Weather in Bangkok 🇹🇭
Monthly weather averages & travel planning
April
Avg Temp
35°C
Rain Days
11 days
Sun Hours
11 hrs
Humidity
82%
Asia › 🇹🇭 Thailand › Bangkok
Updated: March 2026
Is April a Good Time to Visit Bangkok?
4/10
Fair
April is a fair time to visit Bangkok (4/10). With 11 daily sunshine hours and only 11 rain days, this month delivers genuinely reliable outdoor conditions, ranking it 4th sunniest of the year in Bangkok. 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 intense midday heat between noon and 4pm warrants strategic planning: front-load outdoor sightseeing before 11am, retreat indoors during peak heat, and resume in the late afternoon when temperatures ease. 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:34°C avg high
Visiting Bangkok in April means bold, midsummer heat topping 30°C. Factor in 11 potential rainy days and 82% average humidity when planning your daily activities.
35°C
95°F
Avg High
27°C
81°F
Avg Low
11 days
71 mm total
Rain Days
11h
per day avg
Sunshine
82%
Humid
Humidity
Temperature in Bangkok in April
The 8°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 82% humidity, the 35°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. Wind averages 16 km/h, light enough to be refreshing on warm days but noticeable in open coastal areas or elevated viewpoints. In Fahrenheit: 95°F average high, 81°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 Bangkok in April
Morning27°CBefore the day warms up
Afternoon35°CPeak daytime temperature
Evening30°CAfter sunset cools down
Packing for Bangkok in April means dressing for 35°C days and 27°C evenings. A lightweight linen or cotton shirt with loose-fit trousers or a sundress handles the 35°C daytime heat. Evening temperatures settle at 27°C, a modest 8°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 82% 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 Bangkok'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 Bangkok in April
April has no major festivals or public holidays in Bangkok, 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 Bangkok in April
Based on 35°C average highs and 11 rainy days
- Lightweight breathable clothing
- Linen or bamboo shirts for the hottest hours
- Sun hat with a wide brim
- UV-protective sunglasses
- Hydration bottle (at least 1 litre)
- 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 Bangkok in April
- Early morning walk through Bangkok's historic market districtBest before 9amTemperatures are still manageable at 31°C before the midday heat builds
- Open-air rooftop dining at sunsetFrom 6pm onwardsThe 35°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 Bangkok warm in April?
In April, Bangkok 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 35°C, with lower humidity than the wet months. Overnight lows of 27°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
Bangkok in April
In April, Bangkok experiences average highs of 35°C (95°F) and lows of 27°C (81°F). Expect around 11 rainy days and 11 hours of sunshine per day, with humidity averaging 82%. The 8°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.
Bangkok typically sees 11 rainy days in April, with total precipitation of around 71mm. 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 Bangkok 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 Bangkok in April. The 35°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 82% humidity.
April is a reasonable time to visit Bangkok. Expect 11 rainy days, so pack a light rain layer for flexibility. Average temperatures of 35°C make outdoor exploration comfortable during the dry periods. With 11 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 Bangkok in April is 35°C (95°F), and the average low is 27°C (81°F). The mean daily temperature is approximately 31°C (88°F). The day-to-night range of 8°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 Bangkok is generally January. January offers the most sunshine at 11 hours per day and only 3 rainy days. Average temperatures reach 31°C, making it comfortable for sightseeing, outdoor dining, and exploring the city. If your travel dates are flexible, planning your trip around January gives you the best chance of dry, bright weather.
April is shoulder or low season in Bangkok, meaning fewer tourists and generally lower prices than peak months. With 11 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, Bangkok suits a range of activities thanks to warm temperatures of 35°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 11 hours of sunshine, parks and waterfront walks are particularly enjoyable.
April ranks 4th sunniest of the year in Bangkok, with an average 11 daily sunshine hours. The driest months are December, January, and February. April is the hottest month (35°C avg high); October is the coolest (30°C). From here, temperatures fall 2°C into May. Compared to last month (March: 34°C high, 6 rain days), April is warmer and wetter. April sits in the middle of the annual sunshine ranking for Bangkok, offering a reasonable balance of good weather and manageable crowds.
Year-Round Climate
| Month | High | Low | Rain Days | Sun | Details |
|---|---|---|---|---|---|
| January | 31°C | 21°C | 3 | 11h | View |
| February | 32°C | 23°C | 3 | 11h | View |
| March | 34°C | 25°C | 6 | 11h | View |
| April | 35°C | 27°C | 11 | 11h | View |
| May | 33°C | 26°C | 21 | 10h | View |
| June | 32°C | 26°C | 22 | 10h | View |
| July | 32°C | 26°C | 23 | 9h | View |
| August | 31°C | 25°C | 24 | 8h | View |
| September | 31°C | 25°C | 26 | 9h | View |
| October | 30°C | 24°C | 21 | 9h | View |
| November | 31°C | 23°C | 7 | 10h | View |
| December | 31°C | 21°C | 2 | 10h | View |
January
3 rain days, 11h sun
31°21°
February
3 rain days, 11h sun
32°23°
March
6 rain days, 11h sun
34°25°
April
11 rain days, 11h sun
35°27°
May
21 rain days, 10h sun
33°26°
June
22 rain days, 10h sun
32°26°
July
23 rain days, 9h sun
32°26°
August
24 rain days, 8h sun
31°25°
September
26 rain days, 9h sun
31°25°
October
21 rain days, 9h sun
30°24°
November
7 rain days, 10h sun
31°23°
December
2 rain days, 10h sun
31°21°
Other Months in Bangkok
Plan Your Trip to Bangkok
Nearby Destinations
Cities within 500 km with comparable weather conditions
Data Sources for Bangkok
Climate normals represent 30-year averages (1991-2020). Individual years may vary.