Climate Insights for Iúna

The climate in Iúna is warm and mild. The average annual temperature is 21°C and approximately 1008mm of precipitation falls per year. December is the wettest month, receiving around 203mm of rainfall. Iúna 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, August, June, when temperatures can drop to 13°C.

Iúna sees moderate temperature variation throughout the year, ranging from 13°C to 28°C. The warmest month is March, when average highs reach 28°C and the mean temperature sits around 23°C. July is the coolest month, with minimum temperatures around 13°C and an average of 18°C. On average, daily temperatures fluctuate by about 9°C between overnight lows and afternoon highs. The sharpest temperature change occurs between April and May, with a 2°C shift in average temperatures.

Iúna is a moderately rainy area, receiving approximately 1008mm of precipitation annually, which averages out to around 84mm per month. The wettest month is December, averaging 203mm of rainfall. February and November also tend to see above-average precipitation. The driest month is July, with just 5mm. That's 198mm less than December, 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.

Iúna is relatively calm, with an average annual wind speed of 10km/h. For context, sustained winds below 12km/h are generally light, while anything above 25km/h is considered strong. The windiest month is October, averaging 11km/h, though still comfortable for most outdoor activities. The calmest conditions occur in April, with average winds dropping to 9km/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.

It is currently autumn in Iúna, which began on March 20, 2026. Iúna 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 28°C, while the coldest stretch bottoms out in July near 13°C. Winter is next, beginning on June 21, 2026 — 88 days from now.

The best time to visit Iúna is during March, April, May, June, July, August and September, when the weather is most comfortable for travellers. During these months, average temperatures hover around 20°C with modest rainfall averaging 33mm per month. 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 Iúna 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.