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Contents
- The climate of Hangzhou
- The best time to visit Hangzhou
- The worst time to visit Hangzhou
- Spring weather in Hangzhou
- Summer weather in Hangzhou
- Autumn weather in Hangzhou
- Winter weather in Hangzhou
- Weather in January
- Weather in February
- Weather in March
- Weather in April
- Weather in May
- Weather in June
- Weather in July
- Weather in August
- Weather in September
- Weather in October
- Weather in November
- Weather in December
- Frequently asked questions
- Average temperature
- Average humidity
- Average rainfall
- Average rainfall days
- Average sea temperature
- Average daylight
- Average sunshine
- Average UV index
The climate of Hangzhou
Categorized under the Köppen climate classification as Cfa, Hangzhou experiences a humid subtropical climate, with no dry season throughout the year. Located geographically in Eastern China, the city demonstrates key characteristics of this climate type, which include warm and wet conditions, coupled with significant monthly temperature variations and a lack of noticeable dry period.
Throughout the year, temperatures can range from a mere 1.8°C (35.2°F) during the colder months to a scorching 33.6°C (92.5°F) at the peak of summer. There is a noticeable swing in relative humidity levels, with an annual variation between 73% and 80%. Rainfall frequencies can escalate to 15.3 days a month, with measured rainfall reaching as high as 219mm (8.62") during the wettest months.
Fascinatingly, Hangzhou remains humid year-round, despite having the most rainfall during summer. The city gets wettest during June with rainfall reaching up to 219mm (8.62"), and least precipitation is seen in December with 49mm (1.93"). As for sunshine, more luminous conditions can be expected from July to August, with up to 6.9 hours of sunshine per day. Yet even in the dullest months, there is a respectable 3.3 hours of sunshine daily.
Throughout the year, temperatures can range from a mere 1.8°C (35.2°F) during the colder months to a scorching 33.6°C (92.5°F) at the peak of summer. There is a noticeable swing in relative humidity levels, with an annual variation between 73% and 80%. Rainfall frequencies can escalate to 15.3 days a month, with measured rainfall reaching as high as 219mm (8.62") during the wettest months.
Fascinatingly, Hangzhou remains humid year-round, despite having the most rainfall during summer. The city gets wettest during June with rainfall reaching up to 219mm (8.62"), and least precipitation is seen in December with 49mm (1.93"). As for sunshine, more luminous conditions can be expected from July to August, with up to 6.9 hours of sunshine per day. Yet even in the dullest months, there is a respectable 3.3 hours of sunshine daily.
The best time to visit Hangzhou
Planning a visit to Hangzhou hinges heavily on an individual's weather preference. However, a general recommendation would be to visit between September and October. During this period, temperatures are relatively moderate, ranging from 15.4°C (59.7°F) to 28.2°C (82.8°F). These months also receive less rainfall, only 79mm (3.11") in September and 72mm (2.83") in October, with fewer rainy days, ensuring visitors can enjoy the city with minimal disruptions.
The worst time to visit Hangzhou
A less favorable time to visit Hangzhou would predominantly be during the summer months, from June to August. This time period sees high temperatures soaring up to 33.6°C (92.5°F), reaching uncomfortable levels for many. The rain is at its highest during these months, with June recording the highest rainfall at 219mm (8.62"). The combination of high temperature and high humidity might pose discomfort for some travelers.
Spring weather in Hangzhou
Spring in Hangzhou occurs from March to May, characterized by moderate temperatures and increasing rainfall. March starts with a mild temperature range, from 7°C (44.6°F) to 14.8°C (58.6°F), and rainfall of 141mm (5.55"). As the season progresses to May, temperatures increase, logging highs of 26.3°C (79.3°F) and lows of 17.5°C (63.5°F), alongside 129mm (5.08") of rainfall.
Summer weather in Hangzhou
Summer extends from June to August, marked by high temperatures and considerable rainfall. June witnesses temperatures rising to 29.1°C (84.4°F) down to 21.4°C (70.5°F), with a sharp increase in rainfall, peaking at 219mm (8.62"). Throughout the season, the mercury further increases, hitting highs of 33.6°C (92.5°F) and lows of 25.2°C (77.4°F) in July, still accompanied by heavy rainfall.
Autumn weather in Hangzhou
Transitioning from summer, autumn, from September to November, presents lower temperatures and reduced rain. September enjoys a temperature variation from 20.9°C (69.6°F) to 28.2°C (82.8°F). As autumn advances into November, temperatures fall to a comfortable range between 9.3°C (48.7°F) and 17.3°C (63.1°F). Rainfall also decreases significantly, hitting an annual low in November, at 72mm (2.83").
Winter weather in Hangzhou
Winter in Hangzhou, spanning December until February, showcases a substantial drop in temperatures and a decrease in rainfall. Starting with December, the city experiences colder temperatures varying from 3.7°C (38.7°F) to 11.3°C (52.3°F) with rainfall dropping to 49mm (1.93"). January and February continue with low temperatures, as low as 1.8°C (35.2°F), and moderate rain, preserving the city's characteristic year-round humidity.
