Climate Overview
The climate in Thiruvananthapuram is hot. The average annual temperature is 27°C and approximately 1785mm of precipitation falls per year. May is the wettest month, receiving around 336mm of rainfall. Thiruvananthapuram sits near the equator, so seasonal temperature differences are minimal throughout the year.
Temperature
Thiruvananthapuram has relatively stable temperatures year-round, staying within a 5°C range. The warmest month is April, when average highs reach 30°C and the mean temperature sits around 29°C. August is the coolest month, with minimum temperatures around 25°C and an average of 26°C. Daily temperature variation is modest, with an average difference of 2°C between highs and lows.
Precipitation
Thiruvananthapuram is a fairly wet location, receiving approximately 1785mm of precipitation annually, which averages out to around 149mm per month. The wettest month is May, averaging 336mm of rainfall. June and October also tend to see above-average precipitation. The driest month is February, with just 10mm. That's 326mm less than May, 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
Thiruvananthapuram is moderately windy, with an average annual wind speed of 21km/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 28km/h, noticeable enough to affect lighter outdoor activities. The calmest conditions occur in November, with average winds dropping to 15km/h, making it an ideal period for wind-sensitive activities. There is moderate seasonal variation in wind speed, with a 13km/h gap between the calmest and windiest months. Wind tends to pick up during the summer months. The seasonal averages are 17km/h in winter, 20km/h in spring, 27km/h in summer, 19km/h in autumn.
Seasons
89 days until Summer
It is currently spring in Thiruvananthapuram, which began on March 20, 2026. Thiruvananthapuram 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 30°C, while the coldest stretch bottoms out in August near 25°C. Summer is next, beginning on June 21, 2026 — 89 days from now.
Spring
Temperatures range from 27 to 30°C. Rainfall is heavy, totalling around 453mm across the season with a monthly average of 151mm. Winds are moderate at around 20km/h. An umbrella or waterproof jacket is advisable as spring showers are frequent.
Summer
Temperatures range from 25 to 28°C. Rainfall is heavy, totalling around 612mm across the season with a monthly average of 204mm. Winds are strong, averaging 27km/h. Light, breathable clothing is ideal — perfect conditions for outdoor activities.
Autumn
Temperatures range from 26 to 28°C. Rainfall is heavy, totalling around 602mm across the season with a monthly average of 201mm. Winds are moderate at around 19km/h. A waterproof jacket and sturdy footwear are recommended as rain becomes more frequent.
Winter
Temperatures range from 26 to 28°C. Rainfall is relatively light, with around 119mm over the season and a monthly average of 40mm. Winds are moderate at around 17km/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 Thiruvananthapuram 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.
