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Calgary in October: Weather, Average temperature and Climate

Planning a trip and want to know what the weather in Calgary in October will be like? Take a look at our weather guide for Calgary, based on historical data.
Check flight prices to Calgary on Avionero:
October

Weather in Calgary in October 2025

Good Weather
Mild
☁️
Cloudy
Planning a trip to Calgary in October? You are in luck! The weather is generally good, with an average maximum temperature of +54°F and approximately 4 sunny days. Just be prepared for some rain, as there are usually around 6 rainy days and 16 mm of precipitation. Expect good weather and pack accordingly to enjoy the outdoors. Search flights in one click on Avionero.

Average weather

☀️
+54°F
Avg. max. temperature
-15°F
Min.
+81°F
Max.
16 mm
Total precipitation
60%
Avg. humidity
3 m/s
Avg. wind
4 ☀️
Sunny Days
17 ⛅️
Cloudy
6 🌦
Rainy
Our opinion: Calgary has good weather in October.

Average temperature in Calgary in October

Here are the expected maximum, average and minimum temperatures in Calgary for October based on the historical data.
Last Year
Historical Data

Going from a maximum of +79°F during the day to a minimum of 0°F during the night, the temperature in October averages around +54°F.

The average maximum temperature goes down 7% by the end of the month, compared with the beginning of the month, from +54°F to +48°F.

Is Calgary warm or cold in October?

Calgary is typically mild in October.

Maximum temperatures go down compared to the previous month from +66°F to +54°F. The minimum temperature also goes down from +41°F to +32°F.

Pack a light jacket as it will be warm in the day and cool in the evenings.

Take a look at how October is compared to other months in Calgary:

Climate in Calgary in October

Calgary weather looks like this, on average, in October and the surrounding months.
SeptemberOctoberNovember
Avg. temperature
+66°F+54°F+37°F
Min. temperature
+16°F-15°F-29°F
Max. temperature
+93°F+81°F+73°F
Rainfall
44 mm16 mm3 mm
Wind
3 m/s3 m/s3 m/s
Humidity
60%60%64%
Air pressure
1014 HPa1012 HPa1011 HPa
Sunny days
543
Cloudy days
121718
Rainy days
1062
Snowy days
158

October weather is still as good as in September. It’s getting colder in October. From +66°F in the day, the average maximum temperature lowers to +54°F. As October arrives, the amount of rainfall goes down. On average, the rainfall volume decreases from 44 mm to 16 mm. Humidity levels don’t change as the month goes on, averaging around 60%. The average wind speed doesn’t change much during October, staying around 3 m/s. The days becoming less sunny, going from 5 sunny days in September to 4 in October.

November brings much the same weather, it remains good.

Wind

Wind speed in Calgary in October based on historical data.
Last Year
Historical Data

The average wind speed is 3 m/s getting up to 5 m/s which is a light breeze; barely moving the tree leaves.

The average wind speed in Calgary is gradually decreasing during October, going from 3 m/s to 2 m/s over the course of the month.

Rain

Amount of rainfall in mm during October in Calgary based on historical data.
Last Year
Historical Data
Typically, there is a 26% chance of rain on an average day in October, with total rainfall of approximately 40 mm. The maximum amount of rainfall per day is around 10 mm, which is considered light rain. On average, there are about 8 rainy days during October, so prepare to bring an umbrella.
Here’s how October is compared with other months in the amount of precipitation, total mm:
Calgary wettest month is June, where a typical day has a 53% chance of precipitation and 104 mm of rainfall per day. January, on the other hand, is the driest month with a mere 3% chance of precipitation and 1 mm of rainfall per day.

Snow

Amount of snow in mm during October in Calgary based on historical data.
Last Year
Historical Data
Typically, there is a 6% chance of snow on an average day in October, with a total monthly snowfall of approximately 14 mm.

Here’s how October is compared with other months in the amount of snow, total mm:

How was the weather last October in Calgary?

This is the weather in Calgary in October 2023:
1 October
🌫️
+54°F
2 October
☁️
+63°F
3 October
☀️
+60°F
4 October
🌧️
+59°F
5 October
☁️
+53°F
6 October
☀️
+70°F
7 October
☁️
+74°F
8 October
☀️
+79°F
9 October
☁️
+77°F
10 October
☁️
+75°F
11 October
🌧️
+65°F
12 October
🌧️
+49°F
13 October
🌫️
+49°F
14 October
🌫️
+55°F
15 October
☁️
+65°F
16 October
☁️
+62°F
17 October
☁️
+60°F
18 October
☁️
+68°F
19 October
☀️
+70°F
20 October
☁️
+67°F
21 October
☁️
+50°F
22 October
☁️
+47°F
23 October
🌫️
+39°F
24 October
🌨️
+25°F
25 October
☁️
+19°F
26 October
☁️
+22°F
27 October
🌨️
+26°F
28 October
☁️
+33°F
29 October
☀️
+37°F
30 October
☁️
+37°F
31 October
☁️
+47°F
In October 2023 Calgary had 5 sunny days, 17 cloudy days, and 3 rainy days. The average maximum temperature was +54°F, with an absolute maximum of +79°F and a minimum of +19°F. The average humidity was 73%, with a maximum of 100% and a minimum of 13%. The average wind speed was 3 m/s, with a maximum of 11 m/s and a minimum of 0 m/s.
Are you planning a trip in October?

Climate Change Over the Years

This is how Calgary climate has changed over the last 43 years.

The climate in Calgary in October has not changed that much over the last 43 years.

The average temperature was the lowest in 1996 (+47°F) and the highest in 2023 (+56°F). The driest year was 1979 with only 203 mm of rainfall, and the wettest year was 2019 with 702 mm.

FAQ

Frequently asked questions about the weather in Calgary in October:

Is October a good time to visit Calgary?

October is a really good time to go to Calgary. The weather is nice so plan your packing around outdoor activities and exploring. Check out other good time to visit Calgary.

Can you sunbathe in Calgary in October?

October has mild temperatures in Calgary. Not ideal for sunbathing, but still good for daytime outdoor activities, but plan for cool evenings. Pack a light jacket and shorts!

Is Calgary rainy in October?

Calgary is usually dry in October. Plan your packing around outdoor activities and exploring.

Is it sunny in Calgary in October?

Usually, it’s not very sunny in Calgary in October, often it’s pretty cloudy. Pack for any eventuality; layering can help reduce the number of bulky items needed.

Other cities in Canada

Check out the weather for other cities in Canada.

Monthly weather in Calgary

Source of the data

For this page, we’ve looked at the typical weather in Calgary, based on historical hourly weather data from January 1, 1979, to December 31, 2023.

For past dates, we show actual recorded data at the location at that time. Forecasts are based on recorded weather during that day of the year, averaged over the total years for which we have records (unless stated otherwise). The daily temperature is the highest recorded temperature in the shadow during that day.