Climate Insights for Itanhandu

The climate in Itanhandu is temperate. The average annual temperature is 18°C and approximately 1946mm of precipitation falls per year. December is the wettest month, receiving around 334mm of rainfall. Itanhandu 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, March. The coldest months are July, August, June, when temperatures can drop to 9°C.

Itanhandu sees moderate temperature variation throughout the year, ranging from 9°C to 25°C. January is the warmest month, though highs remain moderate at 25°C with a mean of 20°C. July is the coolest month, with minimum temperatures around 9°C and an average of 14°C. On average, daily temperatures fluctuate by about 9°C between overnight lows and afternoon highs. The sharpest temperature change occurs between August and September, with a 3°C shift in average temperatures.

Itanhandu is a fairly wet location, receiving approximately 1946mm of precipitation annually, which averages out to around 162mm per month. The wettest month is December, averaging 334mm of rainfall. January and February also tend to see above-average precipitation. The driest month is July, with just 19mm. That's 315mm 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.

Itanhandu 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 October, averaging 9km/h, though still comfortable for most outdoor activities. The calmest conditions occur in March, 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.

It is currently autumn in Itanhandu, which began on March 20, 2026. Itanhandu 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 25°C, while the coldest stretch bottoms out in July near 9°C. Winter is next, beginning on June 21, 2026 — 88 days from now.

The best time to visit Itanhandu is during April, May, August and September, when the weather is most comfortable for travellers. During these months, average temperatures hover around 17°C with modest rainfall averaging 63mm per month. By contrast, January can be uncomfortably hot with highs reaching 25°C, while July is the coldest period with lows dropping to 9°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 Itanhandu 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.