Climate Insights for Iúna

The climate in Iúna is warm and mild. The average annual temperature is 21°C and approximately 974mm of precipitation falls per year. December is the wettest month, receiving around 189mm 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, February, January. The coldest months are July, June, August, when temperatures can drop to 13°C.

Iúna sees moderate temperature variation throughout the year, ranging from 13°C to 29°C. The warmest month is March, when average highs reach 29°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 10°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 974mm of precipitation annually, which averages out to around 81mm per month. The wettest month is December, averaging 189mm of rainfall. January and November also tend to see above-average precipitation. The driest month is July, with just 8mm. That's 181mm 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 6km/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 8km/h, though still comfortable for most outdoor activities. The calmest conditions occur in May, with average winds dropping to 6km/h, making it an ideal period for wind-sensitive activities. There is moderate seasonal variation in wind speed, with a 2km/h gap between the calmest and windiest months.

It is currently winter in Iúna, which began on June 21, 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 29°C, while the coldest stretch bottoms out in July near 13°C. Spring is next, beginning on September 23, 2026 (3 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 34mm 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.