Climate Insights for Anastácio

The climate in Anastácio is hot. The average annual temperature is 25°C and approximately 1212mm of precipitation falls per year. January is the wettest month, receiving around 182mm of rainfall. Anastácio 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: October, September, November. The coldest months are July, June, August, when temperatures can drop to 16°C.

Anastácio sees moderate temperature variation throughout the year, ranging from 16°C to 33°C. The warmest month is October, when average highs reach 33°C and the mean temperature sits around 27°C. July is the coolest month, with minimum temperatures around 16°C and an average of 22°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 3°C shift in average temperatures.

Anastácio is a fairly wet location, receiving approximately 1212mm of precipitation annually, which averages out to around 101mm per month. The wettest month is January, averaging 182mm of rainfall. December and February also tend to see above-average precipitation. The driest month is July, with just 15mm. That's 167mm less than January, 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.

Anastácio 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 March, with average winds dropping to 11km/h, making it an ideal period for wind-sensitive activities. Wind conditions are fairly consistent throughout the year, varying by only 4km/h 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, 14km/h in spring, 11km/h in summer, 11km/h in autumn.

It is currently autumn in Anastácio, which began on March 20, 2026. Anastácio 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 October at around 33°C, while the coldest stretch bottoms out in July near 16°C. Winter is next, beginning on June 21, 2026 — 89 days from now.

The best time to visit Anastácio is during 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 47mm per month. By contrast, October can be uncomfortably hot with temperatures reaching 33°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 Anastácio 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.