Weather in Hanoi 🇻🇳
Monthly weather averages & travel planning
April
Avg Temp
29°C
Rain Days
11 days
Sun Hours
7 hrs
Humidity
78%
Asia › 🇻🇳 Vietnam › Hanoi
Updated: March 2026
Is April a Good Time to Visit Hanoi?
4/10
Fair
April is a fair time to visit Hanoi (4/10). With 7 daily sunshine hours and only 11 rain days, this month delivers genuinely reliable outdoor conditions, ranking it 7th sunniest of the year in Hanoi. April suits travellers visiting for indoor culture, food, and architecture rather than outdoor activities. Pack accordingly for 11 potential rain days. May offers a similar profile at lower hotel rates if dates are flexible. The main practical note: Hanoi's popular sites are busiest between 10am and 3pm regardless of season. Arriving at opening time or after 4pm makes a significant difference to the experience. Planning tips: most accommodation categories have availability, and last-minute deals are common. The quieter streets and shorter queues can make this a genuinely enjoyable time to visit for the right type of traveller. Budget-conscious visitors will find the best value of the year in this period.
vs March:25°C avg high
The single most important thing to know about visiting Hanoi in April: conditions are genuinely cooperative, with 29°C highs and only 11 wet days making this one of the more straightforward months to plan around. Precipitation totals 102mm for the month, spread across roughly 11 days, and 7 sunshine hours per day give you a reliable window for outdoor plans.
29°C
84°F
Avg High
22°C
72°F
Avg Low
11 days
102 mm total
Rain Days
7h
per day avg
Sunshine
78%
Humid
Humidity
Temperature in Hanoi in April
The 7°C day-night temperature range is typical for continental climates: a light jacket in the morning that you shed by midday and need again after sunset. At 78% humidity, the 29°C daytime high feels 2-4°C warmer in practice: quick-dry fabrics and shade-seeking between noon and 3pm are the sensible response. UV index averages 6 this month, classed as moderate. Sunscreen is a sensible precaution for extended outdoor time, particularly at midday. Winds are calm at an average 14 km/h, so wind-chill is not a factor in planning your clothing. In Fahrenheit: 84°F average high, 72°F overnight low. Data sourced from Open-Meteo ERA5 climate reanalysis (1991–2020 normals).
Temperature Trends
High
Low
Rainfall (mm)
0-20 mm21-50 mm51-100 mm100+ mm
What to Wear in Hanoi in April
Morning22°CBefore the day warms up
Afternoon29°CPeak daytime temperature
Evening25°CAfter sunset cools down
Packing for Hanoi in April means dressing for 29°C days and 22°C evenings. A lightweight linen or cotton shirt with loose-fit trousers or a sundress handles the 29°C daytime heat. Evening temperatures settle at 22°C, a modest 7°C drop that a light cardigan or denim jacket covers. For footwear, breathable walking sandals work for casual exploration, but closed-toe trainers are better for uneven surfaces in the historic centre. A compact foldable umbrella weighs almost nothing and earns its keep across 11 potential rainy days. For temple and religious site visits, carry a lightweight scarf or sarong to cover shoulders and knees, required at most major sites across the region. At 78% average humidity, quick-dry synthetic or bamboo fabrics dry overnight and stay comfortable longer than cotton.
Local tip: Loose-weave linen and moisture-wicking fabrics are the practical choice in Hanoi's heat and humidity. Many shopping centres run air conditioning at near-arctic levels, so a thin layer in your bag prevents discomfort indoors.
Events in Hanoi in April
April has no major festivals or public holidays in Hanoi, which is one of its practical advantages for independent travellers. Attractions run at lower capacity than during peak event periods, queues are shorter, and accommodation is easier to find without needing to book many months in advance. Local restaurants, markets, and transport operate at a relaxed pace, making this an ideal time for visitors who prefer a more authentic, unhurried experience of everyday city life rather than large crowds drawn in by a single major headline event.
