Climate Insights for Aldan

The climate in Aldan is cold. The average annual temperature is -6°C and approximately 699mm of precipitation falls per year. July is the wettest month, receiving around 107mm of rainfall. Aldan is in the Northern Hemisphere. Summer begins at the end of June and lasts through September. The summer months are: July, June, August. The coldest months are December, January, February, when temperatures can drop to -33°C. Aldan experiences heavy snowfall, typically from January through December.

Aldan has a wide annual temperature range, spanning 55°C from the coldest to warmest months. July is the warmest month, though highs remain moderate at 22°C with a mean of 17°C. December brings the harshest conditions, with lows dropping to -33°C and an average temperature of -29°C. On average, daily temperatures fluctuate by about 9°C between overnight lows and afternoon highs. The sharpest temperature change occurs between October and November, with a 15°C shift in average temperatures.

Aldan is a relatively dry area, receiving approximately 699mm of precipitation annually, which averages out to around 58mm per month. The wettest month is July, averaging 107mm of rainfall. September and August also tend to see above-average precipitation. The driest month is December, with just 26mm. That's 81mm less than July, the wettest month. Precipitation varies noticeably between seasons, with the second half (July to December) of the year generally seeing more rainfall. Aldan receives heavy snowfall, accumulating around 313cm annually from January through December. The snowiest month is October, with approximately 55cm. Winter travel should account for significant snow cover.

Aldan is relatively calm, with an average annual wind speed of 3km/h. For context, sustained winds below 12km/h are generally light, while anything above 25km/h is considered strong. The windiest month is May, averaging 3km/h, though still comfortable for most outdoor activities. The calmest conditions occur in June, with average winds dropping to 2km/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.

It is currently summer in Aldan, which began on June 21, 2026. Aldan is in the Northern Hemisphere, where spring begins in March, summer in June, autumn in September, and winter in December. The warmest period peaks in July at around 22°C, while the coldest stretch bottoms out in December near -33°C. Autumn is next, beginning on September 23, 2026 — 88 days from now.

The table below shows monthly climate averages for Aldan 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.