Calgary Weather in October
Canada · Humid Continental climate · Data averaged from 2020-01-01 to 2024-12-31 (5 years)
October in Calgary sees average temperatures ranging from a low of 0.2°C (32.4°F) to a high of 11.4°C (52.5°F), with a mean of 5.3°C (41.5°F). Compared to the annual average of 4.6°C (40.3°F), this month is 0.7°C warmer than the yearly norm. Precipitation averages 33.7mm, making it approximately 7.0mm drier than the monthly average of 41.0mm. The city receives an average of 7.5 hours of sunshine per day during October, with relative humidity averaging 64.5%. Wind speeds reach an average maximum of 17.5 km/h. Snowfall averages 11.0cm during October, which can affect travel plans and outdoor activities. For travelers, this month offers a temperature experience in Calgary, with drier-than-average conditions compared to the rest of the year.
Calgary's high altitude and continental position create a climate with wide temperature ranges. I've studied the Chinook winds that provide dramatic winter warming, sometimes raising temperatures by 20°C in hours. The best time for visiting is June to August, when the weather is warmest and the nearby Rocky Mountains are accessible for hiking.
October vs Adjacent Months
| Metric | September | October | November |
|---|---|---|---|
| Mean Temp | 13.3°C (55.9°F) | 5.3°C (41.5°F) | -2.6°C (27.3°F) |
| Rainfall | 29.0mm | 33.7mm | 24.2mm |
| Sunshine | 10.3 hrs | 7.5 hrs | 5.5 hrs |
| Humidity | 60.0% | 64.5% | 67.8% |
| Wind | 17.4 km/h | 17.5 km/h | 18.8 km/h |
| Rainy Days | 9.0 | 8.0 | 1.8 |
| Snowfall | 0.0 cm | 11.0 cm | 15.7 cm |
Seasonal Context
October falls in Autumn in the Northern Hemisphere. Autumn sees temperatures gradually cooling from summer highs. For travelers visiting Calgary in October, the data indicates mixed conditions based on the combination of temperature, precipitation, and daylight hours.
Frequently Asked Questions
What is the average temperature in Calgary in October?
The average temperature in Calgary during October ranges from 0.2°C (32.4°F) to 11.4°C (52.5°F), with a mean of 5.3°C (41.5°F).
How much does it rain in Calgary in October?
Calgary receives an average of 33.7mm of precipitation in October, spread across approximately 8.0 rainy days.
What should I pack for Calgary in October?
Based on October weather data, pack warm layers, a medium jacket, and waterproof outerwear.
Is October a good time to visit Calgary?
October is a cooler month, suitable for travelers who prefer mild weather and fewer crowds. Pack warm layers and enjoy indoor attractions.
Other Months for Calgary
Cities with Similar October Climate (Humid Continental)
Data Source: Open-Meteo historical archive (2020-01-01 to 2024-12-31). Daily measurements aggregated into monthly climate normals. Coordinates: 51.05°, -114.07°. Timezone: America/Edmonton. Last updated: 2026-07-30.