Climate Insights for Nilakottai

The climate in Nilakottai is hot. The average annual temperature is 28°C and approximately 556mm of precipitation falls per year. October is the wettest month, receiving around 114mm of rainfall. Nilakottai is in the Northern Hemisphere. Summer begins at the end of June and lasts through September. The summer months are: April, May, March. The coldest months are January, February, December, when temperatures can drop to 20°C.

Nilakottai sees moderate temperature variation throughout the year, ranging from 20°C to 39°C. April is the hottest month, with daytime highs reaching 39°C and an average of 32°C. January is the coolest month, with minimum temperatures around 20°C and an average of 25°C. On average, daily temperatures fluctuate by about 10°C between overnight lows and afternoon highs. The sharpest temperature change occurs between February and March, with a 3°C shift in average temperatures.

Nilakottai is a relatively dry area, receiving approximately 556mm of precipitation annually, which averages out to around 46mm per month. The wettest month is October, averaging 114mm of rainfall. July and November also tend to see above-average precipitation. The driest month is March, with just 4mm. That's 110mm 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.

Nilakottai is relatively calm, with an average annual wind speed of 2km/h. For context, sustained winds below 12km/h are generally light, while anything above 25km/h is considered strong. The windiest month is June, averaging 2km/h, though still comfortable for most outdoor activities. The calmest conditions occur in October, with average winds dropping to 1km/h, making it an ideal period for wind-sensitive activities. There is moderate seasonal variation in wind speed, with a 1km/h gap between the calmest and windiest months.

It is currently summer in Nilakottai, which began on June 21, 2026. Nilakottai 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 April at around 39°C, while the coldest stretch bottoms out in January near 20°C. Autumn is next, beginning on September 23, 2026 — 63 days from now.

The best time to visit Nilakottai is during January, when the weather is most comfortable for travellers. During these months, average temperatures hover around 25°C with modest rainfall averaging 4mm per month. By contrast, April can be uncomfortably hot with temperatures reaching 39°C. With minimal rainfall expected, you can pack light and plan outdoor activities with confidence.

The table below shows monthly climate averages for Nilakottai 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.