Climate Insights for Cathcart

The climate in Cathcart is temperate. The average annual temperature is 16°C and approximately 679mm of precipitation falls per year. March is the wettest month, receiving around 107mm of rainfall. Cathcart 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: December, January, February. The coldest months are July, June, August, when temperatures can drop to 5°C.

Temperatures in Cathcart vary considerably across the year, with a 24°C difference between the coldest and warmest months. The warmest month is December, when average highs reach 29°C and the mean temperature sits around 20°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 April and May, with a 4°C shift in average temperatures.

Cathcart is a relatively dry area, receiving approximately 679mm of precipitation annually, which averages out to around 57mm per month. The wettest month is March, averaging 107mm of rainfall. February and January also tend to see above-average precipitation. The driest month is June, with just 9mm. That's 98mm less than March, 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.

Cathcart is relatively calm, with an average annual wind speed of 3km/h. For context, sustained winds below 12km/h are generally light, while anything above 25km/h is considered strong. The windiest month is June, averaging 3km/h, though still comfortable for most outdoor activities. The calmest conditions occur in May, with average winds dropping to 2km/h, making it an ideal period for wind-sensitive activities. Wind conditions are fairly consistent throughout the year, varying by only 1km/h between the calmest and windiest months.

It is currently winter in Cathcart, which began on June 21, 2026. Cathcart 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 December at around 29°C, while the coldest stretch bottoms out in July near 5°C. Spring is next, beginning on September 23, 2026 — 52 days from now.

The best time to visit Cathcart is during January, February, April, October, November and December, when the weather is most comfortable for travellers. During these months, average temperatures hover around 18°C with modest rainfall averaging 65mm 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.

The table below shows monthly climate averages for Cathcart 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.