30YearWeather
Hoi An, December 12
Hoi An street view during December
Historical Weather Analysis

Hoi An Weather on December 12 — Best Time to Visit?

Based on 30 years of historical data, we have the answer.

thunderstorm

24.6°C

High

21.3°C

Low

66%

Rain

☀️ Feels like 25.6°C (humidity)

rain
IT'S A GAMBLE
Peak Season

December 12 sees frequent showers in Hoi An. Historical data shows a 66% chance of rain, so pack accordingly. Temperatures average 25°C. You'll find plenty of company in Hoi An this month as tourism activity remains quite robust.

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 12

"Rainy & Overcast. Expect average highs of 24.6°C. 66% chance of rain."

What to Wear in Hoi An in December

Based on historical data for December 12, Hoi An typically experiences temperatures between 21.3°C and 24.6°C. We recommend packing t-shirt, light clothing, umbrella to stay comfortable. With a 66% chance of rain, keeping a raincoat or umbrella handy is a smart move.

Complete Packing Guide

Weekly breakdown & essential items for Hoi An

View Guide

Smart Suitcase

  • T-Shirt
  • Light Clothing
  • Umbrella

Average High

extreme-hot

24.6°C

Daytime Peak

Average Low

extreme-cold

21.3°C

Nighttime Low

Feels Like

partly-cloudy-day

25.6°C

☀️ Minor difference

Rain Chance

rain

66%

Avg 8.5mm if it rains

Cloud Cover

cloudy

79%

Moderate drizzle

Pressure

pressure

1015.3 hPa

Low volatility

Hoi An Weather Conditions & UV Index

Weather Confidence

30-year variance analysis

89%Highly Predictable

Based on 10 years of data

Temperature
±1.3°CStable
Precipitation
33-100%Unpredictable

🎯 This date historically delivers consistent weather 89% of the time. Safe to plan outdoor activities with confidence.

Sun Exposure

UV Index & Safety Guide

0Low
036811+

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?

72Good
TemperatureWarm
HumidityMuggy
WindBreezy

Dew Point

22.1°C

Humid/Sticky

Heat Stress

Low

No heat warning

🙂 Best outdoor time:
Any time during daylight hours

Marine Conditions

Water Temp
25.7°C
🛁 Tropical Bath
Avg daily surface temperature
Surf Conditions
1.59m
🌊 Surfers Only
Max daily wave height
Advisories

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

06:05

☀️ Noon

11:41

🌇 Sunset

17:17

⏱️ Daylight

11h 11m

Golden Hour
Morning06:05 - 06:36
16:46 - 17:17Evening

Wind Speed

wind

16.4 km/h

Gentle breeze

Sunshine

clear-day

5.5 hrs

Direct Sun (Cloud-free)

Humidity

humidity

86%

Humid / Damp

Travel Intelligence

Exclusive flight analytics & health data for Hoi An

Smart Flight Estimator

Airport-to-Airport Logistics

unlock smart flight estimates

Add your home location in settings to see airport details.

Travel Health & Safety in Hoi An

Travel Comfort Index

Real-time tourism conditions

Weather Quality

🌧️ Variable

47/100

Tourist Crowds

🟡 Busy

80/100

Price Level

💰💰💰 Expensive

95/100

Health & Wellbeing

Meteo-Health Forecast

100Score
Atmospheric Pressure1015.3 hPa
Volatility:Low
Migraine RiskLow

Stable conditions. Low risk of headaches.

Joint Pain RiskLow

Weather unlikely to affect joint pain.

Fishing IndexFair

Moderate fish activity expected.

Air Quality Forecast
53AQI
Moderate
PM2.5 Concentration13.7 µg/m³

Air quality is acceptable. Sensitive individuals should limit prolonged outdoor exertion.

Regional Safety Profile

Low

Seismic Activity

Rare minor tremors. Buildings are earthquake-resistant.

Total events (30y):5
In Dec (30y):0
💡 Very rare tremors. Standard travel precautions apply.
Very High

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 12 averages 24.6°C with a 66% precipitation probability. Wedding/Outdoor Event Score: 68/100."

— Source: 30YearWeather.com|Data: NASA POWER (1991-2021)|View Methodology

Hoi An Weather History (2010–2024)

Temperature History

Loading chart...

Hall of Fame

Records from last 10 years

Hottest
2025
27.5°C
Coldest
2022
20°C
Rainiest
2016
9.6mm

Compare Other Cities

Same date (December 12) in other destinations

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📍 Is Hoi An Worth Visiting on December 12?

Planning a trip to Hoi An on December 12? 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 24.6°C with a 66% 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 25.7°C (tropical bath). Wave conditions are generally surfers only with heights around 1.59m.

📊 Historical Extremes: The hottest December 12 recorded in the last 30 years saw temperatures hit 27.5°C in 2025, while the coldest dropped to 20°C in 2022.

Hoi An Weather FAQ