Calgary weather in October
Calgary in October averages 5°C (42°F) and 21 mm of rain.
Of the twelve months in Calgary, October is the sixth warmest and the sixth driest.

- Average temp
- 5°C (42°F)
-1–12°C · 30–53°F
- Rainfall
- 21 mm
Not much rain
- Sunshine
- —
What is Calgary like in October?
Daytime
Days are cool.
Rain
Rain is usually light.
Evening
Evenings are cooler. A layer helps after sunset.
What should I pack for Calgary in October?
A warm mid-layer
Nights drop to around -1°C (30°F).
October compared with September and November
October in Calgary is 6.6°C cooler than September and 12 mm drier than it, which averages 12°C (54°F).
October in Calgary is 7°C warmer than November and about as wet as it, which averages -2°C (29°F).
Daylight in Calgary in October
On 15 October the sun is up for 10 hours 41 minutes in Calgary, rising about 08:00 and setting about 18:42 local time.
October ends 1 hour 52 minutes shorter than it begins, so the last week of the month is a different length of day from the first.
That is 5 hours 51 minutes short of June, the longest-lit month here.
Where to stay in Calgary
Dates are a starting point for October.

Travel guides for Calgary
What to read before you book.

Calgary weather by month
TemperatureRainfall
How October compares with the rest of the year
October is highlighted. Every other month links to its own page.
| Month | Average | Rainfall |
|---|---|---|
| January | -6°C / 21°F | 9 mm |
| February | -6°C / 20°F | 13 mm |
| March | -2°C / 28°F | 19 mm |
| April | 4°C / 40°F | 28 mm |
| May | 10°C / 49°F | 58 mm |
| June | 14°C / 57°F | 106 mm |
| July | 18°C / 64°F | 44 mm |
| August | 16°C / 61°F | 47 mm |
| September | 12°C / 54°F | 33 mm |
| October | 5°C / 42°F | 21 mm |
| November | -2°C / 29°F | 17 mm |
| December | -6°C / 21°F | 17 mm |
Similar weather in October
Other destinations whose October averages sit close to this one.
Check another month
This is the month you are reading. Change either side to look at another.
FAQs about Calgary in October
October climate averages for Calgary, 1991–2020.
Calgary averages 5°C (42°F) in October, ranging from about -1°C (30°F) at night to 12°C (53°F) in the afternoon. That is a 1991–2020 average, so an individual week can run either side of it.
Barely. October sees only about 21 mm, so rain is unlikely to affect your plans.
Yes. October averages 5°C (42°F) against -2°C (29°F) in November — 7°C warmer.
October is 6.6°C cooler than September, and 12 mm drier.
Yes. October falls inside the most comfortable stretch of the year here, May to October, on temperature and rainfall together.
This page does not show today's weather. It is a 1991–2020 climate normal from Meteostat — a long-run average of what October is usually like, which is what you want when booking months ahead. For today or the coming week, check a live forecast.
About 10 hours 41 minutes of daylight in mid-October, against 16 hours 32 minutes in June and 7 hours 56 minutes in December.
On 15 October, sunrise is about 08:00 and sunset about 18:42 local time. Both shift across the month — the month ends 1 hour 52 minutes shorter than it starts.


