Monthly weather forecast and climate
Calgary, Canada

The magnificent skyscrapers of the city of Calgary, Canada
The magnificent skyscrapers of the city of Calgary, Canada

Weather in January

January, like December, is a freezing cold winter month in Calgary, Canada, with average temperature ranging between max -3.9°C (25°F) and min -11.2°C (11.8°F). In Calgary, the average high-temperature is relatively the same as in December - a still subzero cold -3.9°C (25°F). Weather in January »

Weather in February

The last month of the winter, February, is another freezing cold month in Calgary, Canada, with average temperature varying between -3.9°C (25°F) and -11.3°C (11.7°F). In February, the average high-temperature remains equal as in January - a still freezing cold -3.9°C (25°F). Weather in February »

Weather in March

The first month of the spring, March, is a wintry month in Calgary, Canada, with temperature in the range of an average high of 1.8°C (35.2°F) and an average low of -6.6°C (20.1°F). In Calgary, the average high-temperature rises, from a subzero cold -3.9°C (25°F) in February, to a cold 1.8°C (35.2°F). Weather in March »

Weather in April

April in Calgary, Canada, is a chilly spring month, with average temperature ranging between min -0.7°C (30.7°F) and max 8.2°C (46.8°F). In April, the average high-temperature rises, from a cold 1.8°C (35.2°F) in March, to a chilly 8.2°C (46.8°F). Weather in April »

Weather in May

The last month of the spring, May, is a mild month in Calgary, Canada, with average temperature ranging between min 5°C (41°F) and max 15.4°C (59.7°F). In May, the average high-temperature rises, from a chilly 8.2°C (46.8°F) in April, to a mild 15.4°C (59.7°F). Weather in May »

Weather in June

June, the first month of the summer, in Calgary, is a comfortable month, with temperature in the range of an average low of 8°C (46.4°F) and an average high of 18.8°C (65.8°F). In June, the average high-temperature marginally rises, from a moderate 15.4°C (59.7°F) in May, to an enjoyable 18.8°C (65.8°F). Weather in June »

Weather in July

July is an agreeable summer month in Calgary, Canada, with average temperature ranging between min 10°C (50°F) and max 22.4°C (72.3°F). In July, the average high-temperature slightly increases, from a comfortable 18.8°C (65.8°F) in June, to an agreeable 22.4°C (72.3°F). Weather in July »

Weather in August

August, the last month of the summer, in Calgary, is also an agreeable month, with average temperature ranging between min 9.8°C (49.6°F) and max 22.9°C (73.2°F). August is the warmest month, with an average high-temperature of 22.9°C (73.2°F) and an average low-temperature of 9.8°C (49.6°F). Weather in August »

Weather in September

September, the first month of the autumn, in Calgary, is also an enjoyable month, with average temperature varying between 18°C (64.4°F) and 6.5°C (43.7°F). In Calgary, the average high-temperature slightly decreases, from a pleasant 22.9°C (73.2°F) in August, to a comfortable 18°C (64.4°F). Weather in September »

Weather in October

October, like September, is another chilly autumn month in Calgary, Canada, with average temperature varying between 0.4°C (32.7°F) and 9.5°C (49.1°F). In October, the average high-temperature plummets, from a comfortable 18°C (64.4°F) in September, to a frosty 9.5°C (49.1°F). Weather in October »

Weather in November

The last month of the autumn, November, is also a wintry month in Calgary, Canada, with temperature in the range of an average low of -6.4°C (20.5°F) and an average high of 1.1°C (34°F). In Calgary, the average high-temperature significantly decreases, from a frosty 9.5°C (49.1°F) in October, to a cold 1.1°C (34°F). Weather in November »

Weather in December

The first month of the winter, December, is still a freezing cold month in Calgary, Canada, with average temperature ranging between max -4.8°C (23.4°F) and min -11.5°C (11.3°F). With an average high-temperature of -4.8°C (23.4°F) and an average low-temperature of -11.5°C (11.3°F), December is the coldest month. Weather in December »
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FAQ

What are the most humid months in Calgary?

Months with the highest humidity in Calgary are January and February, with an average relative humidity of 82%.

How much does it rain in Calgary?

