Climate Insights for Ji Paraná

The climate in Ji Paraná is temperate. The average annual temperature is 12°C and approximately 232mm of precipitation falls per year. November is the wettest month, receiving around 33mm of rainfall. Ji Paraná 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: December, November, October. The coldest months are August, July, April, when temperatures can drop to 4°C.

Temperatures in Ji Paraná vary considerably across the year, with a 24°C difference between the coldest and warmest months. The warmest month is December, when average highs reach 28°C and the mean temperature sits around 22°C. August is the coolest month, with minimum temperatures around 4°C and an average of 10°C. Daily temperature variation is modest, with an average difference of 7°C between highs and lows. The sharpest temperature change occurs between October and November, with a 7°C shift in average temperatures.

Ji Paraná is a quite dry location, receiving approximately 232mm of precipitation annually, which averages out to around 19mm per month. The wettest month is June, averaging 33mm of rainfall. July and August also tend to see above-average precipitation. The driest month is February, with just 0mm. That's 33mm less than June, 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.

Ji Paraná 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 May, averaging 9km/h, though still comfortable for most outdoor activities. The calmest conditions occur in October, with average winds dropping to 3km/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.

It is currently winter in Ji Paraná, which began on June 21, 2026. Ji Paraná 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 December at around 28°C, while the coldest stretch bottoms out in August near 4°C. Spring is next, beginning on September 23, 2026 (16 days from now).

The best time to visit Ji Paraná is during November and December, when the weather is most comfortable for travellers. During these months, average temperatures hover around 21°C with modest rainfall averaging 19mm per month. By contrast, August can be quite cold with temperatures dropping to 4°C. With minimal rainfall expected, you can pack light and plan outdoor activities with confidence.

The table below shows monthly climate averages for Ji Paraná 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.