Climate Insights for Georgetown

The climate in Georgetown is hot. The average annual temperature is 25°C and approximately 93mm of precipitation falls per year. March is the wettest month, receiving around 22mm of rainfall. Georgetown sits near the equator, so seasonal temperature differences are minimal throughout the year.

Georgetown has relatively stable temperatures year-round, staying within a 4°C range. The warmest month is April, when average highs reach 27°C and the mean temperature sits around 27°C. September is the coolest month, with minimum temperatures around 23°C and an average of 23°C. Daily temperature variation is modest, with an average difference of 1°C between highs and lows.

Georgetown is a quite dry location, receiving approximately 93mm of precipitation annually, which averages out to around 8mm per month. The wettest month is March, averaging 22mm of rainfall. April and February also tend to see above-average precipitation. The driest month is November, with just 2mm. 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.

Georgetown is moderately windy, with an average annual wind speed of 30km/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 33km/h, which can feel quite blustery and may affect outdoor activities. The calmest conditions occur in January, with average winds dropping to 26km/h, making it an ideal period for wind-sensitive activities. Wind conditions are fairly consistent throughout the year, varying by only 7km/h between the calmest and windiest months. Wind tends to be stronger during winter months, driven by seasonal pressure systems. The seasonal averages break down to 32km/h in winter, 31km/h in spring, 27km/h in summer, 29km/h in autumn.

It is currently autumn in Georgetown, which began on March 20, 2026. Georgetown 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 27°C, while the coldest stretch bottoms out in September near 23°C. Winter is next, beginning on June 21, 2026 — 89 days from now.

The best time to visit Georgetown is during July, August, September, October, November and December, when the weather is most comfortable for travellers. During these months, average temperatures hover around 24°C with modest rainfall averaging 5mm per month. By contrast, April can be uncomfortably hot with temperatures reaching 27°C. With minimal rainfall expected, you can pack light and plan outdoor activities with confidence.

The table below shows monthly climate averages for Georgetown 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.