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Best Time to Visit

Best Time to Visit Colombo

🇱🇰 Colombo, Sri Lanka · Asia

Based on 30-year climate data (1991-2020) from Open-Meteo

Recommended Travel Months

Best

Jan

30°

23°

Great

Best

Feb

31°

23°

Great

Best

Mar

31°

24°

Great

Best

Apr

31°

25°

Great

Best

May

30°

25°

Great

Best

Jun

29°

25°

Great

Best

Jul

28°

25°

Great

Best

Aug

28°

25°

Great

Best

Sep

28°

24°

Great

Best

Oct

29°

24°

Great

Best

Nov

29°

23°

Great

Best

Dec

29°

23°

Great

Month-by-Month Weather in Colombo

MonthHighLowRain DaysSunshineHumidityUVRatingDetails
JanuaryRecommended30°C23°C910h82%4GreatView
FebruaryRecommended31°C23°C910h82%4GreatView
MarchRecommended31°C24°C1611h82%6GreatView
AprilRecommended31°C25°C2610h82%6GreatView
MayRecommended30°C25°C309h82%8GreatView
JuneRecommended29°C25°C299h82%8GreatView
JulyRecommended28°C25°C299h82%8GreatView
AugustRecommended28°C25°C299h82%8GreatView
SeptemberRecommended28°C24°C289h82%6GreatView
OctoberRecommended29°C24°C289h82%6GreatView
NovemberRecommended29°C23°C248h82%4GreatView
DecemberRecommended29°C23°C169h82%4GreatView

Data source: Open-Meteo ERA5 reanalysis archive, 30-year historical normals (1991-2020). Temperatures in Celsius. Sunshine hours are daily averages.

Seasonal Guide to Colombo

🌸

Spring (March to May)

Avg: 31°C high, 25°C low

Spring in Colombo brings gradually warm temperatures. Daytime highs reach around 31°C (88°F) while nights cool to 25°C (77°F). This is one of the wetter periods, so waterproof gear is recommended.

Rain: 24 days/moSun: 10h/day
☀️

Summer (June to August)

Avg: 28°C high, 25°C low

Summer is the warmest season in Colombo, with temperatures reaching 28°C (82°F). Comfortable warmth makes this a popular time for tourists, though accommodation prices tend to peak. Long daylight hours and abundant sunshine provide plenty of time to explore.

Rain: 29 days/moSun: 9h/day
🍂

Fall (September to November)

Avg: 29°C high, 24°C low

Fall in Colombo is one of the best times to visit. Temperatures settle around 29°C (84°F) during the day and 24°C (75°F) at night. Rainfall picks up during this period, so waterproof clothing is advisable.

Rain: 27 days/moSun: 9h/day
❄️

Winter (December to February)

Avg: 30°C high, 23°C low

Winter in Colombo brings the cooler period, though temperatures remain warm by most standards. This can actually be one of the most comfortable times to visit if you prefer less intense heat.

Rain: 11 days/moSun: 10h/day

When to Avoid Colombo

The least favorable time to visit Colombo is March and April. During this period, you can expect heavy rainfall, high humidity.

March

High: 31°C (88°F)Low: 24°C (75°F)Rain: 16 daysSun: 11h/day

Challenges: heavy rainfall, high humidity

April

High: 31°C (88°F)Low: 25°C (77°F)Rain: 26 daysSun: 10h/day

Challenges: heavy rainfall, high humidity

May

High: 30°C (86°F)Low: 25°C (77°F)Rain: 30 daysSun: 9h/day

Challenges: heavy rainfall, high humidity

Note: visiting during off-peak months often means lower prices, fewer crowds, and a more authentic experience. Consider your priorities when planning your trip.

What to Pack for Colombo

Packing recommendations for visiting Colombo during the best travel months (January, February, July), when temperatures range from 24°C to 30°C:

  • +Lightweight, breathable clothing (cotton or linen)
  • +Shorts, t-shirts, and sandals for daytime
  • +Waterproof jacket and an umbrella (rain is frequent)
  • +Waterproof shoes or boots
  • +Sunscreen and sunglasses
  • +Reusable water bottle
  • +Universal power adapter

Colombo Year-Round Climate Overview

Colombo has a tropical climate (Koppen classification: Am). The warmest month is April with highs of 31°C, while the coldest month is September at just 28°C. Annual rainfall averages 2587mm across approximately 273 rain days.

MetricJanFebMarAprMayJunJulAugSepOctNovDec
High °C303131313029282828292929
Low °C232324252525252524242323
Rain Days9916263029292928282416
Rain mm666896194275288250222251359345173
Sun h/day1010111099999989
Humidity %828282828282828282828282
UV Index446688886644

Compare Nearby Destinations

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Frequently Asked Questions

What is the best month to visit Colombo?+

The best time to visit Colombo is January, February, July. During these months, temperatures average 30°C (86°F) with 10 hours of daily sunshine and only 16 rain days per month. These conditions offer the most comfortable weather for sightseeing and outdoor activities.

What is the worst time to visit Colombo?+

The least ideal time to visit Colombo is March and April. During this period, you can expect heavy rainfall, high humidity. While Colombo can still be visited during this time (often with fewer crowds and lower prices), the weather may limit outdoor activities.

Is Colombo good to visit in summer?+

Summer in Colombo (June to August) brings temperatures of 28°C (82°F) highs and 25°C (77°F) lows, with about 9 hours of sunshine and 29 rain days per month. This is generally a good time to visit.

What is the rainy season in Colombo?+

The rainy season in Colombo runs from April to October, when average rain days increase to 28 days per month. Total monthly precipitation during this period averages 263mm.

What should I pack for Colombo?+

When visiting Colombo during the best travel months (January, February, July), pack lightweight breathable clothing, sun protection, and comfortable walking shoes. A waterproof jacket and umbrella are essential. Sunscreen and sunglasses are recommended.

Is January a good time to visit Colombo?+

Yes, January is one of the best months to visit Colombo. Expect average highs of 30°C (86°F), 10 hours of daily sunshine, and only 9 rain days. The weather is ideal for exploring the city, visiting outdoor attractions, and enjoying local activities.

Detailed Monthly Weather for Colombo

For a complete day-by-day weather breakdown including packing lists, activities, and local events, explore each month individually:

More Travel Weather Guides

Explore weather guides for other popular destinations:

Climate data for Colombo is sourced from the Open-Meteo ERA5 reanalysis archive, representing 30-year historical normals from 1991 to 2020. While this data provides reliable averages, actual weather conditions may vary. We recommend checking a short-range forecast closer to your travel dates for the most accurate information.

Last updated: March 2026 · 🇱🇰 Colombo, Sri Lanka