Kootenay National Park

Kootenay National Park Weather in June

Average temperatures, rainfall, sunshine and the best places to visit in Kootenay National Park, Canada in June.

Thinking about venturing to Kootenay National Park, Canada this June and curious about the weather conditions to expect? This page holds all the key information you seek, responding to your question:

What to Expect in Kootenay National Park in June

Kootenay National Park, Canada is a region in Canada. June in Kootenay National Park generally has temperatures that range from cold to mild, with high precipitation. It's the height of summer.

Temperatures

The average maximum daytime temperatures vary from cold in Castle Junction at 12°C (54°F) to mild in Radium Hot Springs at 17°C (63°F). Nighttime temperatures generally drop to 4°C (39°F) in Radium Hot Springs and 0°C (32°F) in Castle Junction.

To explore the conditions in Kootenay National Park, Canada in more detail, check the map below.

Precipitation

June is a rainy month with an average rainfall of around 120 mm (4.7 in) in Radium Hot Springs. It experiences its highest rainfall in this month of the year. Come prepared by bringing an umbrella.

Average sunshine

Plenty of sunshine can be expected in numerous places in June. Radium Hot Springs typically receives 209 hours of sunlight, making it ideal for those seeking sunny weather.

Explore Kootenay National Park by month

Pick a month to see the average temperature, rainfall and sunshine in Kootenay National Park — and find the best time to visit. (based on Radium Hot Springs)

Best Places to Visit in Kootenay National Park in June

Click on a destination dot for more details. Toggle the map to compare temperatures or precipitation across Kootenay National Park.

perfect weather
pleasant
tolerable
unpleasant
poor

Perfect weather is subjective. On this map perfect weather has been defined with temperatures between 20°C (68°F) and 29°C (84°F) and not too much precipitation (less than 90 mm (3.5 in) a month).

Popular Destinations in Kootenay National Park

What is the weather like in June for some of the most popular destinations in Kootenay National Park, Canada?

Temperature range in Kootenay National Park (June)

Precipitation variation in Kootenay National Park (June)

Radium Hot Springs

In June Radium Hot Springs generally has moderate temperatures with maximum daytime temperatures around 17°C (63°F), minimum nighttime temperatures around 4°C (39°F) and high monthly rainfall. So on average the conditions are unpleasant that month.

May
June
July
Max temperature
12°C (54°F)
17°C (63°F)
22°C (72°F)
Min temperature
0°C (32°F)
4°C (39°F)
7°C (45°F)
Monthly sun hours
203 hours
209 hours
255 hours
Monthly rainfall
75 mm (3 in)
120 mm (4.7 in)
76 mm (3 in)
Monthly rainy days
11 days
12 days
11 days
Weather conditions

Castle Junction

In June Castle Junction generally has low temperatures with maximum daytime temperatures around 12°C (54°F), minimum nighttime temperatures around 0°C (32°F) and high monthly rainfall. So on average the conditions are poor that month.

May
June
July
Max temperature
8°C (46°F)
12°C (54°F)
17°C (63°F)
Min temperature
-3°C (27°F)
0°C (32°F)
4°C (39°F)
Monthly sun hours
203 hours
209 hours
255 hours
Monthly rainfall
80 mm (3.1 in)
120 mm (4.7 in)
91 mm (3.6 in)
Monthly rainy days
12 days
14 days
13 days
Weather conditions

Is your destination not in the list? Have a look at all destinations in Kootenay National Park, in Canada.

In our records: Canada June extremes

Notable June records observed across cities in Canada in our climate database (1976 – 2026). Historic readings can vary in quality, so treat these as illustrative.

  • In our records, the warmest June day in Canada reached 46°C (115°F) in Kamloops on June 30, 2021.

Popular cities in June

Day & night temperatures, rainfall and average weather in Kootenay National Park in June.

City Weather Day temp Night temp Rainfall
Radium Hot Springs 17°C (63°F) 4°C (39°F) 120 mm (4.7 in)
Castle Junction 12°C (54°F) 0°C (32°F) 120 mm (4.7 in)

Kootenay National Park weather in June: frequently asked questions

What is the weather like in Kootenay National Park, Canada in June?

In June, Kootenay National Park, Canada generally has unpleasant weather conditions. Radium Hot Springs sees daytime temperatures near 17°C (63°F), with nights cooling to roughly 4°C (39°F).

What is the average temperature in Kootenay National Park, Canada in June?

In Radium Hot Springs, the average daytime high in June is 17°C (63°F), while nighttime temperatures drop to around 4°C (39°F).

Does Kootenay National Park, Canada get a lot of rain in June?

Yes, June tends to be a wetter month in Kootenay National Park, Canada. Average rainfall in Radium Hot Springs sits around 120 mm (4.7 in).

Is June a Good Time to Visit Kootenay National Park, Canada?

Given the typically unpleasant weather conditions in Radium Hot Springs, June may not be the ideal time to visit Kootenay National Park, Canada.

Generally speaking, July and August provide perfect weather in Radium Hot Springs. On the other hand, the weather in January, February, March, April, October, November and December tend to be poor.

Interested in more climate information?

We have much more information about the climate in Kootenay National Park.

Weather and climate has detailed information for every country in the world. Are you going to Canada? Get detailed historical weather averages for many cities in Canada.

Not sure yet where to go? We now have a tool which recommends destinations that suit your ideal travel conditions. Find out where to go with our weather planner.

Bucket list

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