Monthly weather forecast and climate
Hanoi, Vietnam

The beautiful Tran Quoc Pagoda in Hanoi, Vietnam
The beautiful Tran Quoc Pagoda in Hanoi, Vietnam

Weather in January

January, like December, is an agreeable winter month in Hanoi, Vietnam, with average temperature fluctuating between 20.7°C (69.3°F) and 14.4°C (57.9°F). January is the coldest month, with an average high-temperature of 20.7°C (69.3°F) and an average low-temperature of 14.4°C (57.9°F). Weather in January »

Weather in February

February, the last month of the winter, in Hanoi, is a moderately hot month, with average temperature ranging between max 23.9°C (75°F) and min 16.7°C (62.1°F). In February, the average high-temperature marginally rises, from an agreeable 20.7°C (69.3°F) in January, to a moderately hot 23.9°C (75°F). Weather in February »

Weather in March

The first month of the spring, March, is still a warm month in Hanoi, Vietnam, with temperature in the range of an average low of 19.2°C (66.6°F) and an average high of 26.8°C (80.2°F). In March, the average high-temperature is almost the same as in February - a still moderately hot 26.8°C (80.2°F). Weather in March »

Weather in April

April in Hanoi, Vietnam, is a hot spring month, with average temperature ranging between min 21.8°C (71.2°F) and max 30.8°C (87.4°F). In Hanoi, the average high-temperature marginally rises, from a moderately hot 26.8°C (80.2°F) in March, to a hot 30.8°C (87.4°F). Weather in April »

Weather in May

May, the last month of the spring, in Hanoi, is another hot month, with average temperature ranging between max 34°C (93.2°F) and min 24.8°C (76.6°F). In May, the average high-temperature marginally rises, from a tropical 30.8°C (87.4°F) in April, to a still hot 34°C (93.2°F). Weather in May »

Weather in June

The first month of the summer, June, is a very hot month in Hanoi, Vietnam, with temperature in the range of an average high of 35.4°C (95.7°F) and an average low of 26.6°C (79.9°F). The warmest month is June, with an average high-temperature of 35.4°C (95.7°F) and an average low-temperature of 26.6°C (79.9°F). The average heat index is calculated to a burning hot 52.4°C (126.3°F). Weather in June »

Weather in July

July, like June, is another hot summer month in Hanoi, Vietnam, with average temperature ranging between max 34°C (93.2°F) and min 26.3°C (79.3°F). In July, the average high-temperature is essentially the same as in June - a tropical 34°C (93.2°F). Weather in July »

Weather in August

August, the last month of the summer, in Hanoi, is another tropical month, with temperature in the range of an average low of 25.5°C (77.9°F) and an average high of 33.1°C (91.6°F). In August, the average high-temperature is relatively the same as in July - a still hot 33.1°C (91.6°F). Weather in August »

Weather in September

The first month of the autumn, September, is still a hot month in Hanoi, Vietnam, with average temperature varying between 24.2°C (75.6°F) and 31.7°C (89.1°F). In September, the average high-temperature is almost the same as in August - a still hot 31.7°C (89.1°F). Weather in September »

Weather in October

October, the same as September, is a moderately hot autumn month in Hanoi, Vietnam, with average temperature ranging between min 22.1°C (71.8°F) and max 29.6°C (85.3°F). In Hanoi, the average high-temperature in October is essentially the same as in September - a warm 29.6°C (85.3°F). Weather in October »

Weather in November

The last month of the autumn, November, is also a moderately hot month in Hanoi, Vietnam, with average temperature ranging between max 26.7°C (80.1°F) and min 19.3°C (66.7°F). In November, the average high-temperature is almost the same as in October - a still warm 26.7°C (80.1°F). Weather in November »

Weather in December

The first month of the winter, December, is also an agreeable month in Hanoi, Vietnam, with average temperature varying between 15.2°C (59.4°F) and 22.1°C (71.8°F). In December, the average high-temperature marginally drops, from a moderately hot 26.7°C (80.1°F) in November, to a pleasant 22.1°C (71.8°F). Weather in December »
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FAQ

What is the coldest month in Hanoi?

