Climate Insights for Pires do Rio

The climate in Pires do Rio is warm and mild. The average annual temperature is 23°C and approximately 1111mm of precipitation falls per year. December is the wettest month, receiving around 208mm of rainfall. Pires do Rio 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, August, when temperatures can drop to 14°C.

Pires do Rio sees moderate temperature variation throughout the year, ranging from 14°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 14°C and an average of 21°C. On average, daily temperatures fluctuate by about 11°C between overnight lows and afternoon highs. The sharpest temperature change occurs between August and September, with a 3°C shift in average temperatures.

Pires do Rio is a moderately rainy area, receiving approximately 1111mm of precipitation annually, which averages out to around 93mm per month. The wettest month is December, averaging 208mm of rainfall. January and February also tend to see above-average precipitation. The driest month is July, with just 1mm. That's 207mm 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.

Pires do Rio 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 September, averaging 15km/h, though still comfortable for most outdoor activities. The calmest conditions occur in February, 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 Pires do Rio, which began on March 20, 2026. Pires do Rio 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 14°C. Winter is next, beginning on June 21, 2026 — 88 days from now.

The best time to visit Pires do Rio 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 16mm 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 Pires do Rio 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.