What to Pack for Hanoi in April
Based on 29°C average highs and 11 rainy days
- Light layers for morning and evening
- Breathable T-shirts and comfortable trousers
- UV-protective sunglasses
- Quick-dry travel towel
- Anti-chafe balm for long walking days
- Moisture-wicking synthetic fabrics for active days
- Compact folding umbrella
- Waterproof outer layer or packable rain jacket
- Quick-dry clothing that recovers fast after a shower
- SPF 30+ sunscreen
- Comfortable walking shoes (a second pair lets the first air out overnight)
- Universal travel adapter
- Small day pack for city exploration
- Reusable water bottle
Best Activities in Hanoi in April
- Early morning walk through Hanoi's historic market districtBest before 9amTemperatures are still manageable at 25°C before the midday heat builds
- Open-air rooftop dining at sunsetFrom 6pm onwardsThe 29°C daytime heat drops noticeably after sunset, making al fresco dining comfortable
- Waterfront promenade or harbour walkEarly morning or after 5pmSea breezes cut through the humidity, making coastal routes the most pleasant in heat
- Guided cycling tour of the old quarterFirst tour of the day (7-9am)The low-traffic window before tourist crowds and the cooler morning air make this the prime riding slot
- Afternoon in a world-class museum or galleryAfternoon (2-5pm)Pairs well with outdoor morning activities and provides a mid-day rest from sightseeing
- Coffee-house or traditional cafe culture experienceMid-morning or post-lunchA cultural ritual in this region that rewards slow appreciation regardless of weather
- Evening live music, theatre, or opera performanceEvening shows typically at 7-9pmConsistent evening temperatures make getting to and from evening venues comfortable
- Visit the main botanical garden or city park at seasonal peakYear-round; best light in morningApril brings distinct seasonal changes to public green spaces worth exploring
- Seek out chilled local specialities: cold-brew tea, ice desserts, or chilled seafood at street-level stallsAny time; most atmospheric in evening marketsHot-weather street food culture peaks in April, with vendors setting up specifically for warm evenings
Why is Hanoi warm in April?
In April, Hanoi sits in the dry season corridor, as the ITCZ shifts away from the region and trade winds bring drier, more stable air. This produces reliably sunny days reaching 29°C, with lower humidity than the wet months. Overnight lows of 22°C offer a pleasant reprieve from the midday heat. Climate data: Open-Meteo ERA5 (1991–2020).
Sunshine Hours
The average number of hours per day with direct sunlight. Calculated from satellite measurements. Days with more than 7 hours of sunshine are ideal for outdoor activities. Under 3 hours means overcast conditions dominate.
UV Index
A scale from 0-11+ measuring ultraviolet radiation intensity. UV 0-2: Minimal risk. UV 3-5: Moderate, wear sunscreen. UV 6-7: High, hat and SPF 30+ essential. UV 8-10: Very High, limit midday exposure. UV 11+: Extreme, seek shade between 10am-4pm.
Rain Days
A rain day is counted when precipitation exceeds 0.1mm. This threshold captures even light drizzle. Unlike total rainfall in mm, rain days tells you how often you might need an umbrella, which is useful for planning outdoor activities.
Humidity
Relative humidity as a percentage. Below 40%: Dry, skin and throat may feel parched. 40-60%: Comfortable, ideal for most people. 60-80%: Sticky, light breathable fabrics recommended. Above 80%: Muggy, heat feels more intense; quick-dry clothing is essential.
Frequently Asked Questions
Hanoi in April
In April, Hanoi experiences average highs of 29°C (84°F) and lows of 22°C (72°F). Expect around 11 rainy days and 7 hours of sunshine per day, with humidity averaging 78%. The 7°C gap between daytime and overnight temperatures is worth planning around: light layers work for most visitors during the day, but an overshirt or cardigan handles the cooler evenings. UV index averages 6, so sun protection is advisable on clear days.
Hanoi typically sees 11 rainy days in April, with total precipitation of around 102mm. Rain is moderate and manageable. Showers tend to pass quickly, and a light rain layer or foldable umbrella is sufficient protection for most days. For context, the driest month in Hanoi typically sees 4-6 fewer rain days than April.
