Three days built around the heat: gardens early, something air-conditioned every afternoon, hawker centers for every meal and the free light shows after dark. Marina Bay, Chinatown to Kampong Glam, then the Botanic Gardens and Jewel.
It is 88 to 90°F (31 to 32°C) by day and 77°F (25°C) at night in every month. February to April is the drier window; November to January is the northeast monsoon, with December the wettest month and long afternoon downpours. Avoid the Grand Prix weekend in September unless you are going for it, when hotels around the bay double.
Where to base yourself
City Hall or Marina Bay to walk to everything on day 1. Chinatown and Tanjong Pagar for hawker centers and two MRT lines. Bugis and Kampong Glam for value and a neighborhood. Orchard only if you are here to shop.
Getting around
Tap any contactless Visa or Mastercard, or the card in your phone, on the MRT gates and buses: the same card in and out, fares of roughly S$1.30 to S$2.60 a ride, plus a S$0.60 admin fee per day on foreign cards. The MRT runs from about 5:30 a.m. to midnight. Grab is cheap and air-conditioned when the afternoon storm hits.
Both domes open at 9 a.m. and are cold inside, so do them first: Cloud Forest for the waterfall and walkways (in 2026 it also hosts the Jurassic World experience, included), Flower Dome for the Mediterranean rooms. Buy the two-dome ticket online.
Two stops on the Downtown line to Telok Ayer, or a 20-minute walk, to a Victorian iron market hall of hawker stalls: Hokkien mee, chicken rice, a kopi. Satay Street outside starts at 7 p.m. on weekdays and 3 p.m. on weekends.
The old Supreme Court and City Hall joined under one roof; Southeast Asian art from the colonial era to now. Open 10 a.m. to 7 p.m., cool, and big enough to wait out the afternoon storm.
Out as the heat eases: the Merlion, the Jubilee Bridge, the Esplanade's durian roofs and the Helix Bridge across to Marina Bay Sands. About three kilometers, all flat.
Open-air hawker stalls on the water: Gluttons Bay by the Esplanade, Satay by the Bay at the Gardens' eastern edge. Order barbecued stingray, carrot cake or satay, and eat early to be in position for the shows.
Spectra's fountains and lasers at the Marina Bay Sands Event Plaza run at 8 and 9 p.m. (10 too on Fridays and Saturdays) for 15 minutes. Then walk through the hotel to the Supertree Grove for Garden Rhapsody at 8:45 p.m. (also 7:45 p.m.) and lie on the grass; both are free.
Day 2
Tiong Bahru, Chinatown, Kampong Glam, Little India
Breakfast upstairs in the hawker center: chwee kueh at Jian Bo (from 5:30 a.m.), lor mai kai, kaya toast and kopi. Then twenty minutes among the 1930s Art Deco walk-ups and the cafés on Yong Siak Street.
One MRT stop or a 15-minute walk. The Buddha Tooth Relic Temple is free and open 7 a.m. to 7 p.m. (relic floors from 9 a.m.), shoulders and knees covered; Sri Mariamman, Singapore's oldest Hindu temple, is two blocks up South Bridge Road.
Across the road from the temple: Tian Tian chicken rice (Wednesday to Sunday) or Ah Tai next door with a shorter line, and Zhen Zhen porridge for the second plate. Chope a seat with a tissue packet before you line up.
Take the Downtown line to Bugis. The Sultan Mosque takes visitors 10 a.m. to noon and 2 to 4 p.m. (from 2:30 p.m. on Fridays), with robes lent at the door; Arab Street's textile shops and Haji Lane's murals are shaded enough for the hot hour.
A 15-minute walk up Rochor Canal Road. Teh tarik and the wet market at Tekka, the garland stalls on Buffalo Road, Tan Teng Niah's painted villa, then Sri Veeramakaliamman when it reopens at 4 p.m. (it closes 12:30 p.m. to 4 p.m.).
Komala Vilas on Serangoon Road for a vegetarian banana-leaf thali, dosai and filter coffee since 1947; Muthu's on Race Course Road for the fish head curry. Neither needs a reservation on a weeknight.
Open from 5 a.m. and free; the MRT station opens into the north end. Walk the rainforest patch and Swan Lake to the National Orchid Garden (S$15, opens at 8:30 a.m.), and go early because it is hot and humid by 9:30 a.m.
Take the Circle line to HarborFront, then the Marang Trail up to Mount Faber and across the wooden Henderson Waves bridge to Telok Blangah Hill: about 90 minutes, patchy shade, carry water. For a beach instead, Sentosa is free on foot across the Boardwalk from VivoCity.
The hawker center opposite HarborFront station: nasi lemak, Hainanese curry rice, a sugar cane juice. VivoCity's food court is the air-conditioned fallback.
Take the East West line to Changi Airport, about an hour with the change at Tanah Merah. The Rain Vortex waterfall and the Forest Valley are free and cold; Canopy Park on the top floor is S$8, and you do not need a flight.
