Toronto

Ontario Weather in April

Average temperatures, rainfall, sunshine and the best places to visit in Ontario, Canada in April.

Considering a trip to Ontario, Canada this April and wondering about the expected weather conditions? Find all the crucial information you need right here, addressing your question:

What to Expect in Ontario in April

Ontario, Canada is a region in Canada. Ontario, Canada has a wide variety of climate types. During April, you can expect temperatures that range from cold to mild and precipitation levels ranging from moderate to high.

Temperatures

The average maximum daytime temperatures vary from cold in Schreiber at 4°C (39°F) to mild in Windsor at 14°C (57°F). Nighttime temperatures generally drop to 3°C (37°F) in Windsor and -3°C (27°F) in Schreiber.

To explore the conditions in Ontario, Canada in more detail, check the map below.

Precipitation

In April, precipitation varies across different areas. From moderate snow/rainfall in Red Lake with an average of 42 mm (1.7 in) to high snow/rainfall in Port Colborne with 109 mm (4.3 in). Based on our climate, it is the month with the most precipitation throughout the year in Toronto.

Average sunshine

Most places get a reasonable amount of sunshine. Take Toronto as an example - it receives around 180 hours of sunlight, offering a nice mix of sunny and partly cloudy days. Want to compare this with brighter destinations? Try our weather planner to explore your options.

Explore Ontario by month

Pick a month to see the average temperature, rainfall and sunshine in Ontario - and find the best time to visit. (based on Toronto)

Best Places to Visit in Ontario in April

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

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 Ontario

What is the weather like in April for some of the most popular destinations in Ontario, Canada?

Temperature range in Ontario (April)

Precipitation variation in Ontario (April)

Toronto

In April Toronto generally has low temperatures with maximum daytime temperatures around 10°C (50°F), minimum nighttime temperatures around 2°C (36°F) and moderate monthly rainfall. So on average the conditions are less favorable that month.

March
April
May
Max temperature
5°C (41°F)
10°C (50°F)
16°C (61°F)
Min temperature
-3°C (27°F)
2°C (36°F)
8°C (46°F)
Monthly sun hours
161 hours
180 hours
227 hours
Monthly rainfall
70 mm (2.8 in)
95 mm (3.7 in)
80 mm (3.1 in)
Monthly rainy days
10 days
11 days
11 days
Weather conditions

Ottawa

In April Ottawa generally has moderate temperatures with maximum daytime temperatures around 12°C (54°F), minimum nighttime temperatures around 1°C (34°F) and moderate monthly rainfall. So on average the conditions are mixed that month.

March
April
May
Max temperature
4°C (39°F)
12°C (54°F)
20°C (68°F)
Min temperature
-7°C (19°F)
1°C (34°F)
7°C (45°F)
Monthly sun hours
168 hours
188 hours
231 hours
Monthly rainfall
76 mm (3 in)
98 mm (3.9 in)
93 mm (3.7 in)
Monthly rainy days
11 days
11 days
12 days
Weather conditions

Niagara Falls

In April Niagara Falls generally has moderate temperatures with maximum daytime temperatures around 13°C (55°F), minimum nighttime temperatures around 2°C (36°F) and moderate monthly rainfall. So on average the conditions are mixed that month.

March
April
May
Max temperature
6°C (43°F)
13°C (55°F)
21°C (70°F)
Min temperature
-3°C (27°F)
2°C (36°F)
9°C (48°F)
Monthly sun hours
165 hours
206 hours
259 hours
Monthly rainfall
59 mm (2.3 in)
80 mm (3.1 in)
67 mm (2.6 in)
Monthly rainy days
11 days
13 days
13 days
Weather conditions

Mississauga

In April Mississauga generally has low temperatures with maximum daytime temperatures around 11°C (52°F), minimum nighttime temperatures around 2°C (36°F) and moderate monthly rainfall. So on average the conditions are mixed that month.

March
April
May
Max temperature
6°C (43°F)
11°C (52°F)
18°C (64°F)
Min temperature
-4°C (25°F)
2°C (36°F)
8°C (46°F)
Monthly sun hours
161 hours
205 hours
230 hours
Monthly rainfall
68 mm (2.7 in)
93 mm (3.7 in)
82 mm (3.2 in)
Monthly rainy days
10 days
11 days
11 days
Weather conditions

Niagara on the Lake

In April Niagara on the Lake generally has low temperatures with maximum daytime temperatures around 10°C (50°F), minimum nighttime temperatures around 1°C (34°F) and moderate monthly rainfall. So on average the conditions are less favorable that month.

March
April
May
Max temperature
5°C (41°F)
10°C (50°F)
15°C (59°F)
Min temperature
-3°C (27°F)
1°C (34°F)
6°C (43°F)
Monthly sun hours
165 hours
206 hours
259 hours
Monthly rainfall
45 mm (1.8 in)
59 mm (2.3 in)
47 mm (1.9 in)
Monthly rainy days
8 days
10 days
9 days
Weather conditions

Is your destination not in the list? Have a look at all destinations in Ontario, 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 Ontario in April.

City Weather Day temp Night temp Rainfall
Toronto 10°C (50°F) 2°C (36°F) 95 mm (3.7 in)
Ottawa 12°C (54°F) 1°C (34°F) 98 mm (3.9 in)
Niagara Falls 13°C (55°F) 2°C (36°F) 80 mm (3.1 in)
Mississauga 11°C (52°F) 2°C (36°F) 93 mm (3.7 in)
Niagara on the Lake 10°C (50°F) 1°C (34°F) 59 mm (2.3 in)
Kingston 10°C (50°F) 3°C (37°F) 109 mm (4.3 in)

Ontario weather in April: frequently asked questions

What is the weather like in Ontario, Canada in April?

April in Ontario, Canada brings less favorable weather. In Toronto, daytime temperatures are typically around 10°C (50°F) and nighttime lows hover near 2°C (36°F).

What is the average temperature in Ontario, Canada in April?

Daytime temperatures in Toronto peak at roughly 10°C (50°F) in April, dropping to about 2°C (36°F) overnight.

Does Ontario, Canada get a lot of rain in April?

April is on the drier side in Ontario, Canada. Toronto averages only about 95 mm (3.7 in), with most days staying dry.

Is April a Good Time to Visit Ontario, Canada?

In our view, April might not be the best time to travel to Ontario, Canada with often less favorable weather in Toronto.

Generally speaking, June, July, August and September provide excellent weather in Toronto. On the other hand, the months of January, February, March, April, November and December tend to have less favorable weather conditions.

Interested in more climate information?

We have much more information about the climate in Ontario.

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

Need travel inspiration? Check out our bucket list articles and be inspired.