Climate Overview
The climate in Altay is cool. The average annual temperature is 2°C and approximately 806mm of precipitation falls per year. Altay receives a notable amount of rainfall throughout the year, including during its driest month. Altay is in the Northern Hemisphere. Summer begins at the end of June and lasts through September. The summer months are: July, August, June. The coldest months are January, February, December, when temperatures can drop to -22°C. Altay experiences heavy snowfall, typically from January through December.
Temperature
Altay has a wide annual temperature range, spanning 47°C from the coldest to warmest months. July is the warmest month, though highs remain moderate at 25°C with a mean of 19°C. January brings the harshest conditions, with lows dropping to -22°C and an average temperature of -17°C. On average, daily temperatures fluctuate by about 12°C between overnight lows and afternoon highs. The sharpest temperature change occurs between October and November, with a 11°C shift in average temperatures.
Precipitation
Altay is a moderately rainy area, receiving approximately 806mm of precipitation annually, which averages out to around 67mm per month. The wettest month is July, averaging 101mm of rainfall. October and November also tend to see above-average precipitation. The driest month is February, with just 40mm. That's 61mm 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. Altay receives heavy snowfall, accumulating around 285cm annually from January through December. The snowiest month is November, with approximately 68cm. Winter travel should account for significant snow cover.
Wind
Altay is relatively calm, with an average annual wind speed of 1km/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 2km/h, though still comfortable for most outdoor activities. The calmest conditions occur in February, with average winds dropping to 1km/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.
Seasons
92 days until Autumn
It is currently summer in Altay, which began on June 21, 2026. Altay 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 25°C, while the coldest stretch bottoms out in January near -22°C. Autumn is next, beginning on September 23, 2026 — 92 days from now.
Spring
Temperatures range from -10 to 18°C. Precipitation is moderate at around 194mm for the season, averaging 65mm per month. Winds are generally light, averaging 1km/h. Light layers work well as temperatures warm through the season — a great time to be outdoors.
Summer
Temperatures range from 10 to 25°C. Precipitation is moderate at around 213mm for the season, averaging 71mm per month. Winds are generally light, averaging 1km/h. Comfortable clothing with a light layer for cooler evenings is all you need.
Autumn
Temperatures range from -14 to 18°C. Precipitation is moderate at around 261mm for the season, averaging 87mm per month. Expect around 112cm of snow accumulation during this period. Winds are generally light, averaging 1km/h. A waterproof jacket and sturdy footwear are recommended as rain becomes more frequent.
Winter
Temperatures range from -22 to -6°C. Rainfall is relatively light, with around 139mm over the season and a monthly average of 46mm. Expect around 138cm of snow accumulation during this period. Winds are generally light, averaging 1km/h. Heavy layering and insulated outerwear are essential — exposed skin should be minimised outdoors.
Best Time to Visit
The best time to visit Altay is during June and August, when the weather is most comfortable for travellers. During these months, average temperatures hover around 17°C with modest rainfall averaging 56mm per month. By contrast, July can be uncomfortably hot with highs reaching 25°C, while January is the coldest period with lows dropping to -22°C. A light rain jacket is recommended, though showers are generally brief and shouldn't disrupt your plans.
Monthly Climate Data
The table below shows monthly climate averages for Altay 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.