Climate Overview
The climate in Goianápolis is temperate. The average annual temperature is 16°C and approximately 308mm of precipitation falls per year. December is the wettest month, receiving around 33mm of rainfall. Goianápolis 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, July, June. The coldest months are April, March, May, when temperatures can drop to -4°C. Snowfall occurs from February to May, with around 102cm accumulating over the season.
Temperature
Goianápolis has a wide annual temperature range, spanning 37°C from the coldest to warmest months. The warmest month is January, when average highs reach 33°C and the mean temperature sits around 27°C. The coldest month is April, when overnight lows fall to -4°C and the daily average is 1°C. Daily temperature variation is modest, with an average difference of 7°C between highs and lows. The sharpest temperature change occurs between January and February, with a 17°C shift in average temperatures.
Precipitation
Goianápolis is a quite dry location, receiving approximately 308mm of precipitation annually, which averages out to around 26mm per month. The wettest month is February, averaging 33mm of rainfall. March and April also tend to see above-average precipitation. The driest month is July, with just 3mm. That's 30mm less than February, 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. Snowfall is a regular feature from February to May, with around 102cm accumulating over the season. March typically sees the most snow at around 33cm.
Wind
Goianápolis is relatively calm, with an average annual wind speed of 3km/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 7km/h, though still comfortable for most outdoor activities. The calmest conditions occur in June, with average winds dropping to 1km/h, making it an ideal period for wind-sensitive activities. Wind speeds vary significantly across the year, with a 6km/h difference between the calmest and windiest months. This level of variation is worth factoring into travel plans.
Seasons
16 days until Spring
It is currently winter in Goianápolis, which began on June 21, 2026. Goianápolis 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 33°C, while the coldest stretch bottoms out in April near -4°C. Spring is next, beginning on September 23, 2026 — 16 days from now.
Spring
Temperatures range from 20 to 23°C. Rainfall is relatively light, with around 86mm over the season and a monthly average of 29mm. Winds are generally light, averaging 5km/h. Light layers work well as temperatures warm through the season — a great time to be outdoors.
Summer
Temperatures range from 2 to 33°C. Rainfall is relatively light, with around 78mm over the season and a monthly average of 26mm. Winds are generally light, averaging 3km/h. Comfortable clothing with a light layer for cooler evenings is all you need.
Autumn
Temperatures range from -4 to 13°C. Rainfall is relatively light, with around 98mm over the season and a monthly average of 33mm. Expect around 88cm of snow accumulation during this period. Winds are generally light, averaging 3km/h. Layered clothing works best as temperatures gradually cool — enjoy the crisp air and changing scenery.
Winter
Temperatures range from 15 to 27°C. Precipitation is minimal, with only around 46mm for the entire season. Winds are generally light, averaging 2km/h. A light jacket or sweater is usually sufficient, though cooler evenings may call for an extra layer.
Best Time to Visit
The best time to visit Goianápolis is during June, July, August, September, October, November and December, when the weather is most comfortable for travellers. During these months, average temperatures hover around 21°C with modest rainfall averaging 24mm per month. By contrast, January can be uncomfortably hot with highs reaching 33°C, while April is the coldest period with lows dropping to -4°C. 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 Goianápolis 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. Snow is measured in centimetres (cm) and reflects average monthly snowfall accumulation. 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.