Climate Overview
The climate in Santa Rosa de Tastil is cool. The average annual temperature is 8°C and approximately 1529mm of precipitation falls per year. January is the wettest month, receiving around 296mm of rainfall. Santa Rosa de Tastil 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: January, February, December. The coldest months are August, July, June, when temperatures can drop to -2°C. Light snow can occur between March and December.
Temperature
Santa Rosa de Tastil sees moderate temperature variation throughout the year, ranging from -2°C to 16°C. January is the warmest month, though highs remain moderate at 16°C with a mean of 11°C. The coldest month is August, when overnight lows fall to -2°C and the daily average is 5°C. On average, daily temperatures fluctuate by about 12°C between overnight lows and afternoon highs. The sharpest temperature change occurs between April and May, with a 2°C shift in average temperatures.
Precipitation
Santa Rosa de Tastil is a fairly wet location, receiving approximately 1529mm of precipitation annually, which averages out to around 127mm per month. The wettest month is January, averaging 296mm of rainfall. December and February also tend to see above-average precipitation. The driest month is July, with just 3mm. That's 293mm 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 March and December, totalling around 34cm annually. August is the snowiest month with approximately 6cm.
Wind
Santa Rosa de Tastil is relatively calm, with an average annual wind speed of 2km/h. For context, sustained winds below 12km/h are generally light, while anything above 25km/h is considered strong. The windiest month is June, averaging 2km/h, though still comfortable for most outdoor activities. The calmest conditions occur in February, with average winds dropping to 1km/h, making it an ideal period for wind-sensitive activities. There is moderate seasonal variation in wind speed, with a 1km/h gap between the calmest and windiest months.
Seasons
83 days until Spring
It is currently winter in Santa Rosa de Tastil, which began on June 21, 2026. Santa Rosa de Tastil 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 January at around 16°C, while the coldest stretch bottoms out in August near -2°C. Spring is next, beginning on September 23, 2026 — 83 days from now.
Spring
Temperatures range from 1 to 15°C. Rainfall is heavy, totalling around 355mm across the season with a monthly average of 118mm. Winds are generally light, averaging 2km/h. An umbrella or waterproof jacket is advisable as spring showers are frequent.
Summer
Temperatures range from 5 to 16°C. Rainfall is heavy, totalling around 817mm across the season with a monthly average of 272mm. Winds are generally light, averaging 1km/h. Comfortable clothing with a light layer for cooler evenings is all you need.
Autumn
Temperatures range from 1 to 15°C. Rainfall is heavy, totalling around 334mm across the season with a monthly average of 111mm. Expect around 9cm of snow accumulation during this period. Winds are generally light, averaging 1km/h. A waterproof jacket and sturdy footwear are recommended as rain becomes more frequent.
Winter
Temperatures range from -2 to 13°C. Precipitation is minimal, with only around 23mm for the entire season. Expect around 11cm of snow accumulation during this period. Winds are generally light, averaging 2km/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 Tastil 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.