Weather in January
January in Hangzhou, China marks the beginning of the year with wintry cold temperatures. Chill is felt as temperatures plunge from 1.8°C (35.2°F) to 8.3°C (46.9°F). The city experiences persistent humidity at 75%. It is relatively a tranquil month with the weather transitioning from the frigid winter season. Weather in January »
Weather in February
In February, the ambiance in Hangzhou starts to transition subtly into the oncoming of spring. There is an appreciable rise in temperatures from January, buoying up from 3.5°C (38.3°F) to 10.3°C (50.5°F). This month also graces the city with an average rainfall of 88mm (3.46"). Weather in February »
Weather in March
March reveals the formal advent of spring in Hangzhou, as the temperatures mount from 7°C (44.6°F) to 14.8°C (58.6°F). It becomes the wettest month of the year, welcoming a substantial rainfall of 141mm (5.55"). Visitors will notice an evident change as thicker jackets give way to lighter attire. Weather in March »
Weather in April
April invites warmer temperatures, rising from 12.4°C (54.3°F) to 21.1°C (70°F), giving Hangzhou a more comforting feel. This month registers rainfall of 123mm (4.84"). The climate shifts toward remarkable warmth, and the panorama is often cloaked with vibrant colors of spring. Weather in April »
Weather in May
May introduces the first signs of sweltering summer. Hangzhou experiences a notable increment in temperatures from 17.5°C (63.5°F) to 26.3°C (79.3°F). These elongated days receive an average of 129mm (5.08") rainfall. It is a period of heightened vitality where nature thrives. Weather in May »
Weather in June
As the Hot season officially commences, June in Hangzhou sees temperatures swing between 21.4°C (70.5°F) and 29.1°C (84.4°F), coupled with a relative humidity of 80%. A significant amount of rainfall, 219mm (8.62"), marks this month as the peak of the rainy season. Weather in June »
Weather in July
July, the apex of summer, impresses with the hottest weather in the year, the temperatures reach from 25.2°C (77.4°F) up to 33.6°C (92.5°F). An average of 173mm (6.81") of rainfall is recorded during this timeframe. The searing sunlight necessitates the need for protective wear such as caps and sunglasses. Weather in July »
Weather in August
August continues the searing summer narrative as temperatures sway between 24.9°C (76.8°F) and 32.8°C (91°F). The city reports 162mm (6.38") of rainfall. Despite the heat, it is a favored time for outdoor activities. The allure of Hangzhou in the vivid summer light is quite inviting. Weather in August »
Weather in September
In September, Hangzhou embarks on a journey towards the crisp autumn. The temperature moderation, ranging between 20.9°C (69.6°F) to 28.2°C (82.8°F), is welcomed with open arms. Rainfall is quantified at 124mm (4.88"). A slight chill begins to permeate the air, especially during the late evenings. Weather in September »
Weather in October
October in Hangzhou is a spectacular showing of Autumn’s glory. In this month, temperatures become pleasingly cool, dropping from 15.4°C (59.7°F) to 23.2°C (73.8°F). Recorded rainfall for October stays at 79mm (3.11"). Fall's vibrant mosaic lends an undoubted charm to Hangzhou's landscape. Weather in October »
Weather in November
November signals the increasing grip of winter on Hangzhou with temperatures plummeting from 9.3°C (48.7°F) to 17.3°C (63.1°F). Rainfall drops down to 72mm (2.83"). The warmth of the days lends way to colder nights. The changing colors from the adorable hues of autumn to the stern greys of winter present an exquisite spectacle. Weather in November »
Weather in December
In December, Hangzhou plunges into the heart of the frigid winter season. Temperatures oscillate from 3.7°C (38.7°F) to 11.3°C (52.3°F), relatively colder while the recorded rainfall sits at 49mm (1.93"), marking it as the driest month. Weather in December »
[Resources]Frequently asked questions
What month is the coldest in Hangzhou?
January, known for its average high temperature of 8.3°C (46.9°F) and an average low temperature of 1.8°C (35.2°F), is the coldest month.
How much does it rain in Hangzhou?
Throughout the year, in Hangzhou, China, there are 147.4 rainfall days, and 1438mm (56.61") of precipitation is accumulated.
What is the month with the least sunshine in Hangzhou?
The month with the least sunshine is January, with an average of 3.3h of sunshine.
What is the month with the lowest UV index in Hangzhou?
January and December, with an average maximum UV index of 4, are months with the lowest UV index in Hangzhou.
What month is the sea coldest in Hangzhou?
The month with the coldest seawater in Hangzhou, China, is February, with an average sea temperature of 8.8°C (47.8°F).
What is the most humid month in Hangzhou?
