Southeast Asia - When to Visit

When to Visit Southeast Asia

Climate guide & best times to travel

Singapore sits just one degree north of the equator, which means you're looking at a tropical rainforest climate with pretty consistent conditions year-round. There aren't really distinct seasons here in the traditional sense—instead, think of it as perpetually warm and humid with rainfall that can happen any month. That said, there are some patterns worth noting: the Northeast Monsoon (roughly December to early March) tends to bring heavier rainfall, while the drier stretch typically falls between June and August, though "drier" is relative when you're in one of the wettest places on Earth. Temperatures hover around 31-32°C (88-90°F) during the day and drop to about 24-25°C (75-77°F) at night throughout the year. The humidity sits consistently around 70-80%, which makes it feel warmer than the thermometer suggests. The good news for trip planning is that Singapore's modern infrastructure—ubiquitous air conditioning, covered walkways, and efficient public transit—means the weather rarely derails your plans. Rain showers are often brief and intense rather than all-day affairs, and locals have this down to a science of ducking into malls and hawker centers until it passes.

Best Time to Visit

Beach & Relaxation
June through August offers the driest conditions for beach days at Sentosa or the Southern Islands, though you'll still want to keep an eye on afternoon thunderstorms.
Cultural Exploration
February and March are ideal—Chinese New Year festivities add cultural vibrancy, and you're past the wettest monsoon period while avoiding the summer crowds.
Adventure & Hiking
April through June gives you slightly lower rainfall for exploring nature reserves like MacRitchie or Bukit Timah, with morning hikes being your best bet before the heat peaks.
Budget Travel
November through early December (excluding Christmas) tends to see fewer tourists and better hotel deals, despite being wetter—Singapore's indoor attractions make this workable.

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What to Pack

Year-Round Essentials

Compact travel umbrella
Rain can hit suddenly any month, and you'll use this more than you'd think—locals always carry one.
Light, breathable clothing in natural fabrics
Cotton and linen handle the humidity better than synthetics, which can feel suffocating in Singapore's heat.
High SPF sunscreen
Being so close to the equator means UV rays are intense year-round, even on cloudy days.
Lightweight cardigan or scarf
Air conditioning in malls, restaurants, and public transport is often set to arctic levels—the temperature shock is real.
Reusable water bottle
Tap water is safe to drink, and staying hydrated in the heat and humidity is essential.
Comfortable walking sandals
You'll be doing a lot of walking, and closed shoes in this humidity can be uncomfortable—just make sure they have good support.
Small backpack or crossbody bag
For carrying your umbrella, water, and layers between air-conditioned spaces and the heat outside.

Wetter Period (Nov-Feb)

Clothing
Quick-dry shorts and t-shirts, Rain jacket or waterproof layer, Extra pair of socks
Footwear
Waterproof sandals or shoes that dry quickly—your feet will likely get wet
Accessories
Waterproof phone case or bag, Compact microfiber towel
Layering Tip
Focus on items that dry quickly rather than staying warm, since even rain doesn't cool things down much.

Drier Period (Jun-Aug)

Clothing
Loose, breathable shirts, Light-colored clothing to reflect heat, Modest clothing for temples and mosques
Footwear
Breathable walking sandals or lightweight sneakers with moisture-wicking socks
Accessories
Wide-brimmed hat or cap, Polarized sunglasses
Layering Tip
Minimal layering needed outside, but keep that cardigan handy for heavily air-conditioned indoor spaces.

Inter-Monsoon (Mar-May)

Clothing
Moisture-wicking athletic wear, Light sundresses or linen pants, Swimwear for hotel pools
Footwear
Versatile sandals that work for both walking and getting caught in unexpected rain
Accessories
Cooling towel, Portable fan (locals use these)
Layering Tip
The heat can be oppressive, so prioritize ventilation over coverage except in air-conditioned spaces.

Inter-Monsoon (Sep-Nov)

Clothing
Mix of quick-dry and breathable fabrics, Light long sleeves for sun protection, Smart casual for restaurants
Footwear
Comfortable closed-toe shoes if you're doing nature walks, otherwise sandals work fine
Accessories
Insect repellent for nature reserves, Packable rain poncho
Layering Tip
Similar to other periods—the temperature barely changes, so it's about managing rain and air conditioning.
Plug Type
Type G (three rectangular prongs in triangular pattern, same as UK)
Voltage
230V, 50Hz
Adapter Note
Most travelers will need an adapter unless coming from UK, Malaysia, or Hong Kong—bring a universal adapter to be safe.

