Climate Insights for Goiânia
Greater Goiânia, Goiás, Brazil
Climate Overview
The climate in Goiânia is warm and mild. The average annual temperature is 24°C and approximately 1,055 mm of precipitation falls per year. December is the wettest month, receiving around 196 mm of rainfall. Goiânia 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, May, when temperatures can drop to 15°C.The climate in Goiânia is warm and mild. The average annual temperature is 75°F and approximately 41.5 in of precipitation falls per year. December is the wettest month, receiving around 7.7 in of rainfall. Goiânia 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, May, when temperatures can drop to 59°F.
Temperature
Goiânia sees moderate temperature variation throughout the year, ranging from 15°C to 33°C. The warmest month is September, when average highs reach 33°C and the mean temperature sits around 27°C. July is the coolest month, with minimum temperatures around 15°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.Goiânia sees moderate temperature variation throughout the year, ranging from 59°F to 92°F. The warmest month is September, when average highs reach 92°F and the mean temperature sits around 80°F. July is the coolest month, with minimum temperatures around 59°F and an average of 71°F. On average, daily temperatures fluctuate by about 20°F between overnight lows and afternoon highs. The sharpest temperature change occurs between August and September, with a 5°F shift in average temperatures.
Precipitation
Goiânia is a moderately rainy area, receiving approximately 1,055 mm of precipitation annually, which averages out to around 88 mm per month. The wettest month is December, averaging 196 mm of rainfall. January and February also tend to see above-average precipitation. The driest month is July, with just 0 mm. That's 196 mm 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.Goiânia is a moderately rainy area, receiving approximately 41.5 in of precipitation annually, which averages out to around 3.5 in per month. The wettest month is December, averaging 7.7 in of rainfall. January and February also tend to see above-average precipitation. The driest month is July, with just 0 in. That's 7.7 in 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.
Wind
Goiânia is relatively calm, with an average annual wind speed of 8km/h. For context, sustained winds below 12km/h are generally light, while anything above 25km/h is considered strong. The windiest month is August, averaging 10km/h, though still comfortable for most outdoor activities. The calmest conditions occur in March, with average winds dropping to 6km/h, making it an ideal period for wind-sensitive activities. There is moderate seasonal variation in wind speed, with a 4km/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 9km/h in winter, 8km/h in spring, 7km/h in summer, 7km/h in autumn.Goiânia is mildly breezy, with an average annual wind speed of 5mph. For context, sustained winds below 7mph are generally light, while anything above 16mph is considered strong. The windiest month is August, averaging 6mph, though still comfortable for most outdoor activities. The calmest conditions occur in March, with average winds dropping to 4mph, making it an ideal period for wind-sensitive activities. There is moderate seasonal variation in wind speed, with a 2mph 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 6mph in winter, 5mph in spring, 4mph in summer, 4mph in autumn.
Best Time to Visit
The best time to visit Goiânia is during April, May, June, July and August, when the weather is most comfortable for travellers. During these months, average temperatures hover around 23°C with modest rainfall averaging 15 mm per month. By contrast, September can be uncomfortably hot with temperatures reaching 33°C. With minimal rainfall expected, you can pack light and plan outdoor activities with confidence.The best time to visit Goiânia is during April, May, June, July and August, when the weather is most comfortable for travellers. During these months, average temperatures hover around 73°F with modest rainfall averaging 0.6 in per month. By contrast, September can be uncomfortably hot with temperatures reaching 92°F. With minimal rainfall expected, you can pack light and plan outdoor activities with confidence.
Monthly Climate Data
The table below shows monthly climate averages for Goiânia 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.The table below shows monthly climate averages for Goiânia based on historical weather data. Min and max temperatures represent typical overnight lows and afternoon highs for each month, shown in degrees Fahrenheit (°F). Precipitation is measured in millimetres (mm) and indicates the average total rainfall per month. Wind speed is the average sustained speed in miles per hour (mph). All values are based on averages from over 10 years of historical weather data. The current month is highlighted for quick reference.