Dec · Jan · Feb
Winter (cool + damp): humidity often defines the chill
Avg low 14–17°C / high 20–23°C · Rainy days: 4–10 / 15–45 mm
- • On cloudy days, it can feel notably cooler and clammy.
- • Light knit/cardigan layers are useful.
- • Sitting outdoors for long stretches can feel chilly.
Suggested outfits
- · Light layers (cardigan/windbreaker)
- · Long pants/socks
- · Umbrella + water-safe pouch option
A note for travelers
Hanoi winter is less about deep cold and more about cool dampness—thin layers usually work best.
Mar · Apr · Oct · Nov
Shoulder seasons (variable): warm, then suddenly breezy
Avg low 18–23°C / high 25–31°C · Rainy days: 4–12 / 40–120 mm
- • Some days shift noticeably within a day.
- • Rain can bring a heavier, more humid feel.
- • Often great for walking—layers and a small umbrella help.
Suggested outfits
- · T-shirt + light outer layer
- · Breathable shoes
- · Compact umbrella/water-safe pouch
A note for travelers
In shoulder months, changing layers beats committing to one outfit all day.
May · Jun · Jul · Aug · Sep
Summer (hot + humid + showers): sweat, rain, and humidity shape the day
Avg low 25–27°C / high 31–35°C · Rainy days: 12–22 / 150–320 mm (often peaking Aug–Sep)
- • Heat can feel heavy rather than sharp.
- • Short intense showers can pause movement and soak clothes fast.
- • If you stay damp, strong AC can feel worse—thin layers help.
Suggested outfits
- · Quick-dry fabrics
- · Water-safe pouch
- · Footwear you can get wet in
A note for travelers
Summer often works best with a pause-and-move rhythm around showers.