30YearWeather
Colombo, December 29
Colombo street view during December
Historical Weather Analysis

Colombo Weather on December 29 — Best Time to Visit?

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

cloudy

29.7°C

High

22.7°C

Low

30%

Rain

🔥 Feels like 36.8°C (humidity)

partly-cloudy-day
YES, GOOD CHOICE
Peak Season

December 29 is generally a great time to visit Colombo. While there is a slight chance of rain (30%), showers are usually brief. Expect comfortable 30°C weather. Colombo is currently in its most popular travel window, meaning vibrant crowds and premium pricing.

Currency

LKR

Rs රු Sri Lankan rupee

Language

Sinhala

+1 more

Driving

Left side

Connect

SIM cards for unlocked phones may be pur...

Safety

Moderate Safety

GPI: 2.02

Colombo Weather Forecast for December 29

"Warm & Sunny. Expect average highs of 29.7°C. 30% chance of rain."

What to Wear in Colombo in December

Based on historical data for December 29, Colombo typically experiences temperatures between 22.7°C and 29.7°C. We recommend packing t-shirt, light clothing, umbrella to stay comfortable. With a 30% chance of rain, keeping a raincoat or umbrella handy is a smart move.

Complete Packing Guide

Weekly breakdown & essential items for Colombo

View Guide

Smart Suitcase

  • T-Shirt
  • Light Clothing
  • Umbrella

Average High

extreme-hot

29.7°C

Daytime Peak

Average Low

extreme-cold

22.7°C

Nighttime Low

Feels Like

partly-cloudy-day

36.8°C

🔥 Heat index effect

Rain Chance

rain

30%

Avg 2.4mm if it rains

Cloud Cover

cloudy

62%

Overcast

Pressure

pressure

1011.2 hPa

Low volatility

Colombo Weather Conditions & UV Index

Weather Confidence

30-year variance analysis

84%Highly Predictable

Based on 10 years of data

Temperature
±1.4°CStable
Precipitation
15-70%Unpredictable

🎯 This date historically delivers consistent weather 84% 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?

46Poor
TemperatureHot
HumidityMuggy
WindLight Breeze

Dew Point

25.9°C

Humid/Sticky

Heat Index

36.8°C

Feels hotter

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

Marine Conditions

Water Temp
28.8°C
🛁 Tropical Bath
Avg daily surface temperature
Surf Conditions
0.87m
🌊 Fun Waves
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 Sri Lanka

Flight Traffic

High

99/100 pressure index

Health Advisory

Required

2 vaccines • View Details →

Landing Slots

~91

Daily arrival options (inc. codeshare)

Sunrise, Sunset & Wind in Colombo

Daylight & Sun

Solar Elevation Cycle

🌅 Sunrise

06:51

☀️ Noon

12:43

🌇 Sunset

18:35

⏱️ Daylight

11h 43m

Golden Hour
Morning06:51 - 07:21
18:05 - 18:35Evening

Wind Speed

wind

14.2 km/h

Gentle breeze

Sunshine

clear-day

9.7 hrs

Direct Sun (Cloud-free)

Humidity

humidity

80%

Humid / Damp

Travel Intelligence

Exclusive flight analytics & health data for Colombo

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 Colombo

Travel Comfort Index

Real-time tourism conditions

Weather Quality

⛅ Good

76/100

Tourist Crowds

🟡 Busy

80/100

Price Level

💰💰💰 Expensive

95/100

Health & Wellbeing

Meteo-Health Forecast

85Score
Atmospheric Pressure1011.2 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
93AQI
Moderate
PM2.5 Concentration23.2 µg/m³

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

Regional Safety Profile

Stable

Seismic Activity

Zero seismic activity detected in 30 years.

Total events (30y):0
💡 No earthquake preparedness needed. Enjoy your stay!
Moderate

Cyclone Risk

Season: Apr - Dec

"According to 30YearWeather's analysis of 30 years of NASA satellite data, Colombo on December 29 averages 29.7°C with a 30% precipitation probability. Wedding/Outdoor Event Score: 89/100."

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

Colombo Weather History (2010–2024)

Temperature History

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Hall of Fame

Records from last 10 years

Hottest
2021
31.9°C
Coldest
2022
22.1°C
Rainiest
2015
13.8mm

Better Alternatives Nearby

Consider these dates within ±7 days

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

Compare Other Cities

Same date (December 29) in other destinations

🌍 Explore the same date in different destinations around the world

📍 Is Colombo Worth Visiting on December 29?

Planning a trip to Colombo on December 29? Our historical weather analysis based on 30 years of NASA satellite data shows that this time of year typically offers vibrant summer conditions averaging 29.7°C with a 30% historical precipitation risk.

✈️ Travel Logistics: Approximately 91 landing slots available daily during this period, indicating manageable crowd levels.

💉 Health Advisory: 9 vaccinations are recommended for Sri Lanka, including COVID-19.

🌊 Coastal Conditions: Water temperature averages 28.8°C (tropical bath). Wave conditions are generally fun waves with heights around 0.87m.

📊 Historical Extremes: The hottest December 29 recorded in the last 30 years saw temperatures hit 31.9°C in 2021, while the coldest dropped to 22.1°C in 2022.

Colombo Weather FAQ