Southeast Asia · Month-by-month weather, seasons and what to do — from Noura's Destination Finder.
🟢 Peak season · 🟠 Shoulder · ⚪ Off-peak
Average temperatures, sunshine and the feel of each month. Getting the timing right is half of a great trip.
| Month | Avg °F | Sun | Rain | Season | What it's like |
|---|---|---|---|---|---|
| January | 57–68°F | 3h | Low (20mm) | Off-Peak | Cool, grey and drizzly—misty Old Quarter mornings and quiet bays. |
| February | 60–70°F | 2h | Low (26mm) | Shoulder | Damp, festive Tet air—peach blossoms and lantern-lit streets. |
| March | 64–75°F | 2h | Low (47mm) | Peak | Mild and clearing—prime cruising before the summer heat and rain. |
| April | 71–84°F | 4h | Moderate (100mm) | Peak | Warm, comfortable and green—the north's sweet-spot travel month. |
| May | 76–89°F | 6h | High (200mm) | Shoulder | Hot and humid with building showers—head to sea breezes and shade. |
| June | 79–91°F | 6h | Very High (240mm) | Shoulder | Sweltering summer—storms build fast, but Cat Ba beaches stay busy. |
| July | 79–91°F | 6h | Very High (280mm) | Off-Peak | Hot, wet and typhoon-prone—short storms then steamy sun. |
| August | 78–90°F | 5h | Very High (315mm) | Off-Peak | Wettest month—monsoon storms and swollen rivers across the north. |
| September | 75–88°F | 5h | Very High (250mm) | Shoulder | Easing rains and mid-autumn lanterns—greenest terraces of the year. |
| October | 71–84°F | 6h | High (130mm) | Peak | Crisp, clear and golden—the classic autumn window for the north. |
| November | 64–78°F | 6h | Low (45mm) | Peak | Cool, dry and sunny—arguably the finest month to sail the bay. |
| December | 59–72°F | 4h | Low (22mm) | Shoulder | Chilly, calm and low-key—crisp bays and cozy Old Quarter cafés. |
Data cross-referenced from climate and flight sources; conditions vary year to year.
Hand-picked ideas for every month of the year — from Noura's Destination Finder.
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