The coldest month is January, with an average high-temperature of 20.7°C (69.3°F) and an average low-temperature of 14.4°C (57.9°F).

How much does it rain in Hanoi?

In Hanoi, Vietnam, during the entire year, the rain falls for 181.2 days and collects up to 595mm (23.43") of precipitation.

What is the month with the least sunshine in Hanoi?

January has the least sunshine of the year, with an average of 3.7h of sunshine.

What is the driest month in Hanoi?

The month with the least rainfall is February when the rain falls for 7.8 days and typically collects 7mm (0.28") of precipitation.

When is the highest UV index in Hanoi?

Months with the highest UV index are May through September, with an average maximum UV index of 7.

What is the warmest month in Hanoi?

June is the warmest month in Hanoi, Vietnam, with an average high-temperature of 35.4°C (95.7°F) and an average low-temperature of 26.6°C (79.9°F).

When are the longest days in Hanoi?

With an average of 13.4h of daylight, June has the longest days of the year.

What month has the most sunshine in Hanoi?

With an average of 10.1h of sunshine, June has the most sunshine of the year.

What is the most humid month in Hanoi?

Months with the highest humidity are August and September, with an average relative humidity of 80%.

What is the wettest month in Hanoi?

The month with the most rainfall in Hanoi is August when the rain falls for 21.5 days and typically aggregates up to 135mm (5.31") of precipitation.

What is the least humid month in Hanoi?

The least humid month in Hanoi, Vietnam, is December, with an average relative humidity of 69%.

What is the month with the shortest days in Hanoi?

December has the shortest days of the year, with an average of 10.9h of daylight.

What is the month with the lowest UV index in Hanoi?

The month with the lowest UV index in Hanoi is December, with an average maximum UV index of 4.

Average temperature
Hanoi, Vietnam

Average temperature - Hanoi, Vietnam

The warmest month (with the highest average high temperature) is June (35.4°C).
The month with the lowest average high temperature is January (20.7°C).

The month with the highest average low temperature is June (26.6°C).
The coldest month (with the lowest average low temperature) is January (14.4°C).

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Average pressure
Hanoi, Vietnam

Average pressure - Hanoi, Vietnam

The month with the highest atmospheric pressure is January (1019.2mbar).
The month with the lowest atmospheric pressure is June (1003.1mbar).

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Average wind speed
Hanoi, Vietnam

Average wind speed - Hanoi, Vietnam

The windiest month (with the highest average wind speed) is March (9.9km/h).
The calmest months (with the lowest average wind speed) are August and September (6.9km/h).

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Average humidity
Hanoi, Vietnam

Average humidity - Hanoi, Vietnam

Months with the highest relative humidity are August and September (80%).
The month with the lowest relative humidity is December (69%).

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Average rainfall
Hanoi, Vietnam

Average rainfall - Hanoi, Vietnam

The wettest month (with the highest rainfall) is August (135mm).
The driest month (with the least rainfall) is February (7mm).

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Average rainfall days
Hanoi, Vietnam

Average rainfall days - Hanoi, Vietnam

The month with the highest number of rainy days is July (23.3 days).
The month with the least rainy days is February (7.8 days).

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Average daylight / Average sunshine
Hanoi, Vietnam

Average daylight / Average sunshine - Hanoi, Vietnam

The month with the longest days is June (Average daylight: 13.4h).
The month with the shortest days is December (Average daylight: 10.9h).

The month with the most sunshine is June (Average sunshine: 10.1h).
The month with the least sunshine is January (Average sunshine: 3.7h).

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Average sunshine days
Hanoi, Vietnam

Average sunshine days - Hanoi, Vietnam

The month with the most sunshine days is December (19.6 days).
The month with the least sunshine days is July (6.2 days).

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Average UV index
Hanoi, Vietnam

Average UV index - Hanoi, Vietnam

Months with the highest UV index are May, June, July, August and September (UV index 7).
The month with the lowest UV index is December (UV index 4).

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Average visibility
Hanoi, Vietnam

Average visibility - Hanoi, Vietnam

Months with the highest visibility are February, March and June (10km).
Months with the lowest visibility are January, April, May, July, August, September, October, November and December (9km).

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