Skip These Items

Heavy jackets or winter clothing—you genuinely won't need anything warm Too many shoes—one pair of walking sandals and maybe sneakers for hiking is plenty Large bottles of toiletries—Singapore has pharmacies and supermarkets everywhere with familiar brands Beach towels—hotels and beach clubs provide them, and they take up valuable luggage space Excessive amounts of clothing—you'll likely want to do laundry or buy lighter items once you feel the humidity

Month-by-Month Guide

January

You're in the thick of the Northeast Monsoon, which means this is typically one of the wetter months. Expect afternoon thunderstorms and occasional prolonged rainy spells, though the temperature remains consistently warm. The humidity can feel particularly heavy when combined with the rain.

30°C (86°F) High
24°C (75°F) Low
240mm (9.4in) Rainfall
Medium Crowds
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February

The monsoon is starting to ease up, though rainfall is still fairly common. Chinese New Year usually falls in late January or February, bringing colorful festivities and a brief exodus of locals, which can make tourist areas surprisingly quiet mid-month. The weather remains warm and humid throughout.

31°C (88°F) High
24°C (75°F) Low
160mm (6.3in) Rainfall
Medium Crowds
View Details →

March

This is an inter-monsoon period with slightly less predictable weather patterns—you might get hot, sunny days followed by sudden thunderstorms. The humidity tends to feel more oppressive as the rain becomes less frequent but the heat builds. It's actually a decent time for exploring if you don't mind the occasional downpour.

32°C (90°F) High
25°C (77°F) Low
180mm (7.1in) Rainfall
Medium Crowds
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April

One of the warmer months with less frequent rainfall than the monsoon period, though afternoon thunderstorms are still common. The heat can feel intense, especially in the early afternoon, but mornings are generally pleasant for outdoor activities. This is shoulder season, so you'll find decent deals.

32°C (90°F) High
25°C (77°F) Low
170mm (6.7in) Rainfall
Medium Crowds
View Details →

May

The heat peaks around this time, with temperatures feeling particularly intense combined with the humidity. Rainfall starts to decrease as you move toward the drier months, though you'll still get the occasional heavy afternoon shower. The haze from Indonesian forest fires can sometimes be an issue, though it's unpredictable.

32°C (90°F) High
26°C (79°F) Low
160mm (6.3in) Rainfall
Medium Crowds
View Details →

June

This marks the beginning of the relatively drier Southwest Monsoon period. You'll still see rain, but it tends to be less frequent and intense than the winter months. School holidays in Singapore start mid-year, so local attractions can get busier, but international tourist numbers are moderate.

32°C (90°F) High
26°C (79°F) Low
130mm (5.1in) Rainfall
Medium Crowds
View Details →

July

Typically the driest month, though "dry" in Singapore still means occasional rain. The Great Singapore Sale runs through this period, attracting shopping enthusiasts. It's peak summer holiday season for many countries, so expect higher tourist numbers and prices, particularly at popular attractions and hotels.

31°C (88°F) High
26°C (79°F) Low
140mm (5.5in) Rainfall
High Crowds
View Details →

August

Continues the relatively drier pattern with warm, humid conditions. National Day celebrations on August 9th bring fireworks and festivities worth catching if you're around. The weather remains fairly consistent with brief afternoon showers being the main precipitation pattern.

31°C (88°F) High
26°C (79°F) Low
160mm (6.3in) Rainfall
High Crowds
View Details →

September

Another inter-monsoon month with variable weather—you might experience the Sumatra squalls, which are sudden, intense thunderstorms that typically roll in during the early morning hours. The Formula 1 Grand Prix usually happens in September, which drives up hotel prices significantly if you're not careful with timing.

31°C (88°F) High
25°C (77°F) Low
170mm (6.7in) Rainfall
High Crowds
View Details →

October

Rainfall starts to increase as you transition toward the wetter monsoon period. The weather can be unpredictable with heavy downpours becoming more frequent. Deepavali (Diwali) celebrations in Little India are worth experiencing, with the streets beautifully lit up for several weeks.

31°C (88°F) High
25°C (77°F) Low
190mm (7.5in) Rainfall
Medium Crowds
View Details →

November

The Northeast Monsoon kicks in, bringing increased rainfall and occasional thunderstorms. This is shoulder season for tourism, which means better hotel deals if you don't mind carrying an umbrella. The rain tends to be heavier and more sustained than the brief afternoon showers of drier months.

31°C (88°F) High
24°C (75°F) Low
260mm (10.2in) Rainfall
Low Crowds
View Details →

December

One of the wettest months, with the monsoon in full swing. That said, the holiday season brings festive decorations along Orchard Road and year-end celebrations that give the city a special atmosphere. Tourist numbers pick up significantly from mid-month through New Year's, driving up prices despite the wet weather.

30°C (86°F) High
24°C (75°F) Low
290mm (11.4in) Rainfall
High Crowds
View Details →

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