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Sarnia Weather in April
Sarnia in April sees low daytime temperatures of 12°C (54°F) and nighttime lows of 3°C (37°F). Rainfall is fairly high this month at around 95 mm (3.7 in), so pack a rain jacket to stay dry.
Rainfall in Sarnia in April
Past climate data indicates that roughly 11 days will see rain, totalling around 95 mm (3.7 in) for the month. The rain this month tends to fall in heavier spells rather than light drizzle. When it rains, showers can be significant.
Temperature in Sarnia in April
April in Sarnia sees highs of 12°C (54°F) and lows of 3°C (37°F) overnight. The days stay cool from start to finish. Layering up well will make outdoor time much more comfortable. With lows around 3°C (37°F), nights are cold. The upside is that cool, crisp nights are often the best for a deep sleep.If you prefer dry days with pleasant temperatures, June, July, August and September typically offer the best circumstances. If you're seeking pleasant, dry and sunny weather somewhere else in the world, our weather planner can help you explore other options.
Sarnia Temperature in April
Min Temperature
3°C (37°F)
Max Temperature
12°C (54°F)
Chance of Rain
38%
Precipitation
95 mm (3.7 in)
Rainy days
11 days
Sarnia Weather by Month
Pick a month to see the average temperature, rainfall and sunshine in Sarnia - and find the best time to visit.
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
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).
What to Wear in Sarnia in April
Pack for changing conditions in Sarnia in April. Bring a mix of short and long sleeves, a warm layer like a hoodie or light jacket, and comfortable pants. The key is being able to add or remove layers as the days goes by. Prepare for significant rainfall with proper waterproof clothing and shoes.
What To Do in Sarnia in April
We rated the following activities from 1 (least suitable) to 10 (best) to do.
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Cycling6/10 -
Walking6/10 -
Barbeque3/10 -
Camping4/10 -
Outdoor sports6/10
Sarnia 3-Day Forecast
More climate data for Sarnia
See the full Sarnia climate overview or explore weather in Canada.
Popular in April
Where to go in April - average daytime high across popular destinations.
Niagara Falls
13°C (55°F) Ottawa
12°C (54°F) Vancouver
12°C (54°F) Montréal12°C (54°F) Calgary12°C (54°F) Toronto10°C (50°F) Quebec City
9°C (48°F) Whistler6°C (43°F) Bucket list
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