Climate Insights for Kadugannawa

The climate in Kadugannawa is warm and mild. The average annual temperature is 23°C and approximately 1868mm of precipitation falls per year. Kadugannawa receives a notable amount of rainfall throughout the year, including during its driest month. Kadugannawa sits near the equator, so seasonal temperature differences are minimal throughout the year.

Kadugannawa sees moderate temperature variation throughout the year, ranging from 18°C to 29°C. The warmest month is April, when average highs reach 29°C and the mean temperature sits around 24°C. January is the coolest month, with minimum temperatures around 18°C and an average of 21°C. Daily temperature variation is modest, with an average difference of 7°C between highs and lows.

Kadugannawa is a fairly wet location, receiving approximately 1868mm of precipitation annually, which averages out to around 156mm per month. The wettest month is November, averaging 345mm of rainfall. October and May also tend to see above-average precipitation. The driest month is June, with just 56mm. That's 289mm 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.

Kadugannawa is relatively calm, with an average annual wind speed of 12km/h. For context, sustained winds below 12km/h are generally light, while anything above 25km/h is considered strong. The windiest month is July, averaging 18km/h, though still comfortable for most outdoor activities. The calmest conditions occur in April, with average winds dropping to 8km/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 10km/h in winter, 9km/h in spring, 17km/h in summer, 11km/h in autumn.

It is currently spring in Kadugannawa, which began on March 20, 2026. Kadugannawa sits near the equator, so the traditional four-season cycle is less pronounced — temperatures remain relatively stable year-round. The warmest period peaks in April at around 29°C, while the coldest stretch bottoms out in January near 18°C. Summer is next, beginning on June 21, 2026 — 89 days from now.

The best time to visit Kadugannawa is during January, February, March, June and July, when the weather is most comfortable for travellers. During these months, average temperatures hover around 23°C with modest rainfall averaging 82mm per month. By contrast, April can be uncomfortably hot with temperatures reaching 29°C. Despite being the best months overall, some rain is still likely — pack a waterproof layer and plan a mix of indoor and outdoor activities.

The table below shows monthly climate averages for Kadugannawa 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.