Alberta climate

World Climates covers 4 places in Alberta. By annual mean temperature, the warmest is Lethbridge (7 °C44 °F) and the coolest is Edmonton (4 °C39 °F). The wettest is Calgary with 546 mm21 in of precipitation per year, the driest Lethbridge with 492 mm19 in.

The most common climate types (Köppen classification computed from these averages) are warm-summer humid continental (Dfb, 4 places).

The highest monthly average high is in Lethbridge (28 °C82 °F in July); the lowest monthly average low is in Edmonton (−14 °C7 °F in January).

Across the places in Alberta, the months that most often rank as the most comfortable are July, August and September (4, 4 and 2 of 4 places respectively).

Frequently asked questions

Which is the warmest place in Alberta?

By annual mean temperature, the warmest place in Alberta is Lethbridge at 7 °C44 °F. The coolest is Edmonton at 4 °C39 °F.

Where does it rain the most in Alberta?

Calgary gets the most precipitation, 546 mm21 in in an average year. The driest place is Lethbridge with 492 mm19 in.

How many places in Alberta does this site cover?

World Climates has climate data for 4 places in Alberta. Each one has a page with monthly averages for temperature, rainfall, humidity and daylight.

When is the best time to visit Alberta?

It depends on the place. Across Alberta, the months that most often rank as the most comfortable are July, August and September. Check the page of each city for its own best months.