Climate Insights for Arouca

The climate in Arouca is hot. The average annual temperature is 26°C and approximately 1235mm of precipitation falls per year. Arouca receives a notable amount of rainfall throughout the year, including during its driest month. Arouca is in the Northern Hemisphere. Summer begins at the end of June and lasts through September. The summer months are: September, October, August. The coldest months are January, February, March, when temperatures can drop to 24°C.

Arouca has relatively stable temperatures year-round, staying within a 5°C range. The warmest month is September, when average highs reach 29°C and the mean temperature sits around 27°C. January is the coolest month, with minimum temperatures around 24°C and an average of 25°C. Daily temperature variation is modest, with an average difference of 2°C between highs and lows.

Arouca is a fairly wet location, receiving approximately 1235mm of precipitation annually, which averages out to around 103mm per month. The wettest month is July, averaging 168mm of rainfall. October and November also tend to see above-average precipitation. The driest month is April, with just 34mm. That's 134mm less than July, the wettest month. Precipitation varies noticeably between seasons, with the second half (July to December) of the year generally seeing more rainfall.

Arouca is moderately windy, with an average annual wind speed of 25km/h. For context, sustained winds below 12km/h are generally light, while anything above 25km/h is considered strong. The windiest month is February, averaging 27km/h, noticeable enough to affect lighter outdoor activities. The calmest conditions occur in September, with average winds dropping to 20km/h, making it an ideal period for wind-sensitive activities. Wind conditions are fairly consistent throughout the year, varying by only 7km/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 26km/h in winter, 27km/h in spring, 24km/h in summer, 22km/h in autumn.

It is currently spring in Arouca, which began on March 20, 2026. Arouca 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 September at around 29°C, while the coldest stretch bottoms out in January near 24°C. Summer is next, beginning on June 21, 2026 — 89 days from now.

The table below shows monthly climate averages for Arouca 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.