Climate Insights for Jetibá

The climate in Jetibá is warm and mild. The average annual temperature is 23°C and approximately 1199mm of precipitation falls per year. November is the wettest month, receiving around 207mm of rainfall. Jetibá 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, February, March. The coldest months are July, August, June, when temperatures can drop to 15°C.

Jetibá sees moderate temperature variation throughout the year, ranging from 15°C to 30°C. The warmest month is January, when average highs reach 30°C and the mean temperature sits around 25°C. July is the coolest month, with minimum temperatures around 15°C and an average of 19°C. On average, daily temperatures fluctuate by about 9°C between overnight lows and afternoon highs.

Jetibá is a moderately rainy area, receiving approximately 1199mm of precipitation annually, which averages out to around 100mm per month. The wettest month is November, averaging 207mm of rainfall. December and February also tend to see above-average precipitation. The driest month is June, with just 26mm. That's 181mm less than November, 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.

Jetibá is mildly breezy, with an average annual wind speed of 13km/h. For context, sustained winds below 12km/h are generally light, while anything above 25km/h is considered strong. The windiest month is September, averaging 14km/h, though still comfortable for most outdoor activities. The calmest conditions occur in May, with average winds dropping to 11km/h, making it an ideal period for wind-sensitive activities. Wind conditions are fairly consistent throughout the year, varying by only 3km/h between the calmest and windiest months.

It is currently autumn in Jetibá, which began on March 20, 2026. Jetibá 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 30°C, while the coldest stretch bottoms out in July near 15°C. Winter is next, beginning on June 21, 2026 — 88 days from now.

The best time to visit Jetibá is during April, May, June, July, August and September, when the weather is most comfortable for travellers. During these months, average temperatures hover around 21°C with modest rainfall averaging 46mm per month. By contrast, January can be uncomfortably hot with temperatures reaching 30°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 Jetibá 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.