Climate Insights for Nāmakkal

The climate in Nāmakkal is hot. The average annual temperature is 28°C and approximately 1043mm of precipitation falls per year. October is the wettest month, receiving around 179mm of rainfall. Nāmakkal 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, December, February, when temperatures can drop to 21°C.

Nāmakkal sees moderate temperature variation throughout the year, ranging from 21°C to 38°C. April is the hottest month, with daytime highs reaching 38°C and an average of 32°C. January is the coolest month, with minimum temperatures around 21°C and an average of 25°C. On average, daily temperatures fluctuate by about 9°C between overnight lows and afternoon highs. The sharpest temperature change occurs between February and March, with a 3°C shift in average temperatures.

Nāmakkal is a moderately rainy area, receiving approximately 1043mm of precipitation annually, which averages out to around 87mm per month. The wettest month is October, averaging 179mm of rainfall. November and July also tend to see above-average precipitation. The driest month is February, with just 5mm. That's 174mm 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.

Nāmakkal is relatively calm, with an average annual wind speed of 7km/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 10km/h, though still comfortable for most outdoor activities. The calmest conditions occur in October, with average winds dropping to 5km/h, making it an ideal period for wind-sensitive activities. There is moderate seasonal variation in wind speed, with a 5km/h gap between the calmest and windiest months. Wind tends to pick up during the summer months. The seasonal averages are 6km/h in winter, 6km/h in spring, 10km/h in summer, 6km/h in autumn.

It is currently summer in Nāmakkal, which began on June 21, 2026. Nāmakkal 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 38°C, while the coldest stretch bottoms out in January near 21°C. Autumn is next, beginning on September 23, 2026 (8 days from now).

The table below shows monthly climate averages for Nāmakkal 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.