Climate Overview
The climate in Itumbiara is hot. The average annual temperature is 31°C and approximately 42mm of precipitation falls per year. May is the wettest month, receiving around 30mm of rainfall. Itumbiara 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: November, March, April. The coldest months are February, January, August, when temperatures can drop to 21°C.
Temperature
Temperatures in Itumbiara vary considerably across the year, with a 24°C difference between the coldest and warmest months. November is the hottest month, with daytime highs reaching 45°C and an average of 36°C. February is the coolest month, with minimum temperatures around 21°C and an average of 27°C. On average, daily temperatures fluctuate by about 12°C between overnight lows and afternoon highs. The sharpest temperature change occurs between February and March, with a 7°C shift in average temperatures.
Precipitation
Itumbiara is a quite dry location, receiving approximately 42mm of precipitation annually, which averages out to around 3mm per month. The wettest month is May, averaging 30mm of rainfall. June and January also tend to see above-average precipitation. The driest month is March, with just 0mm. That's 30mm less than May, 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
Itumbiara 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 January, averaging 8km/h, though still comfortable for most outdoor activities. The calmest conditions occur in March, with average winds dropping to 2km/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. Wind tends to pick up during the summer months. The seasonal averages are 4km/h in winter, 5km/h in spring, 6km/h in summer, 3km/h in autumn.
Seasons
16 days until Spring
It is currently winter in Itumbiara, which began on June 21, 2026. Itumbiara 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 November at around 45°C, while the coldest stretch bottoms out in February near 21°C. Spring is next, beginning on September 23, 2026 (16 days from now).
Spring
Temperatures range from 25 to 45°C. Precipitation is minimal, with only around 0mm for the entire season. Winds are generally light, averaging 5km/h. Light layers work well as temperatures warm through the season. It is a great time to be outdoors.
Summer
Temperatures range from 21 to 34°C. Precipitation is minimal, with only around 5mm for the entire season. Winds are generally light, averaging 6km/h. Light, breathable clothing is ideal. Perfect conditions for outdoor activities.
Autumn
Temperatures range from 25 to 42°C. Precipitation is minimal, with only around 33mm for the entire season. 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 22 to 37°C. Precipitation is minimal, with only around 4mm for the entire season. Winds are generally light, averaging 4km/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 Itumbiara is during January, when the weather is most comfortable for travellers. During these months, average temperatures hover around 21°C with modest rainfall averaging 3mm per month. By contrast, November can be uncomfortably hot with highs reaching 45°C, while February is the coldest period with lows dropping to 21°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 Itumbiara 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.