Climate Overview
The climate in Ponnāni is hot. The average annual temperature is 28°C and approximately 2460mm of precipitation falls per year. June is the wettest month, receiving around 479mm of rainfall. Ponnāni is in the Northern Hemisphere. Summer begins at the end of June and lasts through September. The summer months are: February, March, January. The coldest months are October, December, July, when temperatures can drop to 25°C.
Temperature
Ponnāni sees moderate temperature variation throughout the year, ranging from 25°C to 36°C. February is the hottest month, with daytime highs reaching 36°C and an average of 30°C. October is the coolest month, with minimum temperatures around 25°C and an average of 27°C. Daily temperature variation is modest, with an average difference of 7°C between highs and lows.
Precipitation
Ponnāni is a very wet location, receiving approximately 2460mm of precipitation annually, which averages out to around 205mm per month. The wettest month is June, averaging 479mm of rainfall. August and July also tend to see above-average precipitation. The driest month is January, with just 5mm. That's 474mm less than June, 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
Ponnāni 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 August, averaging 3km/h, though still comfortable for most outdoor activities. The calmest conditions occur in October, with average winds dropping to 2km/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.
Seasons
92 days until Autumn
It is currently summer in Ponnāni, which began on June 21, 2026. Ponnāni 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 February at around 36°C, while the coldest stretch bottoms out in October near 25°C. Autumn is next, beginning on September 23, 2026 — 92 days from now.
Spring
Temperatures range from 26 to 36°C. Rainfall is heavy, totalling around 453mm across the season with a monthly average of 151mm. Winds are generally light, averaging 2km/h. An umbrella or waterproof jacket is advisable as spring showers are frequent.
Summer
Temperatures range from 25 to 29°C. Rainfall is heavy, totalling around 1353mm across the season with a monthly average of 451mm. Winds are generally light, averaging 3km/h. Light, breathable clothing is ideal — perfect conditions for outdoor activities.
Autumn
Temperatures range from 25 to 32°C. Rainfall is heavy, totalling around 609mm across the season with a monthly average of 203mm. Winds are generally light, averaging 2km/h. A waterproof jacket and sturdy footwear are recommended as rain becomes more frequent.
Winter
Temperatures range from 25 to 36°C. Precipitation is minimal, with only around 45mm for the entire season. Winds are generally light, averaging 2km/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 Ponnāni 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.
