Climate Insights for Colombo

The climate in Colombo is hot. The average annual temperature is 28°C and approximately 2,388 mm of precipitation falls per year. Colombo receives a notable amount of rainfall throughout the year, including during its driest month. Colombo sits near the equator, so seasonal temperature differences are minimal throughout the year.The climate in Colombo is hot. The average annual temperature is 82°F and approximately 94 in of precipitation falls per year. Colombo receives a notable amount of rainfall throughout the year, including during its driest month. Colombo sits near the equator, so seasonal temperature differences are minimal throughout the year.

Colombo has relatively stable temperatures year-round, staying within a 6°C range. The warmest month is February, when average highs reach 31°C and the mean temperature sits around 28°C. January is the coolest month, with minimum temperatures around 25°C and an average of 27°C. Daily temperature variation is modest, with an average difference of 4°C between highs and lows.Colombo has relatively stable temperatures year-round, staying within a 12°F range. The warmest month is February, when average highs reach 88°F and the mean temperature sits around 82°F. January is the coolest month, with minimum temperatures around 76°F and an average of 81°F. Daily temperature variation is modest, with an average difference of 7°F between highs and lows.

Colombo is a very wet location, receiving approximately 2,388 mm of precipitation annually, which averages out to around 199 mm per month. The wettest month is November, averaging 372 mm of rainfall. May and October also tend to see above-average precipitation. The driest month is February, with just 46 mm. That's 327 mm less than November, the wettest month. Rainfall is heavily concentrated in certain months, creating a distinct wet and dry season. Visitors should plan around these patterns, as the difference between peak and low months is dramatic.Colombo is a very wet location, receiving approximately 94 in of precipitation annually, which averages out to around 7.8 in per month. The wettest month is November, averaging 14.6 in of rainfall. May and October also tend to see above-average precipitation. The driest month is February, with just 1.8 in. That's 12.9 in less than November, the wettest month. Rainfall is heavily concentrated in certain months, creating a distinct wet and dry season. Visitors should plan around these patterns, as the difference between peak and low months is dramatic.

Colombo is mildly breezy, with an average annual wind speed of 15km/h. For context, sustained winds below 12km/h are generally light, while anything above 25km/h is considered strong. The windiest month is June, averaging 19km/h, though still comfortable for most outdoor activities. The calmest conditions occur in March, with average winds dropping to 9km/h, making it an ideal period for wind-sensitive activities. Wind speeds vary significantly across the year, with a 10km/h difference between the calmest and windiest months. This level of variation is worth factoring into travel plans. Wind tends to pick up during the summer months. The seasonal averages are 15km/h in winter, 12km/h in spring, 19km/h in summer, 14km/h in autumn.Colombo is moderately windy, with an average annual wind speed of 9mph. For context, sustained winds below 7mph are generally light, while anything above 16mph is considered strong. The windiest month is June, averaging 12mph, which can feel quite blustery and may affect outdoor activities. The calmest conditions occur in March, with average winds dropping to 5mph, making it an ideal period for wind-sensitive activities. Wind speeds vary significantly across the year, with a 7mph difference between the calmest and windiest months. This level of variation is worth factoring into travel plans. Wind tends to pick up during the summer months. The seasonal averages are 9mph in winter, 7mph in spring, 12mph in summer, 9mph in autumn.

The table below shows monthly climate averages for Colombo based on historical weather data. Min and max temperatures represent typical overnight lows and afternoon highs for each month, shown in degrees Celsius (°C). Precipitation is measured in millimetres (mm) and indicates the average total rainfall per month. Wind speed is the average sustained speed in kilometres per hour (km/h). All values are based on averages from over 10 years of historical weather data. The current month is highlighted for quick reference.The table below shows monthly climate averages for Colombo based on historical weather data. Min and max temperatures represent typical overnight lows and afternoon highs for each month, shown in degrees Fahrenheit (°F). Precipitation is measured in millimetres (mm) and indicates the average total rainfall per month. Wind speed is the average sustained speed in miles per hour (mph). All values are based on averages from over 10 years of historical weather data. The current month is highlighted for quick reference.