Climate Insights for Vianópolis

The climate in Vianópolis is warm and mild. The average annual temperature is 23°C and approximately 1268mm of precipitation falls per year. December is the wettest month, receiving around 222mm of rainfall. Vianópolis 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: September, October, August. The coldest months are July, June, May, when temperatures can drop to 15°C.

Vianópolis sees moderate temperature variation throughout the year, ranging from 15°C to 32°C. The warmest month is September, when average highs reach 32°C and the mean temperature sits around 26°C. July is the coolest month, with minimum temperatures around 15°C and an average of 21°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.

Vianópolis is a fairly wet location, receiving approximately 1268mm of precipitation annually, which averages out to around 106mm per month. The wettest month is December, averaging 222mm of rainfall. February and January also tend to see above-average precipitation. The driest month is July, with just 1mm. That's 222mm 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.

Vianópolis is mildly breezy, with an average annual wind speed of 12km/h. For context, sustained winds below 12km/h are generally light, while anything above 25km/h is considered strong. The windiest month is August, averaging 15km/h, though still comfortable for most outdoor activities. The calmest conditions occur in March, with average winds dropping to 10km/h, making it an ideal period for wind-sensitive activities. There is moderate seasonal variation in wind speed, with a 5km/h gap between the calmest and windiest months. Wind tends to be stronger during winter months, driven by seasonal pressure systems. The seasonal averages break down to 14km/h in winter, 13km/h in spring, 11km/h in summer, 11km/h in autumn.

It is currently autumn in Vianópolis, which began on March 20, 2026. Vianópolis 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 September at around 32°C, while the coldest stretch bottoms out in July near 15°C. Winter is next, beginning on June 21, 2026 — 87 days from now.

The best time to visit Vianópolis is during April, May, June, July and August, when the weather is most comfortable for travellers. During these months, average temperatures hover around 22°C with modest rainfall averaging 20mm per month. By contrast, September can be uncomfortably hot with temperatures reaching 32°C. With minimal rainfall expected, you can pack light and plan outdoor activities with confidence.

The table below shows monthly climate averages for Vianópolis 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.