Pack lightweight, breathable clothing (linen or cotton), a wide-brim sun hat, SPF 50+ sunscreen, and a refillable water bottle for Hanoi in April. The 29°C daytime heat demands sun protection during midday hours, typically 11am to 4pm. A compact travel umbrella is also worth packing, as 11 rainy days means afternoon showers are a real possibility. Quick-dry synthetic fabrics are preferable to cotton in 78% humidity.
April is a reasonable time to visit Hanoi. Expect 11 rainy days, so pack a light rain layer for flexibility. Average temperatures of 29°C make outdoor exploration comfortable during the dry periods. With 7 daily sunshine hours, there are reliable windows of good weather to plan outdoor activities around, even if the month is not the driest on the calendar.
The average high temperature in Hanoi in April is 29°C (84°F), and the average low is 22°C (72°F). The mean daily temperature is approximately 26°C (78°F). The day-to-night range of 7°C is moderate, meaning a single light jacket covers most situations. These are 30-year climate normals based on the 1991 to 2020 reference period; individual years will vary, particularly in transitional months like spring and autumn.
The best month to visit Hanoi is generally April. April offers the most sunshine at 7 hours per day and only 11 rainy days. Average temperatures reach 29°C, making it comfortable for sightseeing, outdoor dining, and exploring the city. If your travel dates are flexible, planning your trip around April gives you the best chance of dry, bright weather.
April is shoulder or low season in Hanoi, meaning fewer tourists and generally lower prices than peak months. With 7 sunshine hours and 11 rainy days, the weather is less of a draw for mass tourism. This is an advantage for travellers who prefer a quieter, more relaxed experience with shorter queues and easier accommodation availability.
In April, Hanoi suits a range of activities thanks to warm temperatures of 29°C. Mix of indoor and outdoor activities works well given the moderate chance of rain. Top options include exploring historic neighbourhoods, visiting museums and galleries, local food markets, and day trips to surrounding areas. With 7 hours of sunshine, parks and waterfront walks are particularly enjoyable.
April ranks 7th sunniest of the year in Hanoi, with an average 7 daily sunshine hours. The driest months are November, December, and January. June is the hottest month (33°C avg high); January is the coolest (20°C). From here, temperatures rise 2°C into May. Compared to last month (March: 25°C high, 11 rain days), April is warmer and equally dry. April sits in the middle of the annual sunshine ranking for Hanoi, offering a reasonable balance of good weather and manageable crowds.
Year-Round Climate
| Month | High | Low | Rain Days | Sun | Details |
|---|---|---|---|---|---|
| January | 20°C | 13°C | 8 | 4h | View |
| February | 22°C | 15°C | 8 | 4h | View |
| March | 25°C | 18°C | 11 | 4h | View |
| April | 29°C | 22°C | 11 | 7h | View |
| May | 31°C | 24°C | 17 | 8h | View |
| June | 33°C | 26°C | 19 | 8h | View |
| July | 32°C | 26°C | 21 | 8h | View |
| August | 31°C | 25°C | 23 | 8h | View |
| September | 30°C | 24°C | 19 | 8h | View |
| October | 28°C | 21°C | 12 | 8h | View |
| November | 25°C | 18°C | 7 | 7h | View |
| December | 21°C | 14°C | 7 | 6h | View |
January
8 rain days, 4h sun
20°13°
February
8 rain days, 4h sun
22°15°
March
11 rain days, 4h sun
25°18°
April
11 rain days, 7h sun
29°22°
May
17 rain days, 8h sun
31°24°
June
19 rain days, 8h sun
33°26°
July
21 rain days, 8h sun
32°26°
August
23 rain days, 8h sun
31°25°
September
19 rain days, 8h sun
30°24°
October
12 rain days, 8h sun
28°21°
November
7 rain days, 7h sun
25°18°
December
7 rain days, 6h sun
21°14°
Other Months in Hanoi
Plan Your Trip to Hanoi
Nearby Destinations
Cities within 500 km with comparable weather conditions
Data Sources for Hanoi
Climate normals represent 30-year averages (1991-2020). Individual years may vary.