March 15 is generally a great time to visit Colombo. While there is a slight chance of rain (37%), showers are usually brief. Expect comfortable 31°C weather. Expect a bustling atmosphere in Colombo right now—this is when the city truly comes alive with visitors.
View the full calendar
Essential Travel Info for Colombo
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 March 15
"Warm & Sunny. Expect average highs of 31.1°C. 37% chance of rain."
What to Wear in Colombo in March
Based on historical data for March 15, Colombo typically experiences temperatures between 24.1°C and 31.1°C. We recommend packing t-shirt, light clothing, umbrella to stay comfortable. With a 37% chance of rain, keeping a raincoat or umbrella handy is a smart move.
Complete Packing Guide
Weekly breakdown & essential items for Colombo
Smart Suitcase
- T-Shirt
- Light Clothing
- Umbrella
Average High
31.1°C
Daytime Peak
Average Low
24.1°C
Nighttime Low
Feels Like
41.2°C
🔥 Heat index effect
Rain Chance
37%
Avg 2.9mm if it rains
Cloud Cover
57%
Light drizzle
Pressure
1010.4 hPa
Low volatility
Colombo Weather Conditions & UV Index
Weather Confidence
30-year variance analysis
Based on 10 years of data
🎯 This date historically delivers consistent weather 94% of the time. Safe to plan outdoor activities with confidence.
Sun Exposure
UV Index & Safety Guide
Protection Needed
SPF 30 recommended
06:00 - 10:00
16:00 - 18:00
Type I-II
🔴 22 min to burn
Type III-IV
🟡 33 min to burn
Type V-VI
🟢 55 min to burn
UV estimate based on latitude, season & cloud cover. Actual UV may vary.
Outdoor Comfort
How pleasant is it outside?
Dew Point
27.2°C
Humid/Sticky
Heat Index
41.2°C
Feels hotter
😕 Best outdoor time:
Early morning (6-9 AM) or evening (after 6 PM)
Marine Conditions
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
95/100 pressure index
Health Advisory
Required
2 vaccines • View Details →
Landing Slots
~87
Daily arrival options (inc. codeshare)
Sunrise, Sunset & Wind in Colombo
Daylight & Sun
Solar Elevation Cycle
🌅 Sunrise
06:48
☀️ Noon
12:50
🌇 Sunset
18:53
⏱️ Daylight
12h 4m
Wind Speed
11.1 km/h
Light breeze
Sunshine
10.5 hrs
Direct Sun (Cloud-free)
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
Tourist Crowds
🟢 Moderate
Price Level
💰💰 Moderate
Health & Wellbeing
Meteo-Health Forecast
Stable conditions. Low risk of headaches.
Mild discomfort possible for arthritic conditions.
Moderate fish activity expected.
Air quality is acceptable. Sensitive individuals should limit prolonged outdoor exertion.
Regional Safety Profile
Seismic Activity
Zero seismic activity detected in 30 years.
Cyclone Risk
Season: Apr - Dec
"According to 30YearWeather's analysis of 30 years of NASA satellite data, Colombo on March 15 averages 31.1°C with a 37% precipitation probability. Wedding/Outdoor Event Score: 83/100."
— Source: 30YearWeather.com|Data: NASA POWER (1991-2021)|View Methodology
Colombo Weather History (2010–2024)
Temperature History
Hall of Fame
Records from last 10 years
Better Alternatives Nearby
Consider these dates within ±7 days
March 8
31.3°C • 24% rain
Score
89
March 9
31.2°C • 27% rain
Score
88
March 21
31.2°C • 29% rain
Score
88
💡 Moving your event by a few days could significantly improve weather conditions
Compare Other Cities
Same date (March 15) in other destinations
🌍 Explore the same date in different destinations around the world
📍 Is Colombo Worth Visiting on March 15?
Planning a trip to Colombo on March 15? Our historical weather analysis based on 30 years of NASA satellite data shows that this time of year typically offers vibrant summer conditions averaging 31.1°C with a 37% historical precipitation risk.
✈️ Travel Logistics: Approximately 87 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 29.8°C (hot soup). Wave conditions are generally fun waves with heights around 0.73m.
📊 Historical Extremes: The hottest March 15 recorded in the last 30 years saw temperatures hit 32.6°C in 2016, while the coldest dropped to 23°C in 2023.