Climate Insights for Georgetown

The climate in Georgetown is hot. The average annual temperature is 25°C and approximately 188mm of precipitation falls per year. April is the wettest month, receiving around 20mm 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 March, 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 188mm of precipitation annually, which averages out to around 16mm per month. The wettest month is April, averaging 20mm of rainfall. September and August also tend to see above-average precipitation. The driest month is December, with just 12mm. Rainfall is relatively evenly distributed throughout the year, so there is no pronounced dry or wet season to plan around.

Georgetown is relatively calm, with an average annual wind speed of 7km/h. For context, sustained winds below 12km/h are generally light, while anything above 25km/h is considered strong. The windiest month is September, averaging 8km/h, though still comfortable for most outdoor activities. The calmest conditions occur in January, with average winds dropping to 6km/h, making it an ideal period for wind-sensitive activities. Wind conditions are fairly consistent throughout the year, varying by only 2km/h between the calmest and windiest months.

It is currently winter in Georgetown, which began on June 21, 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 March at around 27°C, while the coldest stretch bottoms out in September near 23°C. Spring is next, beginning on September 23, 2026 — 92 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 15mm per month. By contrast, March 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.