Climate Insights for Stanley

The climate in Stanley is cool. The average annual temperature is 7°C and approximately 590mm of precipitation falls per year. Stanley receives a notable amount of rainfall throughout the year, including during its driest month. Stanley 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, March. The coldest months are July, August, September, when temperatures can drop to 3°C. Light snow can occur between June and October.

Stanley has relatively stable temperatures year-round, staying within a 9°C range. February is the warmest month, though highs remain moderate at 12°C with a mean of 11°C. July is the coolest month, with minimum temperatures around 3°C and an average of 4°C. Daily temperature variation is modest, with an average difference of 3°C between highs and lows.

Stanley is a relatively dry area, receiving approximately 590mm of precipitation annually, which averages out to around 49mm per month. The wettest month is December, averaging 63mm of rainfall. January and May also tend to see above-average precipitation. The driest month is September, with just 38mm. That's 24mm less than December, the wettest month. Rainfall is relatively evenly distributed throughout the year, so there is no pronounced dry or wet season to plan around. Light snowfall can occur between June and October, totalling around 22cm annually. August is the snowiest month with approximately 6cm.

Stanley is relatively calm, with an average annual wind speed of 8km/h. For context, sustained winds below 12km/h are generally light, while anything above 25km/h is considered strong. The windiest month is September, averaging 8km/h, though still comfortable for most outdoor activities. The calmest conditions occur in June, with average winds dropping to 7km/h, making it an ideal period for wind-sensitive activities. Wind conditions are fairly consistent throughout the year, varying by only 1km/h between the calmest and windiest months.

It is currently winter in Stanley, which began on June 21, 2026. Stanley 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 12°C, while the coldest stretch bottoms out in July near 3°C. Spring is next, beginning on September 23, 2026 — 93 days from now.

The table below shows monthly climate averages for Stanley 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.