Climate Insights for Conceição do Castelo

The climate in Conceição do Castelo is warm and mild. The average annual temperature is 21°C and approximately 917mm of precipitation falls per year. December is the wettest month, receiving around 175mm of rainfall. Conceição do Castelo 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, March, February. The coldest months are July, June, August, when temperatures can drop to 13°C.

Conceição do Castelo sees moderate temperature variation throughout the year, ranging from 13°C to 28°C. The warmest month is January, when average highs reach 28°C and the mean temperature sits around 23°C. July is the coolest month, with minimum temperatures around 13°C and an average of 18°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 2°C shift in average temperatures.

Conceição do Castelo is a moderately rainy area, receiving approximately 917mm of precipitation annually, which averages out to around 76mm per month. The wettest month is December, averaging 175mm of rainfall. November and February also tend to see above-average precipitation. The driest month is July, with just 6mm. That's 169mm 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.

Conceição do Castelo is relatively calm, with an average annual wind speed of 11km/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 12km/h, though still comfortable for most outdoor activities. The calmest conditions occur in April, with average winds dropping to 9km/h, making it an ideal period for wind-sensitive activities. Wind conditions are fairly consistent throughout the year, varying by only 3km/h between the calmest and windiest months.

It is currently autumn in Conceição do Castelo, which began on March 20, 2026. Conceição do Castelo 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 28°C, while the coldest stretch bottoms out in July near 13°C. Winter is next, beginning on June 21, 2026 — 89 days from now.

The best time to visit Conceição do Castelo is during March, April, May, June, July, August, September and October, when the weather is most comfortable for travellers. During these months, average temperatures hover around 20°C with modest rainfall averaging 40mm per month. By contrast, January can be uncomfortably hot with temperatures reaching 28°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 Conceição do Castelo 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.