Quick Summary: Mai Chau weather is mild and green, from 16.9°C in January to 28.6°C in June. The best time to visit is October to early November, when the rice is golden and rain days fall to 10–16 a month.
Mai Chau sits in a green valley bowl ringed by hills, so cool air and morning fog settle over the rice fields and stilt houses. In summer, afternoon heat builds fast and short storms roll through.
Mai Chau Weather at a Glance
- Best months: October and November (21.4–23.9°C, 10–16 rain days a month) and March–April (21.9–25.0°C).
- Average temperature: from 16.9°C in January to 28.6°C in June.
- Wet season: May to September, with 19–25 rain days a month. August peaks at 25 rain days.
- Cool season: December to February, 16.9–18.1°C, with 8–10 rain days a month and foggy mornings.
Best Time to Visit Mai Chau
October and early November give the best Mai Chau weather. Rain days fall to 10–16 a month, temperatures are 21.4–23.9°C, and the rice fields around the valley are usually golden in late September and October.
March and April are also pleasant (21.9–25.0°C) and good for cycling, though you may get some rain (12–13 rain days a month). December to February is dry (8–10 rain days a month) but cool and foggy in the mornings. July to September is the wettest stretch, with 22–25 rain days a month.
Mai Chau Weather by Season
- Winter (December–February): 16.9–18.1°C, 8–10 rain days a month. Cool, dry and foggy in the mornings.
- Spring (March–April): 21.9–25.0°C, 12–13 rain days a month. Warm days and fresh greens.
- Summer (May–September): 26.4–28.6°C, 19–25 rain days a month. Hot and humid, with heavy showers.
- Autumn (October–November): 21.4–23.9°C, 10–16 rain days a month. Golden rice and comfortable temperatures.
For a general overview of the wet and dry seasons, see Vinpearl’s Mai Chau weather guide, which places the rainy season from May to October.
Daily Weather & Humidity Insights
- Humidity: it averages around 80% over the year, so damp mornings and sticky summer afternoons are normal.
- Fog in winter: cold air sinks into the valley, so mist can linger until mid-morning even when the hills above are clear.
- Stilt house nights: the open, raised floors let cool air in, so winter nights can feel colder than the daily average.
- Summer storms: showers are often short and heavy, and can pass in under an hour.
What to Wear and Pack
- Light layers: a jacket for December to February evenings and a thin layer for cool nights in other months.
- Rain jacket: a compact one for May to October.
- Cycling shoes: comfortable sneakers for village paths and rice-field trails.
- Sun and bugs: a hat, sunscreen and mosquito repellent for humid months.
Essential Local Tips
- Cycle at the cool ends of the day: aim for 6 to 9 am and late afternoon, and rest at midday in summer.
- Check mountain roads in July to September: heavy rain can cause landslides and flooding on mountain routes to and from Hanoi, so keep some time flexible.
- Plan around harvest and cold: book stilt-house homestays early for late September and October weekends, and ask for extra blankets in winter.
Ready to plan the rest of your trip? See more things to do in our full Mai Chau travel guide.
