Climate Insights for Medicine Hat

The climate in Medicine Hat is cool. The average annual temperature is 7°C and approximately 529mm of precipitation falls per year. May is the wettest month, receiving around 104mm of rainfall. Medicine Hat 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 December, January, February, when temperatures can drop to -14°C. Snowfall occurs from January to December, with around 97cm accumulating over the season.

Medicine Hat has a wide annual temperature range, spanning 40°C from the coldest to warmest months. The warmest month is August, when average highs reach 26°C and the mean temperature sits around 17°C. The coldest month is December, when overnight lows fall to -14°C and the daily average is -11°C. On average, daily temperatures fluctuate by about 11°C between overnight lows and afternoon highs. The sharpest temperature change occurs between November and December, with a 15°C shift in average temperatures.

Medicine Hat is a relatively dry area, receiving approximately 529mm of precipitation annually, which averages out to around 44mm per month. The wettest month is May, averaging 104mm of rainfall. July and August also tend to see above-average precipitation. The driest month is November, with just 10mm. That's 94mm less than May, 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. Snowfall is a regular feature from January to December, with around 97cm accumulating over the season. October typically sees the most snow at around 22cm.

Medicine Hat 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 December, averaging 4km/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 1km/h gap between the calmest and windiest months.

It is currently summer in Medicine Hat, which began on June 21, 2026. Medicine Hat 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 26°C, while the coldest stretch bottoms out in December near -14°C. Autumn is next, beginning on September 23, 2026 — 52 days from now.

The best time to visit Medicine Hat 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 68mm per month. By contrast, December can be quite cold with temperatures dropping to -14°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 Medicine Hat 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.