Climate Insights for Angra do Heroísmo

The climate in Angra do Heroísmo is temperate. The average annual temperature is 18°C and approximately 744mm of precipitation falls per year. December is the wettest month, receiving around 112mm of rainfall. Angra do Heroísmo is in the Northern Hemisphere. Summer begins at the end of June and lasts through September. The summer months are: August, September, July. The coldest months are February, March, April, when temperatures can drop to 14°C.

Angra do Heroísmo has relatively stable temperatures year-round, staying within a 9°C range. August is the warmest month, though highs remain moderate at 23°C with a mean of 22°C. February is the coolest month, with minimum temperatures around 14°C and an average of 15°C. Daily temperature variation is modest, with an average difference of 1°C between highs and lows. The sharpest temperature change occurs between June and July, with a 2°C shift in average temperatures.

Angra do Heroísmo is a relatively dry area, receiving approximately 744mm of precipitation annually, which averages out to around 62mm per month. The wettest month is December, averaging 112mm of rainfall. January and November also tend to see above-average precipitation. The driest month is July, with just 20mm. That's 92mm less than December, 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.

Angra do Heroísmo is relatively calm, with an average annual wind speed of 7km/h. For context, sustained winds below 12km/h are generally light, while anything above 25km/h is considered strong. The windiest month is December, averaging 9km/h, though still comfortable for most outdoor activities. The calmest conditions occur in July, with average winds dropping to 5km/h, making it an ideal period for wind-sensitive activities. There is moderate seasonal variation in wind speed, with a 4km/h gap 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 8km/h in winter, 7km/h in spring, 5km/h in summer, 7km/h in autumn.

It is currently summer in Angra do Heroísmo, which began on June 21, 2026. Angra do Heroísmo is in the Northern Hemisphere, where spring begins in March, summer in June, autumn in September, and winter in December. The warmest period peaks in August at around 23°C, while the coldest stretch bottoms out in February near 14°C. Autumn is next, beginning on September 23, 2026 — 90 days from now.

The best time to visit Angra do Heroísmo is during April, May, June, July, August, September, October and November, when the weather is most comfortable for travellers. During these months, average temperatures hover around 19°C with modest rainfall averaging 51mm per month. By contrast, February can be quite cold with temperatures dropping to 14°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 Angra do Heroísmo 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.