Climate Insights for Tianguá

The climate in Tianguá is hot. The average annual temperature is 26°C and approximately 1012mm of precipitation falls per year. March is the wettest month, receiving around 278mm of rainfall. Tianguá sits near the equator, so seasonal temperature differences are minimal throughout the year.

Tianguá sees moderate temperature variation throughout the year, ranging from 20°C to 32°C. The warmest month is October, when average highs reach 32°C and the mean temperature sits around 27°C. August is the coolest month, with minimum temperatures around 20°C and an average of 26°C. On average, daily temperatures fluctuate by about 9°C between overnight lows and afternoon highs.

Tianguá is a moderately rainy area, receiving approximately 1012mm of precipitation annually, which averages out to around 84mm per month. The wettest month is March, averaging 278mm of rainfall. April and February also tend to see above-average precipitation. The driest month is September, with just 1mm. That's 277mm less than March, 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.

Tianguá is relatively calm, with an average annual wind speed of 5km/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 6km/h, though still comfortable for most outdoor activities. The calmest conditions occur in April, with average winds dropping to 3km/h, making it an ideal period for wind-sensitive activities. There is moderate seasonal variation in wind speed, with a 3km/h gap between the calmest and windiest months.

It is currently autumn in Tianguá, which began on March 20, 2026. Tianguá sits near the equator, so the traditional four-season cycle is less pronounced — temperatures remain relatively stable year-round. The warmest period peaks in October at around 32°C, while the coldest stretch bottoms out in August near 20°C. Winter is next, beginning on June 21, 2026 — 8 days from now.

The best time to visit Tianguá is during June, when the weather is most comfortable for travellers. During these months, average temperatures hover around 25°C with modest rainfall averaging 25mm per month. By contrast, October can be uncomfortably hot with highs reaching 32°C, while August is the coldest period with lows dropping to 20°C. With minimal rainfall expected, you can pack light and plan outdoor activities with confidence.

The table below shows monthly climate averages for Tianguá 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.