Climate Insights for Ammāpettai

The climate in Ammāpettai is hot. The average annual temperature is 29°C and approximately 1089mm of precipitation falls per year. November is the wettest month, receiving around 262mm of rainfall. Ammāpettai is in the Northern Hemisphere. Summer begins at the end of June and lasts through September. The summer months are: June, May, July. The coldest months are January, February, December, when temperatures can drop to 22°C.

Ammāpettai sees moderate temperature variation throughout the year, ranging from 22°C to 37°C. June is the hottest month, with daytime highs reaching 37°C and an average of 32°C. January is the coolest month, with minimum temperatures around 22°C and an average of 26°C. Daily temperature variation is modest, with an average difference of 8°C between highs and lows. The sharpest temperature change occurs between February and March, with a 2°C shift in average temperatures.

Ammāpettai is a moderately rainy area, receiving approximately 1089mm of precipitation annually, which averages out to around 91mm per month. The wettest month is November, averaging 262mm of rainfall. October and December also tend to see above-average precipitation. The driest month is February, with just 12mm. That's 250mm 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.

Ammāpettai is mildly breezy, with an average annual wind speed of 15km/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 18km/h, though still comfortable for most outdoor activities. The calmest conditions occur in October, with average winds dropping to 12km/h, making it an ideal period for wind-sensitive activities. There is moderate seasonal variation in wind speed, with a 6km/h gap between the calmest and windiest months. Wind tends to pick up during the summer months. The seasonal averages are 15km/h in winter, 15km/h in spring, 17km/h in summer, 13km/h in autumn.

It is currently spring in Ammāpettai, which began on March 20, 2026. Ammāpettai 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 June at around 37°C, while the coldest stretch bottoms out in January near 22°C. Summer is next, beginning on June 21, 2026 — 89 days from now.

The table below shows monthly climate averages for Ammāpettai 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.