Verdict: Fair month
Singapore Weather in January
January runs warm in Singapore, with daily highs around 29°C (84°F) and nights near 23°C (73°F). It's also the wet side of the calendar: rain falls on about 25 days, so build flexibility into plans. January is workable in Singapore if your dates are fixed — just plan around the conditions.
Average high
29°C / 84°F
Average low
23°C / 73°F
Rain days
~25
Precipitation
295 mm
What to pack for Singapore in January
- Summer clothes, plus one light layer for air-con and evenings
- High-SPF sunscreen, sunglasses, and a refillable water bottle
- Rain gear is non-negotiable — expect rain on roughly 25 days
- Quick-dry shoes — downpours are short but heavy
- Comfortable walking shoes — every guide on this site assumes you'll use them
January against the rest of the year
Warmest in Singapore: Mar (31°C / 88°F) · Coolest: Jan (29°C / 84°F) · Wettest: Dec (~29 rain days)
29°
23°
Jan
30°
24°
Feb
31°
24°
Mar
30°
24°
Apr
30°
25°
May
29°
25°
Jun
30°
25°
Jul
29°
24°
Aug
30°
24°
Sep
30°
24°
Oct
30°
24°
Nov
30°
24°
Dec
Daily highs / lows in °C · bars show rain days per month · ERA5 climate normals (2020–2024)