With an average relative humidity of 80%, June is the most humid month.
What is the wettest month in Hangzhou?
The month with the most rainfall in Hangzhou, China, is June, when the rain falls for 14.6 days and typically aggregates up to 219mm (8.62") of precipitation.
When are the longest days in Hangzhou?
The month with the longest days is June, with an average of 14h and 6min of daylight.
When is the highest UV index in Hangzhou?
The months with the highest UV index are June through August, with an average maximum UV index of 11.
What time of the year is the hottest in Hangzhou?
July, with an average high of 33.6°C (92.5°F) and a low of 25.2°C (77.4°F), signifies the warmest month of the year in Hangzhou.
What month has the most sunshine in Hangzhou?
July has the most sunshine of the year in Hangzhou, China, with an average of 6.9h of sunshine.
What is the month with the warmest sea water in Hangzhou?
August is the month with the warmest seawater in Hangzhou, China, with an average sea temperature of 26.9°C (80.4°F).
What is the least humid month in Hangzhou?
With an average relative humidity of 73%, December is the least humid month.
What is the driest month in Hangzhou?
The month with the least rainfall is December, when the rain falls for 8.5 days and typically collects 49mm (1.93") of precipitation.
What is the month with the shortest days in Hangzhou?
With an average of 10h and 12min of daylight, December has the shortest days of the year.
Is there Daylight Saving Time (DST) in Hangzhou?
Hangzhou, China, does not utilize Daylight Saving Time (DST). CST timezone is used over the entire year.
Average temperature
Hangzhou, China
The warmest month (with the highest average high temperature) is July (33.6°C).
The month with the lowest average high temperature is January (8.3°C).
The month with the highest average low temperature is July (25.2°C).
The coldest month (with the lowest average low temperature) is January (1.8°C).
Average humidity
Hangzhou, China
The month with the highest relative humidity is June (80%).
The month with the lowest relative humidity is December (73%).
Average rainfall
Hangzhou, China
- Average rainfall in January:
80.6mm - Average rainfall in February:
88.2mm - Average rainfall in March:
140.7mm - Average rainfall in April:
123.1mm - Average rainfall in May:
128.6mm - Average rainfall in June:
219.4mm
- Average rainfall in July:
172.9mm - Average rainfall in August:
162.1mm - Average rainfall in September:
123.5mm - Average rainfall in October:
78.5mm - Average rainfall in November:
71.5mm - Average rainfall in December:
48.9mm
The wettest month (with the highest rainfall) is June (219.4mm).
The driest month (with the least rainfall) is December (48.9mm).
Average rainfall days
Hangzhou, China
- Average rainfall days in January:
12.4 days - Average rainfall days in February:
12.1 days - Average rainfall days in March:
15.3 days - Average rainfall days in April:
14.5 days - Average rainfall days in May:
13.8 days - Average rainfall days in June:
14.6 days
- Average rainfall days in July:
12.4 days - Average rainfall days in August:
13.8 days - Average rainfall days in September:
11.7 days - Average rainfall days in October:
9 days - Average rainfall days in November:
9.3 days - Average rainfall days in December:
8.5 days
The month with the highest number of rainy days is March (15.3 days).
The month with the least rainy days is December (8.5 days).
Average sea temperature
Hangzhou, China
The best month for swimming (with the highest average sea temperature) is August (26.9°C).
The coldest month (with the lowest average sea temperature) is February (8.8°C).
Average daylight / Average sunshine
Hangzhou, China
- Average daylight in January:
10h and 2min - Average daylight in February:
11h and 1min - Average daylight in March:
12h and 0min - Average daylight in April:
12h and 5min - Average daylight in May:
13h and 4min - Average daylight in June:
14h and 1min
- Average daylight in July:
13h and 5min - Average daylight in August:
13h and 1min - Average daylight in September:
12h and 2min - Average daylight in October:
11h and 2min - Average daylight in November:
10h and 4min - Average daylight in December:
10h and 1min
The month with the longest days is June (Average daylight: 14h and 6min).
The month with the shortest days is December (Average daylight: 10h and 12min).
- Average sunshine in January:
3h and 2min - Average sunshine in February:
3h and 3min - Average sunshine in March:
3h and 5min - Average sunshine in April:
4h and 4min - Average sunshine in May:
5h and 2min - Average sunshine in June:
4h and 4min
- Average sunshine in July:
6h and 5min - Average sunshine in August:
6h and 1min - Average sunshine in September:
4h and 5min - Average sunshine in October:
4h and 4min - Average sunshine in November:
4h and 2min - Average sunshine in December:
4h and 1min
The month with the most sunshine is July (Average sunshine: 6h and 54min).
The month with the least sunshine is January (Average sunshine: 3h and 18min).
Average UV index
Hangzhou, China
The months with the highest UV index are June, July and August (UV index 11).
The months with the lowest UV index are January and December (UV index 4).
Hangzhou, China
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