Calgary weather

Our guide to the weather in Calgary during January

-4

Average high

1

UV Index

21mm

Monthly rainfall

3

Sea temperature

We've looked at the most up-to-date weather data for Calgary, covering the last 12 years up to 2024, plus we've asked our team of travel bloggers for their first-hand experiences in order to answer the most frequently asked questions about Calgary weather in January.

How cold is it in Calgary during January?

It's extremely cold in Calgary during January. The temperature tops out at around -4℃ during the day, falling away to -11℃ at night. Yikes! The UV index will be low at this time of year, so not something to worry about. However, if you're going to be outside for long periods it's always a good idea to apply a small amount of sunscreen to exposed skin.

Does it snow in Calgary during January?

Yes, snow is pretty likely during January. There's also a good chance that there will be ice and snow on the ground, so pack appropriate footwear and clothing.

Is it windy in Calgary during January?

You're unlikely to experience any strong winds. Expect a gentle breeze that increases to moderate at times during January. With cold air temperatures at this time of year, any breeze will feel very cold.

Is it too cold to swim in the sea in Calgary during January?

The water around Calgary is a frigid 3℃ during January and is far too cold for for swimming. Those who frequently swim in cold open water might want to take a very quick plunge, but prolonged exposure could cause hypothermia. A thick winter wetsuits will allow longer exposure to the water, if you are very brave!

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Weather in Calgary

Our month-by-month guide to the weather and climate in Calgary

-4.2

Calgary weather in

January
-4.2

Calgary weather in

February
1.9

Calgary weather in

March
8.1

Calgary weather in

April
15.3

Calgary weather in

May
19.4

Calgary weather in

June
23.3

Calgary weather in

July
23.7

Calgary weather in

August
18.9

Calgary weather in

September
10.3

Calgary weather in

October
1.0

Calgary weather in

November
-5.3

Calgary weather in

December