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When is the best time to visit Calgary?

The best time to visit Calgary is between May and October, the most comfortable stretch of the year on these averages.

Temperatures peak in July at around 18°C (64°F). June is the wettest month, with about 106 mm of rain. Calgary has a distinct rainy season from May to June, peaking in June at about 106 mm. The dry season runs from July to April.

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Calgary weather by month

TemperatureRainfall

Source: MeteostatPeriod: 1991-2020Checked: 2 Sept 2026376 places covered

Average temperature and rainfall, month by month

Every figure below is a 1991–2020 climate normal for Calgary, in °C and °F. Open a month for what to expect and what to pack.

Calgary weather by month: average temperature, rainfall for each month, from 1991–2020 climate normals
MonthAverageRainfall
January-6°C / 21°F9 mm
February-6°C / 20°F13 mm
March-2°C / 28°F19 mm
April4°C / 40°F28 mm
May10°C / 49°F58 mm
June14°C / 57°F106 mm
July18°C / 64°F44 mm
August16°C / 61°F47 mm
September12°C / 54°F33 mm
October5°C / 42°F21 mm
November-2°C / 29°F17 mm
December-6°C / 21°F17 mm

Where to stay in Calgary

Dates are a starting point for May.

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Travel guides for Calgary

What to read before you book.

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FAQs about Calgary weather

Climate averages for Calgary, 1991–2020.

The best time to visit Calgary is between May and October, the most comfortable stretch of the year on these averages.

July is the hottest month, with an average around 18°C.

June is the wettest month, with about 106 mm of rain.

Calgary has a distinct rainy season from May to June, peaking in June at about 106 mm. The dry season runs from July to April.

February is the coolest month, averaging -6°C (20°F) against 18°C (64°F) in July.

This page does not show today's weather. It is a 1991–2020 climate normal from Meteostat — a long-run average of what each month is usually like, which is what you want when booking ahead. For today or the coming week, check a live forecast.

No. These are 1991–2020 climate normals from Meteostat, not a live forecast. Actual weather in any given week can differ.