Weather in Hanoi — today
Now in Hanoi
☀️
+29°
Clear
Feels like +33° · humidity 57%
Today 12.9: +30° / +24°
🕐 12:25
Wind
14 km/h
UV index
9
Air (AQI)
76 · Poor
Precipitation
22%
Humidity
57%
Pressure
1016 hPa
Sunrise / sunset
05:43 / 18:02
👕 What to wear today
Warm — a T-shirt and light trousers or shorts.
🧴 SPF 50Feels warmer by 4°
Weather for an activity:
Detailed weather information for Hanoi
Today, 12 September, Saturday, in Hanoi (Vietnam): partly cloudy, hot. During the day the air will warm up to +30°, at night around +24°. Due to high humidity it feels like +33°. UV is extreme (index 9) — better stay in the shade at midday. Wind up to 17 km/h. Brief rain is possible — an umbrella won't hurt. Light summer clothing will do — a T-shirt and shorts or light trousers. The sun will rise at 05:43 and set at 18:02 — daylight lasts 12 hours.Hourly weather in Hanoi
💧 The bars at the bottom show the hourly precipitation probability. Shaded areas of the chart are the dark hours (before sunrise 🌅 and after sunset 🌇).
Weather in Hanoi for 14 days
Tap a day to expand it by time of day and open the full forecast. The bar shows the range from the night low (left) to the day high (right).
▶
Today 12.9
☁️
💧 22%
+24° +30°
Morning
☁️
+26°
Day
☁️
+30°
Evening
🌇
+29°
Night
🌙
+24°
▶
Tomorrow 13.9
🌦️
💧 84%
+24° +32°
Morning
🌤️
+28°
Day
🌦️
+32°
Evening
🌇
+27°
Night
🌙
+24°
▶
Mon 14.9
⛈️
💧 98%
+24° +29°
Morning
⛈️
+26°
Day
⛈️
+29°
Evening
🌇
+28°
Night
🌙
+24°
▶
Tue 15.9
⛈️
💧 100%
+23° +28°
Morning
⛈️
+25°
Day
⛈️
+28°
Evening
🌇
+27°
Night
🌙
+23°
▶
Wed 16.9
⛈️
💧 94%
+24° +27°
Morning
⛈️
+25°
Day
⛈️
+27°
Evening
🌇
+26°
Night
🌙
+24°
▶
Thu 17.9
🌦️
💧 92%
+24° +29°
Morning
🌦️
+26°
Day
🌦️
+29°
Evening
🌇
+28°
Night
🌙
+24°
▶
Fri 18.9
⛈️
💧 83%
+24° +30°
Morning
⛈️
+26°
Day
⛈️
+30°
Evening
🌇
+29°
Night
🌙
+24°
▶
Sat 19.9
⛈️
💧 78%
+24° +30°
Morning
⛈️
+26°
Day
⛈️
+30°
Evening
🌇
+29°
Night
🌙
+24°
▶
Sun 20.9
🌦️
💧 69%
+24° +31°
Morning
🌦️
+27°
Day
🌦️
+31°
Evening
🌇
+29°
Night
🌙
+24°
▶
Mon 21.9
🌦️
💧 37%
+25° +31°
Morning
🌦️
+27°
Day
🌦️
+31°
Evening
🌇
+30°
Night
🌙
+25°
▶
Tue 22.9
🌦️
💧 33%
+25° +32°
Morning
🌦️
+28°
Day
🌦️
+32°
Evening
🌇
+30°
Night
🌙
+25°
▶
Wed 23.9
⛈️
💧 43%
+25° +30°
Morning
⛈️
+27°
Day
⛈️
+30°
Evening
🌇
+29°
Night
🌙
+25°
▶
Thu 24.9
🌦️
💧 37%
+24° +31°
Morning
🌦️
+27°
Day
🌦️
+31°
Evening
🌇
+29°
Night
🌙
+24°
▶
Fri 25.9
☁️
💧 34%
+24° +31°
Morning
☁️
+27°
Day
☁️
+31°
Evening
🌇
+29°
Night
🌙
+24°
🗺️ Precipitation radar
Precipitation radar (RainViewer) over a clean base map — updates every 5–10 minutes. Colours show nearby precipitation; if there is none, the map is simply clear — that is normal. Zoom with + / −.
Rain intensity:lightmoderateheavy
🎯 What to do in this weather — indices of the day
Comfort score from 0 (bad) to 100 (excellent), calculated from the day's weather. For “rain” and “UV” a percentage/risk level is shown.
🏃 Running
30 / 100
comfort for running · So-so
🧴 UV
81%
extreme · high
☂️ Rain
22%
possible · low
✨ Stars
73 / 100
evening visibility · Good
🧺 Laundry drying
54 / 100
will dry outside · Average
🚗 Car wash
69 / 100
no rain expected · Good
🌫️ Air quality
76
Poor air
European AQI
PM2.5: 27PM10: 28O₃: 151NO₂: 3
People with allergies or asthma should reduce time outdoors.
