Calgary weather

Our guide to the weather in Calgary during June

19

Average high

5

UV Index

135mm

Monthly rainfall

14

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 June.

What's the temperature like in Calgary during June?

The temperature reaches around 19℃ during the daytime in June, falling away to 9℃ at night. The UV index will be moderate at this time of year, so not something to worry about for the average person. However, if you're going to be outside for long periods it's worth wearing a broad spectrum SPF 30+ sunscreen and UV-blocking sunglasses. Remember that bright surfaces, such as water and sand increase UV exposure.

Does it rain in Calgary during June?

June is typically the wettest month in Calgary. On average, there will be 11 rainy days during the month, amounting to 135.3mm in total. That's a significant amount of rain. For comparison, the wettest months in the UK typically sees between 80mm and 100mm, depending on where you are. There's a good chance that you'll catch a thunderstorm during your trip.

Is it windy in Calgary during June?

You're unlikely to experience any strong winds. Expect a light breeze that picks up slightly at times in June. With moderate humidity and mild air temperatures, the breeze will have a slight cooling effect.

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

The water around Calgary is a bracing 14℃ during June and would be considered too cold for swimming. Those who are a bit more hardy or frequently swim in cooler open water might want to take a quick dip. A wetsuit would be advisable if you wish to spend longer than 5 minutes in the water.

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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

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October
1.0

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November
-5.3

Calgary weather in

December