Climate Insights for Junín

The climate in Junín is cold. The average annual temperature is -19°C and approximately 248mm of precipitation falls per year. August is the wettest month, receiving around 33mm of rainfall. Junín 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: May, April, June. The coldest months are September, August, December, when temperatures can drop to -40°C. Junín experiences heavy snowfall, typically from January through October.

Junín has a wide annual temperature range, spanning 37°C from the coldest to warmest months. May is the warmest month, though highs remain moderate at -3°C with a mean of -6°C. September brings the harshest conditions, with lows dropping to -40°C and an average temperature of -39°C. Daily temperature variation is modest, with an average difference of 4°C between highs and lows. The sharpest temperature change occurs between June and July, with a 14°C shift in average temperatures.

Junín is a quite dry location, receiving approximately 248mm of precipitation annually, which averages out to around 21mm per month. The wettest month is February, averaging 33mm of rainfall. March and April also tend to see above-average precipitation. The driest month is December, with just 0mm. That's 33mm less than February, 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. Junín receives heavy snowfall, accumulating around 248cm annually from January through October. The snowiest month is February, with approximately 33cm. Winter travel should account for significant snow cover.

Junín is relatively calm, with an average annual wind speed of 12km/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 18km/h, though still comfortable for most outdoor activities. The calmest conditions occur in November, 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 13km/h difference between the calmest and windiest months. This level of variation is worth factoring into travel plans. Wind tends to be stronger during winter months, driven by seasonal pressure systems. The seasonal averages break down to 14km/h in winter, 8km/h in spring, 12km/h in summer, 13km/h in autumn.

It is currently winter in Junín, which began on June 21, 2026. Junín 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 May at around -3°C, while the coldest stretch bottoms out in September near -40°C. Spring is next, beginning on September 23, 2026 — 16 days from now.

The table below shows monthly climate averages for Junín 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.