Climate Overview
The climate in Santa Rosa de Sacco is cool. The average annual temperature is 5°C and approximately 1569mm of precipitation falls per year. March is the wettest month, receiving around 242mm of rainfall. Santa Rosa de Sacco 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: November, December, February. The coldest months are July, August, June, when temperatures can drop to -2°C. Snowfall occurs from January to December, with around 115cm accumulating over the season.
Temperature
Santa Rosa de Sacco sees moderate temperature variation throughout the year, ranging from -2°C to 11°C. November is the warmest month, though highs remain moderate at 11°C with a mean of 6°C. The coldest month is July, when overnight lows fall to -2°C and the daily average is 3°C. On average, daily temperatures fluctuate by about 10°C between overnight lows and afternoon highs.
Precipitation
Santa Rosa de Sacco is a fairly wet location, receiving approximately 1569mm of precipitation annually, which averages out to around 131mm per month. The wettest month is March, averaging 242mm of rainfall. February and January also tend to see above-average precipitation. The driest month is July, with just 18mm. That's 225mm less than March, 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. Snowfall is a regular feature from January to December, with around 115cm accumulating over the season. February typically sees the most snow at around 22cm.
Wind
Santa Rosa de Sacco is relatively calm, with an average annual wind speed of 6km/h. For context, sustained winds below 12km/h are generally light, while anything above 25km/h is considered strong. The windiest month is July, averaging 7km/h, though still comfortable for most outdoor activities. The calmest conditions occur in March, with average winds dropping to 5km/h, making it an ideal period for wind-sensitive activities. Wind conditions are fairly consistent throughout the year, varying by only 2km/h between the calmest and windiest months.
Seasons
7 days until Spring
It is currently winter in Santa Rosa de Sacco, which began on June 21, 2026. Santa Rosa de Sacco 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 November at around 11°C, while the coldest stretch bottoms out in July near -2°C. Spring is next, beginning on September 23, 2026 (7 days from now).
Spring
Temperatures range from 0 to 11°C. Rainfall is heavy, totalling around 397mm across the season with a monthly average of 132mm. Winds are generally light, averaging 6km/h. An umbrella or waterproof jacket is advisable as spring showers are frequent.
Summer
Temperatures range from 2 to 11°C. Rainfall is heavy, totalling around 648mm across the season with a monthly average of 216mm. Winds are generally light, averaging 5km/h. Comfortable clothing with a light layer for cooler evenings is all you need.
Autumn
Temperatures range from 0 to 11°C. Rainfall is heavy, totalling around 436mm across the season with a monthly average of 145mm. Expect around 26cm of snow accumulation during this period. Winds are generally light, averaging 5km/h. A waterproof jacket and sturdy footwear are recommended as rain becomes more frequent.
Winter
Temperatures range from -2 to 10°C. Rainfall is relatively light, with around 88mm over the season and a monthly average of 29mm. Expect around 12cm of snow accumulation during this period. Winds are generally light, averaging 6km/h. Warm winter clothing and waterproof boots are a must, and travel may be affected by snow.
Monthly Climate Data
The table below shows monthly climate averages for Santa Rosa de Sacco 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.