A 20-minute Grab from the airport. Rent a bike by the lagoon and ride the beach path as the sun drops over the container ships; the sea breeze is the coolest air of the trip.
The hawker center on the beach: satay, barbecued chicken wings, sambal stingray and a Tiger at the tables under the trees. If you want chilli crab, Jumbo's East Coast branch is next door; book it.
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Pins are approximate. Tap one for the stop; the directions links open Google Maps.
The practical bits
From the airport
From Changi, the MRT East West line reaches City Hall in 35 to 45 minutes for around S$2 with a change at Tanah Merah; trains run from about 5:30 a.m. to 11:30 p.m. A taxi or Grab is 25 to 35 minutes and S$25 to S$45 with the airport surcharge (S$6, or S$8 after 5 p.m.).
What a day costs
About S$60 to S$100 a day per person. Hawker meals are S$5 to S$8, the two domes S$46, the National Gallery S$20, the Orchid Garden S$15, and a day of MRT rides under S$8. A chilli crab dinner adds S$80 or more a head.
Where to stay
Tiong Bahru
Art Deco housing estate, one of the best hawker centers and the bakeries and bookshops that followed. Quiet, residential, one MRT stop from Chinatown.
Kampong Glam and Bugis
The Sultan Mosque, Arab Street's textiles, Haji Lane's bars. Cheap hotels, late nights, a 15-minute walk to Little India.
Joo Chiat and Katong
Pastel Peranakan shophouses and the laksa stalls on East Coast Road. Not on this itinerary; worth an unhurried morning if you have a fourth day.
Got a day to spare?
Pulau Ubin
Singapore as it was in the 1960s: kampong houses, quarries, the Chek Jawa boardwalk. Bumboats from Changi Point leave when twelve people are aboard, 6 a.m. to 7 p.m., S$4 each way in cash (S$2 more for a bike). Rent a bicycle at the jetty.
Johor Bahru
Malaysia across the Causeway for Malay food and cheap shopping. Buses from Woodlands or Queen Street with two immigration halls; weekends line for hours. The RTS Link train from Woodlands North is due to open around the turn of 2027, which will cut it to minutes.
Bintan
Indonesian beaches about an hour by ferry from Tanah Merah Ferry Terminal to Bandar Bentan Telani; tickets from around S$50. Passport, a short arrival form, and resort day passes or a rented scooter.
Worth knowing
Plan the day around the heat: outside before 10 a.m. and after 5 p.m., something air-conditioned in between. Afternoon storms are short and heavy; a mall or a museum is the umbrella.
Tap in and out with the same contactless card or phone every time. Last MRT trains leave around midnight, so check the last train before a late night.
The fines that matter: no eating or drinking on the MRT (up to S$500), no littering (S$300 for a first offense), smoke only in marked areas, and no durian on the trains. Chewing gum is legal to chew but not to bring in or sell, so leave the pack at home.
Hawker center rules: put a tissue packet on a table to reserve it (chope), line at the stall, carry your own tray, and return it when you are done. Leaving a tray earns a warning the first time and a S$300 fine the second.
Tap water is safe, hawker meals are S$5 to S$8 and nobody tips. Carry a small amount of cash for older stalls and the Pulau Ubin bumboat.
Things you can ask once it’s in the app
Plans change. Ask Chat and it proposes a reshuffled day you can apply, or just answers the question.
It is pouring on day 2 at 3 p.m., what can we do indoors near Bugis?Add Sentosa's beaches instead of the Southern Ridges walkFind a halal dinner near Marina Bay before the light showHow do we get from Tiong Bahru to Chinatown on foot?Can we fit Pulau Ubin into day 3 and still make the Jewel show?
Questions
Is three days enough for Singapore?
Yes, for the bay, the neighborhoods and one green day. A fourth day adds Sentosa or Pulau Ubin; the city is small and the MRT fast.
Do I need a tourist transit card?
No. A contactless bank card or phone pays the same adult fares with a S$0.60 daily fee. An EZ-Link card costs S$10 with S$5 loaded if you would rather avoid the fee.
Which day works in the rain?
Day 1: the two domes, the National Gallery and Lau Pa Sat are all under cover, and the evening shows run in light rain. Waystop can build a rain version of day 3 beside the main plan, so the Botanic Gardens and the ridges wait for a dry morning.
How much does it cost?
About S$60 to S$100 a day. Hawker meals are S$5 to S$8, most sights are free, and the paid ones are S$15 to S$46. The money goes on chili crab or a rooftop bar.
Add your dates, your hotel and who’s coming, then ask Chat to change anything: it proposes the edit and you tap Apply. Want a long lunch instead of a museum? Just ask. Every place is checked against Google Maps before it lands on your day, and Chat can tell you when to leave for the next stop. Going on to another city? Build a multi-city trip.