Climate in Hoi An — Annual Weather Overview
Hoi An has a tropical climate — hot and humid year-round with a distinct wet season. The hottest month is June (average high 34.7°C) and the coolest is January (23.8°C). There is a noticeable seasonal temperature shift of 10.9°C between June and January. Annual rainfall totals around 2632mm. October is the wettest month at 707.3mm, while March averages just 54.6mm. Average daily sunshine is 9.0 hours.
**Spring (March, April, May):** average highs 29.8°C, 256mm rain. **Summer (June, July, August):** average highs 34.0°C, 296mm rain. **Autumn (September, October, November):** average highs 28.5°C, 1435mm rain. **Winter (December, January, February):** average highs 24.2°C, 645mm rain.
Hoi An — Monthly Temperatures
Hoi An — Monthly Rainfall
✅ Best months to visit
All year
ℹ️ No months to avoid
Weather in Hoi An stays reasonable all year.
Hoi An weather by month
| Month | High | Low | Rain | Sun/day | Rainy days | Rating |
|---|---|---|---|---|---|---|
| January | 23.8°C | 19.6°C | 156.1mm | 6.6h | 19 | 9/10 |
| February | 24.7°C | 19.9°C | 84.6mm | 8.4h | 14 | 10/10 |
| March | 27.7°C | 22.4°C | 54.6mm | 10.7h | 9 | 10/10 |
| April | 29.4°C | 23.9°C | 113.7mm | 10.5h | 11 | 9/10 |
| May | 32.3°C | 25.7°C | 87.6mm | 11.2h | 13 | 10/10 |
| June | 34.7°C | 26.9°C | 58.0mm | 11.5h | 10 | 10/10 |
| July | 33.5°C | 26.4°C | 102.7mm | 10.9h | 13 | 9/10 |
| August | 33.8°C | 26.6°C | 135.5mm | 10.5h | 18 | 9/10 |
| September | 30.8°C | 25.3°C | 329.2mm | 9.3h | 22 | 8/10 |
| October | 28.0°C | 24.2°C | 707.3mm | 6.2h | 28 | 8/10 |
| November | 26.8°C | 23.1°C | 398.1mm | 6.9h | 24 | 8/10 |
| December | 24.2°C | 20.9°C | 404.2mm | 4.9h | 26 | 8/10 |
For the full verdict on when to go, see the best time to visit Hoi An and the Hoi An rainy season guide. Seasonal breakdowns: spring, summer, autumn and winter.
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Frequently Asked Questions
What type of climate does Hoi An have?
Hoi An has a tropical climate — hot and humid year-round with a distinct wet season. Average highs range from 23.8°C in January to 34.7°C in June.
What is the hottest month in Hoi An?
June is the hottest month in Hoi An, with average highs of 34.7°C and lows of 26.9°C.
What is the coldest month in Hoi An?
January is the coolest month, with average highs of 23.8°C and lows of 19.6°C.
What is the wettest month in Hoi An?
October is the wettest month, averaging 707.3mm of rainfall over around 28 rainy days.
When is rainy season in Hoi An?
Rainy season in Hoi An runs April and July to January, when rainfall is significantly higher than the rest of the year. Full rainy season guide →
How much rain does Hoi An get per year?
Hoi An receives around 2632mm of rain per year. The driest month is March (54.6mm).
When is the best time to visit Hoi An?
The best time to visit Hoi An is All year. See the full month-by-month guide →
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For the packing side of things, our sister site has a ready-made checklist: Hoi An packing list at 247PackingList. For currency, language and country facts see the Vietnam guide at 247CountryInfo. Some travellers fund a longer stay in Hoi An by teaching English along the way — a TEFL certificate is usually all it takes.
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Climate data sourced from Open-Meteo (open source, open data licence). Monthly averages calculated from 2020–2023 historical data. Weather can be unpredictable — always check a live forecast before travelling.