Phong Nha weather in October
October in Phong Nha: warm, soaked, with very humid — a gamble, with 25 rainy days.
#8 of 12 months in Phong Nha · #872 of 897 destinations to visit in October · comfort 52/100 (tier D)
Updated June 2026 · climate normals from ERA5 reanalysis
Traveller notes on Phong Nha in October
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Phong Nha climate normals — October
| Daytime high | 27°C / 81°F | 🌤 warm |
|---|---|---|
| Nighttime low | 23°C / 73°F | |
| Rainfall | 744 mm / 29.3 in | ⛈ soaked |
| Rainy days | 25 days | |
| Humidity | 89% | 💦 very humid |
| Dew point | 23°C / 73°F | |
| Sunshine | 6.1 h/day | |
| Daylight | 11.7 h | |
| Wind | 16 km/h / 10 mph | |
| Air quality (US AQI) | 62 | 🙂 moderate |
Monthly averages from ERA5 reanalysis. AQI is the mean US Air Quality Index for the month.
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Phong Nha in October — FAQ
- Is October a good time to visit Phong Nha?
- October in Phong Nha: warm, soaked, with very humid — a gamble, with 25 rainy days. It ranks #8 of 12 months for Phong Nha on SeasonMap's comfort score (52/100).
- What is the weather like in Phong Nha in October?
- In October, Phong Nha averages a daily high of 27°C and a low of 22.8°C, with about 743.9 mm of rain over roughly 24.8 rainy days.
- What is the air quality in Phong Nha in October?
- Phong Nha has a mean US Air Quality Index of about 62 in October.