Climate Overview
The climate in Galle is hot. The average annual temperature is 27°C and approximately 2532mm of precipitation falls per year. Galle receives a notable amount of rainfall throughout the year, including during its driest month. Galle sits near the equator, so seasonal temperature differences are minimal throughout the year.
Temperature
Galle has relatively stable temperatures year-round, staying within a 6°C range. The warmest month is March, when average highs reach 30°C and the mean temperature sits around 27°C. January is the coolest month, with minimum temperatures around 24°C and an average of 26°C. Daily temperature variation is modest, with an average difference of 4°C between highs and lows.
Precipitation
Galle is a very wet location, receiving approximately 2532mm of precipitation annually, which averages out to around 211mm per month. The wettest month is May, averaging 396mm of rainfall. November and October also tend to see above-average precipitation. The driest month is January, with just 57mm. That's 338mm less than May, 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
Galle is relatively calm, with an average annual wind speed of 3km/h. For context, sustained winds below 12km/h are generally light, while anything above 25km/h is considered strong. The windiest month is June, averaging 5km/h, though still comfortable for most outdoor activities. The calmest conditions occur in February, 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 3km/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 2km/h in winter, 3km/h in spring, 5km/h in summer, 3km/h in autumn.
Seasons
91 days until Autumn
It is currently summer in Galle, which began on June 21, 2026. Galle 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 30°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 25 to 30°C. Rainfall is heavy, totalling around 672mm across the season with a monthly average of 224mm. Winds are generally light, averaging 3km/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 737mm across the season with a monthly average of 246mm. Winds are generally light, averaging 5km/h. Light, breathable clothing is ideal — perfect conditions for outdoor activities.
Autumn
Temperatures range from 25 to 28°C. Rainfall is heavy, totalling around 842mm across the season with a monthly average of 281mm. Winds are generally light, averaging 3km/h. A waterproof jacket and sturdy footwear are recommended as rain becomes more frequent.
Winter
Temperatures range from 24 to 29°C. Precipitation is moderate at around 281mm for the season, averaging 94mm per month. 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 Galle 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.
