Climate Insights for Red Deer

The climate in Red Deer is cool. The average annual temperature is 4°C and approximately 631mm of precipitation falls per year. July is the wettest month, receiving around 169mm of rainfall. Red Deer is in the Northern Hemisphere. Summer begins at the end of June and lasts through September. The summer months are: June, August, July. The coldest months are December, January, February, when temperatures can drop to -16°C. Snowfall occurs from January to December, with around 117cm accumulating over the season.

Red Deer has a wide annual temperature range, spanning 38°C from the coldest to warmest months. June is the warmest month, though highs remain moderate at 22°C with a mean of 15°C. December brings the harshest conditions, with lows dropping to -16°C and an average temperature of -13°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 14°C shift in average temperatures.

Red Deer is a relatively dry area, receiving approximately 631mm of precipitation annually, which averages out to around 53mm per month. The wettest month is July, averaging 169mm of rainfall. August and May also tend to see above-average precipitation. The driest month is February, with just 15mm. That's 154mm less than July, 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 117cm accumulating over the season. March typically sees the most snow at around 23cm.

Red Deer is relatively calm, with an average annual wind speed of 3km/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 2km/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 Red Deer, which began on June 21, 2026. Red Deer 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 June at around 22°C, while the coldest stretch bottoms out in December near -16°C. Autumn is next, beginning on September 23, 2026 — 52 days from now.

The best time to visit Red Deer is during June, when the weather is most comfortable for travellers. During these months, average temperatures hover around 15°C with modest rainfall averaging 47mm per month. By contrast, December can be quite cold with temperatures dropping to -16°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 Red Deer 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.