Kootenay National Park

Kootenay National Park Weather in April

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

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Radium Hot Springs Castle Junction

Thinking about venturing to Kootenay National Park, Canada this April 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 April

Kootenay National Park, Canada is a region in Canada. April in Kootenay National Park generally has cold temperatures, with moderate precipitation.

Temperatures

The average maximum temperatures are cold and range from 2°C (36°F) in Castle Junction to 6°C (43°F) in Radium Hot Springs. Nighttime temperatures generally drop to -4°C (25°F) in Radium Hot Springs and -8°C (18°F) in Castle Junction.

For specific regional insights in Kootenay National Park, Canada, refer to the map provided below.

Precipitation

April is a moderate rainy month with an average snow/rainfall of around 61 mm (2.4 in) in Radium Hot Springs.

Average sunshine

Sunshine levels are moderate in most locations. Radium Hot Springs typically sees 160 hours of sunlight, creating comfortable conditions that aren't too bright or too dim. Looking for something sunnier? Our weather planner helps you discover destinations with more reliable sunshine.

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)

January-5°C (23°F) February-3°C (27°F) March2°C (36°F) April6°C (43°F) May12°C (54°F) June17°C (63°F) This monthJuly22°C (72°F) August21°C (70°F) September16°C (61°F) October7°C (45°F) November-1°C (30°F) December-7°C (19°F)
Best Time to Visit Kootenay National Park →

Best Places to Visit in Kootenay National Park in April

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

Conditions Temperatures Precipitation
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 April for some of the most popular destinations in Kootenay National Park, Canada?

Temperature range in Kootenay National Park (April)

Precipitation variation in Kootenay National Park (April)

Radium Hot Springs

In April Radium Hot Springs generally has low temperatures with maximum daytime temperatures around 6°C (43°F), minimum nighttime temperatures around -4°C (25°F) and moderate monthly snow/rainfall. So on average the conditions are poor that month.

« March
April
May »
March
April
May
Max temperature
2°C (36°F)
6°C (43°F)
12°C (54°F)
Min temperature
-8°C (18°F)
-4°C (25°F)
0°C (32°F)
Monthly sun hours
128 hours
160 hours
203 hours
Monthly snow/rainfall
62 mm (2.4 in)
61 mm (2.4 in)
75 mm (3 in)
Monthly rainy days
7 days
8 days
11 days
Weather conditions
poor
poor
unpleasant
Climate in Radium Hot Springs →

Castle Junction

In April Castle Junction generally has low temperatures with maximum daytime temperatures around 2°C (36°F), minimum nighttime temperatures around -8°C (18°F) and moderate monthly snow/rainfall. So on average the conditions are poor that month.

« March
April
May »
March
April
May
Max temperature
-3°C (27°F)
2°C (36°F)
8°C (46°F)
Min temperature
-12°C (10°F)
-8°C (18°F)
-3°C (27°F)
Monthly sun hours
128 hours
160 hours
203 hours
Monthly snow/rainfall
55 mm (2.2 in)
65 mm (2.6 in)
80 mm (3.1 in)
Monthly rainy days
12 days
10 days
12 days
Weather conditions
poor
poor
poor
Climate in Castle Junction →

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

In our records: Canada April extremes

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

  • From our sources, the wettest April day in Canada brought 290 mm (11 in) in Niagara on the Lake on April 27, 1981.

Popular cities in April

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

City Weather Day temp Night temp Rainfall
Radium Hot Springs 6°C (43°F) -4°C (25°F) 61 mm (2.4 in)
Castle Junction 2°C (36°F) -8°C (18°F) 65 mm (2.6 in)

Kootenay National Park weather in April: frequently asked questions

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

April in Kootenay National Park, Canada brings poor weather. In Radium Hot Springs, daytime temperatures are typically around 6°C (43°F) and nighttime lows hover near -4°C (25°F).

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

Daytime temperatures in Radium Hot Springs peak at roughly 6°C (43°F) in April, dropping to about -4°C (25°F) overnight.

Does Kootenay National Park, Canada get a lot of snow/rain in April?

April is on the drier side in Kootenay National Park, Canada. Radium Hot Springs averages only about 61 mm (2.4 in), with most days staying dry.

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

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

Generally speaking, the best visiting conditions can be found in July and August offering mostly perfect weather in Radium Hot Springs. In contrast, January, February, March, April, October, November and December tend to have poor weather conditions.

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.

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