Weather in Sri Lanka

• All Year
• Spring
• Summer
• Autumn
• Winter

Yearly weather

Calculations are based on the last 8 years of historical weather data.

Temperatures

• Colombo experiences consistently warm temperatures throughout the year, remaining within a comfortable range.

• The minimum temperatures fluctuate between 23.1°C and 26.2°C, while the maximum temperatures range from 28.5°C to 31.4°C.

• April is the warmest month. The temperature is always in the comfortable range.

Conditions

• Colombo experiences a stark contrast in weather throughout the year, showcasing high precipitation levels, particularly from May to October, where sunshine almost vanishes.

• The month of May stands out with the lowest sunshine hours at 0.6h, coinciding with the highest rainfall of 16.04mm, indicating the onset of the monsoon season and resulting in significantly damp weather conditions.

Astronomy

• In Colombo, the earliest sunrise occurs in May at 05:54, while the latest sunrise takes place in February at 06:27, showcasing a modest fluctuation of about 33 minutes throughout the year.

• Sunset times demonstrate a wider shift, with the earliest sunset at 17:50 in November and the latest at 18:30 in July, resulting in a variation of approximately 40 minutes.

• Day length ranges from a shortest duration of 11 hours and 44 minutes in December to a longest duration of 12 hours and 30 minutes in June, indicating a difference of 46 minutes over the course of the year, largely influenced by seasonal changes.

• Overall, Colombo experiences relatively consistent day lengths and sunrise times, with more pronounced changes in sunset times across different months.