Climate Overview
The climate in Calitzdorp is temperate. The average annual temperature is 17°C and approximately 337mm of precipitation falls per year. March is the wettest month, receiving around 37mm of rainfall. Calitzdorp 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: January, February, December. The coldest months are July, August, June, when temperatures can drop to 5°C.
Temperature
Temperatures in Calitzdorp vary considerably across the year, with a 26°C difference between the coldest and warmest months. The warmest month is January, when average highs reach 31°C and the mean temperature sits around 23°C. July is the coolest month, with minimum temperatures around 5°C and an average of 11°C. On average, daily temperatures fluctuate by about 14°C between overnight lows and afternoon highs. The sharpest temperature change occurs between March and April, with a 3°C shift in average temperatures.
Precipitation
Calitzdorp is a quite dry location, receiving approximately 337mm of precipitation annually, which averages out to around 28mm per month. The wettest month is March, averaging 37mm of rainfall. September and January also tend to see above-average precipitation. The driest month is July, with just 18mm. Rainfall is relatively evenly distributed throughout the year, so there is no pronounced dry or wet season to plan around.
Wind
Calitzdorp is relatively calm, with an average annual wind speed of 8km/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 9km/h, though still comfortable for most outdoor activities. The calmest conditions occur in May, with average winds dropping to 7km/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.
Seasons
8 days until Spring
It is currently winter in Calitzdorp, which began on June 21, 2026. Calitzdorp 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 January at around 31°C, while the coldest stretch bottoms out in July near 5°C. Spring is next, beginning on September 23, 2026 (8 days from now).
Spring
Temperatures range from 9 to 27°C. Rainfall is relatively light, with around 96mm over the season and a monthly average of 32mm. Winds are generally light, averaging 8km/h. Light layers work well as temperatures warm through the season. It is a great time to be outdoors.
Summer
Temperatures range from 15 to 31°C. Rainfall is relatively light, with around 87mm over the season and a monthly average of 29mm. Winds are generally light, averaging 9km/h. Light, breathable clothing is ideal. Perfect conditions for outdoor activities.
Autumn
Temperatures range from 9 to 28°C. Rainfall is relatively light, with around 91mm over the season and a monthly average of 30mm. Winds are generally light, averaging 7km/h. Layered clothing works best as temperatures gradually cool. Enjoy the crisp air and changing scenery.
Winter
Temperatures range from 5 to 20°C. Rainfall is relatively light, with around 64mm over the season and a monthly average of 21mm. Winds are generally light, averaging 8km/h. A light jacket or sweater is usually sufficient, though cooler evenings may call for an extra layer.
Best Time to Visit
The best time to visit Calitzdorp is during January, February, March, April, May, October, November and December, when the weather is most comfortable for travellers. During these months, average temperatures hover around 20°C with modest rainfall averaging 30mm per month. By contrast, July can be quite cold with temperatures dropping to 5°C. A light rain jacket is recommended, though showers are generally brief and shouldn't disrupt your plans.
Monthly Climate Data
The table below shows monthly climate averages for Calitzdorp 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.
