Climate Insights for Kannavam

The climate in Kannavam is hot. The average annual temperature is 25°C and approximately 3103mm of precipitation falls per year. July is the wettest month, receiving around 703mm of rainfall. Kannavam is in the Northern Hemisphere. Summer begins at the end of June and lasts through September. The summer months are: March, April, February. The coldest months are January, February, December, when temperatures can drop to 20°C.

Kannavam sees moderate temperature variation throughout the year, ranging from 20°C to 31°C. The warmest month is March, when average highs reach 31°C and the mean temperature sits around 26°C. January is the coolest month, with minimum temperatures around 20°C and an average of 24°C. Daily temperature variation is modest, with an average difference of 6°C between highs and lows.

Kannavam is a very wet location, receiving approximately 3103mm of precipitation annually, which averages out to around 259mm per month. The wettest month is July, averaging 703mm of rainfall. June and August also tend to see above-average precipitation. The driest month is February, with just 4mm. That's 699mm less than July, 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.

Kannavam is relatively calm, with an average annual wind speed of 10km/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 12km/h, though still comfortable for most outdoor activities. The calmest conditions occur in November, with average winds dropping to 7km/h, making it an ideal period for wind-sensitive activities. There is moderate seasonal variation in wind speed, with a 5km/h gap between the calmest and windiest months. Wind tends to pick up during the summer months. The seasonal averages are 9km/h in winter, 10km/h in spring, 11km/h in summer, 8km/h in autumn.

It is currently spring in Kannavam, which began on March 20, 2026. Kannavam is in the Northern Hemisphere, where spring begins in March, summer in June, autumn in September, and winter in December. The warmest period peaks in March at around 31°C, while the coldest stretch bottoms out in January near 20°C. Summer is next, beginning on June 21, 2026 — 87 days from now.

The best time to visit Kannavam is during January and December, when the weather is most comfortable for travellers. During these months, average temperatures hover around 24°C with modest rainfall averaging 43mm per month. By contrast, March can be uncomfortably hot with temperatures reaching 31°C. A light rain jacket is recommended, though showers are generally brief and shouldn't disrupt your plans.

The table below shows monthly climate averages for Kannavam 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.