Climate Overview
The climate in Cherthala is hot. The average annual temperature is 28°C and approximately 3145mm of precipitation falls per year. June is the wettest month, receiving around 524mm of rainfall. Cherthala sits near the equator, so seasonal temperature differences are minimal throughout the year.
Temperature
Cherthala sees moderate temperature variation throughout the year, ranging from 24°C to 35°C. March is the hottest month, with daytime highs reaching 35°C and an average of 30°C. January is the coolest month, with minimum temperatures around 24°C and an average of 27°C. Daily temperature variation is modest, with an average difference of 7°C between highs and lows.
Precipitation
Cherthala is a very wet location, receiving approximately 3145mm of precipitation annually, which averages out to around 262mm per month. The wettest month is June, averaging 524mm of rainfall. July and May also tend to see above-average precipitation. The driest month is February, with just 19mm. That's 505mm 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
Cherthala is relatively calm, with an average annual wind speed of 11km/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 13km/h, though still comfortable for most outdoor activities. The calmest conditions occur in November, with average winds dropping to 7km/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 10km/h in winter, 11km/h in spring, 13km/h in summer, 9km/h in autumn.
Seasons
88 days until Summer
It is currently spring in Cherthala, which began on March 20, 2026. Cherthala sits near the equator, so the traditional four-season cycle is less pronounced — temperatures remain relatively stable year-round. The warmest period peaks in March at around 35°C, while the coldest stretch bottoms out in January near 24°C. Summer is next, beginning on June 21, 2026 — 88 days from now.
Spring
Temperatures range from 26 to 35°C. Rainfall is heavy, totalling around 681mm across the season with a monthly average of 227mm. Winds are generally light, averaging 11km/h. An umbrella or waterproof jacket is advisable as spring showers are frequent.
Summer
Temperatures range from 25 to 30°C. Rainfall is heavy, totalling around 1469mm across the season with a monthly average of 490mm. Winds are generally light, averaging 13km/h. Light, breathable clothing is ideal — perfect conditions for outdoor activities.
Autumn
Temperatures range from 24 to 31°C. Rainfall is heavy, totalling around 865mm across the season with a monthly average of 288mm. Winds are generally light, averaging 9km/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 129mm over the season and a monthly average of 43mm. Winds are generally light, averaging 10km/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 Cherthala 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.
