Climate Insights for Arroio do Meio

The climate in Arroio do Meio is temperate. The average annual temperature is 15°C and approximately 319mm of precipitation falls per year. December is the wettest month, receiving around 33mm of rainfall. Arroio do Meio 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: March, April, February. The coldest months are December, November, October, when temperatures can drop to 10°C.

Arroio do Meio has relatively stable temperatures year-round, staying within a 8°C range. March is the warmest month, though highs remain moderate at 18°C with a mean of 17°C. December is the coolest month, with minimum temperatures around 10°C and an average of 12°C. Daily temperature variation is modest, with an average difference of 2°C between highs and lows.

Arroio do Meio is a quite dry location, receiving approximately 319mm of precipitation annually, which averages out to around 27mm per month. The wettest month is January, averaging 33mm of rainfall. March and April also tend to see above-average precipitation. The driest month is June, with just 14mm. Rainfall is relatively evenly distributed throughout the year, so there is no pronounced dry or wet season to plan around.

Arroio do Meio is relatively calm, with an average annual wind speed of 10km/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 14km/h, though still comfortable for most outdoor activities. The calmest conditions occur in February, with average winds dropping to 6km/h, making it an ideal period for wind-sensitive activities. Wind speeds vary significantly across the year, with a 8km/h difference between the calmest and windiest months. This level of variation is worth factoring into travel plans.

It is currently winter in Arroio do Meio, which began on June 21, 2026. Arroio do Meio 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 March at around 18°C, while the coldest stretch bottoms out in December near 10°C. Spring is next, beginning on September 23, 2026 (16 days from now).

The best time to visit Arroio do Meio is during February, March, April, May and June, when the weather is most comfortable for travellers. During these months, average temperatures hover around 17°C with modest rainfall averaging 24mm per month. By contrast, December can be quite cold with temperatures dropping to 10°C. With minimal rainfall expected, you can pack light and plan outdoor activities with confidence.

The table below shows monthly climate averages for Arroio do Meio 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.