Climate Overview
The climate in Thoothukudi is hot. The average annual temperature is 28°C and approximately 927mm of precipitation falls per year. November is the wettest month, receiving around 315mm of rainfall. Thoothukudi sits near the equator, so seasonal temperature differences are minimal throughout the year.
Temperature
Thoothukudi has relatively stable temperatures year-round, staying within a 7°C range. The warmest month is June, when average highs reach 31°C and the mean temperature sits around 29°C. January is the coolest month, with minimum temperatures around 24°C and an average of 26°C. Daily temperature variation is modest, with an average difference of 3°C between highs and lows.
Precipitation
Thoothukudi is a moderately rainy area, receiving approximately 927mm of precipitation annually, which averages out to around 77mm per month. The wettest month is November, averaging 315mm of rainfall. December and October also tend to see above-average precipitation. The driest month is July, with just 8mm. That's 307mm 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.
Wind
Thoothukudi is moderately windy, with an average annual wind speed of 26km/h. For context, sustained winds below 12km/h are generally light, while anything above 25km/h is considered strong. The windiest month is February, averaging 29km/h, noticeable enough to affect lighter outdoor activities. The calmest conditions occur in October, with average winds dropping to 23km/h, making it an ideal period for wind-sensitive activities. Wind conditions are fairly consistent throughout the year, varying by only 6km/h between the calmest and windiest months.
Seasons
90 days until Summer
It is currently spring in Thoothukudi, which began on March 20, 2026. Thoothukudi sits near the equator, so the traditional four-season cycle is less pronounced — temperatures remain relatively stable year-round. The warmest period peaks in June at around 31°C, while the coldest stretch bottoms out in January near 24°C. Summer is next, beginning on June 21, 2026 — 90 days from now.
Spring
Temperatures range from 27 to 31°C. Rainfall is relatively light, with around 128mm over the season and a monthly average of 43mm. Winds are strong, averaging 26km/h. Light layers work well as temperatures warm through the season — a great time to be outdoors.
Summer
Temperatures range from 27 to 31°C. Precipitation is minimal, with only around 31mm for the entire season. Winds are strong, averaging 28km/h. Light, breathable clothing is ideal — perfect conditions for outdoor activities.
Autumn
Temperatures range from 25 to 29°C. Rainfall is heavy, totalling around 488mm across the season with a monthly average of 163mm. Winds are moderate at around 24km/h. A waterproof jacket and sturdy footwear are recommended as rain becomes more frequent.
Winter
Temperatures range from 24 to 28°C. Precipitation is moderate at around 281mm for the season, averaging 94mm per month. Winds are strong, averaging 28km/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 Thoothukudi 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.
