Best months
January, February, and March
Warmest month
June, 35°C
Wettest month
August, 464 mm
Hanoi weather by month
Average daily high and low, total rainfall and days with at least 2.5 mm of rain.
| Month | High / low | Rain | Verdict |
|---|---|---|---|
| January | 21°C / 15°C | 52 mm · 4 days | Great |
| February | 20°C / 17°C | 40 mm · 4 days | Great |
| March | 25°C / 20°C | 59 mm · 5 days | Great |
| April | 29°C / 23°C | 126 mm · 6 days | Fair |
| May | 32°C / 25°C | 246 mm · 11 days | Hot |
| June | 35°C / 27°C | 250 mm · 11 days | Hot |
| July | 34°C / 27°C | 357 mm · 14 days | Hot |
| August | 33°C / 26°C | 464 mm · 16 days | Hot |
| September | 32°C / 26°C | 315 mm · 13 days | Hot |
| October | 30°C / 23°C | 189 mm · 9 days | Fair |
| November | 26°C / 20°C | 66 mm · 5 days | Great |
| December | 22°C / 16°C | 33 mm · 3 days | Great |
Hanoi by season
Spring
February to April brings mild temperatures (20-25°C) and blooming flowers, particularly beautiful cherry blossoms around West Lake.
- + Pleasant weather for exploration
- + Festival season including Tet (Lunar New Year)
- + Beautiful floral landscapes
- − Higher prices and crowds during Tet
- − Occasional light drizzle (spring rain)
Summer
May to August is hot (30-35°C) and humid with frequent afternoon thunderstorms, though the city remains vibrant.
- + Lush green scenery
- + Fewer tourists than peak seasons
- + Great for indoor museums and cafes
- − Intense heat and humidity
- − Heavy rainfall and potential flooding
Autumn
September to November offers arguably the best weather—cool, dry days (22-28°C) with clear skies and gentle breezes.
- + Ideal walking and photography conditions
- + Comfortable temperatures day and night
- + Clear views of landmarks
- − Peak tourist season (especially October)
- − Higher accommodation prices
Winter
December to January brings cooler temperatures (15-20°C) that can dip lower, with overcast skies and occasional drizzle.
- + Cool weather comfortable for exploring
- + Christmas and New Year festivities
- + Fewer crowds than autumn
- − Can feel chilly, especially at night
- − Grey skies and limited sunshine
Hanoi month by month
Hanoi in January
GreatIn January, Hanoi averages highs of 21°C and lows of 15°C, with about 4 rainy days and 52 mm of rain. It is one of the most comfortable months for sightseeing.
Hanoi in February
GreatIn February, Hanoi averages highs of 20°C and lows of 17°C, with about 4 rainy days and 40 mm of rain. It is one of the most comfortable months for sightseeing.
Hanoi in March
GreatIn March, Hanoi averages highs of 25°C and lows of 20°C, with about 5 rainy days and 59 mm of rain. It is one of the most comfortable months for sightseeing.
Hanoi in April
FairIn April, Hanoi averages highs of 29°C and lows of 23°C, with about 6 rainy days and 126 mm of rain. Expect mixed weather, with comfortable spells.
Hanoi in May
HotIn May, Hanoi averages highs of 32°C and lows of 25°C, with about 11 rainy days and 246 mm of rain. It is hot, so plan sightseeing for mornings and evenings.
Hanoi in June
HotIn June, Hanoi averages highs of 35°C and lows of 27°C, with about 11 rainy days and 250 mm of rain. It is hot, so plan sightseeing for mornings and evenings.
Hanoi in July
HotIn July, Hanoi averages highs of 34°C and lows of 27°C, with about 14 rainy days and 357 mm of rain. It is hot, so plan sightseeing for mornings and evenings.
Hanoi in August
HotIn August, Hanoi averages highs of 33°C and lows of 26°C, with about 16 rainy days and 464 mm of rain. It is hot, so plan sightseeing for mornings and evenings.
Hanoi in September
HotIn September, Hanoi averages highs of 32°C and lows of 26°C, with about 13 rainy days and 315 mm of rain. It is hot, so plan sightseeing for mornings and evenings.
Hanoi in October
FairIn October, Hanoi averages highs of 30°C and lows of 23°C, with about 9 rainy days and 189 mm of rain. Expect mixed weather, with comfortable spells.
Hanoi in November
GreatIn November, Hanoi averages highs of 26°C and lows of 20°C, with about 5 rainy days and 66 mm of rain. It is one of the most comfortable months for sightseeing.
Hanoi in December
GreatIn December, Hanoi averages highs of 22°C and lows of 16°C, with about 3 rainy days and 33 mm of rain. It is one of the most comfortable months for sightseeing.
Top tours and experiences in Hanoi
The tours and tickets travellers book most, with ratings and reviews from Viator.
Amanda Cruise Ha Long, Lan Ha Bay All Inclusive 2D1N and 3D2N
4.96,409 reviews48h
from €48
Check availability
5 Traditional Dishes Hanoi Cooking Class with Market Trip
5.06,089 reviews3h 15m
from €32
Check availabilityAll things to do in Hanoi →
Tours and prices from Viator, a Tripadvisor company. Prices change with your dates. We may earn a commission if you book, at no extra cost to you.
Plan your Hanoi trip
Best time to visit Hanoi: FAQ
What is the best month to visit Hanoi?+
January is the most comfortable month on average, with highs of 21°C. February and March are close behind.
What is the rainiest month in Hanoi?+
August is the wettest month, with about 464 mm of rain.
How hot does Hanoi get?+
June is the warmest month, with average highs of 35°C and lows of 27°C. The coldest nights come in January, averaging 15°C.
Averages for 2006–2025 from the HA DONG weather station (11 km from the centre), NOAA Global Historical Climatology Network. Verdicts rate sightseeing comfort from daytime highs and rainy days.