In Calgary, during the entire year, the rain falls for 94.1 days and collects up to 288mm (11.34") of precipitation.

What is the driest month in Calgary?

The month with the least rainfall is January when the rain falls for 3.7 days and typically collects 9mm (0.35") of precipitation.

When does it snow in Calgary?

January through June, September through December are months with snowfall in Calgary, Canada.

How many days does it snow in Calgary?

Throughout the year, in Calgary, Canada, there are 75.3 snowfall days, and 629mm (24.76") of snow is accumulated.

What is the month with the lowest UV index in Calgary?

The month with the lowest UV index is January, with an average maximum UV index of 1.

When does it snow the most in Calgary?

April is the month with the most snowfall in Calgary, Canada. Snow falls for 9.5 days and accumulates 102mm (4.02") of snow.

What is the wettest month in Calgary?

June is the month with the most rainfall in Calgary. Rain falls for 17 days and accumulates 65mm (2.56") of precipitation.

When are the longest days in Calgary?

The month with the longest days in Calgary is June, with an average of 16.5h of daylight.

When it does not snow in Calgary?

In Calgary snow does not fall in July and August.

What month has the most sunshine in Calgary?

With an average of 11h of sunshine, July has the most sunshine of the year in Calgary, Canada.

When is the highest UV index in Calgary?

July is the month with the highest UV index in Calgary, Canada, with an average maximum UV index of 5.

What is the warmest month in Calgary?

With an average high-temperature of 22.9°C (73.2°F) and an average low-temperature of 9.8°C (49.6°F), August is the warmest month.

What is the least humid month in Calgary?

With an average relative humidity of 59%, September is the least humid month in Calgary, Canada.

What is the coldest month in Calgary?

December is the coldest month in Calgary, with an average high-temperature of -4.8°C (23.4°F) and an average low-temperature of -11.5°C (11.3°F).

What is the month with the shortest days in Calgary?

With an average of 8h of daylight, December has the shortest days of the year.

What is the month with the least sunshine in Calgary?

With an average of 5.2h of sunshine, December has the least sunshine of the year.

Average temperature
Calgary, Canada

Average temperature - Calgary, Canada

The warmest month (with the highest average high temperature) is August (22.9°C).
The month with the lowest average high temperature is December (-4.8°C).

The month with the highest average low temperature is July (10°C).
The coldest month (with the lowest average low temperature) is December (-11.5°C).

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Average pressure
Calgary, Canada

Average pressure - Calgary, Canada

The month with the highest atmospheric pressure is February (1019.3mbar).
The month with the lowest atmospheric pressure is June (1010.8mbar).

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Average wind speed
Calgary, Canada

Average wind speed - Calgary, Canada

The windiest month (with the highest average wind speed) is January (13.1km/h).
The calmest month (with the lowest average wind speed) is August (10.3km/h).

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Average humidity
Calgary, Canada

Average humidity - Calgary, Canada

Months with the highest relative humidity are January and February (82%).
The month with the lowest relative humidity is September (59%).

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Average rainfall
Calgary, Canada

Average rainfall - Calgary, Canada

The wettest month (with the highest rainfall) is June (65mm).
The driest month (with the least rainfall) is January (9mm).

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Average rainfall days
Calgary, Canada

Average rainfall days - Calgary, Canada

The month with the highest number of rainy days is June (17 days).
The month with the least rainy days is November (2.5 days).

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Average snowfall days
Calgary, Canada

Average snowfall days - Calgary, Canada

The month with the highest number of snowfall days is February (12.9 days).
Months with the least snowfall days are July and August (0 days).

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Average daylight / Average sunshine
Calgary, Canada

Average daylight / Average sunshine - Calgary, Canada

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

The month with the most sunshine is July (Average sunshine: 11h).
The month with the least sunshine is December (Average sunshine: 5.2h).

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Average sunshine days
Calgary, Canada

Average sunshine days - Calgary, Canada

The month with the most sunshine days is October (22.1 days).
The month with the least sunshine days is June (10.7 days).

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Average visibility
Calgary, Canada

Average visibility - Calgary, Canada

Months with the highest visibility are June, August and September (10km).
Months with the lowest visibility are January, February, March, April, May, July, October, November and December (9km).

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