Hanoi Weather Month by Month: Choose the Best and Avoid the Worst for Your Visit

Hanoi, the Capital city of Vietnam, experiences a variety of weather patterns throughout the year, from warm spring days to chilly, rainy winters.

By knowing what to expect each month, you can pick the best time for sightseeing and avoid any weather-related discomfort.

In this article, we provide a month-by-month breakdown of Hanoi’s weather, so you can plan your visit around the most favorable conditions, whether you're looking for sunny skies or hoping to avoid the rain.

Let’s dive into the best months to visit Hanoi and the ones you may want to skip!

Overview of Weather in Hanoi: with temperatures Ranging from 14°C to 36°C

The monthly weather in Hanoi can be great changes, with the temperature ranging from cool 14°C in the Vietnam winter to hot 36°C in the summer. Hanoi has a tropical monsoon climate in Vietnam with high humidity for summer and cool, dry for winter.

Keep reading, let's take a closer look at Hanoi's weather each month, so you are well prepared for whatever weather comes in Hanoi!

Hanoi Weather in January: Winter in Hanoi with Cold and Dry Weather

By January, winter settles, and it can get rather cold. The monthly average temperature in Hanoi ranges from 14°C to 20°C, one of the coldest months. The weather is dry, with little rain, and the skies often stay overcast.

If planning to travel to Hanoi in January, you need to prepare a warm jacket since it will be cold in the morning and evening. But do not be deterred by the cooler weather! It is also when the winter crisp is in the air and the city is shrouded in mist, which gives it a fairytale feeling - ideal for walking through the Old Quarter or enjoying a hot cup of Vietnamese coffee.

Month	Avg. Max Temp (°C)	Avg. Min Temp (°C)	Avg. Sunshine Hours	Rainy Days	Avg. Rainfall (mm)	Avg. Humidity (%)
January	20	14	4	5	40	80

The January weather in Hanoi adds to the city's attraction.

Hanoi Weather in February: Late Winter, Mild with Occasional Rain

In February, Hanoi's winter begins to ease up and temperatures are rising a little. The average range is from 15°C to 21°C, so it's still cool, just not as frosty as January. The weather is mostly dry, with the occasional light rain shower, and the air is fresh and crisp, making it a wonderful time to be out sightseeing.

Additionally, the visit will be even better because Tết, which is also the Lunar New Year in Vietnam, is generally in February so you will be able to see some interesting celebrations and lively activities that light up the whole city with colors and happiness!

Month	Avg. Max Temp (°C)	Avg. Min Temp (°C)	Avg. Sunshine Hours	Rainy Days	Avg. Rainfall (mm)	Avg. Humidity (%)
February	21	15	5	6	40	79

To celebrate the Lunar New Year, Hanoi hosts a colorful fireworks show.

Hanoi Weather in March: Spring Begins with Mild Temperatures and Refreshing Air

March brings the first warm streak to Hanoi that varies between 18°C and 24°C, which is perfect for spring - just the ideal condition for really nice weather. The air becomes fresher, making it an ideal time to explore the city.

Plus, it's a good time for outdoor activities, such as a stroll around Hoan Kiem Lake or a boat ride in nearby Ninh Binh. March is also the beginning of peak tourist season, you will see many more visitors and a lively atmosphere makes everything more fun. March is a great time to experience Hanoi at its best!

Month	Avg. Max Temp (°C)	Avg. Min Temp (°C)	Avg. Sunshine Hours	Rainy Days	Avg. Rainfall (mm)	Avg. Humidity (%)
March	24	18	5	8	90	76

March weather in Hanoi is ideal for taking a walk around beautiful lakes.

Hanoi Weather in April: Spring with Warm and Comfortable Weather

Hanoi in April is a great time to travel. The temperatures are warm, but not too hot at 21°C-27°C, and the air is clean, with just the right amount of breeze. Humidity is relatively low, making it the ideal season for outdoor activities.

Hanoi's parks and gardens, such as the Botanical Gardens, are bursting with bloom, providing perfect spots to pose for photos. It's also a great month to enjoy the delicious street food in Hanoi, with the warm weather to wander through the markets. Whether you're exploring the city or savoring a tasty treat, April in Hanoi is a treat in itself!

Month	Avg. Max Temp (°C)	Avg. Min Temp (°C)	Avg. Sunshine Hours	Rainy Days	Avg. Rainfall (mm)	Avg. Humidity (%)
April	27	21	6	10	140	70

In April, locals in Hanoi are selling fruits.

Hanoi Weather in May: Early Summer with Rising Temperatures and Humidity

When May comes, Hanoi begins to feel like summer. The temperatures increase from 24°C to 31°C, and the humidity level also starts rising. The days lengthen and the sun shines brightly, making it the ideal season to explore Hanoi's historical sites or take a day trip to an area attraction like getting to Halong Bay from Hanoi.

The humidity will make it feel slightly hotter than the actual temperature so make sure to drink plenty of water and wear light clothes to feel comfortable while you explore.

Month	Avg. Max Temp (°C)	Avg. Min Temp (°C)	Avg. Sunshine Hours	Rainy Days	Avg. Rainfall (mm)	Avg. Humidity (%)
May	31	24	7	12	210	80

National Museum in Hanoi

Hanoi Weather in June: Peak Summer, Hot and Humid with Frequent Rain

June, the hottest month in Hanoi, when temperatures range from 26°C to 34°C, is hot and humid, with high levels of moisture in the air. It will probably get frequent rain showers in the afternoon; this might provide a little relief from the heat, but it also means you'll have to figure out activities that suit the weather.

If coming to Vietnam in June, make sure to pack lightweight, comfortable clothes as well as an umbrella or raincoat - you'll be glad when those showers come through!

