Climate Overview
The climate in Kadayanallur is hot. The average annual temperature is 26°C and approximately 1567mm of precipitation falls per year. October is the wettest month, receiving around 218mm of rainfall. Kadayanallur sits near the equator, so seasonal temperature differences are minimal throughout the year.
Temperature
Kadayanallur sees moderate temperature variation throughout the year, ranging from 21°C to 36°C. March is the hottest month, with daytime highs reaching 36°C and an average of 29°C. January is the coolest month, with minimum temperatures around 21°C and an average of 26°C. On average, daily temperatures fluctuate by about 9°C between overnight lows and afternoon highs.
Precipitation
Kadayanallur is a fairly wet location, receiving approximately 1567mm of precipitation annually, which averages out to around 131mm per month. The wettest month is October, averaging 218mm of rainfall. May and November also tend to see above-average precipitation. The driest month is February, with just 12mm. That's 207mm less than October, 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.
Wind
Kadayanallur is relatively calm, with an average annual wind speed of 11km/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 16km/h, though still comfortable for most outdoor activities. The calmest conditions occur in November, 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 8km/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, 15km/h in summer, 9km/h in autumn.
Seasons
87 days until Summer
It is currently spring in Kadayanallur, which began on March 20, 2026. Kadayanallur sits near the equator, so the traditional four-season cycle is less pronounced — temperatures remain relatively stable year-round. The warmest period peaks in March at around 36°C, while the coldest stretch bottoms out in January near 21°C. Summer is next, beginning on June 21, 2026 — 87 days from now.
Spring
Temperatures range from 23 to 36°C. Rainfall is heavy, totalling around 369mm across the season with a monthly average of 123mm. Winds are generally light, averaging 9km/h. An umbrella or waterproof jacket is advisable as spring showers are frequent.
Summer
Temperatures range from 23 to 30°C. Rainfall is heavy, totalling around 489mm across the season with a monthly average of 163mm. Winds are generally light, averaging 15km/h. Light, breathable clothing is ideal — perfect conditions for outdoor activities.
Autumn
Temperatures range from 22 to 30°C. Rainfall is heavy, totalling around 564mm across the season with a monthly average of 188mm. Winds are generally light, averaging 9km/h. A waterproof jacket and sturdy footwear are recommended as rain becomes more frequent.
Winter
Temperatures range from 21 to 33°C. Rainfall is relatively light, with around 145mm over the season and a monthly average of 48mm. Winds are generally light, averaging 10km/h. A light jacket or sweater is usually sufficient, though cooler evenings may call for an extra layer.
Monthly Climate Data
The table below shows monthly climate averages for Kadayanallur 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.
