Climate Insights for Ishim

The climate in Ishim is cool. The average annual temperature is 2°C and approximately 509mm of precipitation falls per year. June is the wettest month, receiving around 76mm of rainfall. Ishim 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, December, February, when temperatures can drop to -21°C. Snowfall occurs from January to December, with around 154cm accumulating over the season.

Ishim has a wide annual temperature range, spanning 46°C from the coldest to warmest months. July is the warmest month, though highs remain moderate at 25°C with a mean of 20°C. January brings the harshest conditions, with lows dropping to -21°C and an average temperature of -17°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 10°C shift in average temperatures.

Ishim is a relatively dry area, receiving approximately 509mm of precipitation annually, which averages out to around 42mm per month. The wettest month is June, averaging 76mm of rainfall. July and August also tend to see above-average precipitation. The driest month is January, with just 19mm. That's 57mm less than June, the wettest month. Precipitation varies noticeably between seasons, with the second half (July to December) of the year generally seeing more rainfall. Snowfall is a regular feature from January to December, with around 154cm accumulating over the season. March typically sees the most snow at around 29cm.

Ishim is relatively calm, with an average annual wind speed of 4km/h. For context, sustained winds below 12km/h are generally light, while anything above 25km/h is considered strong. The windiest month is March, averaging 5km/h, though still comfortable for most outdoor activities. The calmest conditions occur in July, with average winds dropping to 3km/h, making it an ideal period for wind-sensitive activities. There is moderate seasonal variation in wind speed, with a 2km/h gap between the calmest and windiest months.

It is currently summer in Ishim, which began on June 21, 2026. Ishim 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 -21°C. Autumn is next, beginning on September 23, 2026 — 92 days from now.

The best time to visit Ishim is during June, July and August, when the weather is most comfortable for travellers. During these months, average temperatures hover around 18°C with modest rainfall averaging 66mm per month. By contrast, January can be quite cold with temperatures dropping to -21°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 Ishim 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.