Month	Avg. Max Temp (°C)	Avg. Min Temp (°C)	Avg. Sunshine Hours	Rainy Days	Avg. Rainfall (mm)	Avg. Humidity (%)
June	34	26	8	14	220	81

Hanoi in June is full of lush greenery, attracting some tourists

Hanoi Weather in July: Rainy Season Begins with Humid and Rainy Weather

July is one of the wettest months in Hanoi, with temperatures keeping between 26°C and 34°C. During the Vietnam rainy season, the rain and humidity can make it feel even hotter, and the showers are usually heavy but short, lasting about an hour.

If you don't mind the occasional rain, July is still a good time to enjoy indoor cultural attractions in Hanoi, like the city's museums and temples - just take an umbrella, and you'll be good to go!

Month	Avg. Max Temp (°C)	Avg. Min Temp (°C)	Avg. Sunshine Hours	Rainy Days	Avg. Rainfall (mm)	Avg. Humidity (%)
July	34	26	7	16	320	83

Hanoi Weather in August: Late Summer with Hot, Humid, and More Rain

August is much like July - hot and humid. Min/max temperatures are from 26°C to 33°C and rain showers are common. Due to the humidity, it can feel rather intense, so staying cool and hydrated is key. On the other side, August is the time when nature in Hanoi is flourishing with greenery.

If planning to be outside, try to schedule your activities in the early morning or later in the evening (like visiting Beer Street in Hanoi) when it's a little cooler out.

Month	Avg. Max Temp (°C)	Avg. Min Temp (°C)	Avg. Sunshine Hours	Rainy Days	Avg. Rainfall (mm)	Avg. Humidity (%)
August	33	26	6	16	280	82

National Museum in Hanoi in August.

Hanoi Weather in September: Transition to Autumn with Temperatures Cooling Down

September is a beautiful time in Hanoi, as the city begins its transition from summer to autumn. The temperatures start to cool off, ranging between 24°C and 31°C, and the rain decreases.

The humidity drops too, making it far more comfortable to explore. This is among a great time to visit Vietnam, with clear skies and the city looking especially beautiful. Great weather for visiting sights and all Hanoi has to offer!

Month	Avg. Max Temp (°C)	Avg. Min Temp (°C)	Avg. Sunshine Hours	Rainy Days	Avg. Rainfall (mm)	Avg. Humidity (%)
September	31	24	6	14	250	81

September in Hanoi is a time of fall, with lots of leaves on the streets.

Hanoi Weather in October: Autumn Begins with Mild and Sunny Days

With an average temperature fluctuating between 20°C and 28°C, October is the time when autumn arrives in Hanoi. While days are warm and sunny at this time, the nights are cool, and the humidity is at its lowest levels, so this is an ideal time for outdoor activities.

Setting sail on a boat ride or walking the Hanoi temples, the weather is just right. Parks and streets are filled with yellow and orange leaves, and Hanoi's famed lakes, including Hoan Kiem Lake, are even more beautiful. And this is an amazing time to be in the city!

Month	Avg. Max Temp (°C)	Avg. Min Temp (°C)	Avg. Sunshine Hours	Rainy Days	Avg. Rainfall (mm)	Avg. Humidity (%)
October	28	20	6	10	130	77

The streets of Hanoi in October are full of golden and have a unique flavor

Hanoi Weather in November: Pleasant Autumn with Crisp Air

It is one of the best months to travel to Hanoi! The climate is the mild, dry season, with average high temperatures between 17°C and 24°C.

It's an ideal time for exploration: the air feels crisp and cool with clear skies, low humidity, and pleasant temperatures are best for outdoor adventures, particularly a bike tour of the Old Quarter or a leisurely picnic in one of Hanoi's beautiful parks. Trust us, you are going to love Vietnam in November!

Month	Avg. Max Temp (°C)	Avg. Min Temp (°C)	Avg. Sunshine Hours	Rainy Days	Avg. Rainfall (mm)	Avg. Humidity (%)
November	24	17	5	7	60	74

The train is passing through the narrow streets of Hanoi.

Hanoi Weather in December: Winter Begins with Cool and Foggy Weather

December is truly winter in Hanoi, where the temperatures hover between 14°C and 21°C in a cool, misty atmosphere that on foggy mornings creates a magical aura in the city. While it's not very freezing, you'll still want a heavy coat to keep warm.

It's an excellent time to feel Hanoi's history and culture, and the cool air makes wandering around the city feel both pleasant and refreshing. It makes for a lovely atmosphere to soak in everything the sights and there are many things to do in Hanoi!

Month	Avg. Max Temp (°C)	Avg. Min Temp (°C)	Avg. Sunshine Hours	Rainy Days	Avg. Rainfall (mm)	Avg. Humidity (%)
December	21	14	4	6	30	75

December in Hanoi in winter has a very different feeling

When is the Best Time to Visit Hanoi? Choosing Your Ideal Time Based on Weather

Hanoi's best visit times are generally from February to April and October to November. The weather during all these months is pleasant, with mild temperatures and less rain, which are ideal for exploring around the city.

Plus, these months coincide with some of the biggest Vietnamese cultural festivals, including Tết (the Vietnamese New Year), allowing you to experience the city's unique traditions and festive celebrations. It's actually such a wonderful time to go visit!

Conclusion

Understanding the weather in Hanoi by month makes it easier to plan the perfect trip. Each month brings something exciting and new to the city; thus, there are special experiences to enjoy no matter when you go.

Knowing what to expect allows for time to be used best in this amazing city. That is to say, enjoy your Vietnam trip and have the best time discovering everything in Hanoi!