SeasonMapCon Dao (Con Son) weather in December
Vietnam
December in Con Dao: warm, rainy, with muggy air — a great time to visit.
#5 of 12 months in Con Dao · #506 of 1383 destinations to visit in December · comfort 78/100 (tier B)
Updated September 2026 · climate normals from ERA5 reanalysis
Traveller notes on Con Dao in December
No notes yet. Open Con Dao on the map to add the first one.
Con Dao climate normals — December
| Daytime high | 26°C / 78°F | 🌤 warm |
|---|---|---|
| Nighttime low | 25°C / 77°F | |
| Sea temperature | 27°C / 81°F | 😎 warm sea |
| Rainfall | 91 mm / 3.6 in | 🌧 rainy |
| Rainy days | 10 days | |
| Humidity | 83% | 💦 very humid |
| Dew point | 23°C / 73°F | |
| Sunshine | 9.3 h/day | |
| Daylight | 11.6 h | |
| Wind | 37 km/h / 23 mph | |
| Air quality (US AQI) | 56 | 🙂 moderate |
Monthly averages from ERA5 reanalysis. AQI is the mean US Air Quality Index for the month.
Crowds in Con Dao in December
How busy the place itself is — school and mass holidays, the months an editor tagged, and how sought-after the weather makes them. Never part of the comfort score.
Shoulder seasonschool holidays in 5 of the markets that fill it, an ordinary month(estimated)
Peak crowdsBusyShoulder seasonQuiet
Best months for Con Dao's weather
Ranked by this destination's own climate comfort score across the year — a different thing from how busy it gets (see Crowds above).
Fair weatherCon Dao's weather peaks February–April, best around March.
Best weatherFair weatherToughest weather
Nearby, and something's on
Within 300 km of Con Dao — a day trip or a short hop — with something on this month. Never part of the comfort score.
Where is Con Dao?
Con Dao in December — FAQ
- Is December a good time to visit Con Dao?
- December in Con Dao: warm, rainy, with muggy air — a great time to visit. It ranks #5 of 12 months for Con Dao on SeasonMap's comfort score (78/100).
- What is the weather like in Con Dao in December?
- In December, Con Dao averages a daily high of 25.7°C and a low of 25.1°C, with about 90.5 mm of rain over roughly 9.6 rainy days.
- What is the air quality in Con Dao in December?
- Con Dao has a mean US Air Quality Index of about 56 in December.
Other months in Con Dao
Compare Con Dao in December
Warmer or cooler than Con Dao in December
Similar destinations in Southeast Asia — December
Within 300 km: Ho Chi Minh City's Ho Chi Minh City Marathon around 1–10 Dec.