Climate Insights for Alexander Bay

The climate in Alexander Bay is temperate. The average annual temperature is 17°C and approximately 45mm of precipitation falls per year. June is the wettest month, receiving around 8mm of rainfall. Alexander Bay is in the Southern Hemisphere. The seasons are reversed: summer runs from December to February, while winter falls between June and August. The summer months are: February, January, April. The coldest months are August, July, September, when temperatures can drop to 10°C.

Alexander Bay sees moderate temperature variation throughout the year, ranging from 10°C to 23°C. February is the warmest month, though highs remain moderate at 23°C with a mean of 19°C. August is the coolest month, with minimum temperatures around 10°C and an average of 14°C. Daily temperature variation is modest, with an average difference of 8°C between highs and lows.

Alexander Bay is a quite dry location, receiving approximately 45mm of precipitation annually, which averages out to around 4mm per month. The wettest month is June, averaging 8mm of rainfall. July and September also tend to see above-average precipitation. The driest month is April, with just 2mm. Precipitation varies noticeably between seasons, with the first half (January to June) of the year generally seeing more rainfall.

Alexander Bay 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 December, averaging 17km/h, though still comfortable for most outdoor activities. The calmest conditions occur in May, with average winds dropping to 12km/h, making it an ideal period for wind-sensitive activities. Wind conditions are fairly consistent throughout the year, varying by only 5km/h between the calmest and windiest months.

It is currently winter in Alexander Bay, which began on June 21, 2026. Alexander Bay is in the Southern Hemisphere, where the seasons are reversed: spring starts in September, summer in December, autumn in March, and winter in June. The warmest period peaks in February at around 23°C, while the coldest stretch bottoms out in August near 10°C. Spring is next, beginning on September 23, 2026 (8 days from now).

The best time to visit Alexander Bay is during January, February, March, April, May, June, October, November and December, when the weather is most comfortable for travellers. During these months, average temperatures hover around 17°C with modest rainfall averaging 3mm per month. By contrast, August can be quite cold with temperatures dropping to 10°C. With minimal rainfall expected, you can pack light and plan outdoor activities with confidence.

The table below shows monthly climate averages for Alexander Bay 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.