Climate Insights for Porteirinha

The climate in Porteirinha is cool. The average annual temperature is 6°C and approximately 361mm of precipitation falls per year. December is the wettest month, receiving around 33mm of rainfall. Porteirinha 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: April, September, December. The coldest months are February, January, March, when temperatures can drop to 2°C. Light snow can occur between February and February.

Porteirinha has relatively stable temperatures year-round, staying within a 6°C range. April is the warmest month, though highs remain moderate at 8°C with a mean of 7°C. February is the coolest month, with minimum temperatures around 2°C and an average of 4°C. Daily temperature variation is modest, with an average difference of 2°C between highs and lows. The sharpest temperature change occurs between February and March, with a 2°C shift in average temperatures.

Porteirinha is a quite dry location, receiving approximately 361mm of precipitation annually, which averages out to around 30mm per month. The wettest month is January, averaging 33mm of rainfall. February and March also tend to see above-average precipitation. The driest month is June, with just 19mm. Rainfall is relatively evenly distributed throughout the year, so there is no pronounced dry or wet season to plan around. Light snowfall can occur between February and February, totalling around 15cm annually. February is the snowiest month with approximately 14cm.

Porteirinha is relatively calm, with an average annual wind speed of 11km/h. For context, sustained winds below 12km/h are generally light, while anything above 25km/h is considered strong. The windiest month is March, averaging 13km/h, though still comfortable for most outdoor activities. The calmest conditions occur in December, with average winds dropping to 9km/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.

It is currently winter in Porteirinha, which began on June 21, 2026. Porteirinha 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 April at around 8°C, while the coldest stretch bottoms out in February near 2°C. Spring is next, beginning on September 23, 2026 — 16 days from now.

The table below shows monthly climate averages for Porteirinha 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. Snow is measured in centimetres (cm) and reflects average monthly snowfall accumulation. 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.