Climate Overview
The climate in Neelankarai is hot. The average annual temperature is 28°C and approximately 1061mm of precipitation falls per year. May is the wettest month, receiving around 316mm of rainfall. Neelankarai is in the Northern Hemisphere. Summer begins at the end of June and lasts through September. The summer months are: May, August, April. The coldest months are December, January, February, when temperatures can drop to 24°C.
Temperature
Neelankarai has relatively stable temperatures year-round, staying within a 8°C range. The warmest month is May, when average highs reach 32°C and the mean temperature sits around 30°C. December 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 4°C between highs and lows.
Precipitation
Neelankarai is a moderately rainy area, receiving approximately 1061mm of precipitation annually, which averages out to around 88mm per month. The wettest month is May, averaging 316mm of rainfall. December and July also tend to see above-average precipitation. The driest month is March, with just 1mm. That's 316mm 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
Neelankarai is relatively calm, with an average annual wind speed of 4km/h. For context, sustained winds below 12km/h are generally light, while anything above 25km/h is considered strong. The windiest month is April, averaging 5km/h, though still comfortable for most outdoor activities. The calmest conditions occur in October, with average winds dropping to 3km/h, making it an ideal period for wind-sensitive activities. There is moderate seasonal variation in wind speed, with a 2km/h gap between the calmest and windiest months.
Seasons
64 days until Autumn
It is currently summer in Neelankarai, which began on June 21, 2026. Neelankarai 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 May at around 32°C, while the coldest stretch bottoms out in December near 24°C. Autumn is next, beginning on September 23, 2026 — 64 days from now.
Spring
Temperatures range from 27 to 32°C. Rainfall is heavy, totalling around 322mm across the season with a monthly average of 107mm. Winds are generally light, averaging 5km/h. An umbrella or waterproof jacket is advisable as spring showers are frequent.
Summer
Temperatures range from 27 to 32°C. Rainfall is heavy, totalling around 337mm across the season with a monthly average of 112mm. Winds are generally light, averaging 4km/h. Light, breathable clothing is ideal — perfect conditions for outdoor activities.
Autumn
Temperatures range from 25 to 32°C. Precipitation is moderate at around 177mm for the season, averaging 59mm per month. Winds are generally light, averaging 4km/h. Layered clothing works best as temperatures gradually cool — enjoy the crisp air and changing scenery.
Winter
Temperatures range from 24 to 29°C. Precipitation is moderate at around 225mm for the season, averaging 75mm per month. Winds are generally light, averaging 4km/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 Neelankarai 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.