Calgary Weather in October
October in Calgary brings low temperatures, with daytime highs of 12°C (54°F) and nights around -2°C (28°F). Expect around 29 mm (1.1 in) of snow/rainfall during the month.
Rainfall in Calgary in October
Past climate data indicates that roughly 5 days will see snow/rain, totalling around 29 mm (1.1 in) for the month. The odd shower may pass through, but it usually doesn't amount to much. A largely dry month overall.
Temperature in Calgary in October
In October, Calgary gets low temperatures, with highs of 12°C (54°F). Nights cool to around -2°C (28°F). The days stay cool from start to finish. Layering up well will make outdoor time much more comfortable. Nights drop below freezing to -2°C (28°F). An extra blanket is worth packing if you're unsure about the heating where you're staying.
Sunshine in Calgary in October
The area experiences a moderate amount of sunshine, with approximately 175 hours of sunlight expected. This means a decent mix of sun and overcast.If you prefer enjoying temperate temperatures and rain-free days, July and August typically offer the best circumstances. If you're seeking pleasant, dry and sunny weather somewhere else in the world, our weather planner can help you explore other options.
Check the conditions for any month of the year.
For a detailed overview over the year and the best time to visit Canada, check out our Calgary's climate page.
Calgary Temperature in October
Min Temperature
-2°C (28°F)
Max Temperature
12°C (54°F)
Chance of Rain
18%
Precipitation
29 mm (1.1 in)
Rainy days
5 days
Humidity
44%
Sunshine
175 hours
Percentage Sunshine
53%
Daily Historical Temperatures
50-year average (1976-2025)
Based on our historical records, temperatures in Calgary typically drop from around 14°C (57°F) at the start of October to approximately 7°C (45°F) by the end. Nights are very cold, with lows typically ranging from -4°C (25°F) to 3°C (37°F).
Average temperatures in October
Daily Historical Precipitation
50-year average (1976-2025)
Average daily rainfall for each day of the month based on long-term records.
Average precipitation in October
Historical weather for Calgary in October
Browse day-by-day weather records for Calgary spanning 51 years. Select any month and year to see actual temperatures, rainfall, and conditions recorded on each day.
Calgary historical weather extremes in October
The extremes listed below come from historical weather data collected in Calgary from 1976 through 2025.
- The warmest day in October was on October 6, 1980, with a maximum of 29°C (84°F).
Best Places in Canada in October
Find out more about the weather in Canada and which places have the best travel conditions in this month. See all of Canada in October →
perfect weather
pleasant
tolerable
unpleasant
poor
What to Wear in Calgary in October
Pack for changing conditions in Calgary in October. Bring a mix of short and long sleeves, a warm layer like a hoodie or light jacket, and comfortable pants. The key is being able to add or remove layers as the days goes by. Pack a light rain jacket or compact umbrella for occasional showers. It won't hurt to bring your sunglasses along, as you'll see some sunny periods.What To Do in Calgary in October
We rated the following activities from 1 (least suitable) to 10 (best) to do.
Check the conditions for any month of the year.
For a detailed overview over the year and the best time to visit Canada, check out our Calgary's climate page.
Temperature Rainfall Sunshine Humidity
See the full Calgary climate overview or explore weather in Canada.
