Calgary
Canada
Long-term weather forecast
Long-term weather forecast

October weather forecast and climate
Calgary, Canada

A view of the magnificent skyscrapers of the city of Calgary, Canada, on a mildly sunny day
A view of the magnificent skyscrapers of the city of Calgary, Canada, on a mildly sunny day
October, the same as September, is another fresh autumn month in Calgary, Canada, with average temperature fluctuating between -1.4°C (29.5°F) and 11.7°C (53.1°F).

Temperature

In October, the average high-temperature drops, from a comfortable 17.8°C (64°F) in September, to a cool 11.7°C (53.1°F). In October, the average low-temperature is -1.4°C (29.5°F).

Humidity

The average relative humidity in October is 44.3%.

Rainfall

In Calgary, during October, the rain falls for 4.2 days and regularly aggregates up to 7.5mm (0.3") of precipitation. Throughout the year, there are 68 rainfall days, and 326.7mm (12.9") of precipitation is accumulated.

Snowfall

Months with snowfall are January through June, September through December. In Calgary, in October, snow falls for 4.1 days, with typically accumulated 100mm (3.9") of snow. Throughout the year, in Calgary, there are 54.3 snowfall days, and 1288mm (50.7") of snow is accumulated.

Daylight

In October, the average length of the day is 10.7h.

Sunshine

In October, the average sunshine in Calgary is 5.7h.

UV index

In Calgary, the average daily maximum UV index is 2. A UV Index of 2, and less, symbolizes a minimal health vulnerability from unprotected exposure to the Sun's UV rays for the ordinary person.
Note: The average daily UV index of 2 in October transform into the following instructions:
Most people can stay in the Sun for up to 1 hour without burning, apart from children that always must be protected from sun exposure. The solar radiation is most powerful near the mid-day, so the exposure to the direct Sun should be reduced accordingly. On bright days sunglasses that block both UVA and UVB rays should be worn. A hat with a wide brim is extremely helpful, as it can prevent roughly 50% of UV radiation from reaching the eyes. Caution! The reflection of snow can nearly double the intensity of the Sun's UV radiation.

What is the temperature in October in Calgary?

In October, in Calgary, the average high-temperature is 11.7°C (53.1°F), and the average low-temperature is -1.4°C (29.5°F).

What is the average humidity in October in Calgary?

In Calgary, the average relative humidity in October is 44.3%.

How much does it rain in Calgary in October?

In Calgary, during October, the rain falls for 4.2 days and regularly aggregates up to 7.5mm (0.3") of precipitation.

How many days does it snow in October in Calgary?

In October, in Calgary, it is snowing for 4.1 days. Throughout October, 100mm (3.9") of snow is accumulated.

What is the average length of the day in October in Calgary?

The average length of the day in October is 10.7h.

How long on average sun shines in October in Calgary?

The average sunshine in October is 5.7h.

What is the UV index intensity in October in Calgary?

In October, the average daily maximum UV index is 2. A UV Index of 2, and less, symbolizes a minimal hazard to health from the exposure to the Sun's UV rays.
Average temperature in October - Calgary, Canada
  • Average high temperature in October: 11.7°C

The warmest month (with the highest average high temperature) is July (23.2°C).
The month with the lowest average high temperature is January (-0.9°C).

  • Average low temperature in October: -1.4°C

The month with the highest average low temperature is July (9.8°C).
The coldest month (with the lowest average low temperature) is January (-13.2°C).

Average humidity in October - Calgary, Canada
  • Average humidity in October: 44.3%

The month with the highest relative humidity is December (55.3%).
The month with the lowest relative humidity is April (40.7%).

Average rainfall in October - Calgary, Canada
  • Average rainfall in October: 7.5mm

The wettest month (with the highest rainfall) is June (93.9mm).
Driest months (with the lowest rainfall) are January and February (0.1mm).

Average rainfall days in October - Calgary, Canada
  • Average rainfall days in October: 4.2 days

The month with the highest number of rainy days is June (13.8 days).
The month with the lowest number of rainy days is February (0.2 days).

Average snowfall in October - Calgary, Canada
  • Average snowfall in October: 100mm

The month with the highest snowfall is March (227mm).
Months with the lowest snowfall are July and August (0mm).

Average snowfall days in October - Calgary, Canada
  • Average snowfall days in October: 4.1 days

The month with the highest number of snowfall days is March (9.5 days).
The month with the lowest number of snowfall days is July (0 days).

Average daylight in October / Average sunshine in October - Calgary, Canada
  • Average daylight in October: 10.7h

The month with the longest days is June (Average daylight: 16.5h).
The month with shortest days is December (Average daylight: 8h).

  • Average sunshine in October: 5.7h

The month with most sunshine is July (Average sunshine: 10.1h).
The month with least sunshine is December (Average sunshine: 3.7h).

Average UV index in October - Calgary, Canada
  • Average UV index in October: 2

Months with the highest UV index are June and July (UV index 7).
The month with the lowest UV index is December (UV index 0).