30YearWeather
Ao Nang, December 20
Ao Nang street view during December
Historical Weather Analysis

Ao Nang Weather on December 20 — Best Time to Visit?

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

cloudy

28.8°C

High

23.3°C

Low

36%

Rain

🔥 Feels like 34.8°C (humidity)

partly-cloudy-day
YES, GOOD CHOICE
Peak Season

December 20 is generally a great time to visit Ao Nang. While there is a slight chance of rain (36%), showers are usually brief. Expect comfortable 29°C weather. Ao Nang is currently in its most popular travel window, meaning vibrant crowds and premium pricing.

Currency

THB

฿ Thai baht

Language

Thai

Driving

Left side

Safety

Moderate Safety

GPI: 2.098

Ao Nang Weather Forecast for December 20

"Warm & Sunny. Expect average highs of 28.8°C. 36% chance of rain."

What to Wear in Ao Nang in December

Based on historical data for December 20, Ao Nang typically experiences temperatures between 23.3°C and 28.8°C. We recommend packing t-shirt, light clothing, umbrella to stay comfortable. With a 36% chance of rain, keeping a raincoat or umbrella handy is a smart move.

Complete Packing Guide

Weekly breakdown & essential items for Ao Nang

View Guide

Smart Suitcase

  • T-Shirt
  • Light Clothing
  • Umbrella

Average High

extreme-hot

28.8°C

Daytime Peak

Average Low

extreme-cold

23.3°C

Nighttime Low

Feels Like

partly-cloudy-day

34.8°C

🔥 Heat index effect

Rain Chance

rain

36%

Avg 2.3mm if it rains

Cloud Cover

cloudy

75%

Light drizzle

Pressure

pressure

1010.8 hPa

Low volatility

Ao Nang Weather Conditions & UV Index

Weather Confidence

30-year variance analysis

97%Highly Predictable

Based on 10 years of data

Temperature
±1.4°CStable
Precipitation
18-60%Moderate

🎯 This date historically delivers consistent weather 97% 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?

48Poor
TemperatureHot
HumidityMuggy
WindLight Breeze

Dew Point

25.6°C

Humid/Sticky

Heat Index

34.8°C

Feels hotter

😕 Best outdoor time:
Morning hours (before 11 AM)

Marine Conditions

Water Temp
29.3°C
🔥 Hot Soup
Avg daily surface temperature
Surf Conditions
0.19m
🌊 Lake-like
Max daily wave height
Advisories

Marine Life

No special warnings. Enjoy the swim!

Swim Index

✅ Excellent Swimming Conditions

Travel & Logistics Insights

Local Calendar

Business Day

Standard hours in Thailand

Flight Traffic

High

87/100 pressure index

Health Advisory

Required

2 vaccines • View Details →

Landing Slots

~41

Daily arrival options (inc. codeshare)

Sunrise, Sunset & Wind in Ao Nang

Daylight & Sun

Solar Elevation Cycle

🌅 Sunrise

06:33

☀️ Noon

12:23

🌇 Sunset

18:12

⏱️ Daylight

11h 39m

Golden Hour
Morning06:33 - 07:03
17:42 - 18:12Evening

Wind Speed

wind

14.3 km/h

Gentle breeze

Sunshine

clear-day

9.3 hrs

Direct Sun (Cloud-free)

Humidity

humidity

83%

Humid / Damp

Travel Intelligence

Exclusive flight analytics & health data for Ao Nang

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 Ao Nang

Travel Comfort Index

Real-time tourism conditions

Weather Quality

⛅ Good

71/100

Tourist Crowds

🟡 Busy

80/100

Price Level

💰💰💰 Expensive

95/100

Health & Wellbeing

Meteo-Health Forecast

85Score
Atmospheric Pressure1010.8 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
41AQI
Good
PM2.5 Concentration11.1 µg/m³

Air quality is excellent. Perfect for outdoor activities.

Regional Safety Profile

Low

Seismic Activity

Rare minor tremors. Buildings are earthquake-resistant.

Total events (30y):1
In Dec (30y):0
💡 Very rare tremors. Standard travel precautions apply.
Moderate

Cyclone Risk

Season: Apr - Dec

"According to 30YearWeather's analysis of 30 years of NASA satellite data, Ao Nang on December 20 averages 28.8°C with a 36% precipitation probability. Wedding/Outdoor Event Score: 85/100."

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

Ao Nang Weather History (2010–2024)

Temperature History

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Hall of Fame

Records from last 10 years

Hottest
2023
31.7°C
Coldest
2017
21.2°C
Rainiest
2016
16.2mm

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 (December 20) in other destinations

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📍 Is Ao Nang Worth Visiting on December 20?

Planning a trip to Ao Nang on December 20? Our historical weather analysis based on 30 years of NASA satellite data shows that this time of year typically offers vibrant summer conditions averaging 28.8°C with a 36% historical precipitation risk.

✈️ Travel Logistics: Approximately 41 landing slots available daily during this period, indicating manageable crowd levels.

💉 Health Advisory: 11 vaccinations are recommended for Thailand, including COVID-19.

🌊 Coastal Conditions: Water temperature averages 29.3°C (hot soup). Wave conditions are generally lake-like with heights around 0.19m.

📊 Historical Extremes: The hottest December 20 recorded in the last 30 years saw temperatures hit 31.7°C in 2023, while the coldest dropped to 21.2°C in 2017.

Ao Nang Weather FAQ