Climate Insights for Saint George's

The climate in Saint George's is hot. The average annual temperature is 27°C and approximately 1232mm of precipitation falls per year. Saint George's receives a notable amount of rainfall throughout the year, including during its driest month. Saint George's is in the Northern Hemisphere. Summer begins at the end of June and lasts through September. The summer months are: September, October, August. The coldest months are February, January, March, when temperatures can drop to 25°C.

Saint George's has relatively stable temperatures year-round, staying within a 4°C range. The warmest month is September, when average highs reach 29°C and the mean temperature sits around 28°C. February 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 1°C between highs and lows.

Saint George's is a fairly wet location, receiving approximately 1232mm of precipitation annually, which averages out to around 103mm per month. The wettest month is July, averaging 178mm of rainfall. October and November also tend to see above-average precipitation. The driest month is February, with just 30mm. That's 148mm less than July, 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.

Saint George's is moderately windy, with an average annual wind speed of 26km/h. For context, sustained winds below 12km/h are generally light, while anything above 25km/h is considered strong. The windiest month is February, averaging 29km/h, noticeable enough to affect lighter outdoor activities. The calmest conditions occur in September, with average winds dropping to 20km/h, making it an ideal period for wind-sensitive activities. There is moderate seasonal variation in wind speed, with a 9km/h gap 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 28km/h in winter, 27km/h in spring, 25km/h in summer, 22km/h in autumn.

It is currently autumn in Saint George's, which began on September 23, 2026. Saint George's is in the Northern Hemisphere, where spring begins in March, summer in June, autumn in September, and winter in December. The warmest period peaks in September at around 29°C, while the coldest stretch bottoms out in February near 25°C. Winter is next, beginning on December 21, 2026 (87 days from now).

The table below shows monthly climate averages for Saint George's 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.