Climate Insights for Arroyito

The climate in Arroyito is cold. The average annual temperature is 1°C and approximately 382mm of precipitation falls per year. December is the wettest month, receiving around 33mm of rainfall. Arroyito 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: December, November, October. The coldest months are June, May, April, when temperatures can drop to -1°C. Arroyito experiences heavy snowfall, typically from January through November.

Arroyito has relatively stable temperatures year-round, staying within a 8°C range. December is the warmest month, though highs remain moderate at 7°C with a mean of 5°C. The coldest month is June, when overnight lows fall to -1°C and the daily average is -1°C. Daily temperature variation is modest, with an average difference of 2°C between highs and lows.

Arroyito is a quite dry location, receiving approximately 382mm of precipitation annually, which averages out to around 32mm 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 August, with just 26mm. Rainfall is relatively evenly distributed throughout the year, so there is no pronounced dry or wet season to plan around. Arroyito receives heavy snowfall, accumulating around 322cm annually from January through November. The snowiest month is January, with approximately 33cm. Winter travel should account for significant snow cover.

Arroyito 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 December, averaging 13km/h, though still comfortable for most outdoor activities. The calmest conditions occur in August, with average winds dropping to 5km/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. Wind tends to pick up during the summer months. The seasonal averages are 7km/h in winter, 10km/h in spring, 11km/h in summer, 11km/h in autumn.

It is currently winter in Arroyito, which began on June 21, 2026. Arroyito 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 December at around 7°C, while the coldest stretch bottoms out in June near -1°C. Spring is next, beginning on September 23, 2026 — 16 days from now.

The table below shows monthly climate averages for Arroyito 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.