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Jiaojiang, Zhejiang Weather by Month and Climate Averages
Monthly normals · Rain · Snow
Sunshine · Freeze dates · Records · Best time to visit
What is the weather like in Jiaojiang, Zhejiang?
Jiaojiang, Zhejiang gets 1481 mm of precipitation a year over about 156 rainy days. August is the warmest month (average high 29°C) and January the coldest (average low 5°C).
Humid subtropical climate
Jiaojiang, Zhejiang has warm summers and chilly winters. Daytime highs range from about 10°C in January to 29°C in August. June is usually the wettest month. The most comfortable time to visit is typically April to May and October to November, when daytime highs sit near 20°C.
| Season | Months | Avg low | Avg high |
|---|---|---|---|
| Winter | Dec–Feb | 6° | 11° |
| Spring | Mar–May | 13° | 17° |
| Summer | Jun–Aug | 24° | 28° |
| Autumn | Sep–Nov | 19° | 22° |
How much rain does Jiaojiang get?
Jiaojiang gets 1481 mm of precipitation in an average year, spread over about 156 days with measurable rain. That is more rainy days than 95% of China.
June is the wettest month, with 208 mm. December is the driest, with 70 mm. March has the most rainy days, about 17.
The longest dry spell in the last five years lasted 29 days, to July 31, 2022.
Jiaojiang weather by month
Jiaojiang weather in January
In January, Jiaojiang averages a high of 9°C and a low of 5°C. It gets 82 mm of precipitation over about 13 rainy days. Estimated sunshine is 44% of daylight hours, derived from ERA5 cloud cover. The January record high is 21°C (1987) and the record low is -6°C (1977).
Jiaojiang weather in February
In February, Jiaojiang averages a high of 11°C and a low of 6°C. It gets 85 mm of precipitation over about 14 rainy days. Estimated sunshine is 31% of daylight hours, derived from ERA5 cloud cover. The February record high is 24°C (1973) and the record low is -4°C (1979).
Jiaojiang weather in March
In March, Jiaojiang averages a high of 13°C and a low of 8°C. It gets 146 mm of precipitation over about 17 rainy days. Estimated sunshine is 31% of daylight hours, derived from ERA5 cloud cover. The March record high is 24°C (2000) and the record low is -2°C (1980).
Jiaojiang weather in April
In April, Jiaojiang averages a high of 17°C and a low of 12°C. It gets 120 mm of precipitation over about 17 rainy days. Estimated sunshine is 30% of daylight hours, derived from ERA5 cloud cover. The April record high is 27°C (2024) and the record low is 0°C (2021). April is one of the most comfortable months to visit.
Jiaojiang weather in May
In May, Jiaojiang averages a high of 22°C and a low of 18°C. It gets 149 mm of precipitation over about 17 rainy days. Estimated sunshine is 22% of daylight hours, derived from ERA5 cloud cover. The May record high is 31°C (2020) and the record low is 8°C (1981). May is one of the most comfortable months to visit.
Jiaojiang weather in June
In June, Jiaojiang averages a high of 25°C and a low of 22°C. It gets 208 mm of precipitation over about 16 rainy days. Estimated sunshine is 10% of daylight hours, derived from ERA5 cloud cover. The June record high is 32°C (2025) and the record low is 13°C (1987).
Jiaojiang weather in July
In July, Jiaojiang averages a high of 28°C and a low of 25°C. It gets 100 mm of precipitation over about 9 rainy days. Estimated sunshine is 22% of daylight hours, derived from ERA5 cloud cover. The July record high is 35°C (1974) and the record low is 18°C (1976).
Jiaojiang weather in August
In August, Jiaojiang averages a high of 29°C and a low of 26°C. It gets 166 mm of precipitation over about 12 rainy days. Estimated sunshine is 40% of daylight hours, derived from ERA5 cloud cover. The August record high is 35°C (2006) and the record low is 20°C (1980).
Jiaojiang weather in September
In September, Jiaojiang averages a high of 27°C and a low of 23°C. It gets 164 mm of precipitation over about 11 rainy days. Estimated sunshine is 36% of daylight hours, derived from ERA5 cloud cover. The September record high is 36°C (1973) and the record low is 16°C (1977).
Jiaojiang weather in October
In October, Jiaojiang averages a high of 23°C and a low of 19°C. It gets 96 mm of precipitation over about 9 rainy days. Estimated sunshine is 38% of daylight hours, derived from ERA5 cloud cover. The October record high is 30°C (2023) and the record low is 6°C (1978). October is one of the most comfortable months to visit.
Jiaojiang weather in November
In November, Jiaojiang averages a high of 18°C and a low of 14°C. It gets 98 mm of precipitation over about 12 rainy days. Estimated sunshine is 42% of daylight hours, derived from ERA5 cloud cover. The November record high is 26°C (2023) and the record low is -2°C (1975). November is one of the most comfortable months to visit.
