Climate Overview
The climate in Thrissur is hot. The average annual temperature is 28°C and approximately 2640mm of precipitation falls per year. June is the wettest month, receiving around 501mm of rainfall. Thrissur is in the Northern Hemisphere. Summer begins at the end of June and lasts through September. The summer months are: March, February, April. The coldest months are January, December, October, when temperatures can drop to 24°C.
Temperature
Thrissur sees moderate temperature variation throughout the year, ranging from 24°C to 35°C. The warmest month is March, when average highs reach 35°C and the mean temperature sits around 30°C. January is the coolest month, with minimum temperatures around 24°C and an average of 28°C. Daily temperature variation is modest, with an average difference of 6°C between highs and lows.
Precipitation
Thrissur is a very wet location, receiving approximately 2640mm of precipitation annually, which averages out to around 220mm per month. The wettest month is June, averaging 501mm of rainfall. August and July also tend to see above-average precipitation. The driest month is February, with just 10mm. That's 491mm 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
Thrissur 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 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.
Seasons
91 days until Autumn
It is currently summer in Thrissur, which began on June 21, 2026. Thrissur 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 March at around 35°C, while the coldest stretch bottoms out in January near 24°C. Autumn is next, beginning on September 23, 2026 — 91 days from now.
Spring
Temperatures range from 26 to 35°C. Rainfall is heavy, totalling around 476mm across the season with a monthly average of 159mm. Winds are generally light, averaging 2km/h. An umbrella or waterproof jacket is advisable as spring showers are frequent.
Summer
Temperatures range from 24 to 29°C. Rainfall is heavy, totalling around 1414mm across the season with a monthly average of 471mm. Winds are generally light, averaging 2km/h. Light, breathable clothing is ideal — perfect conditions for outdoor activities.
Autumn
Temperatures range from 24 to 31°C. Rainfall is heavy, totalling around 683mm across the season with a monthly average of 228mm. Winds are generally light, averaging 2km/h. A waterproof jacket and sturdy footwear are recommended as rain becomes more frequent.
Winter
Temperatures range from 24 to 34°C. Rainfall is relatively light, with around 68mm over the season and a monthly average of 23mm. 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 Thrissur 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.
