June weather forecast
Hangzhou, China

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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. Despite this, the city's beauty is at its zenith with verdant foliage in full bloom. The temperature begins to soar, and the city is often bathed in aptly warm sunlight despite frequent showers.

Temperature

Transitioning into June, Hangzhou experiences an average high-temperature of a still warm 29.1°C (84.4°F), marking a minor shift from the preceding month. The low-temperature averages to an agreeable 21.4°C (70.5°F) during the nights of June.

Heat index

The heat index in June is appraised at a sweltering 35°C (95°F). Adopt special protective actions against heat exhaustion and heat cramps. Long-duration activity risks heatstroke.
Evaluating the heat index requires understanding its values in the shade and with gentle winds. A direct sunlight exposure may boost the heat index by 15 Fahrenheit (8 Celsius) degrees.
Note: The heat index, also known as 'real feel' or 'apparent temperature', is an aggregate value of air's warmth and moisture to show the human-felt temperature. One's weather perception can be influenced by a range of factors including metabolic differences, being pregnant, and their level of physical activity. It is essential to realize that direct sunlight can escalate the perceived temperature, increasing the heat index by 15 Fahrenheit (8 Celsius) degrees. Heat index values are quite important for babies and toddlers. Young ones often do not realize the necessity to rest and replenish their fluids. Thirst is a delayed indication of dehydration - keeping hydrated, particularly in prolonged physical activity, is crucial.
Evaporating sweat, an outcome of perspiration, is key in assisting the human body to moderate its temperature. Under high air temperature and humidity (high heat index) conditions, perspiration is limited, and the perception of heat is increased. Excessive heat that's not properly managed leads to increased body temperatures and resultant health issues.

Humidity

With an average relative humidity of 80%, June is the most humid month.

Rainfall

June is the month with the most rainfall in Hangzhou. Rain falls for 14.6 days and accumulates 219mm (8.62") of precipitation.

Sea temperature

In June, the average sea temperature is 23.4°C (74.1°F).
Note: Consideration of an individual's cold resistance, combined with conditions like sunshine, wind, and temperature, suggests that swimming in 23.4°C (74.1°F) water can be delightful. (Olympic swimming is usually in 25°C (77°F) to 28°C (82.4°F) water.)

Daylight

June has the longest days of the year in Hangzhou, with an average of 14h and 6min of daylight.
On the first day of the month, sunrise is at 04:58 and sunset at 18:56. On the last day of June, sunrise is at 05:00 and sunset at 19:05 CST.

Sunshine

The average sunshine in June is 4.6h.

UV index

June through August, with an average maximum UV index of 11, are months with the highest UV index. A UV Index reading of 11, and higher, represents an ultimate health vulnerability from unsafe exposure to UV radiation for average individuals.
Note: The daily maximum UV index of 11 in June interprets into the following advice:
Undertake all key precautions, as unprotected skin and eyes may get burns in no time. Stay out of direct sunlight and seek shade between 10 a.m. and 4 p.m., when UV radiation is strongest, but remember that shade devices may not offer full sun protection. Protect your eyes, ears, face, and neck from the Sun by wearing a wide-brimmed hat. Even on a cloudy day, a sunscreen with at least a 30 SPF should be applied generously and frequently reapplied, including after a swim or outdoor exercise. Take note! Sand and water reflections strengthen the Sun's UV exposure.
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Frequently asked questions

How hot is it in Hangzhou in June?

In Hangzhou, in June, the average high-temperature is 29.1°C (84.4°F), and the average low-temperature is 21.4°C (70.5°F). The average heat index (a.k.a. 'felt air temperature', 'feels like'), which takes the relative humidity and factors it into the air temperature reading, in June is appraised at 35°C (95°F).

What is the most humid month in Hangzhou?

With an average relative humidity of 80%, June is the most humid month in Hangzhou, China.

What is the average humidity in June in Hangzhou?

The average relative humidity in June in Hangzhou, China, is 80%.

What is the wettest month in Hangzhou?

The month with the most rainfall in Hangzhou is June, when the rain falls for 14.6 days and typically aggregates up to 219mm (8.62") of precipitation.

How many days does it rain in June in Hangzhou?

In Hangzhou, China, in June, it is raining for 14.6 days, with typically 219mm (8.62") of accumulated precipitation.

How warm is the water in June in Hangzhou?

In Hangzhou, in June, the average water temperature is 23.4°C (74.1°F). Depending on a person's sensitivity to cold, with regards to sunshine, wind, and air temperature, a quick swim in 23.4°C (74.1°F) water may be enjoyable.

When are the longest days in Hangzhou?

The month with the longest days in Hangzhou is June, with an average of 14h and 6min of daylight.

What is the average length of the day in June in Hangzhou?

In Hangzhou, China, the average day length in June is 14h and 4min.

When are sunrise and sunset in June in Hangzhou?

In June, on the first day of the month, sunrise is at 04:58 and sunset at 18:56. On the last day of the month, sunrise is at 05:00 and sunset at 19:05 CST.

How long on average sun shines in June in Hangzhou?

The average sunshine duration in June is 4.6h.

When is the highest UV index in Hangzhou?

The months with the highest UV index in Hangzhou are June through August, with an average maximum UV index of 11.

What is the UV index intensity in June in Hangzhou?

In Hangzhou, China, the average daily maximum UV index in June is 11. A UV Index estimate of 11, and higher, represents an extreme health vulnerability from unsafe exposure to Sun's UV rays.
Average humidity
Average rainfall days
Average daylight
Average sunshine
Average UV index

Average temperature in June
Hangzhou, China

Average temperature in June - Hangzhou, China
  • Average high temperature in June: 29.1°C

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).

  • Average low temperature in June: 21.4°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).

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Average humidity in June
Hangzhou, China

Average humidity in June - Hangzhou, China
  • Average humidity in June: 80%

The month with the highest relative humidity is June (80%).
The month with the lowest relative humidity is December (73%).

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Average rainfall in June
Hangzhou, China

Average rainfall in June - Hangzhou, China
  • Average rainfall in June: 219.4mm

The wettest month (with the highest rainfall) is June (219.4mm).
The driest month (with the least rainfall) is December (48.9mm).

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Average rainfall days in June
Hangzhou, China

Average rainfall days in June - Hangzhou, China
  • Average rainfall days in June: 14.6 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).

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Average sea temperature in June
Hangzhou, China

Average sea temperature in June - Hangzhou, China
  • Average sea temperature in June: 23.4°C

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).

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Average daylight in June /
Average sunshine in June
Hangzhou, China

Average daylight in June / Average sunshine in June - Hangzhou, China
  • Average daylight in June: 14h 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 June: 4h and 4min

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).

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Average UV index in June
Hangzhou, China

Average UV index in June - Hangzhou, China
  • Average UV index in June: 11

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).

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Hangzhou, China

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