Jiaojiang weather in December
In December, Jiaojiang averages a high of 13°C and a low of 8°C. It gets 70 mm of precipitation over about 11 rainy days. Estimated sunshine is 52% of daylight hours, derived from ERA5 cloud cover. The December record high is 23°C (2019) and the record low is -10°C (1976).
Sunshine, humidity and wind in Jiaojiang
December is the sunniest month in Jiaojiang, with estimated sunshine of 52% of daylight hours from ERA5 cloud cover. June is the cloudiest, at 10%. The annual cloud-cover estimate is 33% of daylight hours; it is not a measurement of sunshine duration. Jiaojiang is cloudier than 84% of China.
Humidity peaks in June at 83% and is lowest in December at 68%.
Jiaojiang has about 3 days a year above 32°C. Jiaojiang is cooler than 98% of China.
First and last freeze in Jiaojiang
The first fall freeze in Jiaojiang typically comes around December 25, and the last spring freeze around February 5. That leaves a frost-free growing season of about 323 days.
Jiaojiang weather records
These records cover DACHEN DAO during 1973–2025. Earlier records or other stations in the city may differ.
The hottest temperature on record at the Jiaojiang station is 36°C, on September 17, 1973. The coldest is -10°C, on December 26, 1976.
The wettest day in the available station history brought 404 mm of precipitation, on September 14, 1982.
22 all-time records have been set at the station since 1973.
The best time to visit Jiaojiang
The most comfortable time to visit is typically April to May and October to November, when daytime highs sit near 20°C.
Winter (December–February) is chilly, with average highs around 11°C and lows near 6°C.
Spring (March–May) is mild, with average highs around 17°C and lows near 13°C.
Summer (June–August) is warm, with average highs around 28°C and lows near 24°C. It can feel humid.
Autumn (September–November) is warm, with average highs around 22°C and lows near 19°C.
Monthly climate
| Month | Average low | Average high | Precip | Rain days | Humidity | Estimated sunshine | Record high | Record low |
|---|---|---|---|---|---|---|---|---|
| January | 5° | 9° | 82 mm | 13 | 71% | 44% | 21° | -6° |
| February | 6° | 11° | 85 mm | 14 | 75% | 31% | 24° | -4° |
| March | 8° | 13° | 146 mm | 17 | 75% | 31% | 24° | -2° |
| April | 12° | 17° | 120 mm | 17 | 74% | 30% | 27° | 0° |
| May | 18° | 22° | 149 mm | 17 | 77% | 22% | 31° | 8° |
| June | 22° | 25° | 208 mm | 16 | 83% | 10% | 32° | 13° |
| July | 25° | 28° | 100 mm | 9 | 76% | 22% | 35° | 18° |
| August | 26° | 29° | 166 mm | 12 | 76% | 40% | 35° | 20° |
| September | 23° | 27° | 164 mm | 11 | 77% | 36% | 36° | 16° |
| October | 19° | 23° | 96 mm | 9 | 73% | 38% | 30° | 6° |
| November | 14° | 18° | 98 mm | 12 | 73% | 42% | 26° | -2° |
| December | 8° | 13° | 70 mm | 11 | 68% | 52% | 23° | -10° |
Station: DACHEN DAO, 49 km from the city. Temperature normal baseline: 1991–2020, calculated from available NOAA GHCN-Daily observations. Available station history: 1973–2025; 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.
Jiaojiang climate questions
How much rain does Jiaojiang get?
Jiaojiang gets 1481 mm of precipitation in an average year, over about 156 rainy days.
What is the wettest month in Jiaojiang?
June is the wettest month in Jiaojiang, with 208 mm. December is the driest, with 70 mm.
How many rainy days does Jiaojiang have a year?
Jiaojiang has about 156 days with measurable rain in an average year. March has the most, about 17.
What is the hottest month in Jiaojiang?
August is the warmest month in Jiaojiang, with an average high of 29°C.
What is the coldest month in Jiaojiang?
January is the coldest month in Jiaojiang, with an average low of 5°C.
What is the record high temperature in Jiaojiang?
Within the available 1973–2025 station history, the record high at the Jiaojiang station is 36°C, set on September 17, 1973. The record low is -10°C, on December 26, 1976.
What is the sunniest month in Jiaojiang?
December is the sunniest month in Jiaojiang, with estimated sunshine of 52% of daylight hours from ERA5 cloud cover. June is the cloudiest.
When is the first frost in Jiaojiang?
The first fall freeze in Jiaojiang typically comes around December 25. The last spring freeze is around February 5.
What is the best time to visit Jiaojiang?
The most comfortable time to visit is typically April to May and October to November, when daytime highs sit near 20°C.