Historical data suggests significant rain risk (72%) on December 17. If you seek sun, consider a different date. Bring rain gear! Hoi An is seeing high visitor numbers, so iconic spots may be busier than usual.
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Essential Travel Info for Hoi An
Currency
VND
₫ Vietnamese đồng
Language
Vietnamese
Driving
Right side
Connect
Most hotels, restaurants and cafés have ...
Safety
High Safety
GPI: 1.786
Hoi An Weather Forecast for December 17
"Rainy & Overcast. Expect average highs of 24°C. 72% chance of rain."
What to Wear in Hoi An in December
Based on historical data for December 17, Hoi An typically experiences temperatures between 20.9°C and 24°C. We recommend packing t-shirt, light clothing, umbrella to stay comfortable. With a 72% chance of rain, keeping a raincoat or umbrella handy is a smart move.
Complete Packing Guide
Weekly breakdown & essential items for Hoi An
Smart Suitcase
- T-Shirt
- Light Clothing
- Umbrella
Average High
24°C
Daytime Peak
Average Low
20.9°C
Nighttime Low
Feels Like
24.9°C
☀️ Feels accurate
Rain Chance
72%
Avg 7.8mm if it rains
Cloud Cover
83%
Light drizzle
Pressure
1016.7 hPa
Low volatility
Hoi An Weather Conditions & UV Index
Weather Confidence
30-year variance analysis
Based on 10 years of data
🎯 This date historically delivers consistent weather 90% of the time. Safe to plan outdoor activities with confidence.
Sun Exposure
UV Index & Safety Guide
Protection Needed
SPF 15 for extended outdoor time
UV estimate based on latitude, season & cloud cover. Actual UV may vary.
Outdoor Comfort
How pleasant is it outside?
Dew Point
21.5°C
Humid/Sticky
Heat Stress
Low
No heat warning
🙂 Best outdoor time:
Any time during daylight hours
Marine Conditions
Marine Life
No special warnings. Enjoy the swim!
Swim Index
⚠️ Mixed Conditions
Travel & Logistics Insights
Local Calendar
Business Day
Standard hours in Vietnam
Flight Traffic
Busy
76/100 pressure index
Health Advisory
Required
2 vaccines • View Details →
Landing Slots
~115
Daily arrival options (inc. codeshare)
Sunrise, Sunset & Wind in Hoi An
Daylight & Sun
Solar Elevation Cycle
🌅 Sunrise
06:08
☀️ Noon
11:43
🌇 Sunset
17:19
⏱️ Daylight
11h 11m
Wind Speed
17.4 km/h
Gentle breeze
Sunshine
4.8 hrs
Direct Sun (Cloud-free)
Humidity
86%
Humid / Damp
Travel Intelligence
Exclusive flight analytics & health data for Hoi An
Smart Flight Estimator
Airport-to-Airport Logistics
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Travel Health & Safety in Hoi An
Travel Comfort Index
Real-time tourism conditions
Weather Quality
🌧️ Variable
Tourist Crowds
🟡 Busy
Price Level
💰💰💰 Expensive
Health & Wellbeing
Meteo-Health Forecast
Stable conditions. Low risk of headaches.
Weather unlikely to affect joint pain.
Moderate fish activity expected.
Air quality is acceptable. Sensitive individuals should limit prolonged outdoor exertion.
Regional Safety Profile
Seismic Activity
Rare minor tremors. Buildings are earthquake-resistant.
Typhoon Risk
Year-round risk present
Travel Alert: This region has elevated natural risks. We recommend registering with your embassy and keeping emergency numbers handy.
"According to 30YearWeather's analysis of 30 years of NASA satellite data, Hoi An on December 17 averages 24°C with a 72% precipitation probability. Wedding/Outdoor Event Score: 61/100."
— Source: 30YearWeather.com|Data: NASA POWER (1991-2021)|View Methodology
Hoi An Weather History (2010–2024)
Temperature History
Hall of Fame
Records from last 10 years
Better Alternatives Nearby
Consider these dates within ±7 days
December 22
23.4°C • 57% rain
Score
76
December 23
23.4°C • 57% rain
Score
76
December 24
23.4°C • 58% rain
Score
75
💡 Moving your event by a few days could significantly improve weather conditions
Compare Other Cities
Same date (December 17) in other destinations
🌍 Explore the same date in different destinations around the world
📍 Is Hoi An Worth Visiting on December 17?
Planning a trip to Hoi An on December 17? Our historical weather analysis based on 30 years of NASA satellite data shows that this time of year is characterized by pleasant mild weather averaging 24°C with a 72% historical precipitation risk.
✈️ Travel Logistics: Approximately 115 landing slots available daily during this period, indicating manageable crowd levels.
💉 Health Advisory: 10 vaccinations are recommended for Vietnam, including COVID-19.
🌊 Coastal Conditions: Water temperature averages 25.4°C (tropical bath). Wave conditions are generally surfers only with heights around 2.14m.
📊 Historical Extremes: The hottest December 17 recorded in the last 30 years saw temperatures hit 26°C in 2019, while the coldest dropped to 18.5°C in 2017.