Climate Overview
The climate in Mirny is temperate. The average annual temperature is 14°C and approximately 380mm of precipitation falls per year. November is the wettest month, receiving around 51mm of rainfall. Mirny is in the Northern Hemisphere. Summer begins at the end of June and lasts through September. The summer months are: August, July, June. The coldest months are January, February, March, when temperatures can drop to 2°C. Light snow can occur between January and December.
Temperature
Temperatures in Mirny vary considerably across the year, with a 27°C difference between the coldest and warmest months. The warmest month is August, when average highs reach 29°C and the mean temperature sits around 26°C. January is the coolest month, with minimum temperatures around 2°C and an average of 4°C. Daily temperature variation is modest, with an average difference of 5°C between highs and lows. The sharpest temperature change occurs between September and October, with a 6°C shift in average temperatures.
Precipitation
Mirny is a quite dry location, receiving approximately 380mm of precipitation annually, which averages out to around 32mm per month. The wettest month is November, averaging 51mm of rainfall. January and December also tend to see above-average precipitation. The driest month is August, with just 10mm. That's 42mm less than November, 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. Light snowfall can occur between January and December, totalling around 14cm annually. January is the snowiest month with approximately 6cm.
Wind
Mirny is moderately windy, with an average annual wind speed of 25km/h. For context, sustained winds below 12km/h are generally light, while anything above 25km/h is considered strong. The windiest month is February, averaging 29km/h, noticeable enough to affect lighter outdoor activities. The calmest conditions occur in June, with average winds dropping to 21km/h, making it an ideal period for wind-sensitive activities. Wind conditions are fairly consistent throughout the year, varying by only 8km/h between the calmest and windiest months. Wind tends to be stronger during winter months, driven by seasonal pressure systems. The seasonal averages break down to 28km/h in winter, 24km/h in spring, 22km/h in summer, 25km/h in autumn.
Seasons
88 days until Summer
It is currently spring in Mirny, which began on March 20, 2026. Mirny 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 August at around 29°C, while the coldest stretch bottoms out in January near 2°C. Summer is next, beginning on June 21, 2026 — 88 days from now.
Spring
Temperatures range from 5 to 19°C. Rainfall is relatively light, with around 88mm over the season and a monthly average of 29mm. Winds are moderate at around 24km/h. Light layers work well as temperatures warm through the season — a great time to be outdoors.
Summer
Temperatures range from 19 to 29°C. Rainfall is relatively light, with around 68mm over the season and a monthly average of 23mm. Winds are moderate at around 22km/h. Light, breathable clothing is ideal — perfect conditions for outdoor activities.
Autumn
Temperatures range from 7 to 24°C. Rainfall is relatively light, with around 104mm over the season and a monthly average of 35mm. Winds are strong, averaging 25km/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 120mm over the season and a monthly average of 40mm. Expect around 11cm of snow accumulation during this period. Winds are strong, averaging 28km/h. A light jacket or sweater is usually sufficient, though cooler evenings may call for an extra layer.
Best Time to Visit
The best time to visit Mirny is during May, June, July and September, when the weather is most comfortable for travellers. During these months, average temperatures hover around 21°C with modest rainfall averaging 25mm per month. By contrast, August can be uncomfortably hot with highs reaching 29°C, while January is the coldest period with lows 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 Mirny 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.