30YearWeather
Hoi An, August 13
Hoi An street view during August
Historical Weather Analysis

Hoi An Weather on August 13 — Best Time to Visit?

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

cloudy

34°C

High

26.9°C

Low

38%

Rain

🔥 Feels like 48.3°C (humidity)

partly-cloudy-day
YES, GOOD CHOICE
Peak Season

August 13 is generally a great time to visit Hoi An. While there is a slight chance of rain (38%), showers are usually brief. Expect comfortable 34°C weather. Hoi An is currently in its most popular travel window, meaning vibrant crowds and premium pricing.

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 August 13

"Warm & Sunny. Expect average highs of 34°C. 38% chance of rain."

What to Wear in Hoi An in August

Based on historical data for August 13, Hoi An typically experiences temperatures between 26.9°C and 34°C. We recommend packing t-shirt, light clothing, umbrella to stay comfortable. With a 38% 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

34°C

Daytime Peak

Average Low

extreme-cold

26.9°C

Nighttime Low

Feels Like

partly-cloudy-day

48.3°C

🔥 Heat index effect

Rain Chance

rain

38%

Avg 2.3mm if it rains

Cloud Cover

cloudy

80%

Light drizzle

Pressure

pressure

1005.1 hPa

Low volatility

Hoi An Weather Conditions & UV Index

Weather Confidence

30-year variance analysis

88%Highly Predictable

Based on 10 years of data

Temperature
±2.4°CStable
Precipitation
19-70%Unpredictable

🎯 This date historically delivers consistent weather 88% of the time. Safe to plan outdoor activities with confidence.

Sun Exposure

UV Index & Safety Guide

3.8Moderate
036811+

Protection Needed

SPF 30 recommended

Safe Sun Windows
Morning

05:00 - 10:00

Afternoon

16:00 - 18:00

Time to Sunburn

Type I-II

🔴 21 min to burn

Type III-IV

🟡 32 min to burn

Type V-VI

🟢 53 min to burn

UV estimate based on latitude, season & cloud cover. Actual UV may vary.

Outdoor Comfort

How pleasant is it outside?

34Uncomfortable
TemperatureVery Hot
HumidityMuggy
WindLight Breeze

Dew Point

28.5°C

Humid/Sticky

Heat Index

48.3°C

Feels hotter

😣 Best outdoor time:
Early morning (6-9 AM) or evening (after 6 PM)

Marine Conditions

Water Temp
31°C
🔥 Hot Soup
Avg daily surface temperature
Surf Conditions
0.33m
🌊 Lake-like
Max daily wave height
Advisories

Jellyfish Warning

High water temps may attract jellyfish swarms.

Swim Index

✅ Excellent Swimming Conditions

Travel & Logistics Insights

Local Calendar

Business Day

Standard hours in Vietnam

Flight Traffic

High

95/100 pressure index

Health Advisory

Required

2 vaccines • View Details →

Landing Slots

~144

Daily arrival options (inc. codeshare)

Sunrise, Sunset & Wind in Hoi An

Daylight & Sun

Solar Elevation Cycle

🌅 Sunrise

05:32

☀️ Noon

11:53

🌇 Sunset

18:13

⏱️ Daylight

12h 41m

Golden Hour
Morning05:32 - 06:01
17:44 - 18:13Evening

Wind Speed

wind

12.2 km/h

Gentle breeze

Sunshine

clear-day

10.7 hrs

Direct Sun (Cloud-free)

Humidity

humidity

73%

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

⛅ Good

70/100

Tourist Crowds

🔴 Very Busy

100/100

Price Level

💰💰💰 Expensive

100/100

Health & Wellbeing

Meteo-Health Forecast

85Score
Atmospheric Pressure1005.1 hPa
Volatility:Low
Migraine RiskLow

Stable conditions. Low risk of headaches.

Joint Pain RiskMedium

Mild discomfort possible for arthritic conditions.

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 Aug (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 August 13 averages 34°C with a 38% precipitation probability. Wedding/Outdoor Event Score: 78/100."

— 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
2023
38.8°C
Coldest
2025
25.2°C
Rainiest
2021
4.2mm

Better Alternatives Nearby

Consider these dates within ±7 days

💡 Moving your event by a few days could significantly improve weather conditions

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Same date (August 13) in other destinations

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📍 Is Hoi An Worth Visiting on August 13?

Planning a trip to Hoi An on August 13? Our historical weather analysis based on 30 years of NASA satellite data shows that this time of year typically offers vibrant summer conditions averaging 34°C with a 38% historical precipitation risk.

✈️ Travel Logistics: Approximately 144 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 31°C (hot soup). Wave conditions are generally lake-like with heights around 0.33m.

📊 Historical Extremes: The hottest August 13 recorded in the last 30 years saw temperatures hit 38.8°C in 2023, while the coldest dropped to 25.2°C in 2025.

Hoi An Weather FAQ