Climate Insights for Semey

The climate in Semey is cool. The average annual temperature is 5°C and approximately 339mm of precipitation falls per year. July is the wettest month, receiving around 37mm of rainfall. Semey 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 January, February, December, when temperatures can drop to -19°C. Snowfall occurs from January to December, with around 96cm accumulating over the season.

Semey has a wide annual temperature range, spanning 48°C from the coldest to warmest months. The warmest month is July, when average highs reach 29°C and the mean temperature sits around 23°C. January brings the harshest conditions, with lows dropping to -19°C and an average temperature of -14°C. On average, daily temperatures fluctuate by about 12°C between overnight lows and afternoon highs. The sharpest temperature change occurs between March and April, with a 12°C shift in average temperatures.

Semey is a quite dry location, receiving approximately 339mm of precipitation annually, which averages out to around 28mm per month. The wettest month is July, averaging 37mm of rainfall. November and August also tend to see above-average precipitation. The driest month is January, with just 22mm. Rainfall is relatively evenly distributed throughout the year, so there is no pronounced dry or wet season to plan around. Snowfall is a regular feature from January to December, with around 96cm accumulating over the season. December typically sees the most snow at around 22cm.

Semey 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 November, averaging 13km/h, though still comfortable for most outdoor activities. The calmest conditions occur in July, with average winds dropping to 11km/h, making it an ideal period for wind-sensitive activities. Wind conditions are fairly consistent throughout the year, varying by only 2km/h between the calmest and windiest months.

It is currently summer in Semey, which began on June 21, 2026. Semey 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 29°C, while the coldest stretch bottoms out in January near -19°C. Autumn is next, beginning on September 23, 2026 (7 days from now).

The best time to visit Semey is during May, June, July and August, when the weather is most comfortable for travellers. During these months, average temperatures hover around 20°C with modest rainfall averaging 31mm per month. By contrast, January can be quite cold with temperatures dropping to -19°C. A light rain jacket is recommended, though showers are generally brief and shouldn't disrupt your plans.

The table below shows monthly climate averages for Semey 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.