What to wear in Singapore in December? With average highs of 86°F and lows of 75°F and 19 rain days — tied with November as Singapore's wettest month — December combines peak Northeast Monsoon rainfall with the city's spectacular Christmas and New Year celebrations. A packable rain layer and lightweight breathable clothing handle the month.
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top / Tank & Cami
tank top
breathable — lets heat escape in warm weather
bottom / Shorts
denim shorts
breathable fabric for high-heat days
lightweight linen pants for more coverage
footwear / Waterproof Boots
ankle boots
rubber sole for traction — keep feet dry all day
outerwear / Rain Jacket
shell jacket
lightweight
Based on typical December conditions in Singapore. Weather varies year to year — check the live forecast when you're within two weeks of your trip.
December in Singapore brings the Northeast Monsoon's heaviest rain of the year (19 days) alongside the city's extraordinary Christmas and New Year celebrations. The slightly cooler 86°F average high — Singapore's lowest alongside January — and the 75°F overnight lows represent the city's 'coolest' period, a relative term that still means tropical warmth by global standards. Orchard Road's Christmas on a Great Street celebrations peak in December, transforming the entire shopping boulevard into one of Asia's most spectacular holiday light displays. New Year's Eve fireworks over Marina Bay Sands are world-class and draw massive crowds along the Marina Bay waterfront — warm evening temperatures (75°F minimum) make the outdoor countdown comfortable in Singapore's lightest breathable evening wear, while the Northeast Monsoon rain adds genuine unpredictability to outdoor New Year celebrations.
Warm conditions with light rain highlight the Essential Black Sleeveless Crop Top as the hero item. White straight-leg jeans with Black low-top tennis sneakers sustain the relaxed casual mood.
Warm conditions with light rain highlight the Navy linen sundress as the hero item. White low-top sneakers sustain the relaxed casual mood.
Hot conditions with light rain highlight the Navy linen sundress as the hero item. The Everyday Brown Leather Sandal with Brown woven leather belt sustains the relaxed casual mood.
Warm conditions with light rain highlight the Navy linen sundress as the hero item. The Padded Leather Thong Sandal with Classic Small Gold Hoop Earrings sustains the relaxed casual mood.
Warm conditions with light rain highlight the White smocked sundress as the hero item. Tan flat slide sandals with Simple Silver Curb Chain Bracelet sustain the relaxed casual mood.
December's 19 rain days at 86°F heat require Singapore's standard tropical kit with maximum rain readiness: a packable rain jacket for the Northeast Monsoon's sustained downpours, moisture-wicking breathable clothing, a thin indoor layer for air conditioning, quick-dry footwear, and SPF 50+ sunscreen for outdoor afternoon activities. For New Year's Eve outdoor celebrations at Marina Bay, bring a packable rain layer and stay flexible on timing.
December is one of Singapore's most festive months — the Orchard Road Christmas light-up reaches its peak, Christmas markets and events fill the city's shopping centres and hotels, and New Year's Eve fireworks over Marina Bay Sands are spectacular. The 19 rain days of the Northeast Monsoon are the trade-off, but Singapore's infrastructure for rain management (covered walkways, MRT, indoor attractions) makes the city highly functional despite the monsoon.
Waterproof or quick-dry footwear for December's peak monsoon rain. The Marina Bay waterfront area fills with thousands of people for New Year's Eve celebrations — comfortable, breathable shoes with grip handle both the crowds and the wet ground surfaces that result from Singapore's December monsoon. Avoid leather-soled dress shoes for outdoor Marina Bay events.
December ties November as Singapore's wettest month with 19 rain days. The Northeast Monsoon is at full strength, and the 86°F high and 75°F low — Singapore's coolest monthly average — still mean the rain falls in tropical warmth rather than cold. The New Year's Eve fireworks over Marina Bay Sands may be interrupted or adjusted for monsoon rain — have indoor backup plans.
Pack a packable rain jacket as the primary rain defence for December's peak monsoon, along with all Singapore tropical essentials: moisture-wicking lightweight clothing, thin indoor layer, SPF 50+, quick-dry footwear, and an insulated water bottle. December is peak tourism season — book New Year's Eve Marina Bay viewing locations and restaurants well in advance, as the best waterfront viewing spots and rooftop bars sell out months ahead.
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