Climate Overview
The climate in Cabo de Santo Agostinho is hot. The average annual temperature is 25°C and approximately 1026mm 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 8°C range. The warmest month is February, when average highs reach 29°C and the mean temperature sits around 26°C. August is the coolest month, with minimum temperatures around 21°C and an average of 24°C. Daily temperature variation is modest, with an average difference of 5°C between highs and lows.
Precipitation
Cabo de Santo Agostinho is a moderately rainy area, receiving approximately 1026mm of precipitation annually, which averages out to around 86mm per month. The wettest month is May, averaging 200mm of rainfall. March and April also tend to see above-average precipitation. The driest month is October, with just 42mm. That's 159mm 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
Cabo de Santo Agostinho is relatively calm, with an average annual wind speed of 3km/h. For context, sustained winds below 12km/h are generally light, while anything above 25km/h is considered strong. The windiest month is October, averaging 4km/h, though still comfortable for most outdoor activities. The calmest conditions occur in January, with average winds dropping to 3km/h, making it an ideal period for wind-sensitive activities. There is moderate seasonal variation in wind speed, with a 1km/h gap between the calmest and windiest months.
Seasons
61 days until Spring
It is currently winter in Cabo de Santo Agostinho, which began on June 21, 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 February at around 29°C, while the coldest stretch bottoms out in August near 21°C. Spring is next, beginning on September 23, 2026 — 61 days from now.
Spring
Temperatures range from 22 to 28°C. Rainfall is relatively light, with around 137mm over the season and a monthly average of 46mm. 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 29°C. Precipitation is moderate at around 220mm for the season, averaging 73mm per month. Winds are generally light, averaging 3km/h. Light, breathable clothing is ideal — perfect conditions for outdoor activities.
Autumn
Temperatures range from 23 to 29°C. Rainfall is heavy, totalling around 462mm across the season with a monthly average of 154mm. Winds are generally light, averaging 3km/h. A waterproof jacket and sturdy footwear are recommended as rain becomes more frequent.
Winter
Temperatures range from 21 to 27°C. Precipitation is moderate at around 207mm for the season, averaging 69mm per month. Winds are generally light, averaging 3km/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 June, 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 65mm per month. By contrast, February can be uncomfortably hot with temperatures reaching 29°C. A light rain jacket is recommended, though showers are generally brief and shouldn't disrupt your plans.
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.