18°C (1979).
Donghai weather in September
In September, Donghai averages a high of 31°C and a low of 25°C. It gets 200 mm of precipitation over about 10 rainy days. Estimated sunshine is 39% of daylight hours, derived from ERA5 cloud cover. The September record high is 36°C (2020) and the record low is 18°C (1997).
Donghai weather in October
In October, Donghai averages a high of 29°C and a low of 22°C. It gets 50 mm of precipitation over about 4 rainy days. Estimated sunshine is 42% of daylight hours, derived from ERA5 cloud cover. The October record high is 36°C (2024) and the record low is 9°C (1978).
Donghai weather in November
In November, Donghai averages a high of 26°C and a low of 18°C. It gets 30 mm of precipitation over about 4 rainy days. Estimated sunshine is 52% of daylight hours, derived from ERA5 cloud cover. 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.
Donghai weather in December
In December, Donghai averages a high of 22°C and a low of 14°C. It gets 27 mm of precipitation over about 5 rainy days. Estimated sunshine is 52% of daylight hours, derived from ERA5 cloud cover. 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 Donghai
January is the sunniest month in Donghai, with estimated sunshine of 55% of daylight hours from ERA5 cloud cover. June is the cloudiest, at 11%. The annual cloud-cover estimate is 37% of daylight hours; it is not a measurement of sunshine duration. Donghai is cloudier than 72% of China.
Humidity peaks in June at 85% and is lowest in December at 64%.
Donghai has about 26 days a year above 32°C. Donghai is cooler than 52% of China.
Donghai weather records
These records cover SHANWEI during 1970–2026. Earlier records or other stations in the city may differ.
The hottest temperature on record at the Donghai station is 38°C, on July 29, 1982. The coldest is 2°C, on December 29, 1991.
The wettest day in the available station history brought 476 mm of precipitation, 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 Donghai
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
| Month | Average low | Average high | Precip | Rain days | Humidity | Estimated sunshine | Record high | Record low |
|---|---|---|---|---|---|---|---|---|
| January | 12° | 19° | 37 mm | 5 | 67% | 55% | 28° | 2° |
| February | 13° | 20° | 39 mm | 7 | 72% | 45% | 29° | 2° |
| March | 16° | 22° | 74 mm | 9 | 74% | 39% | 32° | 4° |
| April | 19° | 25° | 144 mm | 11 | 74% | 34% | 32° | 9° |
| May | 23° | 28° | 270 mm | 13 | 80% | 22% | 33° | 14° |
| June | 26° | 30° | 450 mm | 17 | 85% | 11% | 36° | 18° |
| July | 26° | 31° | 307 mm | 17 | 82% | 28% | 38° | 22° |
| August | 26° | 31° | 345 mm | 15 | 84% | 23% | 37° | 18° |
| September | 25° | 31° | 200 mm | 10 | 80% | 39% | 36° | 18° |
| October | 22° | 29° | 50 mm | 4 | 72% | 42% | 36° | 9° |
| November | 18° | 26° | 30 mm | 4 | 70% | 52% | 33° | 6° |
| December | 14° | 22° | 27 mm | 5 | 64% | 52% | 29° | 2° |
Station: SHANWEI, 34 km from the city. Temperature normal baseline: 1991–2020, calculated from available NOAA GHCN-Daily observations. Available station history: 1970–2026; record values refer to this station and period, not the entire city’s history. Precipitation includes rain and the water equivalent of frozen precipitation; snowfall depth is shown separately when available. Sources and methods
From ERA5 reanalysis. Sunshine is estimated from cloud cover.
Donghai climate questions
How much rain does Donghai get?
Donghai gets 1973 mm of precipitation in an average year, over about 116 rainy days.
What is the wettest month in Donghai?
June is the wettest month in Donghai, with 450 mm. December is the driest, with 27 mm.
How many rainy days does Donghai have a year?
Donghai has about 116 days with measurable rain in an average year. June has the most, about 17.
What is the hottest month in Donghai?
July is the warmest month in Donghai, with an average high of 31°C.
What is the coldest month in Donghai?
January is the coldest month in Donghai, with an average low of 12°C.
What is the record high temperature in Donghai?
Within the available 1970–2026 station history, the record high at the Donghai 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 Donghai?
January is the sunniest month in Donghai, with estimated sunshine of 55% of daylight hours from ERA5 cloud cover. June is the cloudiest.
What is the best time to visit Donghai?
The most comfortable time to visit is typically January to April and November to December, when daytime highs sit near 22°C.