Alert Weather in April
April in Alert brings very low temperatures, with highs of -18°C (0°F) and nights dropping to -25°C (-13°F). Rainfall is very low this month, averaging just 11 mm (0.4 in).
Rainfall in Alert in April
Typically around 7 days of snowfall are expected, averaging 11 mm (0.4 in) for the month. Rain this month is fairly typical, a standard mix of wet and dry days with no particularly heavy or persistent showers.
Temperature in Alert in April
Alert in April gets highs of -18°C (0°F) during the day and drops to -25°C (-13°F) at night. Even daytime conditions remain cold, making layers, a warm coat, and winter accessories a good idea. With lows of -25°C (-13°F), nights are freezing. Packing a spare blanket is worth considering if you're staying somewhere that might not be fully heated. The month brings very cold weather, so dressing warmly is essential. Prepare with multiple layers for added warmth.
Sunshine in Alert in April
The days are predominantly sunny, with an estimated total of around 323 hours of sunshine. Despite the cool temperatures, these sun-filled days are perfect for playing sports, visiting parks, or going for a bike ride.
Wind Speed in Alert in April
Average wind conditions reach 1 m/s (2 knots) in April. This creates generally peaceful weather with subtle air movement. Remember this is an average: some days are windless while others have noticeable or very gentle breezes.If you're looking for dry conditions and comfortable temperatures, April may not be the ideal month to visit Alert. Our weather planner can help you explore destinations with more pleasant weather conditions.
Check the conditions for any month of the year.
For a detailed overview over the year and the best time to visit Canada, check out our Alert's climate page.
Alert Temperature in April
Min Temperature
-25°C (-13°F)
Max Temperature
-18°C (0°F)
Chance of Rain
23%
Precipitation
11 mm (0.4 in)
Rainy days
7 days
Humidity
71%
Windspeed
1 m/s (2 knots)
Sunshine
323 hours
Percentage Sunshine
46%
Daily Historical Temperatures
48-year average (1976-2025)
Based on our historical records, temperatures in Alert typically rise from around -25°C (-13°F) at the start of April to approximately -15°C (5°F) by the end. Nights are very cold, with lows typically ranging from -31°C (-24°F) to -20°C (-4°F).
Average temperatures in April
Historical weather for Alert in April
Browse day-by-day weather records for Alert spanning 51 years. Select any month and year to see actual temperatures, rainfall, and conditions recorded on each day.
Alert historical weather extremes in April
Based on weather observations in Alert between 2001 and 2026, these are the recorded extremes during April.
- The warmest day in April was on April 29, 2024, with a maximum of 2°C (36°F).
- Nighttime temperatures dropped to -42°C (-44°F) on April 3, 2002, marking the coldest April night on record.
Best Places in Canada in April
Find out more about the weather in Canada and which places have the best travel conditions in this month. See all of Canada in April →
perfect weather
pleasant
tolerable
unpleasant
poor
What to Wear in Alert in April
We recommend you pack up your warm winter gear for Alert in April. If you have insulated boots, thermal layers, and a heavy winter coat that can handle snow and freezing temperatures it's smart to bring them. Don't forget gloves, a warm hat, and a scarf. Almost no rain is expected, so no need to bring rain gear. And with plenty of sunshine hours, don’t forget sunglasses, sunscreen, and maybe a sun hat.What To Do in Alert in April
We rated the following activities from 1 (least suitable) to 10 (best) to do.
Check the conditions for any month of the year.
For a detailed overview over the year and the best time to visit Canada, check out our Alert's climate page.
Temperature Rainfall Sunshine Humidity Wind Speed
See the full Alert climate overview or explore weather in Canada.
