Climate Insights for Galle
Galle District, Southern Province, Sri Lanka
Climate Overview
The climate in Galle is hot. The average annual temperature is 27°C and approximately 2,259 mm 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.The climate in Galle is hot. The average annual temperature is 81°F and approximately 88.9 in 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 4°C range. The warmest month is April, when average highs reach 29°C and the mean temperature sits around 28°C. January 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 2°C between highs and lows.Galle has relatively stable temperatures year-round, staying within a 8°F range. The warmest month is April, when average highs reach 85°F and the mean temperature sits around 82°F. January is the coolest month, with minimum temperatures around 77°F and an average of 80°F. Daily temperature variation is modest, with an average difference of 4°F between highs and lows.
Precipitation
Galle is a very wet location, receiving approximately 2,259 mm of precipitation annually, which averages out to around 188 mm per month. The wettest month is May, averaging 346 mm of rainfall. November and October also tend to see above-average precipitation. The driest month is February, with just 58 mm. That's 288 mm 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.Galle is a very wet location, receiving approximately 88.9 in of precipitation annually, which averages out to around 7.4 in per month. The wettest month is May, averaging 13.6 in of rainfall. November and October also tend to see above-average precipitation. The driest month is February, with just 2.3 in. That's 11.3 in 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 mildly breezy, with an average annual wind speed of 15km/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 22km/h, noticeable enough to affect lighter outdoor activities. The calmest conditions occur in January, with average winds dropping to 7km/h, making it an ideal period for wind-sensitive activities. Wind speeds vary significantly across the year, with a 15km/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 8km/h in winter, 13km/h in spring, 22km/h in summer, 16km/h in autumn.Galle is moderately windy, with an average annual wind speed of 9mph. For context, sustained winds below 7mph are generally light, while anything above 16mph is considered strong. The windiest month is July, averaging 14mph, which can feel quite blustery and may affect outdoor activities. The calmest conditions occur in January, with average winds dropping to 5mph, making it an ideal period for wind-sensitive activities. Wind speeds vary significantly across the year, with a 9mph 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 5mph in winter, 8mph in spring, 14mph in summer, 10mph in autumn.
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.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 Fahrenheit (°F). Precipitation is measured in millimetres (mm) and indicates the average total rainfall per month. Wind speed is the average sustained speed in miles per hour (mph). All values are based on averages from over 10 years of historical weather data. The current month is highlighted for quick reference.