Climate Insights for Campos dos Goytacazes

The climate in Campos dos Goytacazes is hot. The average annual temperature is 26°C and approximately 981mm of precipitation falls per year. December is the wettest month, receiving around 170mm of rainfall. Campos dos Goytacazes 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: March, February, January. The coldest months are July, August, June, when temperatures can drop to 18°C.

Campos dos Goytacazes sees moderate temperature variation throughout the year, ranging from 18°C to 33°C. The warmest month is March, when average highs reach 33°C and the mean temperature sits around 28°C. July is the coolest month, with minimum temperatures around 18°C and an average of 23°C. On average, daily temperatures fluctuate by about 9°C between overnight lows and afternoon highs. The sharpest temperature change occurs between April and May, with a 2°C shift in average temperatures.

Campos dos Goytacazes is a moderately rainy area, receiving approximately 981mm of precipitation annually, which averages out to around 82mm per month. The wettest month is December, averaging 170mm of rainfall. November and January also tend to see above-average precipitation. The driest month is July, with just 16mm. That's 154mm 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.

Campos dos Goytacazes 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 5km/h, though still comfortable for most outdoor activities. The calmest conditions occur in May, with average winds dropping to 4km/h, making it an ideal period for wind-sensitive activities. There is moderate seasonal variation in wind speed, with a 1km/h gap between the calmest and windiest months.

It is currently autumn in Campos dos Goytacazes, which began on March 20, 2026. Campos dos Goytacazes 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 March at around 33°C, while the coldest stretch bottoms out in July near 18°C. Winter is next, beginning on June 21, 2026 — 12 days from now.

The best time to visit Campos dos Goytacazes is during May, June, July, August and September, when the weather is most comfortable for travellers. During these months, average temperatures hover around 24°C with modest rainfall averaging 30mm per month. By contrast, March 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 Campos dos Goytacazes 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.