Climate Overview
The climate in Umbaúba is hot. The average annual temperature is 26°C and approximately 967mm of precipitation falls per year. Umbaúba receives a notable amount of rainfall throughout the year, including during its driest month. Umbaúba 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: February, March, January. The coldest months are August, July, September, when temperatures can drop to 22°C.
Temperature
Umbaúba has relatively stable temperatures year-round, staying within a 8°C range. The warmest month is February, when average highs reach 30°C and the mean temperature sits around 28°C. August is the coolest month, with minimum temperatures around 22°C and an average of 24°C. Daily temperature variation is modest, with an average difference of 5°C between highs and lows.
Precipitation
Umbaúba is a moderately rainy area, receiving approximately 967mm of precipitation annually, which averages out to around 81mm per month. The wettest month is May, averaging 144mm of rainfall. June and April also tend to see above-average precipitation. The driest month is December, with just 44mm. That's 100mm less than May, the wettest month. Precipitation varies noticeably between seasons, with the first half (January to June) of the year generally seeing more rainfall.
Wind
Umbaúba is relatively calm, with an average annual wind speed of 4km/h. For context, sustained winds below 12km/h are generally light, while anything above 25km/h is considered strong. The windiest month is November, averaging 4km/h, though still comfortable for most outdoor activities. The calmest conditions occur in May, with average winds dropping to 3km/h, making it an ideal period for wind-sensitive activities. Wind conditions are fairly consistent throughout the year, varying by only 1km/h between the calmest and windiest months.
Seasons
90 days until Spring
It is currently winter in Umbaúba, which began on June 21, 2026. Umbaúba 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 February at around 30°C, while the coldest stretch bottoms out in August near 22°C. Spring is next, beginning on September 23, 2026 — 90 days from now.
Spring
Temperatures range from 22 to 29°C. Precipitation is moderate at around 168mm for the season, averaging 56mm per month. Winds are generally light, averaging 4km/h. Light layers work well as temperatures warm through the season — a great time to be outdoors.
Summer
Temperatures range from 24 to 30°C. Precipitation is moderate at around 153mm for the season, averaging 51mm per month. Winds are generally light, averaging 4km/h. Light, breathable clothing is ideal — perfect conditions for outdoor activities.
Autumn
Temperatures range from 24 to 30°C. Rainfall is heavy, totalling around 345mm across the season with a monthly average of 115mm. Winds are generally light, averaging 3km/h. A waterproof jacket and sturdy footwear are recommended as rain becomes more frequent.
Winter
Temperatures range from 22 to 27°C. Rainfall is heavy, totalling around 302mm across the season with a monthly average of 101mm. 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 Umbaúba is during July, August and September, when the weather is most comfortable for travellers. During these months, average temperatures hover around 24°C with modest rainfall averaging 78mm per month. By contrast, February can be uncomfortably hot with temperatures reaching 30°C. Despite being the best months overall, some rain is still likely — pack a waterproof layer and plan a mix of indoor and outdoor activities.
Monthly Climate Data
The table below shows monthly climate averages for Umbaúba 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.