Climate Overview
The climate in Colachel is hot. The average annual temperature is 27°C and approximately 846mm of precipitation falls per year. June is the wettest month, receiving around 223mm of rainfall. Colachel sits near the equator, so seasonal temperature differences are minimal throughout the year.
Temperature
Colachel has relatively stable temperatures year-round, staying within a 6°C range. The warmest month is April, when average highs reach 31°C and the mean temperature sits around 29°C. September is the coolest month, with minimum temperatures around 25°C and an average of 26°C. Daily temperature variation is modest, with an average difference of 3°C between highs and lows.
Precipitation
Colachel is a moderately rainy area, receiving approximately 846mm of precipitation annually, which averages out to around 70mm per month. The wettest month is June, averaging 223mm of rainfall. May and November also tend to see above-average precipitation. The driest month is February, with just 5mm. That's 218mm 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
Colachel is relatively calm, with an average annual wind speed of 5km/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 8km/h, though still comfortable for most outdoor activities. The calmest conditions occur in November, with average winds dropping to 2km/h, making it an ideal period for wind-sensitive activities. Wind speeds vary significantly across the year, with a 6km/h difference between the calmest and windiest months. This level of variation is worth factoring into travel plans. Wind tends to pick up during the summer months. The seasonal averages are 3km/h in winter, 4km/h in spring, 8km/h in summer, 5km/h in autumn.
Seasons
61 days until Autumn
It is currently summer in Colachel, which began on June 21, 2026. Colachel sits near the equator, so the traditional four-season cycle is less pronounced — temperatures remain relatively stable year-round. The warmest period peaks in April at around 31°C, while the coldest stretch bottoms out in September near 25°C. Autumn is next, beginning on September 23, 2026 — 61 days from now.
Spring
Temperatures range from 27 to 31°C. Precipitation is moderate at around 255mm for the season, averaging 85mm per month. Winds are generally light, averaging 4km/h. An umbrella or waterproof jacket is advisable as spring showers are frequent.
Summer
Temperatures range from 25 to 28°C. Rainfall is heavy, totalling around 340mm across the season with a monthly average of 113mm. Winds are generally light, averaging 8km/h. Light, breathable clothing is ideal — perfect conditions for outdoor activities.
Autumn
Temperatures range from 25 to 28°C. Precipitation is moderate at around 207mm for the season, averaging 69mm per month. Winds are generally light, averaging 5km/h. Layered clothing works best as temperatures gradually cool — enjoy the crisp air and changing scenery.
Winter
Temperatures range from 26 to 30°C. Precipitation is minimal, with only around 44mm for the entire season. Winds are generally light, averaging 3km/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 Colachel 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.