Calgary
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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.

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%

Calgary Weather by Month

Pick a month to see the average temperature, rainfall and sunshine in Calgary - and find the best time to visit.

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 records 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

Perfect weather is subjective. On this map perfect weather has been defined with temperatures between 20°C (68°F) and 29°C (84°F) and not too much precipitation (less than 90 mm (3.5 in) a month).

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.

  • Swimming
    5/10
  • Cycling
    6/10
  • Walking
    6/10
  • Camping
    2/10
  • Outdoor sports
    6/10

Calgary 3-Day Forecast

More climate data for Calgary

Popular in October

Where to go in October - average daytime high across popular destinations.

Bucket list

Need travel inspiration? Check out our bucket list articles and be inspired.