Monthly weather in Phong Nha
Averages computed from the last few years of Open-Meteo archive data for this city — useful as a rough seasonal guide, not a 30-year climate normal. Based on recorded weather from 2023 to 2026.
- Layers work well — warm afternoons, cooler mornings and evenings.
- Carry a compact umbrella — showers are likely.
- Schedule flexible activities — many rainy days expected.


