Climate Insights for Rio Casca

The climate in Rio Casca is warm and mild. The average annual temperature is 24°C and approximately 1024mm of precipitation falls per year. January is the wettest month, receiving around 196mm of rainfall. Rio Casca 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: March, January, February. The coldest months are July, June, August, when temperatures can drop to 15°C.

Rio Casca sees moderate temperature variation throughout the year, ranging from 15°C to 31°C. The warmest month is March, when average highs reach 31°C and the mean temperature sits around 26°C. July is the coolest month, with minimum temperatures around 15°C and an average of 20°C. On average, daily temperatures fluctuate by about 10°C between overnight lows and afternoon highs. The sharpest temperature change occurs between August and September, with a 3°C shift in average temperatures.

Rio Casca is a moderately rainy area, receiving approximately 1024mm of precipitation annually, which averages out to around 85mm per month. The wettest month is January, averaging 196mm of rainfall. December and February also tend to see above-average precipitation. The driest month is July, with just 5mm. That's 191mm less than January, 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.

Rio Casca 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 September, 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. There is moderate seasonal variation in wind speed, with a 1km/h gap between the calmest and windiest months.

It is currently autumn in Rio Casca, which began on March 20, 2026. Rio Casca 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 March at around 31°C, while the coldest stretch bottoms out in July near 15°C. Winter is next, beginning on June 21, 2026 — 12 days from now.

The best time to visit Rio Casca is during April, May, June, July, August, September and October, when the weather is most comfortable for travellers. During these months, average temperatures hover around 22°C with modest rainfall averaging 34mm per month. By contrast, March can be uncomfortably hot with temperatures reaching 31°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 Rio Casca 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.