Climate Insights for Santa Cruz do Sul

The climate in Santa Cruz do Sul is cool. The average annual temperature is 9°C and approximately 87mm of precipitation falls per year. December is the wettest month, receiving around 33mm of rainfall. Santa Cruz do Sul 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, May, March. The coldest months are July, August, November, when temperatures can drop to -1°C. Light snow can occur between December and December.

Temperatures in Santa Cruz do Sul vary considerably across the year, with a 24°C difference between the coldest and warmest months. April is the warmest month, though highs remain moderate at 23°C with a mean of 13°C. The coldest month is July, when overnight lows fall to -1°C and the daily average is 8°C. On average, daily temperatures fluctuate by about 11°C between overnight lows and afternoon highs. The sharpest temperature change occurs between January and February, with a 5°C shift in average temperatures.

Santa Cruz do Sul is a quite dry location, receiving approximately 87mm of precipitation annually, which averages out to around 7mm per month. The wettest month is January, averaging 33mm of rainfall. December and May also tend to see above-average precipitation. The driest month is March, with just 0mm. That's 33mm less than January, 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. Light snowfall can occur between December and December, totalling around 33cm annually. December is the snowiest month with approximately 33cm.

Santa Cruz do Sul 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 December, averaging 11km/h, though still comfortable for most outdoor activities. The calmest conditions occur in March, with average winds dropping to 1km/h, making it an ideal period for wind-sensitive activities. Wind speeds vary significantly across the year, with a 10km/h difference between the calmest and windiest months. This level of variation is worth factoring into travel plans. Wind tends to pick up during the summer months. The seasonal averages are 2km/h in winter, 3km/h in spring, 6km/h in summer, 2km/h in autumn.

It is currently winter in Santa Cruz do Sul, which began on June 21, 2026. Santa Cruz do Sul 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 23°C, while the coldest stretch bottoms out in July near -1°C. Spring is next, beginning on September 23, 2026 (16 days from now).

The table below shows monthly climate averages for Santa Cruz do Sul 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.