Climate Overview
The climate in Cabo de Santo Agostinho is hot. The average annual temperature is 26°C and approximately 1197mm of precipitation falls per year. Cabo de Santo Agostinho receives a notable amount of rainfall throughout the year, including during its driest month. Cabo de Santo Agostinho sits near the equator, so seasonal temperature differences are minimal throughout the year.
Temperature
Cabo de Santo Agostinho has relatively stable temperatures year-round, staying within a 5°C range. The warmest month is March, when average highs reach 28°C and the mean temperature sits around 27°C. August is the coolest month, with minimum temperatures around 23°C and an average of 24°C. Daily temperature variation is modest, with an average difference of 3°C between highs and lows.
Precipitation
Cabo de Santo Agostinho is a moderately rainy area, receiving approximately 1197mm of precipitation annually, which averages out to around 100mm per month. The wettest month is June, averaging 194mm of rainfall. May and July also tend to see above-average precipitation. The driest month is November, with just 39mm. That's 154mm less than June, the wettest month. Precipitation varies noticeably between seasons, with the first half (January to June) of the year generally seeing more rainfall.
Wind
Cabo de Santo Agostinho is mildly breezy, with an average annual wind speed of 20km/h. For context, sustained winds below 12km/h are generally light, while anything above 25km/h is considered strong. The windiest month is August, averaging 22km/h, noticeable enough to affect lighter outdoor activities. The calmest conditions occur in April, with average winds dropping to 18km/h, making it an ideal period for wind-sensitive activities. Wind conditions are fairly consistent throughout the year, varying by only 4km/h between the calmest and windiest months. Wind tends to be stronger during winter months, driven by seasonal pressure systems. The seasonal averages break down to 22km/h in winter, 21km/h in spring, 19km/h in summer, 18km/h in autumn.
Seasons
89 days until Winter
It is currently autumn in Cabo de Santo Agostinho, which began on March 20, 2026. Cabo de Santo Agostinho sits near the equator, so the traditional four-season cycle is less pronounced — temperatures remain relatively stable year-round. The warmest period peaks in March at around 28°C, while the coldest stretch bottoms out in August near 23°C. Winter is next, beginning on June 21, 2026 — 89 days from now.
Spring
Temperatures range from 23 to 28°C. Rainfall is relatively light, with around 137mm over the season and a monthly average of 46mm. Winds are moderate at around 21km/h. Light layers work well as temperatures warm through the season — a great time to be outdoors.
Summer
Temperatures range from 25 to 28°C. Precipitation is moderate at around 205mm for the season, averaging 68mm per month. Winds are moderate at around 19km/h. Light, breathable clothing is ideal — perfect conditions for outdoor activities.
Autumn
Temperatures range from 24 to 28°C. Rainfall is heavy, totalling around 426mm across the season with a monthly average of 142mm. Winds are moderate at around 18km/h. A waterproof jacket and sturdy footwear are recommended as rain becomes more frequent.
Winter
Temperatures range from 23 to 27°C. Rainfall is heavy, totalling around 429mm across the season with a monthly average of 143mm. Winds are moderate at around 22km/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 Cabo de Santo Agostinho is during August and September, when the weather is most comfortable for travellers. During these months, average temperatures hover around 25°C with modest rainfall averaging 73mm per month. By contrast, March can be uncomfortably hot with temperatures reaching 28°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 Cabo de Santo Agostinho 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.
