Climate Overview
The climate in Perito Moreno is cool. The average annual temperature is 9°C and approximately 272mm of precipitation falls per year. June is the wettest month, receiving around 37mm of rainfall. Perito Moreno 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: February, January, December. The coldest months are July, June, August, when temperatures can drop to -2°C. Snowfall occurs from April to September, with around 69cm accumulating over the season.
Temperature
Temperatures in Perito Moreno vary considerably across the year, with a 24°C difference between the coldest and warmest months. February is the warmest month, though highs remain moderate at 22°C with a mean of 16°C. The coldest month is July, when overnight lows fall to -2°C and the daily average is 1°C. On average, daily temperatures fluctuate by about 10°C between overnight lows and afternoon highs. The sharpest temperature change occurs between March and April, with a 5°C shift in average temperatures.
Precipitation
Perito Moreno is a quite dry location, receiving approximately 272mm of precipitation annually, which averages out to around 23mm per month. The wettest month is June, averaging 37mm of rainfall. August and April also tend to see above-average precipitation. The driest month is January, with just 11mm. That's 26mm less than June, the wettest month. Precipitation varies noticeably between seasons, with the first half (January to June) of the year generally seeing more rainfall. Snowfall is a regular feature from April to September, with around 69cm accumulating over the season. June typically sees the most snow at around 21cm.
Wind
Perito Moreno is relatively calm, with an average annual wind speed of 5km/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 7km/h, though still comfortable for most outdoor activities. The calmest conditions occur in July, with average winds dropping to 3km/h, making it an ideal period for wind-sensitive activities. There is moderate seasonal variation in wind speed, with a 4km/h gap between the calmest and windiest months. Wind tends to pick up during the summer months. The seasonal averages are 4km/h in winter, 5km/h in spring, 6km/h in summer, 4km/h in autumn.
Seasons
84 days until Spring
It is currently winter in Perito Moreno, which began on June 21, 2026. Perito Moreno 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 February at around 22°C, while the coldest stretch bottoms out in July near -2°C. Spring is next, beginning on September 23, 2026 — 84 days from now.
Spring
Temperatures range from 2 to 18°C. Rainfall is relatively light, with around 51mm over the season and a monthly average of 17mm. Winds are generally light, averaging 5km/h. Light layers work well as temperatures warm through the season — a great time to be outdoors.
Summer
Temperatures range from 9 to 22°C. Precipitation is minimal, with only around 40mm for the entire season. Winds are generally light, averaging 6km/h. Comfortable clothing with a light layer for cooler evenings is all you need.
Autumn
Temperatures range from 2 to 19°C. Rainfall is relatively light, with around 81mm over the season and a monthly average of 27mm. Expect around 10cm of snow accumulation during this period. Winds are generally light, averaging 4km/h. Layered clothing works best as temperatures gradually cool — enjoy the crisp air and changing scenery.
Winter
Temperatures range from -2 to 8°C. Rainfall is relatively light, with around 100mm over the season and a monthly average of 33mm. Expect around 52cm of snow accumulation during this period. Winds are generally light, averaging 4km/h. Warm winter clothing and waterproof boots are a must, and travel may be affected by snow.
Best Time to Visit
The best time to visit Perito Moreno is during January, February and December, when the weather is most comfortable for travellers. During these months, average temperatures hover around 16°C with modest rainfall averaging 13mm per month. By contrast, July can be quite cold with temperatures dropping to -2°C. With minimal rainfall expected, you can pack light and plan outdoor activities with confidence.
Monthly Climate Data
The table below shows monthly climate averages for Perito Moreno 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.