🌅 Sun, moon and sea
Sunrise
05:43
Sunset
18:02
Golden hour
17:33
Daylight
12 h (-1 min vs yesterday)
Hanoi climate by month
Long-term averages. Hover over a bar for details. The forecast for a specific month is a combination of the climate normal and the model forecast for the coming weeks.
+20°
+14°
Jan
+22°
+15°
Feb
+25°
+18°
Mar
+29°
+22°
Apr
+31°
+24°
May
+33°
+26°
Jun
+32°
+26°
Jul
+31°
+25°
Aug
+30°
+24°
Sep
+28°
+22°
Oct
+25°
+18°
Nov
+21°
+14°
Dec
swipe sideways →
Bar color shows temperature:frostcoolcomfortablewarmhot— best months to visit
| Month | Day | Night | Precipitation | What to pack and what makes the month notable (events, nuances) |
|---|---|---|---|---|
| January | +20° | +14° | 41 mm | Ideal weather: +20° daytime — neither hot nor cold. 🙂 a sweater for the evening. This is the coldest month of the year. |
| February | +22° | +15° | 28 mm | The most pleasant season: +22° by day, comfortable all day long. 🙂 a sweater for the evening. Weather-wise, one of the three best months to visit. |
| March | +25° | +18° | 56 mm | One of the best times to visit: +25° by day, fresh nights. 😊 light summer clothing. Weather-wise, one of the three best months to visit. |
| April | +29° | +22° | 100 mm | Gentle warmth — about +29° daytime, great walking weather. Frequent rain (100 mm over the month) — keep indoor backup plans. 😊 light summer clothing. |
| May | +31° | +24° | 233 mm | A comfortable month: +31° by day without exhausting heat. One of the wettest months (233 mm): downpours can derail plans. 😊 light summer clothing. |
| June | +33° | +26° | 227 mm | Hot (+33° by day) but dry — manageable with a sensible schedule. It's a rainy month (227 mm) — an umbrella is a must. ☀️ water and sunscreen. This is the hottest month of the year in Hanoi. |
| July | +32° | +26° | 266 mm | Up to +32° by day — hot, yet not muggy; mornings and evenings are pleasant. Frequent rain (266 mm over the month) — keep indoor backup plans. ☀️ water and sunscreen. |
| August | +31° | +25° | 320 mm | A comfortable month: +31° by day without exhausting heat. One of the wettest months (320 mm): downpours can derail plans. 😊 light summer clothing. Statistically the wettest month of the year. |
| September | +30° | +24° | 243 mm | Warm and comfortable: +30° by day, +24° at night. It's a rainy month (243 mm) — an umbrella is a must. 😊 light summer clothing. |
| October | +28° | +22° | 121 mm | Gentle warmth — about +28° daytime, great walking weather. Frequent rain (121 mm over the month) — keep indoor backup plans. 😊 light summer clothing. |
| November | +25° | +18° | 59 mm | The most pleasant season: +25° by day, comfortable all day long. 😊 light summer clothing. Weather-wise, one of the three best months to visit. |
| December | +21° | +14° | 35 mm | One of the best times to visit: +21° by day, fresh nights. 🙂 a sweater for the evening. The shortest daylight of the year — it gets dark early. |
When to visit Hanoi
✅ Recommended time to visit
🌟 Best time: February, March, November
Daytime air+22…+25°
Precipitationoften
Why: comfortable +22…+25° by day, little rain.
⚠️ Doable, with caveats
🌤️ Shoulder season: January, April, May, June, October, December
Daytime air+20…+33°
Precipitationoften
Why: noticeable rain risk (35–233 mm/month) — pack an umbrella and backup plans.
🔴 Not the best time
🌤️ Shoulder season: July, August, September
Daytime air+30…+32°
Precipitationoften
Why: the rainy season (243–320 mm/month) — downpours almost daily.
Bottom line: the best time to visit Hanoi is February, March, November, and the most comfortable months are February, March, November. The toughest months to visit are July, August, September: frequent rain.
🌡️ Today vs the climate normal
Today's high
+30°
Normal for September
+30°
Deviation
0° within normal
A year ago on this day
+31°
Record for this date
+35° (2021)
The normal, “a year ago” and the record come from the weather archive since 1940 (Open-Meteo / ERA5).
Weather archive for Hanoi
📅 See what the weather was like on any day since 1940. For example: “what was the weather on March 2, 2021”.
Show the archive for the selected day →
Show the archive for the selected day →
Weather in cities near Hanoi
Frequently asked questions about the weather in Hanoi
What is the weather in Hanoi right now?＋
Clear, +29°, feels like +33°.
Will it rain in Hanoi today?＋
No: 22% chance, 0 mm.
When is the best time to visit Hanoi?＋
Best time to visit — February, March, November.
What time are sunrise and sunset in Hanoi?＋
Sunrise 05:43, sunset 18:02.
Does it snow in Hanoi in winter?＋
No, it practically never snows.
What is the climate in Hanoi by month?＋
Summers up to +33° in June, winters around +14° in January; the wettest month is August.
How hot is it in Hanoi in summer?＋
☀️ Very hot. Drink more water, avoid the midday sun, sunscreen is needed.