The short answer
When to go to Hoi An
The best window is February to May, when rain is low and days are warm and sunny; March and April are the pick. June to August is hot, with highs around 34 C, so sightsee early. From about September to December heavy rain sets in, October is the wettest month, and the Thu Bon River can flood the Old Town. For older travellers, March and April give the easiest balance of comfort and clear skies.
Month by month
Hoi An weather by month
| Month | High | Low | Rain | Verdict | What to expect |
|---|---|---|---|---|---|
| January | 25°C | 19°C | 82 mm | Cool and showery; the rainy season is ending | |
| February | 26°C | 20°C | 24 mm | Dry and mild; comfortable for walking | |
| March | 28°C | 22°C | 25 mm | Warm, dry, sunny days | |
| April | 31°C | 24°C | 35 mm | Warm and dry; the beach is at its best | |
| May | 33°C | 25°C | 81 mm | Hot but still mostly dry; start early | |
| June | 35°C | 26°C | 83 mm | Hot; keep midday free for rest | |
| July | 34°C | 26°C | 93 mm | Hot and humid; sightsee before 10 am | |
| August | 34°C | 26°C | 141 mm | Hot, with rising rain | |
| September | 32°C | 25°C | 351 mm | Heavy rain begins; typhoon risk | |
| October | 30°C | 24°C | 628 mm | The wettest month; flooding is possible | |
| November | 27°C | 22°C | 448 mm | Heavy rain; the river may flood the Old Town | |
| December | 25°C | 20°C | 218 mm | Cooler with continuing showers |
Temperatures and rainfall are long-term monthly averages. Check the forecast a few days before you travel.
Seasons at a glance
Hoi An seasons for families and seniors
The easiest months: March and April
- March: Warm, dry, sunny days
- April: Warm and dry; the beach is at its best
Good, with small trade-offs: February and May
- February: Dry and mild; comfortable for walking
- May: Hot but still mostly dry; start early
Possible, with planning: January, June, July, August and December
- January: Cool and showery; the rainy season is ending
- June: Hot; keep midday free for rest
- July: Hot and humid; sightsee before 10 am
- August: Hot, with rising rain
- December: Cooler with continuing showers
Best avoided with parents or children: September, October and November
- September: Heavy rain begins; typhoon risk
- October: The wettest month; flooding is possible
- November: Heavy rain; the river may flood the Old Town
Useful answers
Best time to visit Hoi An: FAQs
What is the best month to visit Hoi An?
March and April are the best months to visit Hoi An, with February and May also good. The best window is February to May, when rain is low and days are warm and sunny; March and April are the pick. June to August is hot, with highs around 34 C, so sightsee early. From about September to December heavy rain sets in, October is the wettest month, and the Thu Bon River can flood the Old Town. For older travellers, March and April give the easiest balance of comfort and clear skies.
Which months should I avoid in Hoi An with elderly parents?
September, October and November are the months to avoid with older travellers. Heavy rain begins; typhoon risk The wettest month; flooding is possible
When does it rain most in Hoi An?
October is the wettest month, with about 628 mm of rain on average. The hottest month is June, with average highs around 35°C.